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Lithostratigraphy
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Chronostratigraphy
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Allostratigraphy
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Hydrostratigraphy
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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 Dix Limestone Member of the Mattoon Formation (Bradbury, 1965, p. 4).

Derivation

Named for Dix, Jefferson County, where it has been quarried locally.

Other names

History/background

Type section

Type location

The type section consists of exposures on a southwest-flowing tributary to Casey Fork, about 2 miles south of Dix (NW SE NW 25, 1S-2E).

Type author(s)

Type status

Reference section

Reference location

Reference author(s)

Reference status

Stratigraphic relationships

It lies about 50 feet above the position of the Millersville Limestone and 300 feet above the Shoal Creek Limestone.

Extent and thickness

Lithology

In the area of the type section, the Dix is a brownish gray argillaceous limestone as much as 6 feet thick that contains only ''Spirorbis'' and numerous ostracodes.

Core(s)

Photograph(s)

Contacts

Well log characteristics

Fossils

Age and correlation

The Dix may correlate with the fresh-water limestone found at the base of the underclay below the Opdyke Coal.

Environments of deposition

Economic importance

Remarks

Reference(s)

place a <pre><br></pre>at the end of a line to get a line return BRADBURY, J. C., 1965, Limestone resources of Jefferson and Marion Counties, Illinois: Illinois State Geological Survey Industrial Minerals Note 23, 15 p.

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