GT has various meanings in the Geology category. Discover the full forms, definitions, and usage contexts of GT in Geology.
A hydrated iron oxide mineral.
GeologyTill or glacial till is unsorted glacial sediment. Glacial drift is a general term for the coarsely graded and extremely heterogeneous sediments of glacial origin. Glacial till is that part of glacial drift which was deposited directly by the glacier.
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