O'Nan Coal Member: Difference between revisions

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{{Tree
|category1=Paleozoic Erathem
|category2=Pennsylvanian Subsystem
|category3=Absaroka Sequence
|category4=Kewanee Group
|category5=Desmoinesian Series
|category6=Spoon Formation
|category7=Coal
|tree1=Kewanee Group
|tree2=Spoon Formation
|tree3=ONan Coal Member
|tree21=Paleozoic Erathem
|tree22=Pennsylvanian Subsystem
|tree23=Desmoinesian Series
|tree31=Absaroka Sequence
}}
==Primary source==
{{DISPLAYTITLE:O'Nan Coal Member}}
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.
 
==Contributing author(s)==
M. E. Hopkins and J. A. Simon
 
==Name==
 
===Original description===
The O'Nan Coal Member of the Spoon Formation (Kosanke et al., 1960, p. 32).
 
===Derivation===
Named for Dennis O'Nan Ditch, which flows across the tip of Indian Hill, Union County, Kentucky, the type locality (Glenn, 1912, p. 25).
 
===Other names===
It previously was called the Curlew Coal (Owen, 1856, p. 47).
 
===History/background===
 
==Type section==
 
===Type location===
 
===Type author(s)===
 
===Type status===
 
==Reference section==
 
===Reference location===
 
===Reference author(s)===
 
===Reference status===
 
==Stratigraphic relationships==
 
==Extent and thickness==
The O'Nan Coal is generally thin, seldom over 1 foot thick in its scattered occurrences in southern Illinois.
 
==Lithology==
 
==Core(s)==
 
==Photograph(s)==
 
==Contacts==
 
==Well log characteristics==
 
==Fossils==
 
==Age and correlation==
It is now believed to be equivalent to the Bidwell Coal.
 
==Environments of deposition==
 
==Economic importance==
 
==Remarks==
 
==References==
GLENN, L. C., 1912, A geological reconnaissance of the Tradewater River region, with special reference to the coal beds: Kentucky Geological Survey Bulletin 17, 75 p.<br>
KOSANKE, R. M., J. A. SIMON, H. R. WANLESS, and H. B. WILLMAN, 1960, Classification of the Pennsylvanian strata of Illinois: Illinois State Geological Survey Report of Investigations 214, 84 p.<br>
OWEN, D. D., 1856, Report of the geological survey in Kentucky made during the years 1854 and 1855: Kentucky Geological Survey Bulletin, v. I, Series 1, 416 p.
 
{{Codes
|membercode=3434
|geo_unit=--
}}

Revision as of 17:03, 21 June 2019

Lithostratigraphy: Kewanee Group >>Spoon Formation >>ONan Coal Member
Chronostratigraphy: Paleozoic Erathem >>Pennsylvanian Subsystem >>Desmoinesian Series
Allostratigraphy: Absaroka Sequence

Primary source

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.

Contributing author(s)

M. E. Hopkins and J. A. Simon

Name

Original description

The O'Nan Coal Member of the Spoon Formation (Kosanke et al., 1960, p. 32).

Derivation

Named for Dennis O'Nan Ditch, which flows across the tip of Indian Hill, Union County, Kentucky, the type locality (Glenn, 1912, p. 25).

Other names

It previously was called the Curlew Coal (Owen, 1856, p. 47).

History/background

Type section

Type location

Type author(s)

Type status

Reference section

Reference location

Reference author(s)

Reference status

Stratigraphic relationships

Extent and thickness

The O'Nan Coal is generally thin, seldom over 1 foot thick in its scattered occurrences in southern Illinois.

Lithology

Core(s)

Photograph(s)

Contacts

Well log characteristics

Fossils

Age and correlation

It is now believed to be equivalent to the Bidwell Coal.

Environments of deposition

Economic importance

Remarks

References

GLENN, L. C., 1912, A geological reconnaissance of the Tradewater River region, with special reference to the coal beds: Kentucky Geological Survey Bulletin 17, 75 p.
KOSANKE, R. M., J. A. SIMON, H. R. WANLESS, and H. B. WILLMAN, 1960, Classification of the Pennsylvanian strata of Illinois: Illinois State Geological Survey Report of Investigations 214, 84 p.
OWEN, D. D., 1856, Report of the geological survey in Kentucky made during the years 1854 and 1855: Kentucky Geological Survey Bulletin, v. I, Series 1, 416 p.

ISGS Codes

Stratigraphic Code Geo Unit Designation
3434
--