Jamestown Coal Member

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Lithostratigraphy: Kewanee Group >>Carbondale Formation >>Jamestown 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 Jamestown Coal Member of the Carbondale Formation (Bell et al., 1931, p. 3) is a widespread but thin coal in southern Illinois.

Derivation

Named for Jamestown, Perry County.

Other names

History/background

Type section

Type location

Jamestown is near the type locality (NW NE 34, 5S-4W) (Wanless, 1939, p. 17, 19, 88; 1956, p. 10).

Type author(s)

Type status

Reference section

Reference location

Reference author(s)

Reference status

Stratigraphic relationships

Extent and thickness

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.

Lithology

Core(s)

Photograph(s)

Contacts

Well log characteristics

Fossils

Age and correlation

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.

Environments of deposition

Economic importance

Remarks

References

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.
WANLESS, H. R., 1939, Pennsylvanian correlations in the Eastern Interior and Appalachian coal fields: Geological Society of America Special Paper 17, 130 p.
WANLESS, H. R., 1956, Classification of the Pennsylvanian rocks of Illinois as of 1956: Illinois State Geological Survey Circular 217, 14 p.

ISGS Codes

Stratigraphic Code Geo Unit Designation
2610
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