Lecture 9: Glacier Erosion and Deposition Flashcards
1
Q
Source of water in a glacier
A
Supra-, en- and sub-
2
Q
Moulin
A
Vertical conduit for water movement in a glacier
3
Q
Trimline
A
Boundary line on valley wall marking max. thickness of glacier
4
Q
Types of depositional deposits
A
1)Glacial
2)Fluvial
3)Gravitational
4)Aeolian
5
Q
Different mechanisms of glacial deposition
A
Melt-out vs lodgement
6
Q
Types of glacial deposition
A
Till and stratified drift
7
Q
Erratics
A
Rock fragments moved a long distance by a glacier
8
Q
Moraines
A
Deposition of debris that is pushed off of glacier and is parallel to flow
9
Q
Drumlin
A
Deposition of much debris from underneath the glacier, parallel with flow
10
Q
Kames
A
Sand and gravel deposits that formed by running water from glacier ice
11
Q
Kettle Lakes
A
Large kames
12
Q
Outwash plains
A
Deposition of water-reworked till
