| Term |
Definition |
category |
| groove |
scratches carved into rocks as a glacier drags material across its surface. |
erosion |
| cirque |
a deep and steep bowl-like depression produced by glacial erosion. |
erosion |
| arete |
a sharp, jagged ridge that forms between cirques. |
erosion |
| horn |
a sharp, pyramid-like peak that forms between cirques. |
erosion |
| rouche moutonnee |
rounded rocks with one broken side, sticking out of the ground. |
erosion |
| U-shaped vally |
a valley that is carved by a glacier, it has steep sides and a rounded bottom. |
erosion |
| hanging valley |
a tributary valley suspended above a main valley- often has a waterfall. |
erosion |
| erratic |
a large rock transported from a distant source. |
deposition |
| glacial drift |
rock material carried and deposited by glaciers. |
deposition |
| till |
unsorted material deposited directly by a glacier. |
deposition |
| meltwater |
streams flowing from melting ice. |
deposition |
| stratified drift |
material that has been sorted and deposited in layers by streams flowing from the melted ice. |
depostiton |
| glacial flour |
The fine-grained sediment carried by glacial revers. |
deposition |
| moraine |
a landform that is made from unsorted sediments deposited by a glacier. |
deposition |
| drumlin |
long, low, tear-shaped mounds of till. |
depostiton |
| outwash plain |
a deposit of drift that lies in front of a glacier and is crossed by many meltwater streams |
deposition |
| kettle |
a depression formed when a chunck of ice is buried in the drift, then melts. If filled with water, it becomes a lake. |
deposition |
| esker |
a long, winding ridge of gravel and course sand deposited by glacial streams. |
deposition |
| glacial lake |
any lake formed by a glacier. |
erosion |
| finger lake |
long, narrow lakes formed by moraines. |
erosion |
| paternoster lake |
a series of glacial lakes connected by a single stream or a braided stream system. |
erosion |
| tarn |
a mountian lake formed at the bottom of a cirque. |
erosion |
| salt lake |
a lake where water only leaves through evaporation, over time salt builds up in the water. |
erosion |
| f jord |
a u-shaped valley that connects to the ocean and is filled with ocean water. |
erosion |
Buen Viaje lv.2 ch 8
