Regional Geology of Eastern Canada Offshore

Austin, G H

doi:10.1306/83d90e8f-16c7-11d7-8645000102c1865d

Bulletin

1973

DOI: 10.1306/83d90e8f-16c7-11d7-8645000102c1865d

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Regional Geology of Eastern Canada Offshore

G H Austin¹

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Cited by 4 publications

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Provenance of Mesozoic and Cenozoic sediments from the Labrador and western Greenland continental margins

Higgs¹

1978

Can. J. Earth Sci.

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Forty-two Cretaceous and Paleocene sand samples from offshore Labrador and onshore western Greenland were examined petrographically. The sands were found to be mineralogically and texturally immature, reflecting rapid erosion and transportation from local, high-relief source areas. The principal source-rock types were acidic plutonics and amphibolite-facies metasediments and metavolcanics. Basic igneous rocks provided minor quantities of detritus, whereas contributions from sedimentary and low-grade-metamorphic sources were negligible. Cretaceous and Paleocene sediment transport was essentially perpendicular to the axis of the 'Labrador–Baffin rift system.In view of the apparent local abundance of amphibolite-facies supracrustal rocks during the Cretaceous and Paleocene, extensive post-Paleocene denudation in Labrador, Baffin Island, and western Greenland is invoked to account for the present scarcity of such rock types.

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Provenance of Mesozoic and Cenozoic sediments from the Labrador and western Greenland continental margins

Higgs¹

1978

Can. J. Earth Sci.

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Geology and Petroleum Possibilities in and Around Gulf of St. Lawrence

Williams¹

1974

Bulletin

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Dome Structure, Atlantic Outer Continental Shelf East of Delaware: Preliminary Geophysical Report

Sheridan¹

1975

Bulletin

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Regional Geology of Eastern Canada Offshore

Cited by 4 publications

References 59 publications

Provenance of Mesozoic and Cenozoic sediments from the Labrador and western Greenland continental margins

Provenance of Mesozoic and Cenozoic sediments from the Labrador and western Greenland continental margins

Geology and Petroleum Possibilities in and Around Gulf of St. Lawrence

Dome Structure, Atlantic Outer Continental Shelf East of Delaware: Preliminary Geophysical Report

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