Английская Википедия:Intermontane Islands
Шаблон:Use dmy dates Шаблон:Short description Шаблон:Unreferenced
The Intermontane Islands were a giant chain of active volcanic islands somewhere in the Pacific Ocean during the Triassic time beginning around 245 million years ago. They were 600 to Шаблон:Convert long and rode atop a microplate known as the Intermontane Plate. Over early Jurassic time the Intermontane Islands and the Pacific Northwest drew closer together as the continent moved west and the Intermontane Plate subducted. About 180 million years ago in the Mid-Jurassic time the last of the Intermontane Plate subducted and the Intermontane Islands collided with the Pacific Northwest, forming parts of British Columbia, Canada. The Intermontane Islands were too big to sink beneath the continent, and welded onto the continent, forming the Intermontane Belt. Geologists call the ocean that existed between the Intermontane Islands and North America the Slide Mountain Ocean.
See also
External links
- Шаблон:Cite web Burke Museum – University of Washington
Шаблон:Canada-geology-stub Шаблон:Palaeo-geo-stub
- Английская Википедия
- Страницы с неработающими файловыми ссылками
- Former islands of Canada
- Volcanic arc islands
- Natural history of British Columbia
- Geology of British Columbia
- Triassic paleogeography
- Jurassic paleogeography
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- Страницы с телепортом
- Википедия
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