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Concretions in sandstone (vertical)
Concretions in sandstone of Eocene Coaledo Formation, Oregon (140829-44)
Download ImageConcretion in sandstone
Concretion in sandstone of Eocene Coaledo Formation, Oregon (140829-42)
Download ImageTafoni in sandstone, Oregon.
Tafoni (honeycomb weathering) in sandstone, Sunset Bay, Oregon –likely a product of weathering brought on by salt crystallization. Uplifted marine terrace in background (140829-24)
Download ImageTafoni in sandstone, Oregon.
Tafoni (honeycomb weathering) in sandstone, Sunset Bay, Oregon –likely a product of weathering brought on by salt crystallization. Penny for scale (140608-91)
Download ImageTafoni in sandstone, Oregon.
Tafoni (honeycomb weathering) in sandstone, Sunset Bay, Oregon –likely a product of weathering brought on by salt crystallization (140608-60)
Download ImageAngular unconformity, Oregon
Angular unconformity between tilted Eocene Coaledo Formation and uplifted marine terrace sands, Sunset Bay, Oregon (140608-18)
Download ImageWave-cut platform and right-lateral faults (vertical)
Wave-cut platform and right-lateral strike-slip faults, Oregon. Rock is Eocene Coaledo Formation. (140608-7)
Download ImageWave-cut platform, Oregon
Wave-cut platform, and right-lateral strike-slip fault, Oregon. Rock is Eocene Coaledo Formation. (140608-3)
Download ImageEstuary at low tide, Oregon
Siuslaw River estuary at low tide, Mapleton, Oregon (140226-58)
Download ImageBoulder conglomerate, Oregon
Boulder conglomerate, Heceta Head, Oregon. Clasts are nearly all of Yachats Basalt. (140226-15)
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Slump and headscarp, Oregon coastline
Slump and headscarp, Oregon coastline (131123-8)
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Breaking wave as seen through sea arch, Oregon
Breaking wave as seen through a sea arch, eroded into sandstone of the Miocene Astoria Formation, Oregon (130428-1)
Download ImageHigh tide level, Oregon
High tide level, as seen during low tide, defined by intertidal invertebrates on sea stack, Bandon, Oregon coast. 130329-39)
Download ImageHigh tide level, Oregon
High tide level, as seen during low tide, defined by intertidal invertebrates on sea stack, Oregon 130329-37)
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Plane laminations in sandstone
Plane laminations in sandstone of Eocene Coaledo Formation, Oregon. (130203-65)
Download ImagePlane laminations in sandstone
Plane laminations in sandstone of Eocene Coaledo Formation, Oregon. Photo is about 15 cm across. (130203-64)
Download ImageHummocky Cross-stratification
Hummocky Cross-stratification, Eocene Coaledo Formation, Oregon. US quarter for scale. (130203-60)
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