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Cerro La Bota (Miocene of Argentina)

Also known as Zone of Chasichimys bonaerense

Where: La Pampa, Argentina (37.4° S, 65.5° W: paleocoordinates 37.6° S, 63.2° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Chasicoan mammal zone, Cerro Azul Formation, Late/Upper Miocene (11.6 - 5.3 Ma)

• Early late Miocene

•The stratotype is the lower level of the Cerro Azul Formation outcropping at this locality

Environment/lithology: fluvial; massive, red, sandy siltstone

• The Cerro Azul formation is composed of massive brown reddish sandy silts, with loessic erosion. A detailed description of the geology and stratigraphy of this formation can be seen in Linares et al. (1980) and Goin et al. (2000).

Size classes: macrofossils, mesofossils

Primary reference: D. H. Verzi, C. I. Montalvo, and C. M. Deschamps. 2008. Biostratigraphy and biochronology of the Late Miocene of central Argentina: Evidence from rodents and taphonomy. Geobios 41:145-155 [C. Jaramillo/M. Vallejo] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 152063: authorized by Carlos Jaramillo, entered by Maria Vallejo on 05.11.2013

Creative Commons license: CC BY (attribution)