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USGS Loc. 24792 - Rio Vaca [Charco Azul Fm] (Pliocene of Panama)

Where: Panama (8.5° N, 82.8° W: paleocoordinates 8.3° N, 82.2° W)

• coordinate based on nearby landmark

• hand sample-level geographic resolution

When: Charco Azul Formation, Pliocene (5.3 - 2.6 Ma)

• LITHOSTRATIGRAPHY: From Charco Azul Formation (Olsson 1942), which unconformably underlies the Armurelles Fm (Pleistocene). AGE: Pliocene in Olsson (1942) as it is overlain by very different Pleistocene fauna age; supported by other sources, including Collins and Coates (1999). Correlated to Jama and Canoa Formations of Ecuador. STRATIGRAPHIC POSITION: From unknown position within section.

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; tuffaceous shale

• ENVIRONMENT: Deposited in deeper waters, probably between 100 and 400 fathoms.
• LITHOLOGY: Soft tuffaceous shale. LITHIFICATION: Unlithified, base on figured specimens and lithologic description.

Size class: macrofossils

Reposited in the USNM

Collection methods: surface (in situ),

• COLLECTOR: Unknown, but circa 1984-1985. REPOSITORY: Presumably the USNM.

Primary reference: P. Jung. 1989. Revision of the Strombina-group (Gastropoda; Columbellidae), fossil and living. Schweierische Paläontologische Abhandlungen 111:1-298 [A. Hendy/A. Hendy/A. Hendy] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 130893: authorized by Austin Hendy, entered by Austin Hendy on 16.07.2012

Creative Commons license: CC BY (attribution)