File:Catskill Magnafacies.svg

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Description
English: Original figure caption: Generalized cross section of Catskill delta magnafacies across western Pennsylvania and Ohio (adapted from Harper, 1999). The lower part of the section, from the Hamilton Group (Marcellus Shale and Mahantango Formation) to the Tully Limestone, is Middle Devonian in age. The remainder of the section is Upper Devonian.
Date and 2006
date QS:P,+2005-00-00T00:00:00Z/8,P580,+2005-00-00T00:00:00Z/9,P582,+2006-00-00T00:00:00Z/9
Source
  • Fig. 5. in: Assessment of Appalachian Basin Oil and Gas Resources: Devonian Shale–Middle and Upper Paleozoic Total Petroleum System. U.S. Geological Survey Open-File Report 2006-1237
  • Slide no. 11 in: Assessment of Undiscovered Natural Gas Resources in Devonian Black Shales, Appalachian Basin, Eastern U.S.A. American Association of Petroleum Geologists 2005 Annual Convention, Calgary, Alberta, June 16-19 (available at pubs.USGS.gov)
Note: both adapted (reformatted and recolored) from J.A. Harper (1999): Chapter 7 – Devonian. In: C.H. Schultz (ed.): The Geology of Pennsylvania. Harrisburg/Pittsburgh (archive.org), pp. 109–127, fig. 7-15 (p. 120).
Author Robert C. Milici and Christopher S. Swezey

Licensing

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Public domain
This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. For more information, see the official USGS copyright policy.

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current02:11, 24 June 2008Thumbnail for version as of 02:11, 24 June 2008826 × 364 (185 KB)Dhaluza (talk | contribs){{Information |Description={{en|1=Generalized cross section of Catskill delta magnafacies across western Pennsylvania and Ohio (adapted from Harper, 1999). The lower part of the section, from the Hamilton Group (Marcellus Shale and Mahantango Formation) t

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