Sta. 10409 - Dukes [Hawthorn Fm] (Miocene of the United States)

Also known as Loc. 201

Where: Hampton County, South Carolina (32.9° N, 81.2° W: paleocoordinates 33.2° N, 77.1° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Hawthorn Formation, Early/Lower Miocene (23.0 - 16.0 Ma)

• STRATIGRAPHIC RELATIONS: From the Hawthorn Fm, which presumably regionally unconformably overlies Eocene units, and is regionally unconformaly overlain by the Rayso Marl. AGE: Early Miocene. STRATIGRAPHIC POSITION: From loose material excated from well.

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; lithified, brown, gray marl

• ENVIRONMENT: Shallow marine, shelfal siliciclastic.
• SPECIFIC LITHOLOGY: Firm gray or brown sandy marl and hard silicified shell marl. LITHIFICATION: Lithified, on the basis of facies description.

Size class: macrofossils

Preservation: original aragonite, original calcite

Collected by Cooke in 1922

Collection methods: core,

• COLLECTORS: C.W. Cooke, 1922. REPOSITORIES: Unknown.

Primary reference: C. W. Cooke. 1936. Geology of the Coastal Plain of South Carolina. United States Geological Survey Bulletin 837 [A. Hendy/A. Hendy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 92413: authorized by Austin Hendy, entered by Austin Hendy on 10.11.2009, edited by Mark Uhen

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for bivalves and gastropods. NOMENCLATURE: Identified by W.C. Mansfield; not an authoritative publication and with antiquated nomenclature but with species-resolution identifications. Nomenclature updated with subsequent publications.
Bivalvia
 Arcida - Arcidae
Arca sp. Linnaeus 1758 ark
 Arcida - Glycymerididae
"Glycymeris cf. lamyi" = Tucetona lamyi, Glycymeris sp.
"Glycymeris cf. lamyi" = Tucetona lamyi Dall 1915 clam
Glycymeris sp. Da Costa 1778 clam
 Pectinida - Pectinoidae
 Carditida - Carditidae
"? Venericardia aff. perplana" = Pteromeris perplana, "? Venericardia aff. granulata" = Cyclocardia granulata
"? Venericardia aff. perplana" = Pteromeris perplana Dall 1903 clam
"? Venericardia aff. granulata" = Cyclocardia granulata Say 1824 clam
 Pholadida - Corbulidae
Corbula sp. Bruguière 1789 clam
 Pholadida - Teredinidae
Teredo sp. Linnaeus 1758 clam
 Cardiida - Mactridae
Spisula sp. Gray 1837 clam
 Cardiida - Veneridae
Antigona sp. Schumacher 1817 venus clam
 Cardiida - Cardiidae
Cardium sp. Linnaeus 1758 cockle
 Lucinida - Lucinidae
Phacoides sp. Blainville 1825 clam
Gastropoda
 Neogastropoda - Fasciolariidae
? Latirus sp. Monfort 1810 snail
 Neogastropoda - Marginellidae
Marginella sp. Lamarck 1799 margin shell
 Neogastropoda - Drilliidae
 Neogastropoda - Terebridae
Terebra aff. tantula Conrad 1890 auger snail
 Ficoidea - Ficidae
Ficus sp. Röding 1798 fig shell
 Naticoidea - Naticidae
Sinum cf. chipolanum Dall 1892 moon snail
 Calyptraeoidea - Calyptraeidae
? Calyptraea sp. Lamarck 1799 slipper shell
 Sorbeoconcha - Turritellidae
Turritella sp. Lamarck 1799 turret shell
 Architectonicoidea - Architectonicidae
Architectonica sp. Röding 1798 sundial
 Fissurelloidea - Fissurellidae
"Fissuridea sp." = Diodora
"Fissuridea sp." = Diodora Gray 1821 snail
 Trochoidea - Liotiidae
Liotia sp. Gray 1842 snail
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium sp. Linnaeus 1758 tusk shell
Echinoidea
  -
Echinoidea indet. Leske 1778 sea urchin
 Camarodonta - Echinidae
Stirechinus sp. sea urchin