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Till

A rock subtype
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About TillHide

Unsorted clastic sediment, often full of boulders, sand, silt and clay, formed from the ground moraine material of glaciers.
A stiff, hard, and usually unstratified clay or Glacial drift that contains boulders scattered through it. Also called boulder clay; hardpan; drift clay.
Ref: Fay, ASCE

Dominantly unsorted and unstratified drift, generally unconsolidated, deposited directly by and underneath a glacier without subsequent reworking by meltwater, and consisting of a heterogeneous mixture of clay, silt, sand, gravel, and boulders ranging widely in size and shape.

Synonym of: glacial till, ice-laid drift

See Also: boulder clay, moraine

Ref: AGI


Unique IdentifiersHide

Mindat ID:
49431
Long-form identifier:
mindat:1:1:49431:1

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