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Buttress Unconformity, Oregon (Pan)
Buttress Unconformity between 1.2 Ma canyon-filling basalt (right) and 7.5-4 Ma Deschutes Formation (left). Note the Deschutes Formation below the basalt in the roadcut on the right side of the photo. Cove Palisades State Park, Oregon (171007-92)
Download ImageButtress Unconformity, Oregon
Buttress Unconformity between 1.2 Ma canyon-filling basalt and 7.5-4 Ma Deschutes Fm. Cove Palisades State Park, Oregon (171007-90)
Download ImageAsh Flow tuff, Oregon (vertical)
“The Ship”–an exposure of Cove Ignimbrite, part of the Miocene Deschutes Formation, at Cove Palisades State Park, Oregon. (171007-85)
Download ImageAsh Flow tuff, Oregon
“The Ship”–an exposure of Cove Ignimbrite, part of the Miocene Deschutes Formation, at Cove Palisades State Park, Oregon. (171007-82)
Download ImageButtress Unconformity, Oregon (Pan)
Buttress Unconformity between 1.2 Ma canyon-filling basalt and 7.5-4 Ma Deschutes Fm. Cove Palisades State Park, Oregon (171007-78)
Download ImageButtress Unconformity, Oregon (Pan)
Buttress Unconformity between 1.2 Ma canyon-filling basalt (right) and 7.5-4 Ma Deschutes Formation (left). Cove Palisades State Park, Oregon (171007-62f)
Download ImageVolcaniclastic rock, Oregon
Cross-bedded conglomerate, volcaniclastic, and pyroclastic rock of the 7.5-4 Ma Deschutes Formation. Cove Palisades State Park, Oregon. (171007-52)
Download ImageColumnar-jointed basalt, Oregon
Colonnade in basalt of the Deschutes Formation. Cove Palisades State Park, Oregon. (171007-43)
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High water mark in reservoir, Georgia
High water mark on Lake Allatoona reservoir, Georgia (171120-95)
Download ImageGneiss and reservoir, Georgia (vertical)
Precambrian Corbin Gneiss and Lake Allatoona reservoir, Georgia. (171120-86)
Download ImageGneiss and Lake Allatoona, Georgia
Precambrian Corbin Gneiss and Lake Allatoona reservoir, Georgia. (171120-85)
Download ImagePorphyroclasts in gneiss, Georgia
Porphyroclasts in Precambrian Corbin Gneiss, Georgia. Photo is about 1 meter across bottom. (171120-81)
Download ImagePorphyroclasts in gneiss, Georgia
Porphyroclasts in Precambrian Corbin Gneiss, Georgia (171120-79)
Download ImagePhyllite outcrop, Tennessee
Outcrop of phyllite of Precambrian Wilhite Formation,, Tennessee. (171120-74)
Download ImagePhyllite outcrop, Tennessee (vertical)
Outcrop of phyllite of Precambrian Wilhite Formation,, Tennessee. (171120-73)
Download ImageFoliation in Phyllite, Tennessee
Foliation in phyllite, viewed in xz and xy planes of strain ellipsoid. Precambrian Wilhite Fm, Tennessee. (171120-72).
Download ImageCrenulations and lineations in phyllite
Crenulations and lineations in phyllite of Precambrian Wilhite Fm, Tennessee. (171120-68)
Download ImageFoliation and block glide in Phyllite, TN
Dipping foliation in phyllite of Precambrian Wilhite Formation makes for easy sliding of rock slabs towards highway, Tennessee. (171120-65)
Download ImageDipping bedding and block gliding, TN
Dipping bedding in Cambrian Hesse Formation, Great Smoky Mountains National Park, Tennessee, makes for easy sliding towards roadway. (171120-62)
Download ImageGreat Smoky Mountains, Tennessee
Foothills of Great Smoky Mountains National Park, Tennessee (171120-57)
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