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Duck Creek Limestone

Duck Creek Limestone
StateTexas
NameDuck Creek Limestone
Geologic agePhanerozoic | Mesozoic | Cretaceous-Early [Comanchean]
Original map labelKdc
CommentsDuck Creek--Limestone, aphanitic, in part bioclastic, locally burrowed, pyrite nodules up to 0.2 ft, beds 0.2-2 ft thick, pinch and swell, md. gray to yell gray; weathers dk gray with yell-brn patches. marine megafossils are Gryphaea and ammonites; thickness 30-100 ft.
Primary rock typelimestone
Secondary rock type
Other rock types
Lithologic constituents
Major
Sedimentary > Carbonate > Limestone (Bed)
Sedimentary > Carbonate > Limestone (Bed)
Map 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
Unit references
Bureau of Economic Geology, 1972, Dallas sheet, Geologic Atlas of Texas, Bureau of Economic Geology, University of Texas at Austin, scale 1:250,000.
Bureau of Economic Geology, 1967, Sherman Sheet, Geologic Atlas of Texas: University of Texas at Austin, Bureau of Economic Geology, scale 1:250,000.
Geographic coverageBailey - Hood - Johnson - Lamb - Parker - Tarrant

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