https://ilstratwiki.web.illinois.edu/index.php?title=Charter_Member&feed=atom&action=historyCharter Member - Revision history2024-03-29T09:02:58ZRevision history for this page on the wikiMediaWiki 1.38.4https://ilstratwiki.web.illinois.edu/index.php?title=Charter_Member&diff=15346&oldid=prevJennifer.Obrad at 23:03, 11 January 20172017-01-11T23:03:26Z<p></p>
<p><b>New page</b></p><div>{{Editwithform}}<br />
{{Tree<br />
|category1=Paleozoic Erathem<br />
|category2=Cambrian System<br />
|category3=Dresbachian Stage<br />
|category4=Sauk Sequence<br />
|category5=Potsdam Sandstone Megagroup<br />
|category6=Croixan Series<br />
|category7=Mt. Simon Sandstone<br />
|tree1=Potsdam Sandstone Megagroup<br />
|tree2=Mt. Simon Sandstone<br />
|tree3=Charter Member<br />
|tree21=Paleozoic Erathem<br />
|tree22=Cambrian System<br />
|tree23=Croixan Series<br />
|tree24=Dresbachian Stage<br />
|tree31=Sauk Sequence<br />
}}<br />
==Primary source==<br />
Willman, H. B., Elwood Atherton, T. C. Buschbach, Charles Collinson, John C. Frye, M. E. Hopkins, Jerry A. Lineback, and Jack A. Simon, 1975, Handbook of Illinois Stratigraphy: Illinois State Geological Survey Bulletin 95, 261 p.<br />
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==Contributing author&#40;s&#41;==<br />
T. C. Buschbach<br />
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==Name==<br />
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===Original description===<br />
The Charter Member of the Mt. Simon Sandstone (Templeton, 1950, p. 156).<br />
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===Derivation===<br />
Named for Charter Oak School, De Kalb County.<br />
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===Other names===<br />
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===History&#47;background===<br />
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==Type section==<br />
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===Type location===<br />
The type section of the Charter Member of the Mt. Simon Sandstone is located 3.5 miles south of Charter Oak School, DeKalb County. It is the interval from 1381-1648 feet deep (sample set 1466) in the same boring as the Lacey Member.<br />
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===Type author&#40;s&#41;===<br />
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===Type status===<br />
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==Reference section==<br />
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===Reference location===<br />
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===Reference author&#40;s&#41;===<br />
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===Reference status===<br />
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==Stratigraphic relationships==<br />
The Charter Member is the uppermost member of the Mt. Simon Sandstone.<br />
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==Extent and thickness==<br />
The Charter Member is 145-320 feet thick.<br />
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==Lithology==<br />
It is medium- to fine-grained, partly conglomeratic sandstone with some red micaceous shale at or near the base.<br />
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==Core&#40;s&#41;==<br />
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==Photograph&#40;s&#41;==<br />
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==Contacts==<br />
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==Well log characteristics==<br />
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==Fossils==<br />
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==Age and correlation==<br />
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==Environments of deposition==<br />
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==Economic importance==<br />
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==Remarks==<br />
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==References==<br />
TEMPLETON, J. S., 1950, Mt. Simon Sandstone in northern Illinois: Illinois Academy of Science Transactions, v. 43, p. 151-159.<br />
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{{Codes<br />
|membercode=8820<br />
|geo_unit=--<br />
}}</div>Jennifer.Obrad