Net shale thickness (isochore) data for the Marcellus Formation in West Virginia.  Data developed during peer-reviewed study addressing the distribution and thickness of formally and informally recognized Middle and Upper Devonian rock strata with focus on the Marcellus and other organic-rich shales. Nearly 400 wells were studied, primarily using gamma-ray geophysical well logs, to develop a statewide formalization of the lithostratigraphic nomenclature.  Also includes data for the Onondaga Limestone and equivalents.
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{'Title': '', 'Author': '', 'Comments': '', 'Subject': '', 'Category': '', 'AntialiasingMode': 'None', 'TextAntialiasingMode': 'Force', 'Keywords': 'Marcellus,Marcellus Formation,Marcellus Fm,Marcellus Shale,Marcellus Sh,Marcellus Play,Union Springs,Oatka Creek,Onondaga,Onondaga Limestone,Onondaga Ls'}
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