https://ilstratwiki.web.illinois.edu/index.php?title=Historical:West_Baden_Group&feed=atom&action=historyHistorical:West Baden Group - Revision history2024-03-29T07:54:28ZRevision history for this page on the wikiMediaWiki 1.38.4https://ilstratwiki.web.illinois.edu/index.php?title=Historical:West_Baden_Group&diff=15633&oldid=prevJennifer.Obrad at 17:02, 17 January 20172017-01-17T17:02:29Z<p></p>
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{{Tree<br />
|tree1=Pope Megagroup <br />
|tree2=West Baden Group <br />
|tree21=Paleozoic Erathem <br />
|tree22=Mississippian Subsystem <br />
|tree23=Chesterian Series <br />
|tree24=Gasperian Stage <br />
|tree31=Kaskaskia Sequence <br />
|category1=Paleozoic Erathem<br />
|category2=Mississippian Subsystem<br />
|category3=Gasperian Stage<br />
|category4=Kaskaskia Sequence<br />
|category5=Pope Megagroup<br />
|category6=West Baden Group<br />
|category7=Chesterian Series<br />
}}<br />
==Authors==<br />
Elwood Atherton, Charles Collinson, and Jerry A. Lineback<br />
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==Name Origin==<br />
The West Baden Group (Cumings, 1922, p. 514; Gray et al., 1960, p. 44) is named for West Baden, Orange County, Indiana.<br />
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==Extent and Thickness==<br />
The West Baden Group occurs in southeastern Illinois and is most useful in an area where the Ridenhower is dominantly sandstone and separation of the formations is difficult-- in places impractical (Swann, 1963).<br />
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==Definition==<br />
The West Baden Group consists of the Bethel, Ridenhower, and Cypress Formations.<br />
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==References==<br />
CUMINGS, E. R., 1922, Nomenclature and description of the geological formations of Indiana, ''in'' Handbook of Indiana geology: Indiana Department of Conservation Publication 21, p. 403-570.<br><br />
GRAY, H. H., R. D. JENKINS, and R. M. WEIDMAN, 1960, Geology of the Huron area, south-central Indiana: Indiana Geological Survey Bulletin 20, 78 p.<br><br />
SWANN, D. H., 1963, Classification of Genevievian and Chesterian (Late Mississippian) rocks of Illinois: Illinois State Geological Survey Report of Investigations 216, 91 p.<br />
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{{Codes <br />
| membercode = 4360<br />
| geo_unit = Mwb<br />
| geo_image =<br />
}}</div>Jennifer.Obrad