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Woodbine Formation

Woodbine Formation
State Arkansas
Name Woodbine Formation
Geologic age Phanerozoic | Mesozoic | Cretaceous-Late
Comments Tuff and tuffaceous cross bedded sand with basal gravel and clay, calcarous sandstone lens. Approximately 350 ft. thick.
Primary rock type volcanic rock (aphanitic)
Secondary rock type sand
Other rock types gravel; clay or mud; sandstone
Lithologic constituents
Major
Igneous > Volcanic (Pyroclastic, tuff)
Sedimentary > Clastic > Sandstone (Bed)
Minor
Sedimentary > Clastic > Mudstone (Bed)
Sedimentary > Clastic > Sandstone (Lense)
Sedimentary > Clastic > Conglomerate (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.
Counties Hempstead - Howard - Little River - Pike - Sevier