IGNIS
Riverview Limestone Member

Age:

Pennsylvanian

Type designation:

Type section: The name “Riverview Limestone Member” was formally proposed by Wier (1970) for exposures of a thin limestone at the northeast edge of Riverview, Sullivan County, Indiana, in the SW¼SW¼SE¼ sec. 24, T. 9 N., R. 11 W., and was assigned to the Bond Formation (Wier, 1970, 1986).

History of usage:

Informal name: The name “Riverview Limestone Member” was first proposed by Wier in an unpublished manuscript (Wier, 1970, 1986).

Formal name:: The name “Riverview Limestone Member” was first formally introduced by Wier in 1970.

Description:

The Riverview Limestone Member is one bed, 0.3 to 0.8 ft (0.1 to 0.2 m) thick, of medium- to dark-gray argillaceous gastropod-rich limestone (Wier, 1970, 1986). It lies about 40 ft (12 m) above the Fairbanks Coal Member in the type area and is directly underlain by black shale and an unnamed thin discontinuous coal bed (Wier, 1970, 1986). The limestone is best exposed in the type area and near New Harmony in northwestern Posey County (Wier, 1970, 1986).

Correlations:

Hopkins and Simon (1975) noted that the Coffeen Limestone Member of Illinois probably correlates with the Riverview Limestone Member of Indiana. Brown, Rexroad, and Lieurance (1994) described the conodont fauna, interpreted the environments of deposition, and provided a local biozonation of the Riverview from outcrops in Sullivan and Posey Counties in Indiana. They (1994) noted that Riverview conodonts are dominated by representatives of Streptognathodus elegantulus and Idiognathodus magnificus to the extent that all the Riverview samples were assigned to the Idiognathodus - Streptognathodus biofacies.

Regional Indiana usage:

Illinois Basin Margin (COSUNA 12)
Supergroup: none
Group: McLeansboro Group
Formation: Bond Formation
Member: Riverview Limestone Member
Bed: none

Misc/Abandoned Names:

None

Geologic Map Unit Designation:

Pbr

Note: Hansen (1991, p. 52) in Suggestions to authors of the reports of the United States Geological Survey noted that letter symbols for map units are considered to be unique to each geologic map and that adjacent maps do not necessarily need to use the same symbols for the same map unit. Therefore, map unit abbreviations in the Indiana Geologic Names Information System should be regarded simply as recommendations.

COSUNA areas and regional terminology

Names for geologic units vary across Indiana. The Midwestern Basin and Arches Region COSUNA chart (Shaver, 1984) was developed to strategically document such variations in terminology. The geologic map (below left) is derived from this chart and provides an index to the five defined COSUNA regions in Indiana. The regions are generally based on regional bedrock outcrop patterns and major structural features in Indiana. (Click the maps below to view more detailed maps of COSUNA regions and major structural features in Indiana.)

Map showing the COSUNA areas (heavy black line) that approximate regional bedrock outcrop patterns and major structural features in Indiana, and the COSUNA numbers (large bold font) for these areas. The COSUNA boundaries are limited to state and county boundaries that facilitate coding.

COSUNA areas and numbers that approximate regional bedrock outcrop patterns and major structural features in Indiana.

Map showing major tectonic features that affect bedrock geology in Indiana.

Major tectonic features that affect bedrock geology in Indiana.

References:

Brown, L. M., Rexroad, C. B., and Lieurance, Suzanne, 1994, Conodont paleontology of the Riverview Limestone Member of the Bond Formation (Pennsylvanian, Missourian) in Indiana: Indiana Academy of Science Proceedings, v. 102, p. 219-228.

Hansen, W. R., 1991, Suggestions to authors of the reports of the United States Geological Survey (7th ed.): Washington, D.C., U.S. Geological Survey, 289 p.

Hopkins, M. E., and Simon, J. A., 1975, Pennsylvanian System, in Willman, H. B., Atherton, Elwood, Buschbach, T. C., Collinson, Charles, Frye, J. C., Hopkins, M. E., Lineback, J. A., and Simon, J. A., Handbook of Illinois stratigraphy: Illinois State Geological Survey Bulletin 95, p. 163-201.

Shaver, R. H., coordinator, 1984, Midwestern basin and arches region–correlation of stratigraphic units in North America (COSUNA): American Association of Petroleum Geologists Correlation Chart Series.

Wier, C. E., 1970, Riverview Limestone Member, in Shaver, R. H., Burger, A. M., Gates, G. R., Gray, H. H., Hutchison, H. C., Keller, S. J., Patton, J. B., Rexroad, C. B., Smith, N. M., Wayne, W. J., and Wier, C. E., Compendium of rock-unit stratigraphy in Indiana: Indiana Geological Survey Bulletin 43, p. 140.

Wier, C. E., 1986, Riverview Limestone Member, in Shaver, R. H., Ault, C. H., Burger, A. M., Carr, D. D., Droste, J. B., Eggert, D. L., Gray, H. H., Harper, Denver, Hasenmueller, N. R., Hasenmueller, W. A., Horowitz, A. S., Hutchison, H. C., Keith, B. D., Keller, S. J., Patton, J. B., Rexroad, C. B., and Wier, C. E., Compendium of Paleozoic rock-unit stratigraphy in Indiana–a revision: Indiana Geological Survey Bulletin 59, p. 124.



For additional information contact:

Nancy Hasenmueller (hasenmue@indiana.edu)
Date last revised: December 4, 2017

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