Geological Survey Of Canada Paper 78 20

Five marine pelecypod and cirriped associations, one greshwater pelecypod association, seven foraminiferal associations, and five groups of ostracode assemblages are recognized in Late Pleistocene sediments of the Thurso, Russell, Winchester, and Morrisburg map areas. Salinity and substrate are the primary factors controlling the distribution of macrofossils and microfossils.

Focuses on the last time glaciers spread across the continent, using the records of former ice sheets, glaciers, and pluvial lakes to understand the response of North American ice sheets and glaciers to the climate change that ended the last (before ours) interglacial period. The 21 papers, most fro