boulder clay
Noun
Meaning
unstratified soil deposited by a glacier; consists of sand and clay and gravel and boulders mixed together
Source: WordNetSynonyms
till
moraine
drift
drumlin
esker
cashbox
terminal moraine
glacial till
glacial drift
glacial flour
glacial debris
glacial sediment
ice age sediment
glacial tillite
glacial deposit
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