Cambrian Stratigraphy of Northwestern Wyoming

Recent Discoveries Oe Cambrian Beds in the Northwestern United States

The Neoproterozoic-Cambrian Transition in Central Spain with a Discussion of Terminal Ediacaran Stratigraphy

Stratigraphy and Depositional Environment of the Mesaverde Group in the Northern Bighorn Basin of Wyoming

A sedimentological, stratigraphical and palynological study was conducted on the upper Cretaceous (Campanian) Mesaverde Group over 27.5 km of a north-south-orientated outcrop belt in the northern Bighorn Basin, Wyoming. During the Campanian, the study area lay in the western part of the Cretaceous Western Interior Seaway. The study aims to provide a stratigraphic and paleoenvironmental analysis...

Revised Tertiary Stratigraphy and Paleontology of the Western Beaver Divide, Fremont County, Wyoming

Emry, Robert J. Revised Tertiary Stratigraphy and Paleontology of the Western Beaver Divide, Fremont County, Wyoming. Smithsonian Contributions to Paleobiology, number 25, 20 pages, 6 figures, 1975.•In the western Beaver Divide area in west-central Wyoming, a lens of coarse Tertiary volcanic conglomerate and tuff disconfqrmably overlies Uintan rocks of the Wagon Bed Formation. The coarse volcan...

δ13C Stratigraphy of the Birmania Basin, Rajasthan, India: Implications for the Vendian- Cambrian Transition

Overview The paleogeographic reconstruction of the late Neoproterozoic assumes a marked significance due to the fact that the interactions between the biosphere, atmosphere, hydrosphere, and geosphere during this time strongly influenced the evolution of life and initiated a remarkable phase of organic evolution, well documented in the rocks of this age. Time-related changes in these carbon res...