Company EMP Particles 74,86 Grain size means 0,194 mm
Well A Other 0,00 Grain size range 0,109 – 0,572 mm
Sample type Core Detrital Matrix 3,30 Sorting Well sorted
Depth (ft) 5315,50 Replacement 1,30 Roundness Angular – subangular
Formation Lower Sihapas Cements 15,20 Grain contacts Suture > long
Rock Name Sandstone Visibles pores 5,34 Structure -
Total (%) 100,00 Classification Sublitharenite (Pettijohn, 1975)
GRAIN COMPOSITION % GRAIN COMPOSITION
(Continued) % MATRIX %
Monocryst. Quartz Carbonate grains Detrital clays 1,10
Straight extinction 2,10 Clastic Lime, Bio, Physico Ch. 0,00 Carbonate mud 2,20
Undolose extiction 64,90 Intraclasts 0,00 Volcanic glass 0,00
Reworked 1,27 Algal Stromatolites 0,00
CEMENTS %
Pellets 0,00
Feldspars Oolites 0,00 Indeterminate clays 0,00
Potash Feldspars 2,05 Pisolites 0,00 Dolomite 8,90
Plagioclase 1,34 Ooids 0,00 Calcite 1,70
Micrite 1,20
Rock Fragments Siderite 0,00
Igneous Skeletal grains 0,00 Pyrite 1,10
(acid) 1,10 Red algae 0,00 Kaolinite 0,60
(basic) 0,00 Green algae 0,00 Illite 0,00
Metamorphic Blue green algae 0,00 Quartz overgrowth 1,70
Polycrystalin qz 0,70 Arenaceous forams 0,00 Ferroan oxide 0,00
Low grade 0,30 Planktonic forams 0,00
REPLACEMENT %
Med grade 0,00 Small bent. Forams 0,00
High grade 0,00 Large Forams 0,00 Calcite 0,00
Sed. Rock fragments Milliolids 0,00 Micrite 0,00
Claystone 0,00 Oncolites 0,00 siderite 0,00
siltstone 0,00 Phylloid alga 0,00 Dolomite 0,00
Pyroclastic 0,00 Grapitolites 0,00 Pyrite 1,30
Chert 0,00 Corals 0,00 Kaolinite 0,00
Silisified grain 0,00 Bryozoan 0,00 Zeolite 0,00
Accessory minerals Echinoderms 0,00 Indeterminate clays 0,00
Glauconite 1,40 Brachiopods 0,00 Chlorite 0,00
Carbonaceous mat. 0,00 Molluscs 0,00 Silica 0,00
Micas 0,70 Gastropods 0,00
POROSITY %
Heavy minerals 0,00 Sponge 0,00
Opaque minerals 0,00 Indeterminate bioclasts 0,00 Intergranular 1,13
Altered grain 0,00 Intragranular 0,00
OTHERS % Fracture 1,86
Micropore 0,00
Pseudomatrix Mouldic 0,00
Car. Sideritic lam. Clays 0,00 Micro intercrystalin 0,00
Company EMP Particles 68,20 Grain size means 0,239 mm
Well A Other 0,00 Grain size range 0,125 – 0,537 mm
Sample type Core Detrital Matrix 3,50 Sorting Moderately – well sorted
Depth (ft) 5319,50 Replacement 6,70 Roundness Angular – subangular
Formation Lower Sihapas Cements 11,40 Grain contacts Point - suture
Rock Name Sandstone Visibles pores 10,20 Structure -
Total (%) 100,00 Classification Sublitharenite (Pettijohn, 1975)
GRAIN COMPOSITION % GRAIN COMPOSITION
(Continued) % MATRIX %
Monocryst. Quartz Carbonate grains Detrital clays 1,40
Straight extinction 0,90 Clastic Lime, Bio, Physico Ch. 0,00 Carbonate mud 2,10
Undolose extiction 58,40 Intraclasts 0,00 Volcanic glass 0,00
Reworked 0,30 Algal Stromatolites 0,00
CEMENTS %
Pellets 0,00
Feldspars Oolites 0,00 Indeterminate clays 0,00
Potash Feldspars 2,10 Pisolites 0,00 Dolomite 5,80
Plagioclase 1,50 Ooids 0,00 Calcite 1,40
Micrite 1,20
Rock Fragments Siderite 0,00
Igneous Skeletal grains 0,00 Pyrite 1,10
(acid) 1,70 Red algae 0,00 Kaolinite 0,00
(basic) 0,00 Green algae 0,00 Illite 0,00
Metamorphic Blue green algae 0,00 Quartz overgrowth 1,90
Polycrystalin qz 0,00 Arenaceous forams 0,00 Ferroan oxide 0,00
Low grade 1,30 Planktonic forams 0,00
REPLACEMENT %
Med grade 0,00 Small bent. Forams 0,00
High grade 0,00 Large Forams 0,00 Calcite 2,90
Sed. Rock fragments Milliolids 0,00 Micrite 0,70
Claystone 0,00 Oncolites 0,00 siderite 0,00
siltstone 0,00 Phylloid alga 0,00 Dolomite 0,00
Pyroclastic 0,00 Grapitolites 0,00 Pyrite 0,60
Chert 0,00 Corals 0,00 Kaolinite 2,50
Silisified grain 0,00 Bryozoan 0,00 Zeolite 0,00
Accessory minerals Echinoderms 0,00 Indeterminate clays 0,00
Glauconite 1,20 Brachiopods 0,00 Chlorite 0,00
Carbonaceous mat. 0,00 Molluscs 0,00 Silica 0,00
Micas 0,80 Gastropods 0,00
POROSITY %
Heavy minerals 0,00 Sponge 0,00
Opaque minerals 0,00 Indeterminate bioclasts 0,00 Intergranular 2,90
Altered grain 0,00 Intragranular 0,00
OTHERS % Fracture 0,00
Micropore 0,00
Pseudomatrix Mouldic 1,90
Car. Sideritic lam. Clays 0,00 Micro intercrystalin 0,00
Carbon streak 0,00 Dissolution 5,40
Company EMP Particles 69,30 Grain size means 0,203 mm
Well A Other 0,00 Grain size range 0,294 – 0,539 mm
Sample type Core Detrital Matrix 4,20 Sorting Well sorted
Depth (ft) 5322,00 Replacement 6,80 Roundness Angular – subrounded
Formation Lower Sihapas Cements 9,20 Grain contacts Point – long
Rock Name Sandstone Visibles pores 10,50 Structure -
Total (%) 100,00 Classification Sublitharenite (Pettijohn, 1975)
GRAIN COMPOSITION % GRAIN COMPOSITION
(Continued) % MATRIX %
Monocryst. Quartz Carbonate grains Detrital clays 3,10
Straight extinction 1,70 Clastic Lime, Bio, Physico Ch. 0,00 Carbonate mud 1,10
Undolose extiction 59,70 Intraclasts 0,00 Volcanic glass 0,00
Reworked 0,50 Algal Stromatolites 0,00
CEMENTS %
Pellets 0,00
Feldspars Oolites 0,00 Indeterminate clays 0,00
Potash Feldspars 2,10 Pisolites 0,00 Dolomite 4,70
Plagioclase 1,30 Ooids 0,00 Calcite 1,20
Micrite 1,30
Rock Fragments Siderite 0,00
Igneous Skeletal grains 0,00 Pyrite 0,90
(acid) 1,10 Red algae 0,00 Kaolinite 0,60
(basic) 0,00 Green algae 0,00 Illite 0,00
Metamorphic Blue green algae 0,00 Quartz overgrowth 1,10
Polycrystalin qz 0,00 Arenaceous forams 0,00 Ferroan oxide 0,00
Low grade 0,90 Planktonic forams 0,00
REPLACEMENT %
Med grade 0,00 Small bent. Forams 0,00
High grade 0,00 Large Forams 0,00 Calcite 0,70
Sed. Rock fragments Milliolids 0,00 Micrite 0,50
Claystone 0,00 Oncolites 0,00 siderite 0,00
siltstone 0,00 Phylloid alga 0,00 Dolomite 0,20
Pyroclastic 0,00 Grapitolites 0,00 Pyrite 1,10
Chert 0,00 Corals 0,00 Kaolinite 4,30
Silisified grain 0,00 Bryozoan 0,00 Zeolite 0,00
Accessory minerals Echinoderms 0,00 Indeterminate clays 0,00
Glauconite 0,00 Brachiopods 0,00 Chlorite 0,00
Carbonaceous mat. 0,00 Molluscs 0,00 Silica 0,00
Micas 2,00 Gastropods 0,00
POROSITY %
Heavy minerals 0,00 Sponge 0,00
Opaque minerals 0,00 Indeterminate bioclasts 0,00 Intergranular 4,30
Altered grain 0,00 Intragranular 0,00
OTHERS % Fracture 0,00
Micropore 0,00
Pseudomatrix Mouldic 1,50
Car. Sideritic lam. Clays 0,00 Micro intercrystalin 0,00
Company EMP Particles 49,50 Grain size means 0,214 mm
Well A Other 0,00 Grain size range 0,193 – 0,592 mm
Sample type Core Detrital Matrix 4,00 Sorting Well – moderately sorted
Depth (ft) 5326,00 Replacement 14,30 Roundness Angular – subrounded
Formation Lower Sihapas Cements 18,90 Grain contacts Suture – long
Rock Name Sandstone Visibles pores 13,30 Structure -
Total (%) 100,00 Classification Subarkose (Pettijohn, 1975)
GRAIN COMPOSITION % GRAIN COMPOSITION
(Continued) % MATRIX %
Monocryst. Quartz Carbonate grains Detrital clays 2,10
Straight extinction 1,50 Clastic Lime, Bio, Physico Ch. 0,00 Carbonate mud 1,90
Undolose extiction 39,50 Intraclasts 0,00 Volcanic glass 0,00
Reworked 0,30 Algal Stromatolites 0,00
CEMENTS %
Pellets 0,00
Feldspars Oolites 0,00 Indeterminate clays 0,00
Potash Feldspars 2,70 Pisolites 0,00 Dolomite 6,20
Plagioclase 1,80 Ooids 0,00 Calcite 1,50
Micrite 2,20
Rock Fragments Siderite 0,00
Igneous Skeletal grains 0,00 Pyrite 0,70
(acid) 0,90 Red algae 0,00 Kaolinite 3,70
(basic) 0,00 Green algae 0,00 Illite 2,30
Metamorphic Blue green algae 0,00 Quartz overgrowth 2,30
Polycrystalin qz 0,00 Arenaceous forams 0,00 Ferroan oxide 0,00
Low grade 0,20 Planktonic forams 0,00
REPLACEMENT %
Med grade 0,00 Small bent. Forams 0,00
High grade 0,00 Large Forams 0,00 Calcite 2,10
Sed. Rock fragments Milliolids 0,00 Micrite 1,30
Claystone 0,00 Oncolites 0,00 siderite 0,00
siltstone 0,00 Phylloid alga 0,00 Dolomite 2,70
Pyroclastic 0,00 Grapitolites 0,00 Pyrite 2,90
Chert 0,00 Corals 0,00 Kaolinite 5,30
Silisified grain 0,00 Bryozoan 0,00 Zeolite 0,00
Accessory minerals Echinoderms 0,00 Indeterminate clays 0,00
Glauconite 0,70 Brachiopods 0,00 Chlorite 0,00
Carbonaceous mat. 0,00 Molluscs 0,00 Silica 0,00
Micas 1,90 Gastropods 0,00
POROSITY %
Heavy minerals 0,00 Sponge 0,00
Opaque minerals 0,00 Indeterminate bioclasts 0,00 Intergranular 2,10
Altered grain 0,00 Intragranular 1,20
OTHERS % Fracture 0,00
Micropore 0,00
Pseudomatrix Mouldic 3,70
Car. Sideritic lam. Clays 0,00 Micro intercrystalin 0,00
Carbon streak 0,00 Dissolution 6,30
Company EMP Particles 34,50 Grain size means 0,243 mm
Well A Other 0,00 Grain size range 0,132 – 0,697 mm
Sample type Core Detrital Matrix 4,60 Sorting Moderately
Depth (ft) 5330,10 Replacement 17,40 Roundness Angular – subrounded
Formation Lower Sihapas Cements 32,50 Grain contacts Suture – long
Rock Name Sandstone Visibles pores 11,00 Structure -
Total (%) 100,00 Classification Subarkose (Pettijohn, 1975)
GRAIN COMPOSITION % GRAIN COMPOSITION
(Continued) % MATRIX %
Monocryst. Quartz Carbonate grains Detrital clays 2,10
Straight extinction 1,20 Clastic Lime, Bio, Physico Ch. 0,00 Carbonate mud 2,50
Undolose extiction 26,10 Intraclasts 0,00 Volcanic glass 0,00
Reworked 0,20 Algal Stromatolites 0,00
CEMENTS %
Pellets 0,00
Feldspars Oolites 0,00 Indeterminate clays 0,00
Potash Feldspars 2,10 Pisolites 0,00 Dolomite 18,50
Plagioclase 1,70 Ooids 0,00 Calcite 2,10
Micrite 1,10
Rock Fragments Siderite 0,00
Igneous Skeletal grains 0,00 Pyrite 4,60
(acid) 1,10 Red algae 0,00 Kaolinite 4,40
(basic) 0,00 Green algae 0,00 Illite 0,00
Metamorphic Blue green algae 0,00 Quartz overgrowth 1,80
Polycrystalin qz 0,00 Arenaceous forams 0,00 Ferroan oxide 0,00
Low grade 0,70 Planktonic forams 0,00
REPLACEMENT %
Med grade 0,00 Small bent. Forams 0,00
High grade 0,00 Large Forams 0,00 Calcite 5,50
Sed. Rock fragments Milliolids 0,00 Micrite 2,70
Claystone 0,00 Oncolites 0,00 siderite 0,00
siltstone 0,00 Phylloid alga 0,00 Dolomite 4,70
Pyroclastic 0,00 Grapitolites 0,00 Pyrite 1,90
Chert 0,00 Corals 0,00 Kaolinite 0,90
Silisified grain 0,00 Bryozoan 0,00 Zeolite 0,00
Accessory minerals Echinoderms 0,00 Indeterminate clays 0,00
Glauconite 0,20 Brachiopods 0,00 Chlorite 0,00
Carbonaceous mat. 0,00 Molluscs 0,00 Silica 1,70
Micas 1,20 Gastropods 0,00
POROSITY %
Heavy minerals 0,00 Sponge 0,00
Opaque minerals 0,00 Indeterminate bioclasts 0,00 Intergranular 1,80
Altered grain 0,00 Intragranular 0,00
OTHERS % Fracture 0,00
Micropore 0,00
Pseudomatrix Mouldic 2,90
Car. Sideritic lam. Clays 0,00 Micro intercrystalin 0,00
Company EMP Particles 44,80 Grain size means 0,198 mm
Well A Other 0,00 Grain size range 0,134 – 0,543 mm
Sample type Core Detrital Matrix 2,70 Sorting Moderately sorted
Depth (ft) 5334,15 Replacement 18,10 Roundness Subangular < subrounded
Formation Lower Sihapas Cements 25,80 Grain contacts Suture – long
Rock Name Sandstone Visibles pores 8,60 Structure -
Total (%) 100,00 Classification Sublitharenite (Pettijohn, 1975)
GRAIN COMPOSITION % GRAIN COMPOSITION
(Continued) % MATRIX %
Monocryst. Quartz Carbonate grains Detrital clays 1,50
Straight extinction 3,90 Clastic Lime, Bio, Physico Ch. 0,00 Carbonate mud 1,20
Undolose extiction 33,20 Intraclasts 0,00 Volcanic glass 0,00
Reworked 1,50 Algal Stromatolites 0,00
CEMENTS %
Pellets 0,00
Feldspars Oolites 0,00 Indeterminate clays 0,00
Potash Feldspars 1,20 Pisolites 0,00 Dolomite 13,70
Plagioclase 0,90 Ooids 0,00 Calcite 1,70
Micrite 1,10
Rock Fragments Siderite 0,00
Igneous Skeletal grains 0,00 Pyrite 1,20
(acid) 0,90 Red algae 0,00 Kaolinite 3,60
(basic) 0,00 Green algae 0,00 Illite 3,40
Metamorphic Blue green algae 0,00 Quartz overgrowth 1,10
Polycrystalin qz 0,00 Arenaceous forams 0,00 Ferroan oxide 0,00
Low grade 0,90 Planktonic forams 0,00
REPLACEMENT %
Med grade 0,00 Small bent. Forams 0,00
High grade 0,00 Large Forams 0,00 Calcite 1,40
Sed. Rock fragments Milliolids 0,00 Micrite 1,30
Claystone 0,00 Oncolites 0,00 siderite 0,00
siltstone 0,00 Phylloid alga 0,00 Dolomite 3,30
Pyroclastic 0,00 Grapitolites 0,00 Pyrite 0,90
Chert 0,00 Corals 0,00 Kaolinite 11,20
Silisified grain 0,00 Bryozoan 0,00 Zeolite 0,00
Accessory minerals Echinoderms 0,00 Indeterminate clays 0,00
Glauconite 1,20 Brachiopods 0,00 Chlorite 0,00
Carbonaceous mat. 0,00 Molluscs 0,00 Silica 0,00
Micas 1,10 Gastropods 0,00
POROSITY %
Heavy minerals 0,00 Sponge 0,00
Opaque minerals 0,00 Indeterminate bioclasts 0,00 Intergranular 2,30
Altered grain 0,00 Intragranular 0,00
OTHERS % Fracture 1,20
Micropore 0,00
Pseudomatrix Mouldic 1,90
Car. Sideritic lam. Clays 0,00 Micro intercrystalin 0,00
Carbon streak 0,00 Dissolution 3,20
Company EMP Particles 63,80 Grain size means 0,314 mm
Well A Other 0,00 Grain size range 0,235 – 0,723 mm
Sample type Core Detrital Matrix 3,70 Sorting Moderately
Depth (ft) 5339,55 Replacement 5,40 Roundness Subangular – rounded
Formation Lower Sihapas Cements 10,40 Grain contacts Suture - long
Rock Name Sandstone Visibles pores 16,70 Structure -
Total (%) 100,00 Classification Sublitharenite (Pettijohn, 1975)
GRAIN COMPOSITION % GRAIN COMPOSITION
(Continued) % MATRIX %
Monocryst. Quartz Carbonate grains Detrital clays 1,10
Straight extinction 5,00 Clastic Lime, Bio, Physico Ch. 0,00 Carbonate mud 1,70
Undolose extiction 44,60 Intraclasts 0,00 Volcanic glass 0,90
Reworked 2,30 Algal Stromatolites 0,00
CEMENTS %
Pellets 0,00
Feldspars Oolites 0,00 Indeterminate clays 1,40
Potash Feldspars 1,90 Pisolites 0,00 Dolomite 0,00
Plagioclase 0,70 Ooids 0,00 Calcite 2,90
Micrite 1,80
Rock Fragments Siderite 0,00
Igneous Skeletal grains 0,00 Pyrite 0,00
(acid) 3,20 Red algae 0,00 Kaolinite 0,20
(basic) 0,00 Green algae 0,00 Illite 1,80
Metamorphic Blue green algae 0,00 Quartz overgrowth 2,30
Polycrystalin qz 0,30 Arenaceous forams 0,00 Ferroan oxide 0,00
Low grade 1,70 Planktonic forams 0,00
REPLACEMENT %
Med grade 0,00 Small bent. Forams 0,00
High grade 0,00 Large Forams 0,00 Calcite 0,70
Sed. Rock fragments Milliolids 0,00 Micrite 0,40
Claystone 0,00 Oncolites 0,00 siderite 0,00
siltstone 0,00 Phylloid alga 0,00 Dolomite 0,00
Pyroclastic 0,00 Grapitolites 0,00 Pyrite 0,00
Chert 0,00 Corals 0,00 Kaolinite 4,30
Silisified grain 0,00 Bryozoan 0,00 Zeolite 0,00
Accessory minerals Echinoderms 0,00 Indeterminate clays 0,00
Glauconite 2,30 Brachiopods 0,00 Chlorite 0,00
Carbonaceous mat. 0,00 Molluscs 0,00 Silica 0,00
Micas 1,80 Gastropods 0,00
POROSITY %
Heavy minerals 0,00 Sponge 0,00
Opaque minerals 0,00 Indeterminate bioclasts 0,00 Intergranular 10,70
Altered grain 0,00 Intragranular 0,00
OTHERS % Fracture 0,00
Micropore 0,00
Pseudomatrix Mouldic 1,20
Car. Sideritic lam. Clays 0,00 Micro intercrystalin 0,00
Company EMP Particles 50,10 Grain size means 0,475 mm
Well A Other 0,00 Grain size range 0,435 – 1,02 mm
Sample type Core Detrital Matrix 3,70 Sorting Well – moderately
Depth (ft) 5342,20 Replacement 12,20 Roundness Angular – subrounded
Formation Lower Sihapas Cements 25,20 Grain contacts Suture – concav convex
Rock Name Sandstone Visibles pores 8,80 Structure -
Total (%) 100,00 Classification Sublitharenite (Pettijohn, 1975)
GRAIN COMPOSITION % GRAIN COMPOSITION
(Continued) % MATRIX %
Monocryst. Quartz Carbonate grains Detrital clays 1,20
Straight extinction 6,10 Clastic Lime, Bio, Physico Ch. 0,00 Carbonate mud 1,10
Undolose extiction 36,20 Intraclasts 0,00 Volcanic glass 1,40
Reworked 0,30 Algal Stromatolites 0,00
CEMENTS %
Pellets 0,00
Feldspars Oolites 0,00 Indeterminate clays 2,50
Potash Feldspars 1,20 Pisolites 0,00 Dolomite 0,00
Plagioclase 1,10 Ooids 0,00 Calcite 1,30
Micrite 2,70
Rock Fragments Siderite 0,00
Igneous Skeletal grains 0,00 Pyrite 0,90
(acid) 0,90 Red algae 0,00 Kaolinite 4,60
(basic) 1,70 Green algae 0,00 Illite 7,30
Metamorphic Blue green algae 0,00 Quartz overgrowth 5,90
Polycrystalin qz 0,70 Arenaceous forams 0,00 Ferroan oxide 0,00
Low grade 0,20 Planktonic forams 0,00
REPLACEMENT %
Med grade 0,00 Small bent. Forams 0,00
High grade 0,00 Large Forams 0,00 Calcite 1,30
Sed. Rock fragments Milliolids 0,00 Micrite 3,70
Claystone 0,00 Oncolites 0,00 siderite 0,00
siltstone 0,00 Phylloid alga 0,00 Dolomite 0,00
Pyroclastic 0,00 Grapitolites 0,00 Pyrite 2,60
Chert 0,00 Corals 0,00 Kaolinite 4,60
Silisified grain 0,00 Bryozoan 0,00 Zeolite 0,00
Accessory minerals Echinoderms 0,00 Indeterminate clays 0,00
Glauconite 1,70 Brachiopods 0,00 Chlorite 0,00
Carbonaceous mat. 0,00 Molluscs 0,00 Silica 0,00
Micas 0,00 Gastropods 0,00
POROSITY %
Heavy minerals 0,00 Sponge 0,00
Opaque minerals 0,00 Indeterminate bioclasts 0,00 Intergranular 1,30
Altered grain 0,00 Intragranular 0,00
OTHERS % Fracture 0,80
Micropore 0,00
Pseudomatrix Mouldic 0,00
Car. Sideritic lam. Clays 0,00 Micro intercrystalin 0,00
Carbon streak 0,00 Dissolution 6,70
Company EMP Particles 61,90 Grain size means 0,357 mm
Well A Other 0,00 Grain size range 0,274 – 0,623 mm
Sample type Core Detrital Matrix 5,70 Sorting Well sorted
Depth (ft) 5349,90 Replacement 9,00 Roundness Angular – subrounded
Formation Lower Sihapas Cements 13,80 Grain contacts Suture – concav convex
Rock Name Sandstone Visibles pores 9,60 Structure -
Total (%) 100,00 Classification Sublitharenite (Pettijohn, 1975)
GRAIN COMPOSITION % GRAIN COMPOSITION
(Continued) % MATRIX %
Monocryst. Quartz Carbonate grains Detrital clays 1,50
Straight extinction 3,80 Clastic Lime, Bio, Physico Ch. 0,00 Carbonate mud 1,70
Undolose extiction 39,20 Intraclasts 0,00 Volcanic glass 2,50
Reworked 2,10 Algal Stromatolites 0,00
CEMENTS %
Pellets 0,00
Feldspars Oolites 0,00 Indeterminate clays 0,00
Potash Feldspars 2,30 Pisolites 0,00 Dolomite 0,00
Plagioclase 1,10 Ooids 0,00 Calcite 1,80
Micrite 1,60
Rock Fragments Siderite 0,00
Igneous Skeletal grains 0,00 Pyrite 0,70
(acid) 1,30 Red algae 0,00 Kaolinite 1,80
(basic) 1,10 Green algae 0,00 Illite 3,20
Metamorphic Blue green algae 0,00 Quartz overgrowth 4,70
Polycrystalin qz 2,10 Arenaceous forams 0,00 Ferroan oxide 0,00
Low grade 0,30 Planktonic forams 0,00
REPLACEMENT %
Med grade 0,00 Small bent. Forams 0,00
High grade 0,00 Large Forams 0,00 Calcite 1,40
Sed. Rock fragments Milliolids 0,00 Micrite 1,20
Claystone 0,00 Oncolites 0,00 siderite 0,00
siltstone 0,00 Phylloid alga 0,00 Dolomite 0,00
Pyroclastic 0,00 Grapitolites 0,00 Pyrite 1,80
Chert 0,00 Corals 0,00 Kaolinite 4,60
Silisified grain 0,00 Bryozoan 0,00 Zeolite 0,00
Accessory minerals Echinoderms 0,00 Indeterminate clays 0,00
Glauconite 6,20 Brachiopods 0,00 Chlorite 0,00
Carbonaceous mat. 0,00 Molluscs 0,00 Silica 0,00
Micas 2,70 Gastropods 0,00
POROSITY %
Heavy minerals 0,00 Sponge 0,00
Opaque minerals 0,00 Indeterminate bioclasts 0,00 Intergranular 3,50
Altered grain 0,00 Intragranular 0,50
OTHERS % Fracture 0,00
Micropore 0,00
Pseudomatrix Mouldic 1,70
Car. Sideritic lam. Clays 0,00 Micro intercrystalin 0,00
Company EMP Particles 67,80 Grain size means 0,183 mm
Well A Other 0,00 Grain size range 0,093 – 0,412 mm
Sample type Core Detrital Matrix 2,80 Sorting Well sorted
Depth (ft) 5350,45 Replacement 9,10 Roundness Subangular – subrounded
Formation Lower Sihapas Cements 6,40 Grain contacts Suture – long
Rock Name Sandstone Visibles pores 13,90 Structure -
Total (%) 100,00 Classification Sublitharenite (Pettijohn, 1975)
GRAIN COMPOSITION % GRAIN COMPOSITION
(Continued) % MATRIX %
Monocryst. Quartz Carbonate grains Detrital clays 1,20
Straight extinction 1,20 Clastic Lime, Bio, Physico Ch. 0,00 Carbonate mud 1,60
Undolose extiction 48,60 Intraclasts 0,00 Volcanic glass 0,00
Reworked 1,30 Algal Stromatolites 0,00
CEMENTS %
Pellets 0,00
Feldspars Oolites 0,00 Indeterminate clays 0,00
Potash Feldspars 3,10 Pisolites 0,00 Dolomite 0,00
Plagioclase 1,10 Ooids 0,00 Calcite 2,10
Micrite 1,90
Rock Fragments Siderite 0,00
Igneous Skeletal grains 0,00 Pyrite 1,20
(acid) 1,90 Red algae 0,00 Kaolinite 0,00
(basic) 1,80 Green algae 0,00 Illite 0,00
Metamorphic Blue green algae 0,00 Quartz overgrowth 1,20
Polycrystalin qz 1,70 Arenaceous forams 0,00 Ferroan oxide 0,00
Low grade 0,00 Planktonic forams 0,00
REPLACEMENT %
Med grade 0,00 Small bent. Forams 0,00
High grade 0,00 Large Forams 0,00 Calcite 1,20
Sed. Rock fragments Milliolids 0,00 Micrite 1,10
Claystone 0,00 Oncolites 0,00 siderite 0,00
siltstone 0,00 Phylloid alga 0,00 Dolomite 0,00
Pyroclastic 0,00 Grapitolites 0,00 Pyrite 2,20
Chert 0,00 Corals 0,00 Kaolinite 4,60
Silisified grain 0,00 Bryozoan 0,00 Zeolite 0,00
Accessory minerals Echinoderms 0,00 Indeterminate clays 0,00
Glauconite 4,80 Brachiopods 0,00 Chlorite 0,00
Carbonaceous mat. 0,00 Molluscs 0,00 Silica 0,00
Micas 2,30 Gastropods 0,00
POROSITY %
Heavy minerals 0,00 Sponge 0,00
Opaque minerals 0,00 Indeterminate bioclasts 0,00 Intergranular 8,30
Altered grain 0,00 Intragranular 0,00
OTHERS % Fracture 0,00
Micropore 0,00
Pseudomatrix Mouldic 1,70
Car. Sideritic lam. Clays 0,00 Micro intercrystalin 0,00
Carbon streak 0,00 Dissolution 3,90
Company EMP Particles 52,70 Grain size means 0,206 mm
Well A Other 0,00 Grain size range 0,103 – 0,427 mm
Sample type Core Detrital Matrix 5,80 Sorting Poorly – moderately
Depth (ft) 5367,00 Replacement 25,10 Roundness Angular – subrounded
Formation Lower Sihapas Cements 10,10 Grain contacts Point – suture, point >>
Rock Name Sandstone Visibles pores 6,30 Structure -
Total (%) 100,00 Classification Sublitharenite (Pettijohn, 1975)
GRAIN COMPOSITION % GRAIN COMPOSITION
(Continued) % MATRIX %
Monocryst. Quartz Carbonate grains Detrital clays 2,00
Straight extinction 1,30 Clastic Lime, Bio, Physico Ch. 0,00 Carbonate mud 1,70
Undolose extiction 38,90 Intraclasts 0,00 Volcanic glass 2,10
Reworked 0,00 Algal Stromatolites 0,00
CEMENTS %
Pellets 0,00
Feldspars Oolites 0,00 Indeterminate clays 3,20
Potash Feldspars 3,20 Pisolites 0,00 Dolomite 0,00
Plagioclase 1,10 Ooids 0,00 Calcite 1,10
Micrite 1,80
Rock Fragments Siderite 0,00
Igneous Skeletal grains 0,00 Pyrite 0,40
(acid) 0,00 Red algae 0,00 Kaolinite 2,20
(basic) 0,90 Green algae 0,00 Illite 0,80
Metamorphic Blue green algae 0,00 Quartz overgrowth 0,60
Polycrystalin qz 1,80 Arenaceous forams 0,00 Ferroan oxide 0,00
Low grade 0,00 Planktonic forams 0,00
REPLACEMENT %
Med grade 0,00 Small bent. Forams 0,00
High grade 0,00 Large Forams 0,00 Calcite 0,90
Sed. Rock fragments Milliolids 0,00 Micrite 1,20
Claystone 0,00 Oncolites 0,00 siderite 0,00
siltstone 0,00 Phylloid alga 0,00 Dolomite 0,00
Pyroclastic 0,00 Grapitolites 0,00 Pyrite 0,70
Chert 0,00 Corals 0,00 Kaolinite 22,30
Silisified grain 0,00 Bryozoan 0,00 Zeolite 0,00
Accessory minerals Echinoderms 0,00 Indeterminate clays 0,00
Glauconite 3,40 Brachiopods 0,00 Chlorite 0,00
Carbonaceous mat. 0,00 Molluscs 0,00 Silica 0,00
Micas 2,10 Gastropods 0,00
POROSITY %
Heavy minerals 0,00 Sponge 0,00
Opaque minerals 0,00 Indeterminate bioclasts 0,00 Intergranular 3,40
Altered grain 0,00 Intragranular 0,00
OTHERS % Fracture 0,00
Micropore 0,00
Pseudomatrix Mouldic 0,00
Car. Sideritic lam. Clays 0,00 Micro intercrystalin 0,00
Company EMP Particles 66,80 Grain size means 0,205 mm
Well A Other 0,00 Grain size range 0,178 – 0,653 mm
Sample type Core Detrital Matrix 2,70 Sorting Moderately – well sorted
Depth (ft) 5370,25 Replacement 8,80 Roundness Subangular – subrounded
Formation Lower Sihapas Cements 13,60 Grain contacts Long – suture
Rock Name Sandstone Visibles pores 8,10 Structure -
Total (%) 100,00 Classification Sublitharenite (Pettijohn, 1975)
GRAIN COMPOSITION % GRAIN COMPOSITION
(Continued) % MATRIX %
Monocryst. Quartz Carbonate grains Detrital clays 1,40
Straight extinction 2,40 Clastic Lime, Bio, Physico Ch. 0,00 Carbonate mud 1,30
Undolose extiction 51,10 Intraclasts 0,00 Volcanic glass 0,00
Reworked 1,50 Algal Stromatolites 0,00
CEMENTS %
Pellets 0,00
Feldspars Oolites 0,00 Indeterminate clays 2,40
Potash Feldspars 1,70 Pisolites 0,00 Dolomite 0,00
Plagioclase 1,60 Ooids 0,00 Calcite 1,10
Micrite 1,30
Rock Fragments Siderite 0,00
Igneous Skeletal grains 0,00 Pyrite 0,70
(acid) 0,90 Red algae 0,00 Kaolinite 4,30
(basic) 0,50 Green algae 0,00 Illite 1,70
Metamorphic Blue green algae 0,00 Quartz overgrowth 2,10
Polycrystalin qz 1,30 Arenaceous forams 0,00 Ferroan oxide 0,00
Low grade 0,70 Planktonic forams 0,00
REPLACEMENT %
Med grade 0,00 Small bent. Forams 0,00
High grade 0,00 Large Forams 0,00 Calcite 1,30
Sed. Rock fragments Milliolids 0,00 Micrite 4,10
Claystone 0,00 Oncolites 0,00 siderite 0,00
siltstone 0,00 Phylloid alga 0,00 Dolomite 0,00
Pyroclastic 0,00 Grapitolites 0,00 Pyrite 1,10
Chert 0,00 Corals 0,00 Kaolinite 2,30
Silisified grain 0,00 Bryozoan 0,00 Zeolite 0,00
Accessory minerals Echinoderms 0,00 Indeterminate clays 0,00
Glauconite 2,20 Brachiopods 0,00 Chlorite 0,00
Carbonaceous mat. 0,00 Molluscs 0,00 Silica 0,00
Micas 2,90 Gastropods 0,00
POROSITY %
Heavy minerals 0,00 Sponge 0,00
Opaque minerals 0,00 Indeterminate bioclasts 0,00 Intergranular 3,30
Altered grain 0,00 Intragranular 0,00
OTHERS % Fracture 0,00
Micropore 0,00
Pseudomatrix Mouldic 1,50
Car. Sideritic lam. Clays 0,00 Micro intercrystalin 0,00
Carbon streak 0,00 Dissolution 3,30
Company EMP Particles 62,40 Grain size means 0,237 mm
Well A Other 0,00 Grain size range 0,193 – 0,497 mm
Sample type Core Detrital Matrix 2,60 Sorting Moderately – poorly sorted
Depth (ft) 5372,10 Replacement 12,00 Roundness Angular – subrounded
Formation Lower Sihapas Cements 13,00 Grain contacts Suture – long
Rock Name Sandstone Visibles pores 10,00 Structure -
Total (%) 100,00 Classification Sublitharenite (Pettijohn, 1975)
GRAIN COMPOSITION % GRAIN COMPOSITION
(Continued) % MATRIX %
Monocryst. Quartz Carbonate grains Detrital clays 1,40
Straight extinction 3,30 Clastic Lime, Bio, Physico Ch. 0,00 Carbonate mud 1,20
Undolose extiction 44,50 Intraclasts 0,00 Volcanic glass 0,00
Reworked 0,30 Algal Stromatolites 0,00
CEMENTS %
Pellets 0,00
Feldspars Oolites 0,00 Indeterminate clays 1,90
Potash Feldspars 1,90 Pisolites 0,00 Dolomite 0,00
Plagioclase 2,30 Ooids 0,00 Calcite 1,40
Micrite 1,20
Rock Fragments Siderite 0,00
Igneous Skeletal grains 0,00 Pyrite 0,40
(acid) 1,30 Red algae 0,00 Kaolinite 3,10
(basic) 1,60 Green algae 0,00 Illite 2,90
Metamorphic Blue green algae 0,00 Quartz overgrowth 2,10
Polycrystalin qz 1,40 Arenaceous forams 0,00 Ferroan oxide 0,00
Low grade 0,00 Planktonic forams 0,00
REPLACEMENT %
Med grade 0,00 Small bent. Forams 0,00
High grade 0,00 Large Forams 0,00 Calcite 1,20
Sed. Rock fragments Milliolids 0,00 Micrite 1,40
Claystone 0,00 Oncolites 0,00 siderite 0,00
siltstone 0,00 Phylloid alga 0,00 Dolomite 0,00
Pyroclastic 0,00 Grapitolites 0,00 Pyrite 1,10
Chert 0,00 Corals 0,00 Kaolinite 8,30
Silisified grain 0,00 Bryozoan 0,00 Zeolite 0,00
Accessory minerals Echinoderms 0,00 Indeterminate clays 0,00
Glauconite 4,30 Brachiopods 0,00 Chlorite 0,00
Carbonaceous mat. 0,00 Molluscs 0,00 Silica 0,00
Micas 1,50 Gastropods 0,00
POROSITY %
Heavy minerals 0,00 Sponge 0,00
Opaque minerals 0,00 Indeterminate bioclasts 0,00 Intergranular 2,40
Altered grain 0,00 Intragranular 1,10
OTHERS % Fracture 0,00
Micropore 0,00
Pseudomatrix Mouldic 1,10
Car. Sideritic lam. Clays 0,00 Micro intercrystalin 0,00
Company EMP Particles 71,10 Grain size means 0,267 mm
Well A Other 0,00 Grain size range 0,095 – 1,253 mm
Sample type Core Detrital Matrix 4,40 Sorting Well sorted
Depth (ft) 5375,30 Replacement 2,90 Roundness Subangular – rounded
Formation Lower Sihapas Cements 4,50 Grain contacts Long > suture
Rock Name Sandstone Visibles pores 17,10 Structure -
Total (%) 100,00 Classification Sublitharenite (Pettijohn, 1975)
GRAIN COMPOSITION % GRAIN COMPOSITION
(Continued) % MATRIX %
Monocryst. Quartz Carbonate grains Detrital clays 1,60
Straight extinction 1,30 Clastic Lime, Bio, Physico Ch. 0,00 Carbonate mud 1,40
Undolose extiction 55,10 Intraclasts 0,00 Volcanic glass 1,40
Reworked 2,10 Algal Stromatolites 0,00
CEMENTS %
Pellets 0,00
Feldspars Oolites 0,00 Indeterminate clays 0,00
Potash Feldspars 1,80 Pisolites 0,00 Dolomite 0,00
Plagioclase 1,50 Ooids 0,00 Calcite 1,10
Micrite 1,20
Rock Fragments Siderite 0,00
Igneous Skeletal grains 0,00 Pyrite 0,00
(acid) 1,70 Red algae 0,00 Kaolinite 0,00
(basic) 0,00 Green algae 0,00 Illite 0,00
Metamorphic Blue green algae 0,00 Quartz overgrowth 1,30
Polycrystalin qz 2,30 Arenaceous forams 0,00 Ferroan oxide 0,00
Low grade 0,00 Planktonic forams 0,00
REPLACEMENT %
Med grade 0,00 Small bent. Forams 0,00
High grade 0,00 Large Forams 0,00 Calcite 0,90
Sed. Rock fragments Milliolids 0,00 Micrite 1,10
Claystone 0,00 Oncolites 0,00 siderite 0,00
siltstone 0,00 Phylloid alga 0,00 Dolomite 0,00
Pyroclastic 0,00 Grapitolites 0,00 Pyrite 0,90
Chert 0,00 Corals 0,00 Kaolinite 0,00
Silisified grain 0,00 Bryozoan 0,00 Zeolite 0,00
Accessory minerals Echinoderms 0,00 Indeterminate clays 0,00
Glauconite 3,40 Brachiopods 0,00 Chlorite 0,00
Carbonaceous mat. 0,00 Molluscs 0,00 Silica 0,00
Micas 1,90 Gastropods 0,00
POROSITY %
Heavy minerals 0,00 Sponge 0,00
Opaque minerals 0,00 Indeterminate bioclasts 0,00 Intergranular 9,70
Altered grain 0,00 Intragranular 0,60
OTHERS % Fracture 0,00
Micropore 0,00
Pseudomatrix Mouldic 2,50
Car. Sideritic lam. Clays 0,00 Micro intercrystalin 0,00
Carbon streak 0,00 Dissolution 4,30
Company EMP Particles 68,60 Grain size means 0,269 mm
Well A Other 0,00 Grain size range 0,110 – 0,762 mm
Sample type Core Detrital Matrix 3,90 Sorting Poorly – moderately sorted
Depth (ft) 5381,00 Replacement 4,00 Roundness Subangular – subrounded
Formation Lower Sihapas Cements 4,50 Grain contacts Suture – concav convex
Rock Name Sandstone Visibles pores 19,00 Structure -
Total (%) 100,00 Classification Sublitharenite (Pettijohn, 1975)
GRAIN COMPOSITION % GRAIN COMPOSITION
(Continued) % MATRIX %
Monocryst. Quartz Carbonate grains Detrital clays 1,50
Straight extinction 2,30 Clastic Lime, Bio, Physico Ch. 0,00 Carbonate mud 1,10
Undolose extiction 53,20 Intraclasts 0,00 Volcanic glass 1,30
Reworked 0,90 Algal Stromatolites 0,00
CEMENTS %
Pellets 0,00
Feldspars Oolites 0,00 Indeterminate clays 0,00
Potash Feldspars 1,50 Pisolites 0,00 Dolomite 0,00
Plagioclase 1,70 Ooids 0,00 Calcite 1,30
Micrite 1,10
Rock Fragments Siderite 0,00
Igneous Skeletal grains 0,00 Pyrite 0,50
(acid) 0,50 Red algae 0,00 Kaolinite 0,00
(basic) 0,70 Green algae 0,00 Illite 0,00
Metamorphic Blue green algae 0,00 Quartz overgrowth 1,10
Polycrystalin qz 1,20 Arenaceous forams 0,00 Ferroan oxide 0,50
Low grade 0,00 Planktonic forams 0,00
REPLACEMENT %
Med grade 0,00 Small bent. Forams 0,00
High grade 0,00 Large Forams 0,00 Calcite 1,20
Sed. Rock fragments Milliolids 0,00 Micrite 1,50
Claystone 0,00 Oncolites 0,00 siderite 0,00
siltstone 0,00 Phylloid alga 0,00 Dolomite 0,00
Pyroclastic 0,00 Grapitolites 0,00 Pyrite 0,00
Chert 0,00 Corals 0,00 Kaolinite 1,30
Silisified grain 2,70 Bryozoan 0,00 Zeolite 0,00
Accessory minerals Echinoderms 0,00 Indeterminate clays 0,00
Glauconite 2,20 Brachiopods 0,00 Chlorite 0,00
Carbonaceous mat. 0,00 Molluscs 0,00 Silica 0,00
Micas 1,70 Gastropods 0,00
POROSITY %
Heavy minerals 0,00 Sponge 0,00
Opaque minerals 0,00 Indeterminate bioclasts 0,00 Intergranular 12,80
Altered grain 0,00 Intragranular 2,20
OTHERS % Fracture 0,00
Micropore 0,00
Pseudomatrix Mouldic 1,30
Car. Sideritic lam. Clays 0,00 Micro intercrystalin 0,00
Company EMP Particles 62,40 Grain size means 0,307 mm
Well A Other 0,00 Grain size range 0,125 – 0,823 mm
Sample type Core Detrital Matrix 6,50 Sorting Moderately
Depth (ft) 5387,20 Replacement 4,30 Roundness Subangular – rounded
Formation Lower Sihapas Cements 7,00 Grain contacts Long > concav convex
Rock Name Sandstone Visibles pores 19,80 Structure -
Total (%) 100,00 Classification Sublitharenite (Pettijohn, 1975)
GRAIN COMPOSITION % GRAIN COMPOSITION
(Continued) % MATRIX %
Monocryst. Quartz Carbonate grains Detrital clays 1,50
Straight extinction 1,70 Clastic Lime, Bio, Physico Ch. 0,00 Carbonate mud 1,20
Undolose extiction 46,30 Intraclasts 0,00 Volcanic glass 3,80
Reworked 0,90 Algal Stromatolites 0,00
CEMENTS %
Pellets 0,00
Feldspars Oolites 0,00 Indeterminate clays 0,00
Potash Feldspars 1,10 Pisolites 0,00 Dolomite 0,00
Plagioclase 1,30 Ooids 0,00 Calcite 1,20
Micrite 1,10
Rock Fragments Siderite 0,00
Igneous Skeletal grains 0,00 Pyrite 2,10
(acid) 0,00 Red algae 0,00 Kaolinite 0,00
(basic) 2,40 Green algae 0,00 Illite 0,00
Metamorphic Blue green algae 0,00 Quartz overgrowth 1,50
Polycrystalin qz 2,10 Arenaceous forams 0,00 Ferroan oxide 1,10
Low grade 1,30 Planktonic forams 0,00
REPLACEMENT %
Med grade 0,00 Small bent. Forams 0,00
High grade 0,00 Large Forams 0,00 Calcite 1,30
Sed. Rock fragments Milliolids 0,00 Micrite 1,50
Claystone 0,00 Oncolites 0,00 siderite 0,00
siltstone 0,00 Phylloid alga 0,00 Dolomite 0,00
Pyroclastic 0,00 Grapitolites 0,00 Pyrite 1,50
Chert 0,00 Corals 0,00 Kaolinite 0,00
Silisified grain 1,70 Bryozoan 0,00 Zeolite 0,00
Accessory minerals Echinoderms 0,00 Indeterminate clays 0,00
Glauconite 2,7- Brachiopods 0,00 Chlorite 0,00
Carbonaceous mat. 0,00 Molluscs 0,00 Silica 0,00
Micas 0,90 Gastropods 0,00
POROSITY %
Heavy minerals 0,00 Sponge 0,00
Opaque minerals 0,00 Indeterminate bioclasts 0,00 Intergranular 9,20
Altered grain 0,00 Intragranular 0,00
OTHERS % Fracture 0,00
Micropore 0,00
Pseudomatrix Mouldic 3,30
Car. Sideritic lam. Clays 0,00 Micro intercrystalin 0,00
Carbon streak 0,00 Dissolution 7,30
Company EMP Particles 62,80 Grain size means 0,297 mm
Well A Other 0,00 Grain size range 0,132 – 0,759 mm
Sample type Core Detrital Matrix 5,40 Sorting Moderately – well sorted
Depth (ft) 5391,10 Replacement 7,80 Roundness Subangular – rounded
Formation Lower Sihapas Cements 4,40 Grain contacts Long > concav convex
Rock Name Sandstone Visibles pores 19,60 Structure -
Total (%) 100,00 Classification Sublitharenite (Pettijohn, 1975)
GRAIN COMPOSITION % GRAIN COMPOSITION
(Continued) % MATRIX %
Monocryst. Quartz Carbonate grains Detrital clays 1,70
Straight extinction 2,40 Clastic Lime, Bio, Physico Ch. 0,00 Carbonate mud 1,20
Undolose extiction 48,30 Intraclasts 0,00 Volcanic glass 2,50
Reworked 0,90 Algal Stromatolites 0,00
CEMENTS %
Pellets 0,00
Feldspars Oolites 0,00 Indeterminate clays 0,00
Potash Feldspars 1,30 Pisolites 0,00 Dolomite 0,00
Plagioclase 1,50 Ooids 0,00 Calcite 1,60
Micrite 1,90
Rock Fragments Siderite 0,00
Igneous Skeletal grains 0,00 Pyrite 0,00
(acid) 0,00 Red algae 0,00 Kaolinite 0,00
(basic) 0,90 Green algae 0,00 Illite 0,00
Metamorphic Blue green algae 0,00 Quartz overgrowth 0,90
Polycrystalin qz 2,20 Arenaceous forams 0,00 Ferroan oxide 0,00
Low grade 0,50 Planktonic forams 0,00
REPLACEMENT %
Med grade 0,00 Small bent. Forams 0,00
High grade 0,00 Large Forams 0,00 Calcite 1,40
Sed. Rock fragments Milliolids 0,00 Micrite 2,20
Claystone 0,00 Oncolites 0,00 siderite 0,00
siltstone 0,00 Phylloid alga 0,00 Dolomite 0,00
Pyroclastic 0,00 Grapitolites 0,00 Pyrite 2,10
Chert 0,00 Corals 0,00 Kaolinite 2,10
Silisified grain 0,00 Bryozoan 0,00 Zeolite 0,00
Accessory minerals Echinoderms 0,00 Indeterminate clays 0,00
Glauconite 3,40 Brachiopods 0,00 Chlorite 0,00
Carbonaceous mat. 0,00 Molluscs 0,00 Silica 0,00
Micas 1,40 Gastropods 0,00
POROSITY %
Heavy minerals 0,00 Sponge 0,00
Opaque minerals 0,00 Indeterminate bioclasts 0,00 Intergranular 8,70
Altered grain 0,00 Intragranular 0,00
OTHERS % Fracture 0,00
Micropore 0,00
Pseudomatrix Mouldic 4,20
Car. Sideritic lam. Clays 0,00 Micro intercrystalin 0,00
Company EMP Particles 55,30 Grain size means 0,259 mm
Well A Other 0,00 Grain size range 0,011 – 0, 905 mm
Sample type Core Detrital Matrix 5,60 Sorting Poorly – moderately sorted
Depth (ft) 5395,15 Replacement 14,60 Roundness Anular – rounded
Formation Lower Sihapas Cements 6,90 Grain contacts Concav convex - floating
Rock Name Sandstone Visibles pores 17,60 Structure -
Total (%) 100,00 Classification Sublitharenite (Pettijohn, 1975)
GRAIN COMPOSITION % GRAIN COMPOSITION
(Continued) % MATRIX %
Monocryst. Quartz Carbonate grains Detrital clays 2,10
Straight extinction 1,10 Clastic Lime, Bio, Physico Ch. 0,00 Carbonate mud 1,30
Undolose extiction 38,20 Intraclasts 0,00 Volcanic glass 2,20
Reworked 1,10 Algal Stromatolites 0,00
CEMENTS %
Pellets 0,00
Feldspars Oolites 0,00 Indeterminate clays 0,00
Potash Feldspars 0,60 Pisolites 0,00 Dolomite 0,00
Plagioclase 1,10 Ooids 0,00 Calcite 1,10
Micrite 2,30
Rock Fragments Siderite 0,00
Igneous Skeletal grains 0,00 Pyrite 0,70
(acid) 2,10 Red algae 0,00 Kaolinite 0,60
(basic) 0,90 Green algae 0,00 Illite 0,00
Metamorphic Blue green algae 0,00 Quartz overgrowth 1,50
Polycrystalin qz 1,20 Arenaceous forams 0,00 Ferroan oxide 1,30
Low grade 0,90 Planktonic forams 0,00
REPLACEMENT %
Med grade 0,00 Small bent. Forams 0,00
High grade 0,00 Large Forams 0,00 Calcite 0,70
Sed. Rock fragments Milliolids 0,00 Micrite 2,30
Claystone 2,10 Oncolites 0,00 siderite 0,00
siltstone 0,00 Phylloid alga 0,00 Dolomite 0,00
Pyroclastic 0,00 Grapitolites 0,00 Pyrite 1,90
Chert 0,00 Corals 0,00 Kaolinite 9,70
Silisified grain 1,70 Bryozoan 0,00 Zeolite 0,00
Accessory minerals Echinoderms 0,00 Indeterminate clays 0,00
Glauconite 2,90 Brachiopods 0,00 Chlorite 0,00
Carbonaceous mat. 0,00 Molluscs 0,00 Silica 0,00
Micas 1,40 Gastropods 0,00
POROSITY %
Heavy minerals 0,00 Sponge 0,00
Opaque minerals 0,00 Indeterminate bioclasts 0,00 Intergranular 5,70
Altered grain 0,00 Intragranular 2,90
OTHERS % Fracture 0,00
Micropore 0,00
Pseudomatrix Mouldic 5,20
Car. Sideritic lam. Clays 0,00 Micro intercrystalin 0,00
Carbon streak 0,00 Dissolution 3,80
Company EMP Particles 58,90 Grain size means 0,230 mm
Well A Other 0,00 Grain size range 0,017 – 0,430 mm
Sample type Core Detrital Matrix 5,80 Sorting Poorly – moderately sorted
Depth (ft) 5398,20 Replacement 10,00 Roundness Subangular – rounded
Formation Lower Sihapas Cements 6,00 Grain contacts Concav convex > floating
Rock Name Sandstone Visibles pores 19,30 Structure -
Total (%) 100,00 Classification Sublitharenite (Pettijohn, 1975)
GRAIN COMPOSITION % GRAIN COMPOSITION
(Continued) % MATRIX %
Monocryst. Quartz Carbonate grains Detrital clays 3,00
Straight extinction 1,70 Clastic Lime, Bio, Physico Ch. 0,00 Carbonate mud 1,10
Undolose extiction 43,70 Intraclasts 0,00 Volcanic glass 1,70
Reworked 0,70 Algal Stromatolites 0,00
CEMENTS %
Pellets 0,00
Feldspars Oolites 0,00 Indeterminate clays 1,90
Potash Feldspars 0,90 Pisolites 0,00 Dolomite 0,00
Plagioclase 1,70 Ooids 0,00 Calcite 1,10
Micrite 1,40
Rock Fragments Siderite 0,00
Igneous Skeletal grains 0,00 Pyrite 0,50
(acid) 1,20 Red algae 0,00 Kaolinite 0,00
(basic) 0,00 Green algae 0,00 Illite 0,00
Metamorphic Blue green algae 0,00 Quartz overgrowth 0,60
Polycrystalin qz 1,90 Arenaceous forams 0,00 Ferroan oxide 0,50
Low grade 2,40 Planktonic forams 0,00
REPLACEMENT %
Med grade 0,00 Small bent. Forams 0,00
High grade 0,00 Large Forams 0,00 Calcite 0,50
Sed. Rock fragments Milliolids 0,00 Micrite 1,30
Claystone 0,00 Oncolites 0,00 siderite 0,00
siltstone 0,00 Phylloid alga 0,00 Dolomite 0,00
Pyroclastic 0,00 Grapitolites 0,00 Pyrite 1,70
Chert 0,00 Corals 0,00 Kaolinite 6,50
Silisified grain 0,00 Bryozoan 0,00 Zeolite 0,00
Accessory minerals Echinoderms 0,00 Indeterminate clays 0,00
Glauconite 2,30 Brachiopods 0,00 Chlorite 0,00
Carbonaceous mat. 0,00 Molluscs 0,00 Silica 0,00
Micas 2,40 Gastropods 0,00
POROSITY %
Heavy minerals 0,00 Sponge 0,00
Opaque minerals 0,00 Indeterminate bioclasts 0,00 Intergranular 4,20
Altered grain 0,00 Intragranular 4,50
OTHERS % Fracture 0,00
Micropore 0,00
Pseudomatrix Mouldic 3,70
Car. Sideritic lam. Clays 0,00 Micro intercrystalin 0,00
Company EMP Particles 53,50 Grain size means 0,197 mm
Well A Other 0,00 Grain size range 0,093 – 0,482 mm
Sample type Core Detrital Matrix 5,80 Sorting Moderately
Depth (ft) 5401,00 Replacement 8,50 Roundness Subangular – rounded
Formation Lower Sihapas Cements 5,90 Grain contacts Concav convex – floating
Rock Name Sandstone Visibles pores 16,30 Structure -
Total (%) 100,00 Classification Sublitharenite (Pettijohn, 1975)
GRAIN COMPOSITION % GRAIN COMPOSITION
(Continued) % MATRIX %
Monocryst. Quartz Carbonate grains Detrital clays 3,10
Straight extinction 1,40 Clastic Lime, Bio, Physico Ch. 0,00 Carbonate mud 1,20
Undolose extiction 45,10 Intraclasts 0,00 Volcanic glass 1,50
Reworked 1,10 Algal Stromatolites 0,00
CEMENTS %
Pellets 0,00
Feldspars Oolites 0,00 Indeterminate clays 1,70
Potash Feldspars 1,60 Pisolites 0,00 Dolomite 0,00
Plagioclase 1,20 Ooids 0,00 Calcite 1,20
Micrite 1,40
Rock Fragments Siderite 0,00
Igneous Skeletal grains 0,00 Pyrite 0,70
(acid) 0,90 Red algae 0,00 Kaolinite 0,00
(basic) 1,20 Green algae 0,00 Illite 0,00
Metamorphic Blue green algae 0,00 Quartz overgrowth 0,90
Polycrystalin qz 2,40 Arenaceous forams 0,00 Ferroan oxide 0,00
Low grade 1,30 Planktonic forams 0,00
REPLACEMENT %
Med grade 0,00 Small bent. Forams 0,00
High grade 0,00 Large Forams 0,00 Calcite 0,90
Sed. Rock fragments Milliolids 0,00 Micrite 1,10
Claystone 0,70 Oncolites 0,00 siderite 0,00
siltstone 0,00 Phylloid alga 0,00 Dolomite 0,00
Pyroclastic 0,00 Grapitolites 0,00 Pyrite 1,30
Chert 0,00 Corals 0,00 Kaolinite 5,20
Silisified grain 0,00 Bryozoan 0,00 Zeolite 0,00
Accessory minerals Echinoderms 0,00 Indeterminate clays 0,00
Glauconite 5,20 Brachiopods 0,00 Chlorite 0,00
Carbonaceous mat. 0,00 Molluscs 0,00 Silica 0,00
Micas 1,40 Gastropods 0,00
POROSITY %
Heavy minerals 0,00 Sponge 0,00
Opaque minerals 0,00 Indeterminate bioclasts 0,00 Intergranular 3,80
Altered grain 0,00 Intragranular 1,40
OTHERS % Fracture 1,70
Micropore 0,00
Pseudomatrix Mouldic 3,20
Car. Sideritic lam. Clays 0,00 Micro intercrystalin 0,00
Carbon streak 0,00 Dissolution 6,20
SAMPLE IDENTITY GENERAL COMPOSITION TEXTURES
Company EMP Particles 19,70 Grain size means 0,170 mm
Well B Other 0,00 Grain size range 0,040 – 0,253 mm
Sample type Core Detrital Matrix 9,40 Sorting Poorly sorted
Depth (ft) 5458,00 Replacement 39,40 Roundness Subangular
Formation Lower Sihapas Cements 11,50 Grain contacts Floating
Rock Name Sandstone Visibles pores 20,00 Structure -
Total (%) 100,00 Classification Subarkose (Pettijohn, 1975)
GRAIN COMPOSITION % GRAIN COMPOSITION
(Continued) % MATRIX %
Monocryst. Quartz Carbonate grains Detrital clays 2,10
Straight extinction 1,30 Clastic Lime, Bio, Physico Ch. 0,00 Carbonate mud 7,30
Undolose extiction 15,50 Intraclasts 0,00 Volcanic glass 0,00
Reworked 0,00 Algal Stromatolites 0,00
CEMENTS %
Pellets 0,00
Feldspars Oolites 0,00 Indeterminate clays 0,00
Potash Feldspars 1,70 Pisolites 0,00 Dolomite 3,70
Plagioclase 0,50 Ooids 0,00 Calcite 4,50
Micrite 2,10
Rock Fragments Siderite 0,00
Igneous Skeletal grains 0,00 Pyrite 1,20
(acid) 0,00 Red algae 0,00 Kaolinite 0,00
(basic) 0,70 Green algae 0,00 Illite 0,00
Metamorphic Blue green algae 0,00 Quartz overgrowth 0,00
Polycrystalin qz 0,00 Arenaceous forams 0,00 Ferroan oxide 0,00
Low grade 0,00 Planktonic forams 0,00
REPLACEMENT %
Med grade 0,00 Small bent. Forams 0,00
High grade 0,00 Large Forams 0,00 Calcite 17,50
Sed. Rock fragments Milliolids 0,00 Micrite 2,40
Claystone 0,00 Oncolites 0,00 siderite 0,00
siltstone 0,00 Phylloid alga 0,00 Dolomite 19,50
Pyroclastic 0,00 Grapitolites 0,00 Pyrite 0,00
Chert 0,00 Corals 0,00 Kaolinite 0,00
Silisified grain 0,00 Bryozoan 0,00 Zeolite 0,00
Accessory minerals Echinoderms 0,00 Indeterminate clays 0,00
Glauconite 0,00 Brachiopods 0,00 Chlorite 0,00
Carbonaceous mat. 0,00 Molluscs 0,00 Silica 0,00
Micas 0,00 Gastropods 0,00
POROSITY %
Heavy minerals 0,00 Sponge 0,00
Opaque minerals 0,00 Indeterminate bioclasts 0,00 Intergranular 2,10
Altered grain 0,00 Intragranular 0,00
OTHERS % Fracture 9,50
Micropore 0,00
Pseudomatrix Mouldic 0,00
Car. Sideritic lam. Clays 0,00 Micro intercrystalin 0,00
Company EMP Particles 53,10 Grain size means 0,130 mm
Well B Other 0,00 Grain size range 0,030 – 0,657 mm
Sample type Core Detrital Matrix 5,50 Sorting Poorly sorted
Depth (ft) 5570,00 Replacement 4,90 Roundness Subangular – rounded
Formation Lower Sihapas Cements 13,70 Grain contacts Floating
Rock Name Sandstone Visibles pores 22,80 Structure -
Total (%) 100,00 Classification Sublitharenite (Pettijohn, 1975)
GRAIN COMPOSITION % GRAIN COMPOSITION
(Continued) % MATRIX %
Monocryst. Quartz Carbonate grains Detrital clays 4,30
Straight extinction 1,10 Clastic Lime, Bio, Physico Ch. 0,00 Carbonate mud 1,20
Undolose extiction 34,20 Intraclasts 0,00 Volcanic glass 0,00
Reworked 2,10 Algal Stromatolites 0,00
CEMENTS %
Pellets 0,00
Feldspars Oolites 0,00 Indeterminate clays 0,00
Potash Feldspars 2,80 Pisolites 0,00 Dolomite 0,00
Plagioclase 1,40 Ooids 0,00 Calcite 2,10
Micrite 2,70
Rock Fragments Siderite 0,00
Igneous Skeletal grains 0,00 Pyrite 0,00
(acid) 1,40 Red algae 0,00 Kaolinite 0,00
(basic) 2,30 Green algae 0,00 Illite 0,00
Metamorphic Blue green algae 0,00 Quartz overgrowth 7,60
Polycrystalin qz 2,10 Arenaceous forams 0,00 Ferroan oxide 1,30
Low grade 0,00 Planktonic forams 0,00
REPLACEMENT %
Med grade 0,00 Small bent. Forams 0,00
High grade 0,00 Large Forams 0,00 Calcite 1,30
Sed. Rock fragments Milliolids 0,00 Micrite 1,50
Claystone 0,70 Oncolites 0,00 siderite 0,00
siltstone 0,00 Phylloid alga 0,00 Dolomite 0,00
Pyroclastic 0,00 Grapitolites 0,00 Pyrite 0,00
Chert 0,00 Corals 0,00 Kaolinite 0,00
Silisified grain 0,00 Bryozoan 0,00 Zeolite 0,00
Accessory minerals Echinoderms 0,00 Indeterminate clays 0,00
Glauconite 3,70 Brachiopods 0,00 Chlorite 0,00
Carbonaceous mat. 0,00 Molluscs 0,00 Silica 2,10
Micas 1,30 Gastropods 0,00
POROSITY %
Heavy minerals 0,00 Sponge 0,00
Opaque minerals 0,00 Indeterminate bioclasts 0,00 Intergranular 1,40
Altered grain 0,00 Intragranular 0,00
OTHERS % Fracture 18,90
Micropore 0,00
Pseudomatrix Mouldic 2,50
Car. Sideritic lam. Clays 0,00 Micro intercrystalin 0,00
Carbon streak 0,00 Dissolution 0,00
Company EMP Particles 66,40 Grain size means 0, 314 mm
Well B Other 0,00 Grain size range 0,040 – 0,478 mm
Sample type Core Detrital Matrix 7,30 Sorting Moderately – well sorted
Depth (ft) 5664,00 Replacement 8,50 Roundness Subangular – subrounded
Formation Lower Sihapas Cements 8,50 Grain contacts Floating – Point
Rock Name Sandstone Visibles pores 9,30 Structure -
Total (%) 100,00 Classification Lithic Arenite (Pettijohn, 1975)
GRAIN COMPOSITION % GRAIN COMPOSITION
(Continued) % MATRIX %
Monocryst. Quartz Carbonate grains Detrital clays 2,70
Straight extinction 3,60 Clastic Lime, Bio, Physico Ch. 0,00 Carbonate mud 2,50
Undolose extiction 37,50 Intraclasts 0,00 Volcanic glass 2,10
Reworked 4,30 Algal Stromatolites 0,00
CEMENTS %
Pellets 0,00
Feldspars Oolites 0,00 Indeterminate clays 0,00
Potash Feldspars 0,50 Pisolites 0,00 Dolomite 0,00
Plagioclase 1,70 Ooids 0,00 Calcite 1,40
Micrite 2,60
Rock Fragments Siderite 0,00
Igneous Skeletal grains 0,00 Pyrite 3,10
(acid) 2,10 Red algae 0,00 Kaolinite 0,00
(basic) 1,20 Green algae 0,00 Illite 0,00
Metamorphic Blue green algae 0,00 Quartz overgrowth 1,40
Polycrystalin qz 4,80 Arenaceous forams 0,00 Ferroan oxide 0,00
Low grade 2,10 Planktonic forams 0,00
REPLACEMENT %
Med grade 0,00 Small bent. Forams 0,00
High grade 0,00 Large Forams 0,00 Calcite 3,20
Sed. Rock fragments Milliolids 0,00 Micrite 2,80
Claystone 1,50 Oncolites 0,00 siderite 0,00
siltstone 0,00 Phylloid alga 0,00 Dolomite 0,00
Pyroclastic 0,00 Grapitolites 0,00 Pyrite 2,50
Chert 0,00 Corals 0,00 Kaolinite 0,00
Silisified grain 1,70 Bryozoan 0,00 Zeolite 0,00
Accessory minerals Echinoderms 0,00 Indeterminate clays 0,00
Glauconite 4,30 Brachiopods 0,00 Chlorite 0,00
Carbonaceous mat. 0,00 Molluscs 0,00 Silica 0,00
Micas 1,10 Gastropods 0,00
POROSITY %
Heavy minerals 0,00 Sponge 0,00
Opaque minerals 0,00 Indeterminate bioclasts 0,00 Intergranular 0,00
Altered grain 0,00 Intragranular 0,00
OTHERS % Fracture 5,90
Micropore 0,00
Pseudomatrix Mouldic 3,40
Car. Sideritic lam. Clays 0,00 Micro intercrystalin 0,00
Company EMP Particles 68,40 Grain size means 0,341 mm
Well B Other 0,00 Grain size range 0,135 – 0,471 mm
Sample type Core Detrital Matrix 6,40 Sorting Moderately
Depth (ft) 5690 Replacement 5,00 Roundness Subrounded – rounded
Formation Lower Sihapas Cements 8,30 Grain contacts Floating – point
Rock Name Sandstone Visibles pores 11,90 Structure -
Total (%) 100,00 Classification Lithic Arenite (Pettijohn, 1975)
GRAIN COMPOSITION % GRAIN COMPOSITION
(Continued) % MATRIX %
Monocryst. Quartz Carbonate grains Detrital clays 1,20
Straight extinction 1,20 Clastic Lime, Bio, Physico Ch. 0,00 Carbonate mud 1,10
Undolose extiction 32,60 Intraclasts 0,00 Volcanic glass 4,10
Reworked 0,30 Algal Stromatolites 0,00
CEMENTS %
Pellets 0,00
Feldspars Oolites 0,00 Indeterminate clays 0,00
Potash Feldspars 1,70 Pisolites 0,00 Dolomite 0,00
Plagioclase 3,50 Ooids 0,00 Calcite 2,30
Micrite 1,80
Rock Fragments Siderite 3,10
Igneous Skeletal grains 0,00 Pyrite 0,00
(acid) 1,80 Red algae 0,00 Kaolinite 0,00
(basic) 0,00 Green algae 0,00 Illite 0,00
Metamorphic Blue green algae 0,00 Quartz overgrowth 1,10
Polycrystalin qz 20,50 Arenaceous forams 0,00 Ferroan oxide 0,00
Low grade 1,10 Planktonic forams 0,00
REPLACEMENT %
Med grade 0,00 Small bent. Forams 0,00
High grade 0,00 Large Forams 0,00 Calcite 2,40
Sed. Rock fragments Milliolids 0,00 Micrite 1,20
Claystone 0,00 Oncolites 0,00 siderite 0,00
siltstone 0,00 Phylloid alga 0,00 Dolomite 0,00
Pyroclastic 0,00 Grapitolites 0,00 Pyrite 0,70
Chert 0,00 Corals 0,00 Kaolinite 0,70
Silisified grain 1,70 Bryozoan 0,00 Zeolite 0,00
Accessory minerals Echinoderms 0,00 Indeterminate clays 0,00
Glauconite 2,20 Brachiopods 0,00 Chlorite 0,00
Carbonaceous mat. 0,00 Molluscs 0,00 Silica 0,00
Micas 1,80 Gastropods 0,00
POROSITY %
Heavy minerals 0,00 Sponge 0,00
Opaque minerals 0,00 Indeterminate bioclasts 0,00 Intergranular 3,50
Altered grain 0,00 Intragranular 0,00
OTHERS % Fracture 4,60
Micropore 3,80
Pseudomatrix Mouldic 0,00
Car. Sideritic lam. Clays 0,00 Micro intercrystalin 0,00
Carbon streak 0,00 Dissolution 0,00
Company EMP Particles 60,80 Grain size means 0,334
Well B Other 0,00 Grain size range 0,050 – 0,465 mm
Sample type Core Detrital Matrix 8,00 Sorting Moderately
Depth (ft) 5756,00 Replacement 3,80 Roundness Subrounded – rounded
Formation Lower Sihapas Cements 6,30 Grain contacts Floating
Rock Name Sandstone Visibles pores 22,10 Structure -
Total (%) 100,00 Classification Lithic Arenite (Pettijohn, 1975)
GRAIN COMPOSITION % GRAIN COMPOSITION
(Continued) % MATRIX %
Monocryst. Quartz Carbonate grains Detrital clays 2,20
Straight extinction 1,60 Clastic Lime, Bio, Physico Ch. 0,00 Carbonate mud 2,10
Undolose extiction 23,30 Intraclasts 0,00 Volcanic glass 3,70
Reworked 16,70 Algal Stromatolites 0,00
CEMENTS %
Pellets 0,00
Feldspars Oolites 0,00 Indeterminate clays 0,00
Potash Feldspars 1,70 Pisolites 0,00 Dolomite 0,00
Plagioclase 1,90 Ooids 0,00 Calcite 1,40
Micrite 1,60
Rock Fragments Siderite 1,50
Igneous Skeletal grains 0,00 Pyrite 0,70
(acid) 0,90 Red algae 0,00 Kaolinite 0,00
(basic) 1,50 Green algae 0,00 Illite 0,00
Metamorphic Blue green algae 0,00 Quartz overgrowth 1,10
Polycrystalin qz 6,40 Arenaceous forams 0,00 Ferroan oxide 0,00
Low grade 3,80 Planktonic forams 0,00
REPLACEMENT %
Med grade 0,00 Small bent. Forams 0,00
High grade 0,00 Large Forams 0,00 Calcite 2,10
Sed. Rock fragments Milliolids 0,00 Micrite 1,70
Claystone 1,10 Oncolites 0,00 siderite 0,00
siltstone 0,00 Phylloid alga 0,00 Dolomite 0,00
Pyroclastic 0,00 Grapitolites 0,00 Pyrite 0,00
Chert 0,00 Corals 0,00 Kaolinite 0,00
Silisified grain 0,90 Bryozoan 0,00 Zeolite 0,00
Accessory minerals Echinoderms 0,00 Indeterminate clays 0,00
Glauconite 0,00 Brachiopods 0,00 Chlorite 0,00
Carbonaceous mat. 0,00 Molluscs 0,00 Silica 0,00
Micas 1,00 Gastropods 0,00
POROSITY %
Heavy minerals 0,00 Sponge 0,00
Opaque minerals 0,00 Indeterminate bioclasts 0,00 Intergranular 4,90
Altered grain 0,00 Intragranular 0,00
OTHERS % Fracture 13,50
Micropore 0,00
Pseudomatrix Mouldic 2,70
Car. Sideritic lam. Clays 0,00 Micro intercrystalin 0,00
