Edit a page: Otis Member

You do not have permission to edit this page, for the following reason:

The action you have requested is limited to users in the group: Users.

For Help in formatting please see the Wiki Help

Categories:
	1:	2:
	3:	4:
	5:	6:
	7:	8:
	9:	10:

Lithostratigraphy
	1:	2:
	3:	4:
	5:	6:
	7:	8:
	9:	10:

Chronostratigraphy
	1:	2:
	3:	4:
	5:	6:
	7:	8:
	9:	10:

Allostratigraphy
	1:	2:
	3:	4:
	5:	6:
	7:	8:
	9:	10:

Hydrostratigraphy
	1:	2:
	3:	4:
	5:	6:
	7:	8:
	9:	10:

Primary source[edit]

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)[edit]

Charles Collinson and Elwood Atherton

Name[edit]

Original description[edit]

The Otis Member of the Wapsipinicon Limestone (Norton, 1894, p. 22-24).

Derivation[edit]

Named for the railway junction called Otis, east of Cedar Rapids, Linn County, Iowa.

Other names[edit]

History/background[edit]

Type section[edit]

Type location[edit]

The Otis Member is 26 feet thick where exposed in its type section in a quarry at Cleveland, Henry County (S1/2 31, 18N-2E).

Type author(s)[edit]

Type status[edit]

Reference section[edit]

Reference location[edit]

Reference author(s)[edit]

Reference status[edit]

Stratigraphic relationships[edit]

The Otis Member of the Wapsipinicon Limestone overlies the Coggan Member (or Silurian dolomite where the Coggan is absent).

Extent and thickness[edit]

Lithology[edit]

The Otis Member is fine-grained to lithographic, light gray to brown limestone with a few lenses of chert. In the region where it thins out on the flanks of the Sangamon Arch, lenses of quartz sandstone as much as 5 feet thick occur at the base.

Core(s)[edit]

Photograph(s)[edit]

Contacts[edit]

Well log characteristics[edit]

Fossils[edit]

Age and correlation[edit]

Environments of deposition[edit]

Economic importance[edit]

Remarks[edit]

Reference(s)[edit]

place a <pre><br></pre>at the end of a line to get a line return NORTON, W. H., 1894, Notes on the lower strata of the Devonian Series in eastern Iowa: Iowa Academy of Science Proceedings 1, part 4, p. 22-24.

Membercode:
Geo_unit:
Geo_image:	Upload file

Summary:

This is a minor edit Watch this page

Cancel