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Wave-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)
Download ImageHummocky Cross-stratification
Hummocky Cross-stratification, Eocene Coaledo Formation, Oregon (130203-59)
Download ImageHummocky Cross-stratification
Hummocky Cross-stratification, Eocene Coaledo Formation, Oregon (130203-58)
Download ImageHummocky Cross-stratification
Hummocky Cross-stratification, Eocene Coaledo Formation, Oregon. US quarter for scale. (130203-57)
Download Imagemetaconglomerate, NE Maine (vertical)
metaconglomerate along the Maine coast. (IP18-6775)
Download ImageCross-cutting dikes, Maine (Vertical)
Cross-cutting diabase dikes. Oldest is the light green one on left; 2nd is the darker one on the right; 3rd is the narrow dark one in the left-center. The granite country rock is in the background. (180715-122)
Download ImageDiabase dike intruding metaconglomerate (vertical)
Diabase dike intruding metaconglomerate, SE Maine. Note chilled margins of dike. (180715-106)
Download ImageDiabase dike intruding metaconglomerate, NE Maine
igneous, intrusive, intrusion, mafic
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