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Mt. McLoughlin volcano Oregon
Mt. McLoughlin, the southernmost Cascade stratovolcano in Oregon. (260315-5)
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Blueschist
Blueschist, Bandon, Oregon. The dark blue layers contain glaucophane (260306-35)
Download ImageGlaucophane blueschist, Oregon
Glaucophane crystals in blueschist, Bandon, Oregon (260306-32)
Download ImageSurf impinging on headland, Oregon
Tilted Eocene Coaledo Formation at Shoreacres State Park, Oregon and high Pacific surf. (260305-48)
Download ImageUpwards-fining deltaic sequences, OR, OR
Upwards-fining sequences in deltaic sedimentary rocks of the Eocene Coaledo Formation, Cape Arago, Oregon (260305-20)
Download Imagechilled margin of basalt pillow
Closeup view of the chilled margin of a pillow basalt of the Eocene Siletzia accreted terrane, Oregon (260305-2)
Download ImagePlagioclase in basalt
Bladed plagioclase crystals in Upper Eocene Yachats Basalt, Oregon coast. Photo is about 10 cm across the bottom. (260118-10)
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Miocene Wanapum Basalt
Cliffs of Wanapum Basalt of the Miocene Columbia River Basalt Group, near Wishram, Washington (260116-4)
Download ImageBraided pattern in beach sand, Oregon
Braided pattern in beach sand, Oregon (251230-32)
Download Imagesheet wash, channeled, braided in sand
Sheet wash flow to channelized to braided patterns in beach sand, Oregon Coast. (251230-28)
Download ImageSoft-sediment deformation (vertical)
Soft-sediment deformation. Note the ptygmatic folding of the sandstone. Eocene Coaledo Formation, Oregon. (251230-7)
Download ImageSoft-sediment deformation
Soft-sediment deformation. Note the ptygmatic folding of the sandstone. Eocene Coaledo Formation, Oregon. (251230-5)
Download ImageCoos Bay Estuary at high tide, Oregon
Coos Bay Estuary at high tide, Oregon. The estuary is a bar-built estuary as the sandy area in the background is a spit (251231-7)
Download ImageCoos Bay Estuary at low tide, Oregon
Coos Bay Estuary at low tide, Oregon. The estuary is a bar-built estuary as the sandy area in the background is a spit (the far background is made of clouds, not hills) (251231-1)
Download ImagePumpkin Spring, Grand Canyon, AZ
Pumpkin Spring, Grand Canyon National Park, Arizona (IP2605-2822) thermal, mineralization, arsenic
Download ImageGreat Unconformity, Grand Canyon, AZ
Great unconformity. Nonconformity between Cambrian Tapeats Sandstone overlying Proterozoic Basement rock. Grand Canyon National Park, Arizona (IP2605-2612)
Download ImageDelta Sediments, Lake Mead, NV-AZ
Sediments of the Colorado River delta at the edge of Lake Mead, Arizona (260524-36)
Download ImageDelta Sediments, Lake Mead, NV-AZ
Sediments of the Colorado River delta at the edge of Lake Mead, Arizona. (260524-29)
Download Imagetopography on Great Unconformity, AZ
Topographic relief on the Great Unconformity: Cambrian Tapeats Sandstone on Proterozoic Granite. Lower Grand Canyon, Arizona (250524-20)
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