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This document summarizes a thesis on the depositional environments and stratigraphic relationships of the Upper Cretaceous Pierre Shale, Trinidad Sandstone, and Vermejo Formation in the Raton Basin of Colorado. The thesis involved fieldwork in outcrops in Las Animas County, Colorado to analyze sedimentary structures, textures, and trace fossils to interpret the fluvial, coastal, and offshore marine depositional environments represented. The Pierre Shale, Trinidad Sandstone, and overlying coal-bearing Vermej

Author

Yadira Rosado

Language

EN