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40Ar/39Ar Thermochronology Across a Transect of the Eastern Grenville Front Tectonic Zone and the Western Britt Domain of the Grenville Province, Georgian Bay
(1993-03-15)
40Ar/39Ar thermochronology of hornblendes from granitic gneiss and amphibolites in the Central Gneiss Belt (CGB) west of Key Harbour along northern Georgian Bay yields ages ranging from 1016 - 995 Ma. Muscovites from the ...
Holocene Relative Sea-Level Change in Nova Scotia
(1993-03-15)
Core samples collected around Atlantic Canada, specifically from the West Head salt marsh, Chezzetcook Inlet, enable temporal and spatial examination of benthic foraminiferal assemblages. Benthic foraminiferal zonations, ...
Comparison of Siliceous Volcanics from the Clarno and John Day Formations, Oregon
(1993-03-15)
The Tertiary Clarno and John Day Formations occur in the Blue Mountains Region of north-eastern Oregon. The two formations are easily distinguishable overall, because the Clarno consists primarily of andesitic to dacitic ...