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Basaltic feeder dikes, Steens Mtn., Oregom
Feeder dikes and lava flows of Steens Basalt, Steens Mountain, Oregon. (181017-36)
Download ImageGlacial Valley, Steens Mountain, Oregon
Glacial, U-shaped valley carved into lava flows of Steens Basalt. Wildhorse Canyon, Steens Mountain, Oregon (181017-33)
Download ImageGlacial Valley, Steens Mountain, Oregon
Glacial, U-shaped valley, eroded into lava flows of the Steens Basalt. Big Indian Creek Canyon, Steens Mountain, Oregon (181017-25)
Download ImageTumalo in basaltic lava flow, Oregon
Tumalo in basaltic lava flow. Diamond Craters, Oregon (181017-20)
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Ash flow tuff. Smith Rock State Park, Oregon
Ash flow tuff. Smith Rock State Park, Oregon. Reddish tower on the right side is a rhyolite dike. (181016-32)
Download ImageAsh flow tuff. Smith Rock State Park, Oregon
Ash flow tuff and Crooked River, Smith Rock State Park, Oregon. (181016-28)
Download ImageIceland’s W Rift Zone (Pan)
Iceland’s western Rift Zone at Thingvellir National Park. (Thingvellir2pan) extension, normal faults, scarps
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Acadian Granite, Maine
Acadian granite atop Cadillac Mountain in Acadia National Park, Maine (100608-127)
Download ImageRoche Moutonee, Maine (Pan)
Group of roche Moutonee in Frenchman Bay, Maine. The asymmetry of these glacial erosional features indicates left -to -right (east to west) ice movement. (100608-101)
Download ImageRoche Moutonee, Maine
Roche Moutonee in Frenchman Bay, Maine. The asymmetry of this glacial erosional feature indicates left -to -right (east to west) ice movement. (100608-97)
Download ImageRoche Moutonee, Maine
Roche Moutonee in Frenchman Bay, Maine. The asymmetry of this glacial erosional feature indicates left -to -right (east to west) ice movement. (100608-87)
Download ImageGlacial Erratic, Maine (vertical)
Giant granitic boulder, a glacial Erratic on top Cadillac Mountain, Acadia National Park, Maine. (100608-72)
Download ImageGlacial Erratic, Acadia National Park, Maine.
Giant granitic boulder, a glacial Erratic on top Cadillac Mountain, Acadia National Park, Maine. (100608-70)
Download ImageRoche Moutonee, Maine
View of Roche Moutonee in Frenchman Bay, Maine from the summit of Cadillac Mountain in Acadia National Park. Movement of glacial ice was left to right (west to east) (100608-66)
Download ImageRoche Moutonee, Maine
Roche Moutonee in Frenchman Bay, Maine. The asymmetry of this glacial erosional feature indicates left -to -right ice movement. (100608-63)
Download ImageVegetation exploiting fractures in granite, Maine
Vegetation exploiting fractures in granite, Acadia National Park, Maine. (100608-59)
Download ImageVegetation and fractures, Maine (vertical)
Vegetation exploiting fractures in granite, Acadia National Park, Maine. (100608-56)
Download ImageJointing in granite bedrock, Maine.
Jointing (unloading joints) in granite bedrock, Acadia National Park, Maine. (100608-22)
Download ImageBoat dock showing tidal range, Maine
Boat dock showing large tidal range along an estuary in NE Maine (100607-29)
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