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Deposition by Glaciers

Features created by glacial deposition include glacial tills and moraines.

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Deposition by Glaciers
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Vocabulary

drumlin

drumlin

Long, low hill of till deposited by a glacier that points in the direction the glacier went.
esker

esker

Sinuous ridge of sediment deposited by meltwater beneath a glacier.
glacial erratic

glacial erratic

Large boulder with a different rock type or origin from the surrounding bedrock.
glacial till

glacial till

Any unsorted sediment deposited by glacial ice.
kettle lake

kettle lake

Lake that forms when a chunk of ice in glacial till melted.
moraine

moraine

Linear deposit of unsorted, rocky material on, under, or left behind by glacial ice.
varve

varve

Paired deposit of light-colored, coarser sediments and darker, fine-grained sediments, deposited in a glacial lake, that represent an annual cycle.

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