Magdalena Formation

Magdalena Formation
State Texas
Name Magdalena Formation
Geologic age Pennsylvanian to Permian?
Lithologic constituents
Major
Sedimentary > Carbonate > Limestone (Bed)
Incidental
Sedimentary > Carbonate > Marlstone (Bed)
Sedimentary > Clastic > Mudstone > Shale (Bed)
Comments Limestone, shale, and marl. Mostly ls. fine grained, in part cherty, v. thick bedded. some interbedded shale. 2,700 ft in Franklin Mts.
Stratigraphic units Bishops Cap, Berino, La Tuna
References

Bureau of Economic Geology, 1992, Geologic Map of Texas: University of Texas at Austin, Virgil E. Barnes, project supervisor, Hartmann, B.M. and Scranton, D.F., cartography, scale 1:500,000.

NGMDB product
Counties Comanche - Eastland - El Paso