Load casts and flame structure in Precambrian sandstone-shale (quartzite-argillite) of the Grinnell Formation, Montana, USA.

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Size: 5616px × 3744px
Location: northern Montana, USA
Photo credit: © Marli Miller / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ancient, bedding, bedrock, beds, belt, casts, close-, cross-bedding, denser, density, detail, differences, earth, field, flame, formation, geology, glacier, granular, grinnell, layering, load, macro, montana, mudstone, national, park, photo, precambrian, proterozoic, quartzite, red, rock, rocks, sandstone, science, sediment, sedimentary, shale, sinking, stratification, structure, structures, supergroup, waterton-glacier, white