https://ilstratwiki.web.illinois.edu/index.php?title=Solon_Member&feed=atom&action=historySolon Member - Revision history2024-03-28T19:24:15ZRevision history for this page on the wikiMediaWiki 1.38.4https://ilstratwiki.web.illinois.edu/index.php?title=Solon_Member&diff=15226&oldid=prevJennifer.Obrad: /* Name */2017-01-11T17:37:44Z<p><span dir="auto"><span class="autocomment">Name</span></span></p>
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{{Tree<br />
|category1=Paleozoic Erathem<br />
|category2=Devonian System<br />
|category3=Kaskaskia Sequence<br />
|category4=Hunton Limestone Megagroup<br />
|category5=Middle Devonian Series<br />
|category6=Cedar Valley Limestone<br />
|tree1=Hunton Limestone Megagroup<br />
|tree2=Cedar Valley Limestone<br />
|tree3=Solon Member<br />
|tree21=Paleozoic Erathem<br />
|tree22=Devonian System<br />
|tree23=Middle Devonian Series<br />
|tree31=Kaskaskia 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 />
Charles Collinson and Elwood Atherton<br />
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==Name==<br />
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===Original description===<br />
The Solon Member of the Cedar Valley Limestone (Norton, 1897, p. 148; Keyes, 1913, p. 205-206).<br />
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===Derivation===<br />
Named for Solon, Johnson County, Iowa.<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 />
No type section has been designated for the Solon 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 Solon Member of the Cedar Valley Limestone is the basal member where the Hoing Member is not present.<br />
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==Extent and thickness==<br />
In Illinois the Solon Member has a maximum thickness of about 10 feet but is absent locally. It is 6-8 feet thick where exposed in quarries southeast of Milan and on the south side of Rock Island.<br />
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==Lithology==<br />
The Solon Member is a fine- to medium-grained, grayish brown, very fossiliferous limestone with brecciated beds.<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 />
The Solon Member is characterized by an abundance of brachiopods, mainly ''Atrypa independensis'', and corals, notably biostromes of ''Hexagonaria profunda'' (fig. D-6). Conodonts also are abundant.<br />
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<center><br />
{| class="wikitable" style="text-align: center;"<br />
|-<br />
|<gallery caption="" widths=250px heights=250px perrow=4><br />
Figure_D-6.jpg|{{file:Figure_D-6.jpg}}<br />
</gallery><br />
|}<br />
</center><br />
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==Age and correlation==<br />
The Solon is correlated with the upper Hamilton in New York (Collinson et al., 1967b).<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 />
COLLINSON, CHARLES, M. P. CARLSON, F. H. DORHEIM, and J. W. KOENIG, 1967b, Central Iowa Basin, ''in'' International symposium on the Devonian System: Alberta Society of Petroleum Geologists, v. 1, p. 963-971; Illinois State Geological Survey Reprint 1968-G.<br><br />
KEYES, C. R., 1913, Late Devonic sequence of the Iowa region (synopsis): Iowa Academy of Science Proceedings, v. 20, p. 205-206.<br><br />
NORTON, W. H., 1897, Artesian wells of Iowa: Iowa Geological Survey, v. 6, p. 113-428.<br />
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{{Codes<br />
|membercode=6000<br />
|geo_unit=--<br />
}}</div>Jennifer.Obrad