Oak Grove corehole, 107.0 m (Paleocene of the United States)

Where: Westmoreland County, Virginia (38.2° N, 77.0° W)

• Paleocoordinates: 39.2° N, 45.7° W (Wright 2013)

• coordinate stated in text

• hand sample-level geographic resolution

When: Aquia Formation, Paleocene (66.0 - 56.0 Ma)

• The wellhead was at an elevation of 54.85 m above sea level; depth refers to depths below the wellhead.

Environment/lithology: marine; green sandstone

Size class: microfossils

Preservation: original sporopollenin

Collected by U.S. Army Corps of Engineers; reposited in the USGS

Collection methods: bulk, chemical, hydrochloric, hydroflouric,

• Stratigraphic test bored by the U.S. Army Corps of Engineers, under contract to the U.S. Geological Survey, in 1976. Samples were prepared by means of standard acid maceration as well as by swirling and (or) ZnBr2 separation. Specimens are located at the U.S. Geological Survey, Reston, Virginia.

Primary reference: N. O. Frederiksen. 1979. Paleogene Sporomorph Biostratigraphy, Northeastern Virginia. Palynology 3:129-167 [P. Jardine/H. Morck]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 233020: authorized by Phillip Jardine, entered by Hannah Morck on 10.01.2024

Creative Commons license: CC0 (CC0)

Taxonomic list

unclassified
  -
Angiospermae
 Sapindales - Sapindaceae
? Cupanieidites sp. Cookson and Pike 1954 soapberry
 Fagales - Juglandaceae
 Fagales - Casuarinaceae
Casuarinidites spp. Cookson and Pike 1954
 Fagales - Betulaceae
 Proteales -
Magnoliopsida
  -
Plicatopollis
  -