Flashcards

Continental Glaciation

isaacmcdowell Inglês 20 flashcards

Flashcards do conjunto (20)

1CreepIce pressure causes crystals to deform; squeezing causes move
2Basal SlipWater between ice and rock is formed by friction; Glacier moves rapidly
3ShearingIce tears as glaciers moves forward
4AbrasionRocks frozen to bottom of glacier scour rock
5QuarryingMelt water freezes in cracks of bedrock; chips away broken rock
6Rock Basin LakeLakes created from quarrying
7Bedrock PlainsExposed tracts of bedrock
8Finger LakesLong, skinny lakes scratched out of soft bedrock
9MorainesFormed when debris is pushed along bottom and sides of advancing ice; composed of glacial till
10Terminal MoraineFurthest extent of a moraine
11Lateral MoraineFormed on sides
12Interlobate MoraineWhere two ice sheets meet
13Recessional MoraineIce sheet retreats and advances (not as far as terminal point)
14Outwash PlainsStratified layers of alluvium deposits
15Kettle lakesLarge chunks of ice that did not completely melt become surrounded by glacial till
16SpillwaysMeltwater collects in large streams and channels; water carves out valleys in till
17EskersRivers on top, inside, and under glaciers carry sediments; Glacier melts, sediments deposited in long line
18KameGlacial delta at end of stagnant glacier
19DrumlinsLike smaller moraines; Ice piles in front, then 'jumps' to create smooth sides hill
20StriationsScratches in bedrock

Descrição: FlashCards sobre Continental Glaciation, criado por isaacmcdowell em 27-01-2015.
Criado por: isaacmcdowell
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