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Quartz veins in quartzite, North Carolina
Quartz veins in quartzite of Precambrian Grandfather Mountain Formation, North Carolina. Blue Ridge Province of Appalachian Mountains. (171118-17)
Download ImageQuartz veins in quartzite (vertical)
Quartz filled fractures in quartzite, North Carolina. Blue Ridge Province of Appalachian Mountains. (171118-16)
Download ImageQuartz vein cutting metaconglomerate
Quartz filled fracture cutting metaconglomerate of Precambrian Grandfather Mountain Formation, North Carolina. Blue Ridge Province of Appalachian Mountains. (171118-12)
Download ImageLineated amphibolite, North Carolina
Lineated amphibolite, Ashe Metamorphic Suite, North Carolina. (Lineations parallel to knife). Blue Ridge Province of Appalachian Mountains. (171118-6)
Download ImageFolded amphibolite, North Carolina
Folded amphibolite, Ashe Metamorphic Suite, North Carolina. Blue Ridge Province of Appalachian Mountains. (171118-2)
Download ImageExposed water table in quarry, Spokane, WA
Exposed water table (Spokane Aquifer) in quarry, Spokane, Washington (150705-38)
Download ImageMazama ash filling channel near Spokane, WA
Volcanic ash from eruption of Mt. Mazama (Crater Lake) filling channel near Spokane, Washington (150705-35)
Download ImageMazama ash filling channel near Spokane, WA
Volcanic ash from eruption of Mt. Mazama (Crater Lake) filling channel near Spokane, Washington. (150705-32)
Download ImagePegmatite dikes cutting gneiss, Washington
Pegmatite dikes cutting Cretaceous Newman Lake Gneiss, Washington (150705-10)
Download ImageMetasedimentary rock of Prichard Fm, Washington
Metasedimentary rock of Proterozoic Prichard Fm, Washington (150705-5)
Download ImageGravel bars in Kettle River, Washington
Gravel bars in Kettle River, Washington (150704-48)
Download ImageSteptoe Butte, Washington
Steptoe Butte, an isolated exposure of erosionally resistant quartzite in eastern Washington. Note the bedding near the top of the butte and the wheatfield and loess of the Palouse below. (150703-75)
Download ImageSteptoe Butte, Washington
Steptoe Butte, an isolated exposure of erosionally resistant quartzite in theh Palouse of eastern Washington. Notice the bedding near its top. (150703-71)
Download ImageLoess and wheat fields of the Palouse, WA
Loess (windblown dust) and wheat fields of the Palouse, Washington (150703-58)
Download ImageLoess and wheat fields of the Palouse, WA
Loess (windblown dust) and wheat fields of the Palouse, Washington (150703-55)
Download ImagePaleosol between 2 basalt flows, Washington
Paleosol between 2 basalt flows, Washington (150703-47)
Download ImageLava Flows of Columbia River Basalt Group, Washington
Lava Flows of Grande Ronde and overlying Wanapum basalts and deeply incised Palouse River, Washington (150703-38)
Download ImageColumbia River and Wanapum Basalt (Pan)
Columbia River and cliffs of Wanapum Basalt (Columbia River Basalt Group) (150703-13)
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Wallula Gap, Washington (Pan)
Wallula Gap and Columbia River, Washington (150702-106)
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