https://ilstratwiki.web.illinois.edu/index.php?title=Historical:Jamestown_Coal_Member&feed=atom&action=historyHistorical:Jamestown Coal Member - Revision history2024-03-28T13:22:47ZRevision history for this page on the wikiMediaWiki 1.38.4https://ilstratwiki.web.illinois.edu/index.php?title=Historical:Jamestown_Coal_Member&diff=16174&oldid=prevJennifer.Obrad at 16:14, 25 January 20172017-01-25T16:14:34Z<p></p>
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{{Tree<br />
|tree1=Kewanee Group <br />
|tree2=Carbondale Formation <br />
|tree3=Jamestown Coal Member <br />
|tree21=Paleozoic Erathem <br />
|tree22=Pennsylvanian Subsystem <br />
|tree23=Desmoinesian Series <br />
|tree31=Absaroka Sequence <br />
|category1=Paleozoic Erathem <br />
|category2=Pennsylvanian Subsystem <br />
|category3=Absaroka Sequence<br />
|category4=Kewanee Group<br />
|category5=Desmoinesian Series<br />
|category6=Carbondale Formation<br />
|category7=Coal<br />
}}<br />
==Authors==<br />
M. E. Hopkins and J. A. Simon<br />
<br />
==Name Origin==<br />
The Jamestown Coal Member of the Carbondale Formation (Bell et al., 1931, p. 3) is a widespread but thin coal in southern Illinois named for Jamestown, Perry County.<br />
==Type Section==<br />
Jamestown is near the type locality (NW NE 34, 5S-4W) (Wanless, 1939, p. 17, 19, 88; 1956, p. 10).<br />
==Correlation==<br />
The Jamestown Coal is equivalent to the Hymera Coal Member (VI), which is an important commercial coal in Indiana, and to the No. 12 coal in western Kentucky.<br />
==Extent and Thickness==<br />
The coal is seldom more than a few inches thick in southern Illinois (fig. P-3B), but in southern Clark County and adjacent Crawford County in eastern Illinois it is reported in drill records to be as much as 6 feet thick.<br />
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Figure P-3B.jpg|{{file:Figure P-3B.jpg}}<br />
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==References==<br />
BELL, A. H., C. G. BALL, and L. C. MCCABE, 1931, Geology of the Pinckneyville and Jamestown areas, Perry County, Illinois: Illinois State Geological Survey Illinois Petroleum 19, 22 p.<br><br />
WANLESS, H. R., 1939, Pennsylvanian correlations in the Eastern Interior and Appalachian coal fields: Geological Society of America Special Paper 17, 130 p.<br><br />
WANLESS, H. R., 1956, Classification of the Pennsylvanian rocks of Illinois as of 1956: Illinois State Geological Survey Circular 217, 14 p.<br />
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