Lithofacies changes in Porters Creek Formation (Paleocene) of southern Alabama
- Geological Survey of Alabama, Tuscaloosa (USA)
Historically, the Porters Creek Formation in southern Alabama has been described as several hundred feet of black massive clay. Recent detailed field investigations indicate that the Porters Creek Formation consists of numerous diverse lithologies and exhibits complex lithofacies relationships. In southwestern Alabama, the lower portion of the formation includes marls, limestones, and calcareous clays. The middle portion of this unit primarily is comprised of black massive clays with minor marl and limestone, and the upper portion of the formation (Matthews Landing Marl Member) in this area consists of glauconitic sands and marls. In south-central Alabama, the lower portion of the Porters Creek Formation includes interbedded limestones and calcareous clays. The middle portion of the unit is composed of sand and calcareous clay, and the upper portion (Matthews Landing Marl Member, in part) consists of cross-bedded sands and glauconitic marls.
- OSTI ID:
- 5087521
- Report Number(s):
- CONF-8910221-; CODEN: AABUD
- Journal Information:
- AAPG Bulletin (American Association of Petroleum Geologists); (USA), Vol. 73:9; Conference: Gulf Coast Association of Geological Societies and Gulf Coast Section of SEPM meeting, Corpus Christi, TX (USA), 25-27 Oct 1989; ISSN 0149-1423
- Country of Publication:
- United States
- Language:
- English
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