December 23, 2024
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Wyoming State Geological Survey
Wyoming State Geological Survey Releases New Map of the Firehole Canyon Quadrangle
The Wyoming State Geological Survey (WSGS) has published a new geological bedrock map titled Preliminary Geologic Map of the Firehole Canyon 30' x 60' Quadrangle, Sweetwater County, Wyoming, Daggett County, Utah, and Moffat County, Colorado, authored by Derek Lichtner and Colby Schwaderer. This map and accompanying report offer an in-depth look at the geological formations and history of the Firehole Canyon area in southwestern Wyoming.
“This map provides a detailed look at the unique geology of the Firehole Canyon region,” said Dr. Erin Campbell, WSGS Director and Wyoming State Geologist. “This publication is a valuable resource for researchers, land managers, industry professionals, and anyone curious about Wyoming’s geologic history.”
The Firehole Canyon quadrangle lies in the southwestern part of Wyoming and includes portions of the Rock Springs Uplift, Bridger Basin, and the northern flank of the Uinta Mountains. The map highlights the region's diverse geological formations, some dating back to the Late Cretaceous. It also traces major geological events, including the formation of the Sevier foreland basin and its later transformation into a series of intermontane basins during the Laramide orogeny.
The Preliminary Geologic Map of the Firehole Canyon 30' x 60' Quadrangle (Open File Report 2024-1) is part of the WSGS's initiative to map Wyoming's geology at a scale of 1:100,000. The map is available as a free PDF download or as a hardcopy for purchase. A complementary 13-page report provides an overview of the region’s geological history and details on previous mapping efforts, which were compiled and verified in the field during this project.
This project was funded in part by the U.S. National Cooperative Geologic Mapping Program (STATEMAP), managed by the U.S. Geological Survey.
Preliminary Geologic Map of the Firehole Canyon 30' x 60' Quadrangle, showing the region’s complex geology, including parts of the Rock Springs Uplift, Bridger Basin, and Uinta Mountains. Created by the Wyoming State Geological Survey at 1:100,000 scale.
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