Évènements tectoniques d'origine compressive dans le Protérozoïque du nord de la Cordillère canadienne (montagnes Ogilvie, Yukon)
The oldest Proterozoic strata of Coal Creek Dome (Ogilvie Mountains, Yukon) have been affected by syntectonic and decimetre- to kilometre-scale folds. These folds were eroded, then sealed by other Proterozoic strata. This is the first record of a Proterozoic compressive tectonic event in the norther...
Published in: | Canadian Journal of Earth Sciences |
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Main Author: | |
Format: | Article in Journal/Newspaper |
Language: | English |
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Canadian Science Publishing
1989
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Online Access: | http://dx.doi.org/10.1139/e89-016 http://www.nrcresearchpress.com/doi/pdf/10.1139/e89-016 |
Summary: | The oldest Proterozoic strata of Coal Creek Dome (Ogilvie Mountains, Yukon) have been affected by syntectonic and decimetre- to kilometre-scale folds. These folds were eroded, then sealed by other Proterozoic strata. This is the first record of a Proterozoic compressive tectonic event in the northern Canadian Cordillera. It is named the Fifteenmile orogeny and may be correlated either with the Wernecke Mountains Racklan orogeny (usually dated at about 1200 Ma) or with an older event, perhaps Hudsonian (1750 Ma). |
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