USGS 10623 (Chinquapin bridge, NE Cape Fear River), Castle Hayne marl, NC (Eocene of the United States)

Where: Duplin County, North Carolina (34.8° N, 77.8° W: paleocoordinates 34.8° N, 67.1° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Castle Hayne Formation, Middle Eocene (47.8 - 37.7 Ma)

• The Castle Hayne is described as Jackson (Eocene) in age. Age after Ward et al. 1978.

• formation-level stratigraphic resolution

Environment/lithology: marine; lithified, white, yellow limestone and shelly/skeletal, yellow, blue marl

• hard, impure whitish-yellow speckled limestone, about 4 ft thick, made up almost entirely of casts of marine shells, upstream grades into soft marl made up for the most part of finely-ground shell, exposed marl is yellow, below, where marl is saturated with water it is light blue

Size class: macrofossils

Preservation: cast

Reposited in the USGS

Primary reference: L.B. Kellum. 1926. Paleontology and Stratigraphy of the Castle Hayne and Trent Marls in North Carolina. United States Geological Survey Professional Paper (143)1-56 [A. Miller/K. Layou/K. Layou]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 41924: authorized by Arnold Miller, entered by Karen Layou on 22.07.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Bivalvia
 Pectinida - Pectinoidae
"Pecten cookei" = Chlamys cookei
"Pecten cookei" = Chlamys cookei Kellum 1926 scallop