Franklin Bluffs, section 2, sample R4718 L (Eocene of the United States)

Also known as Field no. NF92AK 38

Where: Alaska (69.8° N, 148.6° W)

• Paleocoordinates: 81.0° N, 127.2° W (Wright 2013)

• coordinate stated in text

• hand sample-level geographic resolution

When: Franklin Bluffs Member (Sagavanirktok Formation), Eocene (56.0 - 33.9 Ma)

• Stratigraphic position 32.6 m above base of measured section.

Environment/lithology: terrestrial; gray mudstone

• Mudrock, medium-gray, interbedded with sandstone, weathered.

Size class: microfossils

Preservation: original sporopollenin

Collected by N. O. Frederiksen

Collection methods: bulk, chemical, hydrochloric, hydroflouric,

• The samples were collected by Frederiksen in August, 1992.

Primary reference: N. O. Frederiksen, L. E. Edwards, T. Fouch, L. Carter, and T. Collett. 1994. Palynomorph biostratigraphy of Eocene samples from the Sagavanirktok Formation at Franklin Bluffs, North Slope of Alaska. Open-File Report 94-653more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 237837: authorized by Phillip Jardine, entered by Hannah Morck on 19.12.2024

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Angiospermae
 Fagales - Juglandaceae
Caryapollenites "prodromus group type 1", Platycaryapollenites sp.
 Fagales - Betulaceae
Alnipollenites verus
Alnipollenites verus Potonie 1931 birch
 Proteales -
Triatriopollenites spp.
Triatriopollenites spp. Thomson and Pflug 1953
 Aquifoliales - Aquifoliaceae
Ilexpollenites spp.
Ilexpollenites spp. Thiergart 1937
 Saxifragales - Hamamelidaceae
Liquidambar "type B"
Liquidambar "type B" Linnaeus 1753 sweetgum