U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database

General Information

  • Title: Lithostratigraphy and depositional environments of the Ancell Group in central Illinois; a Middle Ordovician carbonate-siliciclastic transition
  • Author(s): Shaw, T.H., and Schreiber, B.C.
  • Publishing Organization: Society of Economic Paleontologists and Mineralogists
  • Series and Number: SEPM Core Workshop, 15th, Dallas, TX, 1991 no. 15 [p. 309-351]
  • Larger Work: Lomando, A.J., and Harris, P.M., eds., Mixed carbonate-siliciclastic sequences
  • Publication Date: 1991
  • Cross Section: Yes
  • North Latitude: 43° 0' 0" N (43.0000)
  • South Latitude: 36° 0' 0" N (36.0000)
  • East Longitude: 88° 27' 24" W (-88.4568)
  • West Longitude: 92° 0' 0" W (-92.0000)
  • Corrections to this entry?
* See base map disclaimer below.
Find more maps in this area with mapView

Map Preview

(Click image to enlarge)

Downloads from the NGMDB

Poor quality image? Let us know

* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.