Abstract

Cores taken from lakes throughout Vancouver Island consist of a homogeneous sequence of postglacial sediments that is usually underlain by glacial varves or outwash deposits. The paleoinclination and the relative paleodeclination logs of the postglacial sequence for each core forms a fairly consistent pattern of oscillations that has been used for the correlation of the cores from lake to lake. This correlation method provides important information on the relative timing of the cessation of glacial outwash deposition as well as the rate of postglacial deposition from lake to lake. Unfortunately, 14C dates on discrete organic material and the presence of the Mazama tephra layer (6800 BP) in the postglacial sequence at Shawnigan Lake have not provided sufficient reliable information to date the paleomagnetic record or the postglacial-glacial boundary.

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