The Brazil Formation is a geologic formation in Indiana consisting of shale, sandstone, clay, and coal. It preserves fossils dating back to the Carboniferous period
The Brazil Formation is a geologic formation in Indiana consisting of shale, sandstone, clay, and coal. It preserves fossils dating back to the Carboniferous period (en)
The Brazil Formation is a geologic formation in Indiana consisting of shale, sandstone, clay, and coal. It preserves fossils dating back to the Carboniferous period (en)