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Article Thumbnail Image The Middle Devonian Marcellus Shale in the Appalachian basin extends from central Ohio on the west to eastern New York on the east, and from north-central New York on the north to northern Tennessee on the south. Its thickness ranges from 0 feet (ft) where it pinches out to the west to as much...
Wednesday, March 26, 2014  Type: Publication

Article Thumbnail Image Multivariate compositional data analysis methods were used to investigate geochemical data for water injected during hydraulic fracturing and for water produced from 19 Marcellus Shale gas wells in the northern Appalachian Basin. The data were originally published as part of an industry report...
Thursday, December 12, 2013  Type: Outside Publication

Article Thumbnail Image This map sheet with accompanying Geographic Information System (GIS) project is an update of the existing U.S. Geological Survey (USGS) Conterminous U.S. Coal Fields map. This update was compiled using data primarily from the USGS National Coal Resource Assessment (NCRA) and information from...
Tuesday, April 02, 2013  Type: Publication

Article Thumbnail Image Mathematicians and geochemists have long realized that compositional data intrinsically exhibit a structure prone to spurious and induced correlations. This paper demonstrates, using the Na–Cl–Br system, that these mathematical problems are exacerbated in the study of sedimentary basin brines by...
Thursday, December 13, 2012  Type: Outside Publication

Article Thumbnail Image 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. As the Devonian strata were buried by younger sediments, the Devonian shale was subjected to great temperature and pressure...
Monday, December 03, 2012  Type: Publication

Article Thumbnail Image The U.S. Geological Survey assessed unconventional oil and gas resources of the Upper Ordovician Utica Shale and adjacent units in the Appalachian Basin Province. The assessment covers parts of Maryland, New York, Ohio, Pennsylvania, Virginia, and West Virginia. The geologic concept is that black...
Thursday, October 04, 2012  Type: Press Release & Publication

Article Thumbnail Image Detailed and reconnaissance field mapping and the results of geochemical and mineralogical analyses of outcrop samples indicate that the Devonian shales of the Broadtop Synclinorium from central Virginia to southern Pennsylvania have an organic content sufficiently high and a thermal maturity...
Wednesday, October 03, 2012  Type: Publication

Article Thumbnail Image The Organic Petrology Laboratory (OPL) of the U.S. Geological Survey (USGS) Eastern Energy Resources Science Center in Reston, Virginia, contains several thousand processed coal sample materials that were loosely organized in laboratory drawers for the past several decades...
Thursday, September 27, 2012  Type: Publication

Article Thumbnail Image Samples of natural gas were collected as part of a study of formation water chemistry in oil and gas reservoirs in the Appalachian Basin. Nineteen samples (plus two duplicates) were collected from 11 wells producing gas from Upper Devonian sandstones and the Middle Devonian Marcellus Shale...
Monday, July 30, 2012  Type: Publication

Article Thumbnail Image Geologic cross section C–C′ is the third in a series of cross sections constructed by the U.S. Geological Survey (USGS) to document and improve understanding of the geologic framework and petroleum systems of the Appalachian basin. Cross section C–C′ provides a regional view of the structural and...
Tuesday, June 19, 2012  Type: Publication
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Overview

A fully loaded coal train winds through scenic Appalachia
Photo: A fully loaded coal train winds
through scenic Appalachia.

The Appalachian Basin Region is a physiographic province extending from Alabama to Maine and encompasses the eastern seaboard of the United States. Evidence suggests the complex geology of the region was formed by a series of continental plate collisions and deformation resulting in the Appalachian Mountains and large areas of elongated, faulted, and deformed ridges and valleys. Over time erosion has carried sediments seaward to the continental shelf and modified the landscape to the more familiar piedmont terraine. The region contains large amounts of natural resources and a long history of oil, gas, and coal production. The first oil wells in the U.S. were discovered in this province and research and assessments continue on these prolific coal and oil and gas deposits. This web site provides access to the diverse Energy Resources Program research activities and products within the Appalachian Basin Region.

Research

National Oil and Gas Assessments: Appalachian Basin Focus Area
National Oil and Gas
Assessments

National Oil and Gas Assessments

The USGS has completed several assessments of the Appalachian Basin. This information is summarized on the Oil and Gas Assessment Appalachian Basin page.


National Coal Resource Assessment: Appalachian Basin Focus Area
National Coal Resource
Assessment

National Coal Resource Assessment

The National Coal Resource Assessment (NCRA) project was a multi-year effort by the U.S. Geological Survey (USGS) Energy Program to identify, characterize, and assess the coal resources that will supply a major part of the Nation’s energy needs during the next few decades. NCRA data and publications are available on the NCRA Appalachian Basin page.


Coalbed Methane Assessment: Appalachian Basin Focus Area
Coalbed Methane Assessment

Coalbed Methane Assessment

There are coalbed methane assessments for the Appalachian Basin currently available.

 

 

 

Data

Reports

Coal and Petroleum Resources Data Report

Regional Cross-section Maps

An example of a cross-section map
An example of a cross-section map that documents and improves understanding of the geologic framework and petroleum systems of the Appalachian basin.

Ryder, R.T., Trippi, M.H., Swezey, C.S. Crangle, R.D., Jr., Hope, R.S., Rowan, E.L., and Lentz, E.E., 2012, Geologic cross section C–C’ through the Appalachian basin from Erie County, north-central Ohio, to the Valley and Ridge province, Bedford County, south-central Pennsylvania: U.S. Geological Survey Scientific Investigations Map 3172, 2 sheets, 70-p. pamphlet.
Available at: http://pubs.usgs.gov/sim/3172/

Trippi, M.H., and Crangle, R.D., Jr., 2009, Log ASCII Standard (LAS) files for geophysical (gamma ray) wireline well logs and their application to geologic cross section C-C’ through the central Appalachian basin: U.S. Geological Survey Open File Report 2009-1021, 13 p., 20 LAS files.
Available at: http://pubs.usgs.gov/of/2009/1021/

Ryder, R.T., Crangle, R.D., Jr., Trippi, M.H., Swezey, C.S., Lentz, E.E., Rowan, E.L., and Hope, R.S., 2009, Geologic cross section D–D’ through the Appalachian basin from the Findlay arch, Sandusky County, Ohio, to the Valley and Ridge province, Hardy County, West Virginia: U.S. Geological Survey Scientific Investigations Map 3067, 2 sheets, 52-p. pamphlet.
Available at: http://pubs.usgs.gov/sim/3067/
Also Available: Downloadable Corresponding LAS Files 

Ryder, R.T., Swezey, C.S., Crangle, R.D. Jr., and Trippi, M.H., 2008, Geologic Cross Section E-E' through the Appalachian Basin from the Findlay Arch, Wood County, Ohio, to the Valley and Ridge Province, Pendleton County, West Virginia: U.S. Geological Survey Scientific Investigations Map 2985.
Available at: http://pubs.usgs.gov/sim/2985/
Also Available: Downloadable Corresponding LAS Files

Ryder, R.T, 2008, Stratigraphic Framework of Cambrian and Ordovician Rocks in the Appalachian Basin from Sequatchie County, Tennessee, through Eastern Kentucky, to Mingo County, West Virginia: U.S. Geological Survey Scientific Investigations Map 2994.
Available at: http://pubs.usgs.gov/sim/2994/

Crangle, R.D., 2007, Log ASCII Standard (LAS) files for geophysical wireline well logs and their application to geologic cross sections through the central Appalachian basin: U.S. Geological Survey Open-File Report 2007-1142.
Available at: http://pubs.usgs.gov/of/2007/1142/

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Page Last Modified: Wednesday, February 12, 2014

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