Naheola formation (MSPNan;0)

State	Mississippi
Name	Naheola formation
Geologic age	Paleocene
Lithologic constituents	Major Unconsolidated > Coarse-detrital > SandFine to coarse micaceous sand, kaolin, and bauxitic clay. Unconsolidated > Fine-detrital > ClayFine to coarse micaceous sand, kaolin, and bauxitic clay.
Comments	Secondary unit desrciption from USGS Lexicon website (MS002) and MS010: In MS Fearn Springs removed from Wilcox Group, reduced to member status, and assigned to the top of the Naheola Formation of the Midway Group. This revision changes the Midway-Wilcox boundary in MS. Boundary now placed at the Fearn Springs-Nanafalia contact. Fearn Springs is revised to member status in the Naheola Formation of the Midway Group in MS. Interpreted to be updip facies of the Oak Hill Member in AL. Name remains a useful term because of the mineral deposits exclusive to that facies. (Dockery, 1990).
Stratigraphic units	Midway 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. USGS Geologic Names lexicon found at: http://ngmdb.usgs.gov/Geolex/ https://ngmdb.usgs.gov/Geolex/search Dockery, D.T., III, 1990, A revision of the Fearn Springs Formation and relocation of the Midway-Wilcox Group boundary in Mississippi, IN Bograd, M.B.E., and Dockery, D.T., III, eds., Geologic mapping in Mississippi; proceedings of the 1989 MISGEOMAP conference: Mississippi Office of Geology Circular, no. 3, p. 21-23.
NGMDB product	NGMDB product page for 16555
Counties	Calhoun - Chickasaw - Choctaw - Kemper - Lauderdale - Noxubee - Oktibbeha - Pontotoc - Webster

State

Mississippi

Name

Naheola formation

Geologic age

Paleocene

Lithologic constituents

Major

Unconsolidated > Coarse-detrital > SandFine to coarse micaceous sand, kaolin, and bauxitic clay.

Unconsolidated > Fine-detrital > ClayFine to coarse micaceous sand, kaolin, and bauxitic clay.

Comments

Secondary unit desrciption from USGS Lexicon website (MS002) and MS010: In MS Fearn Springs removed from Wilcox Group, reduced to member status, and assigned to the top of the Naheola Formation of the Midway Group. This revision changes the Midway-Wilcox boundary in MS. Boundary now placed at the Fearn Springs-Nanafalia contact. Fearn Springs is revised to member status in the Naheola Formation of the Midway Group in MS. Interpreted to be updip facies of the Oak Hill Member in AL. Name remains a useful term because of the mineral deposits exclusive to that facies. (Dockery, 1990).

Stratigraphic units

Midway 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.

USGS Geologic Names lexicon found at: http://ngmdb.usgs.gov/Geolex/

https://ngmdb.usgs.gov/Geolex/search

Dockery, D.T., III, 1990, A revision of the Fearn Springs Formation and relocation of the Midway-Wilcox Group boundary in Mississippi, IN Bograd, M.B.E., and Dockery, D.T., III, eds., Geologic mapping in Mississippi; proceedings of the 1989 MISGEOMAP conference: Mississippi Office of Geology Circular, no. 3, p. 21-23.

NGMDB product

NGMDB product page for 16555

Counties

Calhoun - Chickasaw - Choctaw - Kemper - Lauderdale - Noxubee - Oktibbeha - Pontotoc - Webster