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Mineral Resources On-Line Spatial Data

Nacatoch Sand

Nacatoch Sand
StateArkansas
NameNacatoch Sand
Geologic agePhanerozoic | Mesozoic | Cretaceous-Late
Original map labelKn
CommentsUnconsolidated quartz sand, fossiliferous sandy limestone, glauconitic sand, argillaceous sand, clay and marl. Approximately 400 ft. thick. Marl refers to loosley consolidated calcareous clays, silts and sands containing glauconite
Primary rock typesand
Secondary rock typelimestone
Other rock typesclay or mud; mixed clastic/carbonate
Lithologic constituents
Major
Sedimentary > Clastic > Sandstone (Bed)
Minor
Sedimentary > Carbonate > Marlstone (Bed)
Sedimentary > Clastic > Mudstone (Bed)
Sedimentary > Carbonate > Limestone (Bed)
Map references
Haley, B. R., Glick, E. E., Bush, W. V.; Clardy, B. F.; Stone, C. G.; Woodward, M. B., Zachry, D.L., 1993, Geologic Map of Arkansas: U.S.Geological Survey Special Geologic Map. Scale 1:500K
Unit references
Dane,C. H.,1929, Upper Cretaceous formations of southwestern Arkansas: Arkansas Geol. Survey Bull.1, 215 pp.
Geographic coverageClark - Hempstead - Howard - Nevada

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