Thermal maturity map of Devonian shale in the Illinois, Michigan, and Appalachian basins of North America
Scientific Investigations Map
3214
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Abstract
Much of the oil and gas in the Illinois, Michigan, and Appalachian basins of eastern North America is thought to be derived from Devonian shale that is within these basins (for example, Milici and others, 2003; Swezey, 2002, 2008, 2009; Swezey and others, 2005, 2007). As the Devonian strata were buried by younger sediments, the Devonian shale was subjected to great temperature and pressure, and in some areas the shale crossed a thermal maturity threshold and began to generate oil. With increasing burial (increasing temperature and pressure), some of this oil-generating shale crossed another thermal maturity threshold and began to generate natural gas. Knowledge of the thermal maturity of the Devonian shale is therefore useful for predicting the occurrence and the spatial distribution of oil and gas within these three basins. This publication presents a thermal maturity map of Devonian shale in the Illinois, Michigan, and Appalachian basins. The map shows outlines of the three basins (dashed black lines) and an outline of Devonian shale (solid black lines). The basin outlines are compiled from Thomas and others (1989) and Swezey (2008, 2009). The outline of Devonian shale is a compilation from Freeman (1978), Thomas and others (1989), de Witt and others (1993), Dart (1995), Nicholson and others (2004), Dicken and others (2005a,b), and Stoeser and others (2005).
Suggested Citation
East, J.A., Swezey, C., Repetski, J.E., and Hayba, D.O., 2012, Thermal maturity map of Devonian shale in the Illinois, Michigan, and Appalachian basins of North America: U.S. Geological Survey Scientific Investigations Map 3214, Sheet: 40.33 x 33.19 inches, https://doi.org/10.3133/sim3214.
ISSN: 2329-132X (online)
Study Area
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Thermal maturity map of Devonian shale in the Illinois, Michigan, and Appalachian basins of North America |
| Series title | Scientific Investigations Map |
| Series number | 3214 |
| ISBN | 978-1-4113-3503-5 |
| DOI | 10.3133/sim3214 |
| Year Published | 2012 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Publisher location | Reston, VA |
| Contributing office(s) | Eastern Energy Resources Science Center, Eastern Mineral and Environmental Resources Science Center |
| Description | Sheet: 40.33 x 33.19 inches |
| Country | United States |
| State | Alabama;Illinois;Indiana;Kentucky;Maryl;Michigan;Mississippi;New York;Ohio;Pennsylvania;Tennessee;Virginia;West Virginia |
| Other Geospatial | Appalachian Basin |
| Projection | Albers Equal-Area Conic projection |
| Additional Online Files (Y/N) | N |