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Tag: Permian

Permo-Triassic unconformity at Lees Ferry, AZ

March 17, 2020March 20, 2020 by Michael Smith, posted in Sedimentary Geology

lees_ferry_PT_paleovalley

Subtly incised Permian Kaibab Limestone overlain by Triassic Moenkopi Formation, Lee’s Ferry, AZ.

 

Tagged Arizona, Colorado River, Kaibab, Marble Canyon, Moenkopi, paleovalley, Permian, Triassic, unconformity

Late Paleozoic cyclothems, Paradox Basin, UT

March 17, 2020March 20, 2020 by Michael Smith, posted in Sedimentary Geology

honaker_trail_strata

Late Paleozoic cyclothems of the Paradox and Honaker Trail Formations exposed by the canyon of the San Juan River. Photoset taken from opposite canyon rim, near the historic Honaker Trail, Bears Ears National Monument, UT. 

 

 

Tagged Bears Ears National Monument, Honaker Trail, Paleozoic, Paradox, Pennsylvanian, Permian, San Juan River, Utah

Hermit Formation, Dry Beaver Creek, Arizona

March 16, 2020March 20, 2020 by Michael Smith, posted in Sedimentary Geology

hermit_fm_dry_beaver_creek

Permian terrestrial strata of the Hermit Formation containing interesting fluvial bedforms, Dry Beaver Creek, AZ.

Tagged Arizona, Dry Beaver Creek, fluvial, Hermit, Permian

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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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