Brandywine Lighthouse well, 276-287 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 276-287 ft in well.

• bed-level stratigraphic resolution

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

• ENVIRONMENT: Shallow marine, siliciclastic.
• SPECIFIC LITHOLOGY: Silt, clay, 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 92757: 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.
Scaphopoda
 Gadilida - Gadilidae
Cadulus conradi Pilsbry and Harbison 1933 tusk shell
Bivalvia
 Nuculanida - Yoldiidae
Yoldia laevis Say 1824 clam
 Pectinida - Pectinoidae
"Pecten madisonius" = Chesapecten madisonius
"Pecten madisonius" = Chesapecten madisonius Say 1824 scallop
 Lucinida - Lucinidae
"Phacoides anodonta" = Stewartia anodonta, "Phacoides crenulatus" = Parvilucina crenulata
"Phacoides anodonta" = Stewartia anodonta Say 1824 clam
"Phacoides crenulatus" = Parvilucina crenulata Conrad 1840 clam
 Pholadida - Myidae
Mya producta Conrad 1838 softshell clam
 Pholadida - Corbulidae
Corbula inaequalis Say 1824 clam
 Cardiida - Veneridae
Mercenaria sp. Schumacher 1817 quahog
 Solenida - Pharidae
Ensis directus Conrad 1844 clam