کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9534723 | 1356421 | 2005 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Edge tectonics (trench rollback, terrane export) of Gondwanaland-Pangea synchronized by supercontinental heat
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موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
زمین شناسی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Edge tectonics (trench rollback, terrane export) of Gondwanaland-Pangea synchronized by supercontinental heat Edge tectonics (trench rollback, terrane export) of Gondwanaland-Pangea synchronized by supercontinental heat](/preview/png/9534723.png)
چکیده انگلیسی
From 650-500 Ma assembly, 320 Ma merger in Pangea, to 185 Ma breakup, Gondwanaland developed by the accretion of lithosphere along the convergent edge on the south and by the export of terranes from the divergent edges on the west and northeast. The interior underwent epeirogenic movement except in areas affected during the merger by farfield shortening. Synchronous or near-synchronous events on the edges and interior are linked hypothetically by convection currents in the asthenosphere driven by supercontinent-induced heat. On the convergent edge, currents countered the sinking slab to roll back the trench and generate a backarc basin. On the divergent edge, currents initiated an ocean that prised off continental rims in the form of terranes. In the interior, currents extended the lithosphere in basins and rifts.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Gondwana Research - Volume 8, Issue 4, October 2005, Pages 449-456
Journal: Gondwana Research - Volume 8, Issue 4, October 2005, Pages 449-456
نویسندگان
J.J. Veevers,