16 key words
Terms in this set (16)
a period of global cooling during which continental ice sheets and mountain glaciers expand
huge, slow moving sheets of ice
A large mass of compressed ice
any period of time during which glaciers covered a large part of the earth's surface
The process by which a glacier picks up rocks as it flows over the land
Scrape of the skin due to something abrasive
It is the leftover scratching from the stones and shows the direction the ice moved
steep sided, half bowl shaped recess at the head of the glacier
It is a mountain lake or pool formed in a excavated cirque
A jagged, narrow ridge that separates two adjacent glacier valleys or cirques.
It is an angular sharp point at the top of the mountain
U shaped valley
A valley shaped by glaciers
a long, narrow lake in the bottom of a glacial trough
A chain of lakes in a glacial valley.
A valley left by a melted tributary glacier that enters a larger glacial valley above its base, high up on the valley wall.
A long narrow inlet of sea that is formed when valleys are filled with sea water