Esker Flashcards
(5 cards)
1
Q
Eskers are
A
Meandering ridges along a valley floor
2
Q
Formed by
A
Meltwater streams in or underneath a glacier
3
Q
They are made up of
A
Meltwater sands and gravels these are sorted by size as heavier stones are dropped of first by flowing water
4
Q
These stones tend to
A
Be more rounded than glacial deposits
5
Q
On reaching
A
Lower altitudes or when temperatures rise the glacier melts