Geology Medicine Bow Mountains



medicine bow peak


the medicine bow mountains resulted continental compression during laramide orogeny. beginning 70 million years ago, rockies began uplifting along thrust faults broke precambrian granite of earth s crust. 50 million years ago, of wyoming s major mountain ranges elevated , major basins defined. rocks exposed along flanks , peaks of medicine bow mountains span precambrian modern, peaks composed of 2.4-2.0 billion year old medicine peak quartzite. rock once shallow marine sand deposit has since been compressed , heated during burial, forming metamorphic rock, quartzite. may traces of multicellular animals preserved in rock, making of particular interest paleontologists.


the cheyenne belt, 1.78–1.74 billion year old suture between wyoming craton , yavapai province formed north america assembled, exposed in medicine bow mountains.







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