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Canoer on flooded salt pan, Death Valley, CA
Canoer on flooded Badwater Basin in April, 2005 (Death Valley salt pan), California (2K5-2538)
Download ImageSun Notch and Crater Lake caldera, Oregon
Sun Notch, a glacial (U-shaped) valley beheaded during the eruption of Mt. Mazama to form Crater Lake, Crater Lake National Park, Oregon (120626-117)
Download ImageCrater Lake caldera, Oregon
Wizard Island, an andesitic cone in Crater Lake, Crater Lake National Park, Oregon (120636-100b)
Download ImageCrater Lake caldera, Oregon
Wizard Island, an andesitic cone in Crater Lake, Crater Lake National Park, Oregon (120626-98)
Download ImageTalus Cones and cliffs, Montana
Talus cones and cliffs of Proterozoic Grinnell Formation capped by Empire Formation, Glacier National Park, Montana. The Grinnell is part of the Belt Supergroup. (220720-40)
Download ImageTalus cones and cliffs, northern Montana (vertical)
Talus cones and cliffs of Proterozoic Grinnell Formation capped by Empire Formation, Glacier National Park, Montana. The Grinnell is part of the Belt Supergroup. (220720-36)
Download ImageBi-directional cross-bedding in sandstone
Bi-directional cross-bedding in sandstone of the Proterozoic Grinnell Formation, Glacier National Park, Montana. The Grinnell is part of the Belt Supergroup. (220720-29)
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Large ripples (dunes) Grinnell Fm, Montana
Large ripples (dunes) in river-transported sediment: Proterozoic Grinnell Formation, Glacier National Park, Montana The Grinnell is part of the Belt Supergroup. (220720-23)
Download ImageGrinnell Formation and glacial horn, Montana (vertical)
Cliff of Proterozoic Grinnell Formation, Glacier National Park, Montana. The Grinnell is part of the Belt Supergroup. (220720-22)
Download ImageGrinnell Formation and trail, Montana (vertical)
Trail cut into cliff of Proterozoic Grinnell Formation, Glacier National Park, Montana. The Grinnell is part of the Belt Supergroup. (220720-18)
Download ImageListric normal fault and Great unconformity, SW Montana
Listric normal fault offsetting and rotating Precambrian-Cambrian nonconformity, SW Montana. Geologist is standing next to Proterozoic schist that is cut by a pegmatite dike. It’s all overlain by a Cambrian basal conglomerate (in shadow), overlain by the Flathead Sandstone (220717-27)
Download ImageListric normal fault and rotation, SW Montana
Listric normal fault offsetting and rotating Precambrian-Cambrian nonconformity, SW Montana. hammer is on Proterozoic schist overlain by a Cambrian basal conglomerate, overlain by the Flathead Sandstone (220717-21)
Download ImageBasal conglomerate at pC-Cambrian Nonconformity, MT
Cambrian basal conglomerate beneath Cambrian Flathead Sandstone on top Proterozoic schist at the Great Unconformity, here a nonconformity, southwestern Montana (220717-20)
Download ImageSlaty cleavage and bedding, Montana
Slaty cleavage and bedding in limestone of the Mississippian Madison Group, SW Montana. (220717-7)
Download ImageSlaty cleavage and bedding, Montana (vertical)
Slaty cleavage and bedding in Mississippian Limestone, SW Montana. (220717-6)
Download ImageAsymmetric anticline in limestone, Montana
Asymmetric anticline in Cretaceous limestone, SW Montana (220713-2)
Download ImageAnticlinal hinge, SW Montana
Anticlinal fold hinge in Cretaceous sandstone, SW Montana (220710-13)
Download ImageProterozoic Altyn Dolomite, Glacier NP, Montana
Altyn Dolomite, part of the Proterozoic Belt Supergroup, Glacier National Park, Montana (190718-9)
Download ImageDipping Paleozoic and Mesozoic rock, SW Montana
Ridges of dipping Paleozoic and Mesozoic sedimentary rock, SW Montana (190711-14)
Download ImageFault-propagation fold, Montana
Fault-propagation anticline and thrust fault, Glacier National Park, Montana (220720-10)
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