Demopolis chalk

(Selma group), Chalk and marly chalk containing fewer impurities than underlying and overlying formations.
State Mississippi
Name Demopolis chalk
Geologic age Upper Cretaceous
Lithologic constituents
Major
Sedimentary > Carbonate > Limestone > ChalkChalk and marly chalk containing fewer impurities than underlying and overlying formations.
References

Moore, William Halsell, 1969, reprinted 1985, Geologic Map of Mississippi, Compiled by Bicker, A. R., Jr., a revision of the geologic map published by the MS Geological Survey in 1945 in cooperation with the USGS, revised from data submitted by Dr. E. E. Russell of MS State University from published reports of the MS Geological Survey and from field revisions, Mercury Maps Inc., Jackson, MS., scale 1:500,000.

NGMDB product
Counties Alcorn - Chickasaw - Clay - Kemper - Lee - Lowndes - Monroe - Noxubee - Oktibbeha - Pontotoc - Prentiss - Tippah - Union