Approximately 18 square miles are included in the study area which lies 17 miles southwest of the town of Dillon, Montana. Strata exposed in the area include metamorphic, sedimentary, and volcanic rocks ranging in age fr ...

Over 10,000 feet of marine and nonmarine Late Cretaceous sedimentary rocks are exposed within a 110 square mile area in northeastern Teton County, Wyoming. An additional 1400 feet of nonmarine Paleocene and Miocene rocks ...

The Garnet Range-Bearmouth area of western Montana was the depositional site for basinal, platform slope, shelf, and peritidal Mississippian carbonate rocks. The following stratigraphic units, listed in ascending orde ...

The bedrock of Thetis, Kuper, and seven adjacent islands and islets of British Columbia's Gulf Islands consists of four Late Cretaceous (Campanian) formations of the Nanaimo Group. The four, from oldest to youngest, a ...

Clastic sedimentary rocks of the Nanaimo Group on Saltspring Island, British Columbia are Late Cretaceous in age, overlie a deformed and intruded Paleozoic basement complex, and consist of eight formations. These eight ...

The Middle and West Forks of Little Sheep Creek in the southern Tendoy Range have incised valleys across Cenozoic structural features exposing strata that range in age from the Mississippian to the Neoene. Paleozoic stra ...