Kingdome (now destroyed) and Mt Ranier (Photo © Duncan Heron)If you wish to use any of these photos, contact duncan.heron@duke.edu.
For larger view, click on picture or words.
Kingdome (now destroyed) and Mt Ranier (Photo © Duncan Heron)
Ship
Rock, New Mexico (Photo © Duncan Heron)
Ship
Rock and Dike (Photo © Duncan Heron)
Ship
Rock from Air (Photo by John Harrington)
Shiprock Dike Wall (Photo by Jim Mueller)
Devil's Tower (Photo by Jim Mueller)
*Diabase
Dike Cutting Granite (Photo © Duncan Heron) Winnsboro, SC
Dike
(Weathered) Cutting Triassic Sediments (Photo © Duncan Heron) Durham County, NC
Dike
forming Ridge (Photo by John Harrington)
Dike
on Mt Moran, Grand Tetons National Park (Photo © Duncan Heron)
Boulders from Weathered Dike, Duke University West Campus (Photo © Duncan Heron)
Contact of Dike & Country Rock (Photo © Duncan Heron) Duke University West Campus
Map
of Duke University West Campus Dike (Mapping by Duncan Heron)
Sill
in Holyrood Park, Edinburgh, Scot. (Photo © Duncan Heron)
Dip
Slope of Sill (Photo © Duncan Heron) Edinburgh, Scot.
Sill -
Country Rock Contact (Photo © Duncan Heron) Edinburgh, Scot.
Stone
Mt, GA from Air (Photo © Duncan Heron)
Generalized Geologic Map of Durham, NC Area (Source, Region J COG)
Dike
with Inclusions (Xenoliths) (Photo © Duncan Heron) Bacon Quarry, Orange County, NC
Granitic Rock with Inclusions (Photo © Duncan Heron) Bacon Quarry, Orange County, NC
*Contact Metamorphism Adjacent to Dike (Photo © Duncan Heron) Durham County, NC
Contact Zone (White) Adjacent to Dike (Photo © Duncan Heron) Winnsboro, SC
Closeup of Contact Zone (Photo © Duncan Heron) Winnsboro, SC
*Small
Thrust Fault (Photo © Duncan Heron) East TN
Caticlastic Texture Produced by Dynamic Metamorphism (From a Thin Section by Sherman
Bloomer)
Hydrothermal Coloring of Yellowstone River Canyon (Photo © Duncan Heron) Yellowstone
National Park
Grand
Geyser Heated by Cooling Igneous Rocks (Photo © Duncan Heron) Yellowstone National
Park
Norris
Basin Hydrothermal Zone (Photo © Duncan Heron) Yellowstone National Park
Example of Ancient Hydrothermal Activity, Hillsborough, NC Pyrophyllite Mine (Photo ©
Duncan Heron)
Pyrophyllite Mineral (Photo © Duncan Heron) Hillsborough, NC
*Gneiss (Photo © Duncan Heron) Northwestern South Carolina
Closeup of Gneiss (Photo © Duncan Heron) Northwestern South Carolina
*Schist Showing Foliation (Photo © Duncan Heron) Western North Carolina
Slaty
Rock Cleavage (Photo © Duncan Heron) Arvonia, VA
Large
Scale Cleavage Plane (Photo © Duncan Heron) Arvonia, VA
Recrystallization of Limestone Makes Marble (Photo © Duncan Heron) Canada
Geologic Map of Ring Dike
Thin
Section of Schist