1.6 billion years of Earth history in Nuvvuagittug from the 4.3 billion year dark rocks to the 2.7 billion year old pegmatites (white stripes) (Photo by Rick Carlson)
Photo by Lindy Elkins-Tanton, DTM.
Monserrat's Sougriere Hills Volcano. (Photo by Michael Acierno, DTM)
On the road to Mount Heckla, located on the south of Iceland. [Photo by Michael Acierno, DTM]
"Double O Arch" in one of the countless rock fins of the Entrada Sandstone along the flank of the Salt Valley Anticline in Arches National Park, near Moab, Utah. (Photo by Christian Klimczak, DTM)