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Deformed Proterozoic strata, Granite Wash, AZ

March 17, 2020March 24, 2020 by Michael Smith, posted in Structural Geology

granite_wash_az_proterozoic_stx

reduced file size version (more functional for some computers): granite_wash_az_proterozoic_stx_reduced

Complexly-deformed Proterozoic metasediments exposed in the upper Verde valley catchment, Arizona.

Tagged Arizona, faults, folds, Proterozoic, strain

Turkey Creek, Rincon Mountains

March 16, 2020March 24, 2020 by Michael Smith, posted in Sedimentary Geology, Structural Geology

rincons_turkeycreek

reduced file size version (more functional for some computers): rincons_turkeycreek_reduced

Tilted lower Paleozoic strata overlie granitic basement on north side of the Turkey Creek valley, Rincon Mountains, Arizona.

Tagged Cambrian, Mississippian, Paleozoic, Rincon Mountains, Turkey Creek

Van Hise Rock, WI

March 14, 2020March 24, 2020 by Michael Smith, posted in Structural Geology

van_hise_rock

reduced file size version (more functional for some computers): van_hise_rock_reduced

Deformed Precambrian strata near Baraboo, WI, showing different deformation styles resulting from different protolith compositions.

Tagged Baraboo, Baraboo Quartzite, rheology, strain, Wisconsin

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Arizona bioherms California Cambrian carbonate carbonates Colorado cross-stratification cyclothems deltaic Desmoinesian Dinosaur National Monument Eocene Firehole Canyon fluvial Goosenecks Project Green River Formation hand samples Jordan lacustrine limestone Minnesota Moscovian mudstone NAU collection Oneota Ordovician Paleocene Paleogene Paleozoic Paradox Formation Pennsylvanian Permian Platteville sandstone Santa Lucia Range sedimentary strain submarine turbidites Wasatch Wilkins Peak Member Wisconsin Wyoming Yampa River
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