Mineral Resources On-Line Spatial Data
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Geologic units containing moraine
A mound, ridge, or other distinct accumulation of unsorted, unstratified glacial drift, predominantly till, deposited chiefly by direct action of glacial ice...
- Glacial deposits (Pleistocene) (Pleistocene)
- Unsorted bouldery gravel, sand, and rock flour in ground, terminal, and lateral moraines. Locally partly sorted
- Younger glacial drift (Pleistocene)
- Till. Hard, blue-gray to gray concrete-like mixture of clay, silt, sand, and gravel deposited as end or recessional moraine. Principally Wisconsin in age.