Abstract

A large borrow pit excavated at Lake Chamberlain, northwest of New Haven, Connecticut, exposed two tills in direct superposition. The younger till represents the last glaciation of the district. Measurement of three directional parameters on each till, coupled with observation of the contact between the two tills, strongly supports the assumption of glacial movement from north or northwest, later followed by movement from the northeast. An intervening episode of oxidation and valley cutting is likely but is not firmly established.

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