Southern Aggregates Jamestown Quarry (Eocene of the United States)

Also known as Martin Marietta quarry SE of Jamestown

Where: Berkeley County, South Carolina (33.3° N, 79.7° W: paleocoordinates 33.6° N, 68.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Santee Limestone Formation, Lutetian (47.8 - 41.3 Ma)

• From Santee Formation, which is overlain unconformably by the Cross Formation, or Cross Member of the Santee Formation. The Santee Formation is also considered to be equivalent in age to the "McBean" Formation, while the Cross Formation is a down-dip equivalent of the lower Clinchfield Formation. The contact between the Santee Formation (s.s.) and the Cross Formation is approximately equivalent to the contact between the Lisbon Formation and Gosport Sand in the Gulf Coast. These are of Claibornian age=Lutetian (late Middle Eocene).

• group of beds-level stratigraphic resolution

Environment/lithology: offshore shelf; lithified, ferruginous, glauconitic, gray, white limestone

• Offshore carbonate environment
• Indurated and very moldic commonly glauconitic, gray-white, iron-stained limestone.

Size class: macrofossils

Preservation: mold/impression, original calcite

Reposited in the ANSP, USNM

Collection methods: salvage, quarrying, surface (float),

• Collections reposited at the University of North Carolina, USNM, and ANSP. Some new collecting by D. Campbell.

Primary reference: D. Campbell. 1995. New molluscan faunas from the Eocene of South Carolina. Tulane Studies in Geology and Paleontology 27:119-152 [A. Miller/A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 52348: authorized by Austin Hendy, entered by Austin Hendy on 03.08.2005, edited by Mark Uhen and Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

• Identified or reidentified by D. Campbell.
Malacostraca
 Decapoda - Zanthopsidae
Martinetta palmeri1 Blow and Manning 1997 crab
 Decapoda - Dromiidae
Quinquerugatus holthuisi2 Franţescu et al. 2011 crab
Cephalopoda
 Nautilida - Nautilidae
Eutrephoceras carolinense Kellum 1926 nautiloid
Gastropoda
 Sorbeoconcha - Ficidae
Ficus affinis Van Winkle 1919 fig shell
 Neogastropoda - Mitridae
"Mitra (Fusimitra) sp." = Fusimitra
"Mitra (Fusimitra) sp." = Fusimitra Conrad 1855 mitre shell
 Sorbeoconcha - Hipponicidae
Cheilea sp. Modeer 1793 hoof shell
Bivalvia
 Ostreida - Gryphaeidae
Pycnodonte sp. Fischer von Waldheim 1835 oyster
 Pectinida - Limidae
Lima sp. Bruguière 1797 file clam
 Pectinida - Plicatulidae
Plicatula filamentosa Conrad 1833 scallop
 Pectinida - Pectinoidae
Chlamys sp. Röding 1798 scallop
 Arcida - Arcidae
Barbatia sp. Gray 1842 clam
 Pholadomyida - Pholadomyidae
Pholadomya sp. Sowerby 1823 clam
 Carditida - Crassatellidae
 Carditida - Carditidae
Echinoidea
 Cassiduloida -
Gitolampas twitchelli n. sp.3 Osborn et al. 2016 sea urchin
 Salenioida - Saleniidae
Salenia buddyi n. sp.3 Osborn et al. 2016 sea urchin