preglacial in English
adjective
1
of, relating to, or denoting a time before a glacial period.
These preglacial valleys were eroded along zones of weakness in the bedrock, and thus both the main fjords and their tributaries mirror the structural bedrock geology by following the trend of bedrock lineaments.
Use "preglacial" in a sentence
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1. Examples of in a sentence The till is presumably made in part of preglacial soils, but it is more largely composed of rock waste mechanically Comminuted by the crccpiiig ice sheets; although the crystalline rocks from Canada and some of the more resistant stratified rocks south of the Great Lakes occur as boulders and stones