Results for Bearpaw Shale and the Inland Ocean
Results for Bearpaw Shale and the Inland Ocean
Bearpaw Shale and the Inland Ocean
The black shale rocks seen in this area represent the muddy sediments deposited by the last ocean to exist in Montana. The shale, known by geologists as the Bearpaw Shale contains fossils of sea-going creatures that lived and died some ...
photo_library