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Concretions
Eroded sandstone concretions and formations at Shore
Eroded sandstone concretions and formations at Shore
Mineral concretions at Shore Acres State Park, Oregon
80195637 Moqui Marbles: Iron Oxide concretions found
WEATHERED SPHEROID CONCRETIONS
The famous Rosans sandstone balls: spheres formed
Aerial View, Los Colorados, Tolar Grande, La Puna
Rock City, Kansas
Sand Stalactites in Australia
Sand Stalactites in Australia
Concretions Litter Badlands
Concretions coloured by sulphur, potassium and iron
Salt concretions coloured by sulphur, potassium
Salt concretions coloured by sulphur, potassium
Dallol hot spring with salt concretions coloured
Rock Strata w/ Lichen & Moss
Concretion on Prairie, Red Rock Coulee
Broken concretions, Red Rock Coulee
Concretions Litter landscape, Red Rock Coulee
Septarian Nodule
Septarian Nodule
Septarian Nodule
Polymetallic Nodules
Septarian Nodule
Moqui marbles
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