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glacial movements
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temperature in toroto during the last glacial stage?
2 -2.5 c warmer
when was the last interglacial stage when was it?
125 00 years ago
first ice age on earth?
2.3 billion years ago
whats the name of the first ice age?
huronian
what were the 3 main areas in canada that were flooded?
quebec guelf of st lawrence hudson bay
name two sheets that covered cananda in the last glacial stage
the cordillerian and laurentide
terminal morains and drumines both have _______ types of rock?
unsorted big rocks
kames have what type of rock?
sorted fine sands and gravels
eskers and kame morains have what type of sediment?
rounded sediment
trail have what type of sediment?
angular
in a regular glacier does the ice move towards or away from the termins?
towards
define terminus
the end point
the name for depressions that have small ponds and are formed by the melting of large blocks of ice?
kettles
what type of feature is formed by stagnant rocks?
terminal moraines
main reason for ice ages?
cyclical vibrations
the name of 2 ridges that come to gether?
arrtes
name of 3 ridges that come together?
horns
what was the larges ice sheet?
northern europe
how much lower was the sea level in the last glacial stage?
100m
how high was the sea level in the last glacial stage?
10- 3 m
what is the present glacial stage?
late censoic
when did the cenzonic interglacial time period begin?
40 million years ago
whats was the name of the last glacial stage?
winconcin
the quatecnary peroid began when
ice started to form in canada
when did the quatncy peroid begin?
2-2.5 billion years ago
what is the term used to describ the term for land that is rising after ice retrieval?
isostatic rebound
what is the movement of ice?
ice either slides or creeps
what is a roche?
streamlined features that cut into rock forming a gentil smooth side and a rugged side
the names of the zones betewwn the snowline
a accumulation
b ablation
what is the name for a vally that is perched upontop of another valley
hanging valleys
whats do we call fine glaciation marks on rocks?
striations
what do we call ridges that once extended into valleys and had their ends cut off by ice?
tunnicated spurs
tunnicated spurs are shpapped like?
interlocked mountains
what is the name for the feature that is laid down by glacial ice?
till
what is the name for glaciated valleys whos floors have been drowned out
fiords
what is the name for rocks and fragments that are carried by glacial diposits and are seen as unfitting?
erratics
what is the name of the moraine system in canada?
drummer moraine
what is developed by deep valleys created by melt water?
spill ways
Author
Anonymous
ID
47232
Card Set
glacial movements
Description
glacier test 2
Updated
2010-11-04T03:18:41Z
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