glacial drift

American  

noun

Geology.

1. material, as gravel, sand, or clay, transported and deposited by a glacier or by glacial meltwater.

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Example Sentences

She was found under twelve feet of glacial drift in Ottertail County, Minn.�first proof that man lived on this continent during glacial times.

From Time Magazine Archive

Since lithological and physical heterogeneity are characteristics of glacial drift, they together afford a criterion which is often of service in distinguishing glacial drift from other surface formations.

From The Geography of the Region about Devils Lake and the Dalles of the Wisconsin by Atwood, Wallace W.

Directly overlying the sheets of glacial drift laid down by the ice there is a flora corresponding to that of the present tundras.

From Climatic Changes Their Nature and Causes by Huntington, Ellsworth

The departure from the erosion type is due to a mantle of glacial drift which masks the topography of the bedded rock beneath.

From The Geography of the Region about Devils Lake and the Dalles of the Wisconsin by Atwood, Wallace W.

Much glacial drift obscures the older rocks on the east and north and in the vale of Clwyd.

From Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5 "Fleury, Claude" to "Foraker" by Various