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–then click on the image to see a larger version in its correct format, a more detailed caption, and an ID number.

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Pahoehoe lava, Oregon

Holocene Pahoehoe basalt at Diamond Craters, Oregon (200607-123)
Download ImagePahoehoe lava, Oregon

Holocene Pahoehoe basalt at Diamond Craters, Oregon (200607-122)
Download ImagePahoehoe basalt, Oregon

Pahoehoe lava, erupted on the edge of the ~7500 year old Diamond Craters Lava field, Oregon. (200607-108)
Download ImagePahoehoe basalt, Jordan Craters, Oregon

Pahoehoe basalt and scoria, Jordan Craters, Oregon (200607-86)
Download ImagePahoehoe lava and cinder cones, Idaho

Pahoehoe lava and cinder cones in Craters of the Moon National Monument, Idaho (100628-63)
Download ImagePahoehoe basalt and recent lava flow, Oregon

Pahoehoe (ropy) basalt and recent lava flow, Diamond Craters, Oregon (191209-54)
Download ImageTumulus in pahoehoe basalt flow, Iceland

Tumulus in pahoehoe lava flow, Iceland, showing fractured outer surface (180912-179)
Download ImageTumuli in pahoehoe basalt flow, Iceland

Tumuli in pahoehoe lava flow, Iceland, showing fractured outer surfaces (180912-176)
Download ImagePahoehoe and rift, Iceland

Pahoehoe basalt and west edge of western Rift Zone, Iceland–part of the mid-Atlantic ridge. Basalt flows form the cliff behind. (180906-134)
Download ImagePahoehoe and Rift, Iceland (vertical)

Pahoehoe basalt and west edge of western Rift Zone, Iceland–part of the mid-Atlantic ridge. Basalt flows form the cliff behind. (180906-57)
Download ImagePahoehoe basalt and spatter cone, Mauna Loa

Pahoehoe basalt and spatter cone, Mauna Loa volcano. Cinder cones in background. Hawaii Volcanoes National Park. (170917s-23)
Download ImagePahoehoe basalt and cinder cone, Mauna Loa

hikers on pahoehoe basalt flow; cinder cone in background. Hawaii Volcanoes National Park. (170917s-14)
Download ImagePahoehoe basalt and Holei Pali, Hawaii

Pahoehoe basalt and Holei Pali, Hawaii Volcanoes National Park. (170920-124)
Download ImagePahoehoe basalt and cinder cone (vertical)

Pahoehoe basalt and cinder cone, Hawaii Volcanoes National Park. (170918s-127)
Download ImagePahoehoe basalt and cinder cone

Pahoehoe basalt and cinder cone, Hawaii Volcanoes National Park. (170918s-126)
Download ImagePahoehoe and aa basalt, Mauna Loa

Pahoehoe and aa basalt, Mauna Loa. Cinder cone in background. Hawaii Volcanoes National Park. (170918s-103)
Download ImageAa and pahoehoe flows and cinder cone

Aa and pahoehoe basaltic lava flows and cinder cone, Mauna Loa volcano, Hawaii Volcanoes National Park. (170917s-35)
Download ImagePahoehoe and aa basalt, Hawaii

Pahoehoe and aa basalt, Hawaii Volcanoes National Park. (170914-25)
Download ImagePahoehoe and aa basalt, Hawaii

Pahoehoe and aa basalt, Hawaii Volcanoes National Park. (170914-19)
Download ImageFlowing pahoehoe, Hawaii. (vertical)

Flowing pahoehoe lava flow, Hawaii. Profile of Kilauea shield volcano in background. (ID: Vc-37)
Download Image
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