Chuck Sutherland:
Athawominee, Bledsoe County, Tennessee
Txaro Franco:
Frente norte del glaciar Perito Moreno
rwgabbro1:
Architectural Geology of Dougga, Tunisia, Part 5: Another View of the Mausoleum of Ateban (2nd century BC) and the Diapir Zone
UniversalArtFactory:
Holywell Bay rock
Txaro Franco:
Frente del Glaciar Perito Moreno
Txaro Franco:
Playa de Gulpiyuri
rwgabbro1:
Architectural Geology of Byzantine Athens, Part 11: St. Catherine Church (late 11th to early 12th century AD; rebuilt in 1927)
murielrocher:
Entrée du Parc de Timanfaya, Lanzarote (Canaries)
murielrocher:
Parque Nacional de TimanfayaLanzarote (Canaries)
rwgabbro1:
Graveyard Geology of Chicago, Part 18: Close-up of the Plinth of the William M. Hoyt Monument, Graceland Cemetery, Uptown Neighborhood (1883)
swissgeologyfan:
Warner Valley Utah
UniversalArtFactory:
Holywell Bay rock
isle_of_arran:
John Day Fossil Beds, Columnar Jointing [2]
isle_of_arran:
John Day Fossil Beds, Columnar Jointing
isle_of_arran:
John Day Fossil Beds National Monument, Central Oregon
Lilian Alizert:
Grenats, Omphacite, Amphiboles
swissgeologyfan:
Switzerland 2023
Lilian Alizert:
Calcédoine nickélifère (Garniérite - Willemséite)
rwgabbro1:
In and About Tuff Canyon, Part 10: One Last View from the Rim, Big Bend National Park, Texas, USA
swissgeologyfan:
Lower Reaven Crack Utah
isle_of_arran:
Needle ice, Forest Park
rwgabbro1:
Geobrickology, Part 15: Chicago Common in All Its Grubby Glory, 235 W. Eugenie Street, Old Town Neighborhood, Chicago, Illinois, USA (1962)
Chuck Sutherland:
Rimstone detail, Hobbs Cave, Warren County, Tennessee
