Mooreville chalk

(Selma group), Marly chalk and calcareous clay.
State Mississippi
Name Mooreville chalk
Geologic age Upper Cretaceous
Lithologic constituents
Major
Sedimentary > Carbonate > Limestone > ChalkMarly chalk and calcareous clay.
Unconsolidated > Fine-detrital > ClayMarly chalk and calcareous clay.
Comments Units Km and Kma are combined in the unit description (Mooreville chalk) on the map, but are described and colored separately, so split them up.
Stratigraphic units Selma Group
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.

Dowsett, H.J., 1989, Documentation of the Santonian-Campanian and Austinian-Tayloran Stage boundaries in Mississippi and Alabama using calcareous microfossils: U.S. Geological Survey Bulletin, 1884, 20 p.

https://pubs.er.usgs.gov/publication/b1884

NGMDB product
Counties Clay - Itawamba - Lee - Lowndes - Monroe - Noxubee