Lilian Alizert:
Bioturbations - Séquences de Bouma
Lilian Alizert:
Figures d'échappement / Load casts
Chief Bwana:
Toadstool warmup
rwgabbro1:
Geology of Fieldstone & Cobblestone Buildings, Part 20: Another Overall View of the Herrick House, Rockford, Illinois, USA (1847)
Chief Bwana:
Tree-t for geophysicists
rwgabbro1:
The Bounty of Bell Smith Springs, Part 10: Room with a View, Shawnee National Forest, Illinois, USA
Bernard Spragg:
PAPAROA NATIONAL PARK. Punakaiki .
rwgabbro1:
The Brownstone Chronicles, Part 24: Close-Up of the Central Façade, Old City Hall, Marquette, Upper Peninsula of Michigan, USA (1894)
Chief Bwana:
Sandstone stains with Buckskin Gulch
Dru!:
In the Gorge
Dru!:
Forest Columns
rwgabbro1:
From Persimmon Gap to Boquillas Canyon, Part 13: Oh, What a Beautiful Faulting; Big Bend National Park, Texas, USA
Dru!:
Upper Macdonald Creek
rwgabbro1:
Architectural Geology of Dougga, Tunisia, Part 5: Another View of the Mausoleum of Ateban (2nd century BC) and the Diapir Zone
b.landscape:
Mokai Canyon
b.landscape:
Mangaweka Mudstone cliffs
Dru!:
Channel
Dru!:
In the Tube
rwgabbro1:
Architectural Geology of Byzantine Athens, Part 11: St. Catherine Church (late 11th to early 12th century AD; rebuilt in 1927)
Lilian Alizert:
Grenats, Omphacite, Amphiboles
Lilian Alizert:
Calcédoine nickélifère (Garniérite - Willemséite)
rwgabbro1:
Architectural Geology of Segovia, Spain, Part 26: Santissima Trinidad Church (12th Century AD)
Lilian Alizert:
Or de la Thy
rwgabbro1:
Geology of Fieldstone & Cobblestone Buildings, Part 19: The Herrick House, Rockford, Illinois, USA (1847)
rwgabbro1:
The Bounty of Bell Smith Springs, Part 9: Rock Shelters in the Canyon Wall, Shawnee National Forest, Illinois, USA
rwgabbro1:
Architectural Geology of Paestum, Part 3: Detail of the Interior of the Second Temple of Hera; Magna Graecia, Campania, Italy (ca. 450 BC)
rwgabbro1:
The Glory of Regional Silurian Dolostone, Part 29: Close-up of St. Sava Serbian Orthodox Cathedral, Lyons Park Neighborhood, Milwaukee, Wisconsin, USA (1958)
