Santa Elena Limestone, Sue Peaks Formation, Del Carmen Limestone, and Telephone Canyon Formation, undivided

Santa Elena Limestone, Sue Peaks Formation, Del Carmen Limestone, and Telephone Canyon Formation, undivided
State Texas
Name Santa Elena Limestone, Sue Peaks Formation, Del Carmen Limestone, and Telephone Canyon Formation, undivided
Geologic age Early Cretaceous
Lithologic constituents
Major
Sedimentary > Carbonate > Limestone (Bed)
Minor
Sedimentary > Clastic > Mudstone > Shale > Black-shale (Bed)
Comments Santa Elena Limestone forms cliffs over Sue Peaks Formation. Santa Elena Ls is lt-gray to white, fine-grained to microgranular, massive, beds to 10 ft thick, some marl interbeds, chert nodules and silicified rudistids common in massive beds. Thickness about 350-450+ft. Sue Peaks Formation is gray aphanitic limestone and interbedded yell-gray shale thickness 75 -250 ft. Occupies slope between overlying Santa Elena Ls and underlying Del Carmen Ls. Del Carmen Ls is gray limestone aphanitic to fine grained, massive, chert nodules, weathers brown; rudistids and milliolids common. thickness 350-475 ft. Telephone Canyon Fm is yell-gray, marly, nodular limestone, marine fossils common thickness about 75 ft in Big Bend N.P.
References

Bureau of Economic Geology, 1977, Del Rio Sheet, Geologic Atlas of Texas, University of Texas, Bureau of Economic Geology, scale 1:250,000.

Bureau of Economic Geology, 1979, Emory Peak--Presidio Sheet, Geologic Atlas of Texas, University of Texas at Austin.

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 Brewster - Presidio