The Ancient Western North American Margin

The Ancient Western North American Margin

An Alpine Rift Model for the East-central Canadian Cordillera

Microform - 1987
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Recent work in the North American Cordillera emphasized the differencesbetween fault-bounded blocks of stratigraphy and as a consequence, theCordillera was subdivided into terranes. In east-central British Columbia, 5fault-bounded terranes are distinguished by their unique stratigraphy. Thispaper interprets the palinspastic geology of those terranes and how theycould come together, then showing that the terranes of east-centralCordillera were probably separated by highlands rather than oceans.Modifications to Trumpy's (1960) model for the Alps are discussed, thestratigraphy of the terranes summarized, and the Triassic palinspasticcross-section described. Finally the reconstruction of the Precambrian toPaleozoic western Canadian margin are discussed by relating the stratigraphyof the eastern Cordilleran terranes to the possible tectonic events thatcreated them.
Publisher: Ottawa : Geological Survey of Canada, 1987
Description: 19 p
ISBN: 9780660125442
0660125447
Branch Call Number: MF BC-DOC 87-06390

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