Age and correlation of subsurface calcareous strata in the western South Carolina Coastal Plain
Conference
·
OSTI ID:6496481
Megafossils and calcareous nannofossils from subsurface calcareous strata penetrated in 38 boreholes in the western South Carolina Coastal Plain permit correlation with the Gulf Coast Eocene Claibornian and Jacksonian stages, and with outcropping strata in adjacent regions. Reticulofenestra bisecta, R. umbilica, R. reticulata, C. formosus, Z. bijugatus, C. pelagicus, D. barbadiensis, and D. nodifer, are common and range throughout these strata. Other less common and stratigraphically restricted species present in these strata include D. distinctus, H. reticulata, H. seminulum, H. compacta, H. bramlettei, Chiasmolithus titus, C. solitus, and Campylosphaera dela. Nannofossils indicate ages no older than NP 16 and no younger than NP 19/20 (Upper Claibornian-Upper Jacksonian). Megafossils including Himerometra bassleri, Aporolepus howei, Arcoscalpellum jacksonense, and Kathpalmeria georgiana from the upper part of the unit indicate a Jacksonian age. The lower part contains Cubitostrea sellaeformis and ''Solidobalanus'' n. sp. characteristic of the Upper Claibornian. These calcareous strata correlate to the McBean and Dry Branch Formations of eastern Georgia, and to the Santee and Cross Formations of central South Carolina.
- Research Organization:
- Savannah River Lab., Aiken, SC (USA); North Carolina Univ., Wilmington (USA). Dept. of Earth Sciences
- DOE Contract Number:
- AC09-76SR00001
- OSTI ID:
- 6496481
- Report Number(s):
- DP-MS-86-180; CONF-8703125-1-Abst.; ON: DE87010171
- Country of Publication:
- United States
- Language:
- English
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