The Chainman Shale is a geologic formation in Utah, mostly identical to the White Pine Shale. It preserves fossils dating back to the Carboniferous period.
The Chainman Shale is a geologic formation in Utah, mostly identical to the White Pine Shale. It preserves fossils dating back to the Carboniferous period. (en)
The Chainman Shale is a geologic formation in Utah, mostly identical to the White Pine Shale. It preserves fossils dating back to the Carboniferous period. (en)