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If you wish to use any of these photos, contact duncan.heron@duke.edu.
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Hawaii
Volcanoes Mouna Loa and Kilauea
*Pahoehoe Lava(Photo © Duncan Heron) Craters of the Moon National Monument
Lava
Pressure Ridge (Photo by © Duncan Heron) Craters of the Moon National Monument
Lava
Tube (Photo by David Page)
People
in Lava Cave (Photo © Duncan Heron) Craters of the Moon National Monument
*Aa
Lava (Photo © Duncan Heron) The Malpais, NM
Block
Lava (Photo © Duncan Heron) Craters of the Moon
Flow
Breccia (Photo by © Duncan Heron) Yellowstone National Park
West
Yellowstone Flow (Photo © Duncan Heron)
The
Malpais Flow near White Sands, NM
Pillow
Lava Tubes (Photo by Jeff Karson)
*Pillow Lava (Photo by Steve Hurst)
Tiatia
Volcano Eruption (Photo from NASA)
Cinders (Photo © Duncan Heron) Craters of the Moon
Cinder
Cone (Photo © Duncan Heron) Craters of the Moon
World
Distribution of Pinatubo Ash (Source Unknown)
Duke
University Chapel (Photo © Duncan Heron)
*Duke
Stone Meta-Tephra (Photo © Duncan Heron)
Grits
Cooking (Photo © Duncan Heron)
Mt
Pelee, Martinique (Photo © Duncan Heron)
Glowing Avalanch Deposit (Photo © Duncan Heron) From Mt. Pelee, Martinique
Eno
River Rapids (Photo © Duncan Heron) Fews Ford, Eno River State Park, NC
Tephra
Fragments on Eno River at Fews Ford (Photo © Duncan Heron) Eno River State Park, NC
Tephra
Fragments on Eno River at Fews Ford (Photo © Duncan Heron) Eno River State
Park, NC