petechar:
Munds Mountain Wilderness - Arizona
A W (Tony) Grover:
Northern Badwater from Queen of Sheba mine - Death Valley
geoexplorernook.com:
Pálvölgyi Cave
filipebalata:
Cabeça da Velha - Sortelha
Bilderschreiber:
Litlanesfoss and Basalt in Austurland, Iceland
A W (Tony) Grover:
Southern Death Valley
Sylvester Atn Supertramp:
Dans les ocres
petechar:
Canyon - California
A W (Tony) Grover:
Old talc mine - Death Valley
petechar:
Badlands - California
OttawaRocks:
Chrysocolla Specimen at the 2024 Tucson Gem and Mineral Show. From the Planet mine, Arizona
Burlingamebarley:
SEDIMENTARY ROCKS
Gosport Flyer:
RX406068