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Map showing publication footprint
  • Usage in publication:
    • Bluffport marl member
  • Modifications:
    • Named
  • Dominant lithology:
    • Marl
    • Clay
    • Chalk
  • AAPG geologic province:
    • Upper Mississippi embayment
Publication:

Monroe, W.H., 1956, Bluffport marl member of Demopolis chalk: American Association of Petroleum Geologists Bulletin, v. 40, no. 11, p. 2740-2742. [Available online, with subscription, from AAPG archives: http://www.aapg.org/datasystems or http://search.datapages.com]


Summary:

Demopolis chalk subdivided into Bluffport marl member at top in Sumter Co. AL. Bluffport is bed of calcareous, more or less sandy, silty clay about 65 ft thick, that rests on typical Demopolis chalk and gradationally underlies calcareous clayey sand of Ripley formation. Lithology varies from very clayey chalk to compact very chalky clay.

Source: GNU records (USGS DDS-6; Reston GNULEX).


Map showing publication footprint
  • Usage in publication:
    • Bluffport marl member
  • Modifications:
    • Areal extent
  • AAPG geologic province:
    • Black Warrior basin
Publication:

Hughes, R.J., Jr., 1958, Kemper County geology [Mississippi]: Mississippi Geological Survey Bulletin, no. 84, 274 p.


Summary:

Bluffport marl member of Demopolis chalk described in Kemper Co., MS, where it is about 50 ft thick and underlies Ripley formation.

Source: GNU records (USGS DDS-6; Reston GNULEX).


Map showing publication footprint
  • Usage in publication:
    • Bluffport Marl Member
  • Modifications:
    • Overview
  • AAPG geologic province:
    • Mid-Gulf Coast basin
Publication:

Raymond, D.E., Osborne, W.E., Copeland, C.W., and Neathery, T.L., 1988, Alabama stratigraphy: Geological Survey of Alabama Circular, no. 140, 97 p.


Summary:

Bluffport Marl Member in the upper part of the Demopolis Chalk of the Selma Group consists of 50 to 65 ft of massive chalky very dark-gray marl, very clayey chalk, and calcareous clay. The Demopolis is present from the MS State line in southern Pickens Co. to western Bullock Co., MS, where it grades into the Ripley and Blufftown Formations. Age is Late Cretaceous (Campanian-Maastrichtian).

Source: GNU records (USGS DDS-6; Reston GNULEX).


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