Brandywine Lighthouse well, 480-485 ft [Kirkwood Fm] (Miocene of the United States)

Where: Cape May County, New Jersey (39.0° N, 75.1° W: paleocoordinates 39.2° N, 70.7° W)

• 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 480-485 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 92764: authorized by Austin Hendy, entered by Austin Hendy on 28.11.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for gastropoda and bivalvia. NOMENCLATURE: Fairly antiquated nomenclature with species resolution assignments.
Maxillopoda
 Sessilia - Balanidae
Balanus sp. Da Costa 1778 barnacle
Bivalvia
 Arcida - Arcidae
"Arca subrostrata" = Dallarca subrostrata
"Arca subrostrata" = Dallarca subrostrata Conrad 1841 clam
 Arcida - Glycymerididae
Glycymeris parilis Conrad 1843 clam
 Pectinida - Pectinoidae
 Carditida - Astartidae
"Astarte undulata" = Astarte (Ashtarotha) undulata Say 1824 clam
SUBSPECIES: Astarte undulata vaginulata
Astarte distans Conrad 1862 clam
 Cardiida - Veneridae
"Chione latilirata" = Lirophora (Lirophora) latilirata
"Chione latilirata" = Lirophora (Lirophora) latilirata Conrad 1841 venus clam
 Cardiida - Cardiidae
"Cardium patuxentium" = Chesacardium craticuloides
"Cardium patuxentium" = Chesacardium craticuloides Conrad 1845 cockle
 Nuculida - Nuculidae
"Nucula proxima" = Nucula (Nucula) proxima
"Nucula proxima" = Nucula (Nucula) proxima Say 1820 Atlantic Nut Clam
Gastropoda
 Sorbeoconcha - Turritellidae
Turritella cumberlandia Conrad 1863 turret shell