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Incised meander, Kentucky River

Incised meander of the Kentucky River, Kentucky. Rock in foreground is Ordovician Lexington Limestone. (171116-33)
Download ImageMt. St. Helens , WA (Pan)

View of Mt. St. Helens stratovolcano from near Johnston Ridge Observatory, Washington. Photo shows the crater, lava dome, and devastation area from the 1980 eruption. (150801-32Pan)
Download ImageLoess on basalt, Washington

Loess (windblown dust) on basalt, eastern Washington. (151111-22)
Download ImageLoess on basalt, Washington

Loess (windblown dust) on basalt, eastern Washington. (151111-20)
Download ImageFlows of Wanapum Basalt, WA

Flows of Wanapum Basalt (Columbia River Basalt Group) exposed in cliffs along Frenchman Coulee, Washington. photo shows flow contacts, colonnade, and entablature. (151110-86)
Download ImagePillow basalt and palagonite, Washington

Outcrop showing pillow basalt of the Wanapum member of the Columbia River Basalt Group. Orange material is palagonite. Washington (151110-63)
Download ImagePliocene-age river gravels, Washington

Thorp Gravel, a Pliocene deposit of the early Yakima River near Ellensburg, Washington (151110-54)
Download Imagegravel-filled channel

Gravel- and cobble-filled channel in Ellensburg Formation, Washington. (151110-48)
Download ImageMeander Bend, Yakima River, WA

Meander Bend in Yakima River, Washington. Note gravel point bar on inside bend. (151110-43)
Download ImageNormal fault in Ellensburg Fm., Washington

Normal fault in Ellensburg Fm., Washington (151110-34)
Download ImageLummi Island, Washington (Pan)

View across Bellingham Bay to Lummi Island–one of the San Juan Islands, Washington (151108-102)
Download ImagePeridotite: fresh and weathered surfaces

Peridotite: fresh and weathered surfaces (151108-37)
Download ImageRainbow Falls and Chehalis River, WA

Chehalis River spills over an outcrop of Grande Ronde Basalt (Columbia River Basalt Group) at Rainbow Falls in the Coast Range of Washington. (151107-27f)
Download ImageTidal flat, Puget Sound, Washington

Tidal flat at low tide, Nisqually Delta, Puget Sound, Washington (151020-44)
Download ImageFanning columns in andesite flow, WA

Fanning columns (cooling fractures) in andesite lava flow of Mount Baker, Washington (150916-61)
Download ImageMelange, Washington

Highly deformed rock of Bell Pass Melange, Washington. (150916-23)
Download ImageMt. Baker stratovolcano, Washington

Mt. Baker stratovolcano and glaciers, Washington (150916-4)
Download ImageMt. Shuksan, Washington

Glaciated Mount Shuksan, made of rock of the accreted Easton Terrane, Washington (150915-13)
Download ImageHoneycomb weathering in sandstone, Washington

Honeycomb weathering (tafoni) in sandstone, Washington’s Olympic coast (150913-42)
Download ImageGraded turbidite beds -overturned

Graded turbidite beds -overturned and cut by small fault with normal separation. Miocene Hoh Assemblage, Washington. (150913-33)
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