Tracey J. Mercier Cheryl A. Woodall Thomas M. Finn Stephanie B. Gaswirth Kristen R. Marra Phuong A. Le Michael E. Brownfield Heidi M. Leathers-Miller Ronald M. Drake II Scott A. Kinney Christopher J. Schenk 2019 <p>The U.S. Geological Survey (USGS) quantitatively assessed the&nbsp;potential for undiscovered, technically recoverable continuous oil and gas&nbsp;resources in the Eastern Great Basin Province (Anna and others, 2007) of&nbsp;Nevada, Utah, and Idaho (fig. 1). The assessment focused on the area of&nbsp;the province between the Roberts Mountains and Sevier thrust systems&nbsp;(Peterson, 1994). The major petroleum source rocks within this area are the&nbsp;Upper Devonian–Lower Mississippian Pilot Shale and the Mississippian&nbsp;Chainman Formation (Gutschick and Rodriquez, 1979; Poole and Claypool,&nbsp;1984; Giles, 1994; Trexler and others, 1995). The geologic model applied&nbsp;to the Pilot Shale and shales in the Chainman Formation is for these shales&nbsp;to have achieved generative maturity for oil by burial to at least 8,700 feet&nbsp;(2,652 meters) within some of the Neogene extensional basins (Grabb, 1994;&nbsp;Anna and others, 2007). Areas that satisfy this depth requirement were&nbsp;defined using modeled gravity data that were calibrated to the petroleum&nbsp;system in Railroad Valley and Pine Valley in Nevada (Barker and Peterson,&nbsp;1991; Ïnan and Davis, 1994; Meissner, 1995; Anna and others, 2007).&nbsp;</p> application/pdf 10.3133/fs20193002 en U.S. Geological Survey Assessment of continuous oil resources in the Eastern Great Basin Province of Nevada, Utah, and Idaho, 2018 reports