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Colonnade in basalt flow, Oregon
Colonnade in basalt flow of the Grande Ronde Basalt –of the Columbia River Basalt Group (CRBG), Latourell Falls, Oregon (190928-30)
Download ImageFlow banding in obsidian, Oregon
Close-up view of folded flow banding in obsidian (rhyolite), Oregon Cascades. Photo is about 30 cm across the bottom. (130918-13)
Download ImageClose-up view of folded flow banding in obsidian, Oregon
Flow banding in obsidian (rhyolite), Oregon Cascades (130918-12)
Download ImageMonocline and San Juan River, Utah
Monocline and San Juan River near Mexican Hat, Utah (9OtR-040.SrD-26)
Download ImageSlaty cleavage and bedding in limestone
Slaty cleavage and bedding in limestone of Mississippian Madison Group, Montana. (SrD-46.4511-49)
Download ImageSlaty cleavage and bedding
Slaty cleavage and bedding in sandstone and shale of Cambrian Cararra Formation, Death Valley, California. (SrD-45.4511-47)
Download ImageAxial Planar cleavage in quartzite
Slaty cleavage, parallel to axial planes in folded quartzite. Cleavage is developed in the thinner, finer-grained beds (4511-46) bedding
Download ImageCollapsed sea cave, Oregon (square)
Collapsed sea cave, Devils Punchbowl, Oregon coast, (180812-67f)
Download ImageGhost Forest, Oregon
Stumps of Sitka Spruce, drowned from subsidence during a subduction zone earthquake some 1600 years ago (180629-152)
Download ImageGhost Forest, Oregon
Barnacle-encrusted stumps of Sitka Spruce, drowned from subsidence during a subduction zone earthquake some 1600 years ago (180629-151)
Download ImageGhost Forest, Oregon
Barnacle-encrusted stumps of Sitka Spruce, drowned from subsidence during a subduction zone earthquake some 1600 years ago (180629-128)
Download ImageSoft-sediment deformation (Pan)
Panorama view of soft-sediment deformation in Miocene Astoria Formation, Devils Punchbowl, Oregon Coast (180629-57)
Download ImageSoft-sediment deformation, Oregon
Soft-sediment deformation in Miocene Astoria Formation, Devils Punchbowl, Oregon Coast (180629-56)
Download ImageStump of spruce tree drowned from Earthquake
Closeup view of preserved wood in tree stump, drowned during a Cascadia subduction zone earthquake. (180629-30)
Download ImageGhost Forest, Oregon
Barnacle-encrusted stumps of Sitka Spruce, drowned from subsidence during a subduction zone earthquake some 1600 years ago (180629-25)
Download ImageGhost Forest, Oregon (vertical)
Barnacle-encrusted stumps of Sitka Spruce, drowned from subsidence during a subduction zone earthquake some 1600 years ago (180629-22)
Download ImageGhost Forest, Oregon
Barnacle-encrusted stumps of Sitka Spruce, drowned from subsidence during a subduction zone earthquake some 1600 years ago (180629-18)
Download ImageUplifted marine terrace, Oregon (Pan)
Panorama view of uplifted marine terrace, exposing the angular unconformity between Pleistocene coastal deposits above tilted Miocene Astoria Formation. Devils Punchbowl, Oregon. (170909-13)
Download ImageSlump blocks, Oregon Coast
Slump blocks of sandstone, Devils Punchbowl, Oregon (170909-10)
Download ImageErosion along fault, Oregon Coast (square)
Erosion along fault, Devils Punchbowl, Oregon Coast (170909-4)
Download ImageTyndall Glacier, Rocky Mtn NP, CO
Tyndall Glacier, at the top of a cirque in Chaos Canyon, Rocky Mountain National Park, Colorado (5D08-5358)
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