Dornick Hills Group (OKPAdo;0)

State	Oklahoma
Name	Dornick Hills Group
Geologic age	Middle Pennsylvanian
Lithologic constituents	Major Sedimentary > Clastic > Mudstone > Shale (Bed) Sedimentary > Clastic > Conglomerate (Bed) Sedimentary > Carbonate > Limestone (Bed) Minor Sedimentary > Clastic > Sandstone (Bed)
Comments	Named as a formation in the Ardmore basin in southern OK in the S. Oklahoma folded belt province. Consists of a series of bluish, tan, and rarer reddish and brown shales, with limestones, limestone conglomerates and sandstones. Maximum observed thickness of about 4,000 ft in north edge of Love Co; decreases northward to about 2,500 ft near town of Ardmore; decreases further to less than 1,500 ft near Glenn village. (Tomlinson, 1929).
References	Heran, W.D., Green, G. and Stoeser, D.B., 2003, A Digital Geologic Map Database of Oklahoma: USGS Open File Report 03-247, scale 1:250,000. https://pubs.er.usgs.gov/publication/ofr03247 Hart, D.L., 1974, Reconnaissance of the water resources of the Ardmore and Sherman quadrangles, southern Oklahoma: Oklahoma Geological Survey, Hydrologic Atlas 3, scale 1:250,000, 4 sheets. (Geology on sheet 1 compiled by D.L. Hart, and R.O. Fay, in 1970.) Cederstrand, J.R., 1996a, Digital geologic map of Ardmore-Sherman quadrangles, south-central Oklahoma: U.S. Geological Survey Open-File Report 96-370, (3 diskettes), URL address is: http://ok.water.usgs.gov/gis/geology https://pubs.er.usgs.gov/publication/ofr96370 Tomlinson, C.W., 1929, The Pennsylvanian system in the Ardmore Basin: Oklahoma Geological Survey Bulletin 46.
NGMDB product	NGMDB product page for 55294
Counties	Carter - Johnston - Love - Murray

State

Oklahoma

Name

Dornick Hills Group

Geologic age

Middle Pennsylvanian

Lithologic constituents

Major

Sedimentary > Clastic > Mudstone > Shale (Bed)

Sedimentary > Clastic > Conglomerate (Bed)

Sedimentary > Carbonate > Limestone (Bed)

Minor

Sedimentary > Clastic > Sandstone (Bed)

Comments

Named as a formation in the Ardmore basin in southern OK in the S. Oklahoma folded belt province. Consists of a series of bluish, tan, and rarer reddish and brown shales, with limestones, limestone conglomerates and sandstones. Maximum observed thickness of about 4,000 ft in north edge of Love Co; decreases northward to about 2,500 ft near town of Ardmore; decreases further to less than 1,500 ft near Glenn village. (Tomlinson, 1929).

References

Heran, W.D., Green, G. and Stoeser, D.B., 2003, A Digital Geologic Map Database of Oklahoma: USGS Open File Report 03-247, scale 1:250,000.

https://pubs.er.usgs.gov/publication/ofr03247

Hart, D.L., 1974, Reconnaissance of the water resources of the Ardmore and Sherman quadrangles, southern Oklahoma: Oklahoma Geological Survey, Hydrologic Atlas 3, scale 1:250,000, 4 sheets. (Geology on sheet 1 compiled by D.L. Hart, and R.O. Fay, in 1970.)

Cederstrand, J.R., 1996a, Digital geologic map of Ardmore-Sherman quadrangles, south-central Oklahoma: U.S. Geological Survey Open-File Report 96-370, (3 diskettes), URL address is: http://ok.water.usgs.gov/gis/geology

https://pubs.er.usgs.gov/publication/ofr96370

Tomlinson, C.W., 1929, The Pennsylvanian system in the Ardmore Basin: Oklahoma Geological Survey Bulletin 46.

NGMDB product

NGMDB product page for 55294

Counties

Carter - Johnston - Love - Murray