Brandywine Lighthouse well, 400 ft [Kirkwood Fm] (Miocene of the United States)

Where: Cape May County, New Jersey (39.0° N, 75.1° W)

• Paleocoordinates: 40.8° N, 65.3° W (Wright 2013)

• outcrop-level geographic resolution

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

• STRATIGRAPHIC RELATIONS: From the Kirkwood Fm, which is in this section overlies "Jackson-age" deposits, and underlies the Cohansey Fm. AGE: Miocene in text; Early Miocene on the basis of more recent dating and faunal composition. STRATIGRAPHIC POSITION: From 400 ft in well.

• bed-level stratigraphic resolution

Environment/lithology: coastal; poorly lithified, shelly/skeletal siltstone and poorly lithified, shelly/skeletal sandstone

• ENVIRONMENT: Shallow marine, siliciclastic.
• SPECIFIC LITHOLOGY: Silt, sand, and shells. LITHIFICATION: Poorly lithified, on the basis of figured specimens.

Size class: macrofossils

Preservation: original aragonite

Collected by McGee

Collection methods: core,

• COLLECTOR: T.C. McGee of the Artesian Well Drilling Company. REPOSITORY: New Jersey State Museum, ANSP.

Primary reference: H. G. Richards and A. Harbison. 1944. Well-boring at Brandywine Lighthouse in Delaware Bay. Part I. - Geology and Macrofossils. Notulae Naturae 132:1-14 [A. Hendy/A. Hendy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 92763: authorized by Austin Hendy, entered by Austin Hendy on 28.11.2009

Creative Commons license: CC0 (CC0)

Taxonomic list

• COVERAGE: Exhaustive for gastropoda and bivalvia. NOMENCLATURE: Fairly antiquated nomenclature with species resolution assignments.
Bivalvia
 Arcida - Arcidae
Scaphopoda
 Gadilida - Gadilidae
Cadulus conradi Pilsbry and Harbison 1933 tusk shell
Gastropoda
 Sorbeoconcha - Naticidae
"Polinices heros" = Euspira heros, "Polinices duplicata" = Neverita duplicatus
"Polinices heros" = Euspira heros Say 1822 moon snail
"Polinices duplicata" = Neverita duplicatus Say 1822 moon snail
 Neotaenioglossa - Calyptraeidae
"Crucibulum costatum" = Crucibulum (Dispotaea) costata Say 1820 slipper shell
Crepidula fornicata Linnaeus 1758 slipper shell
 Cerithioidea - Turritellidae
Turritella cumberlandia Conrad 1863 turret shell
 Vanikoroidea - Eulimidae
"Eulima eborea" = Melanella eborea
"Eulima eborea" = Melanella eborea Conrad 1846 snail
 Epitonioidea - Epitoniidae
Bivalvia
 Arcida - Arcidae
"Arca subrostrata" = Dallarca subrostrata
"Arca subrostrata" = Dallarca subrostrata Conrad 1841 clam
 Pectinida - Pectinoidae
"Pecten madisonius" = Chesapecten madisonius
"Pecten madisonius" = Chesapecten madisonius Say 1824 scallop
 Carditida - Carditidae
"Cardita arata" = Carditamera arata
"Cardita arata" = Carditamera arata Conrad 1832 clam
 Lucinida - Lucinidae
"Phacoides crenulatus" = Parvilucina crenulata
"Phacoides crenulatus" = Parvilucina crenulata Conrad 1840 clam
 Cardiida - Cardiidae
"Cardium laqueatum" = Chesacardium laqueatum
"Cardium laqueatum" = Chesacardium laqueatum Conrad 1830 cockle
 Pholadida - Myidae
Mya producta Conrad 1838 softshell clam