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Thesis for
Master of
Scienceonou ours) in
Geology(1450)
0.
Po
. OLSON,Drainage.
U l m i a l tereaces.
( ~ o f aterraces in ~ back p o ~ j i e f )Basin-sbped depreseions ("Maori holesu).
The ignlmbrite sheet.
Honeycomb weathering i n ignfmbrit
e.Lahars, volcanic landslides
andthe Maungatautarf cone;lomsrate.
Laha.r hillocka (Conioal
h i l l s ) .
Exposed lava dykes on Mt. Bdaungatautari.
M t .
Mangakara.
A
n s ~ ~ r i a " cone.
Pumiceous ash deposits and chalawidites.
Solution p i t s d lapiea.
Changes of course of Waikato Rimr.
(a)
A tHimrera Valley.
(b)
Near Arapuni.
I V o
@OIOGICAL HISTORYAND STRATI-*
A.
Geological history.
B.
S trat igraphy,
Hokorui system.
Age of
the igninibrite.
Age
of Bat. bQaungatautari.
The Xtudlton Hills
formatlioxl.
The Hamilton
AshShower.
The Hfntera formation.
Age
of M. ldmgakara.
Age
of the *scorian corn.
Deposits in
W a i p aFlat.
Recent
P d c edeposits i n Waikato
V ' e y .The
TaupoShower.
PETROIOGY
AND
PETRO(2uPHY.A.
Ssdirnerrtary,
1)
Greywacke and argillfte.
B. Igneous.
1) Ignirdbrite.
2)
bfaungataut ari andesite.
3)
Mmgakaraardesite.
4) Basalt.
