Coal with fern fossil in shale rock

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Size: 6192px × 4416px
Photo credit: © MShieldsPhotos / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ancient, anthracite, black, carboniferous, coal, compression, cut, cutout, epoch, era, extinct, fern, formation, fossil, fossilized, fuel, fuels, geology, imprint, isolated, llewellyn, lumps, mineralized, outline, paleontology, pennsylvanian, prehistoric, preserved, rock, rocks, sedimentary, shale, silo, white