Category:Producing Zones and Informal Names
Revision as of 16:50, 16 October 2019 by Jennifer.Obrad (talk | contribs)
Generalized geological column of southern Illinois. Size of solid dots indicates relative amount of petroleum produced from individual pay zones. Formation names are in capital letters. Abbreviations: A., Alexandrian; Cinc., Cincinnatian; Cr., Creek; E., eastern; Gol., Golconda; Incl., including; K., Kinderhookian; L., lower; Niag.-Cayug., Niagaran-Cayugan; P. Cr. Sd, Paint Creek Sand; Ren., Renault; Sh, shale; U., upper; U.P.C., Upper Paint Creek; W., western.
Modified from: Kolata, Dennis R, and Cheryl Nimz, eds., 2010, Geology of Illinois: University of Illinois at Urbana-Champaign, Institute of Natural Resource Sustainability, Illinois State Geological Survey, 530 p.
Pages in category "Producing Zones and Informal Names"
The following 76 pages are in this category, out of 76 total.