Glacier Snout, North Cascades, Washington
Layered ice at snout of Lower Curtis Glacier –on Mt. Shuksan, northern Washington (20908-15)
Download ImageTalus cone, Washington (vertical)
Accumulated rock fall deposits on talus cone, northern Washington (200908-8)
Download ImageTalus cone and peaks, Washington
Accumulated rock fall deposits on talus cone, northern Washington (200908-4)
Download ImageLower Curtis Glacier and cirque, Washington
Lower Curtis Glacier and cirque, North Cascades, Washington (200908-2)
Download ImageMount Shuksan and glaciers, Washington
Mount Shuksan, Shuksan Arm, and glaciers, North Cascades, Washington (200907-64) ice
Download ImageMount Shuksan and glaciers, Washington
Mount Shuksan, and glacial tarn on Shuksan Arm, North Cascades, Washington (200907-56) ice
Download ImageMount Shuksan and glaciers, Washington
Mount Shuksan, and person standing next to glacial tarn on Shuksan Arm, North Cascades, Washington (200907-56) ice
Download ImageAplite dikes cutting metamorphic rock (vertical)
Aplite dikes cutting Darrington Phyllite, a metamorphic rock of the North Cascades, Washington (200907-32)
Download ImageTightly folded phyllite
Tightly folded phyllite, a low-grade metamorphic rock. Photo is about 1 meter across. (200907-30)
Download ImageAplite dike cutting metamorphic rock
Aplite dike cutting Darrington Phyllite, a metamorphic rock of the North Cascades, Washington (200907-28)
Download ImageFolded ribbon chert, Washington
Folded ribbon (radiolarian chert, North Cascades mountains, Washington (200907-14)
Download ImageMount Baker volcano, Washington
Mt. Baker, a glacier-covered stratovolcano in northern Washington (200907-7)
Download ImageMount Baker volcano, Washington
Mt. Baker, a glacier-covered stratovolcano in northern Washington (200907-5)
Download ImageMt. Hood and pyroclastic deposits (vertical)
Mount Hood, Oregon and pyroclastic deposits of the Timberline and Old Main eruptive periods (200905-8)
Download ImageMt. Hood and pyroclastic deposits
Mount Hood, Oregon and pyroclastic deposits of the Timberline and Old Main eruptive periods (200905-6)
Download ImageLava Butte cinder cone, Newberry, Oregon
Lava flow and vent from a cinder cone, Lava Butte, Oregon (200313-118)
Download ImageVolcanic bomb interior, Newberry, Oregon
Interior of a volcanic bomb, highly vesiculated from expanding gases. Lava Butte Cinder Cone, Newberry volcano (190608-67)
Download ImageLithophysae in Ash Flow Tuff, Oregon (vertical)
Lithophysae in Rattlesnake Ash Flow Tuff, Oregon (181017-3)
Download ImageMt. Hood stratovolcano, Oregon
Mt. Hood and its fan of pyroclastic material, deposited during a sector collapse between 1700-1400 years ago. (130901-49)
Download ImageView into collapsed sea cave, Oregon
Hikers standing in a collapsed sea cave at low tide, Devils Punchbowl, Oregon (130428-18)
Download ImageMount Washington, Oregon Cascades
Mount Washington, the eroded volcanic neck of a shield volcano in the Oregon Cascades. (200704-26)
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