Also known as Hidden Lake

Where: Antarctica (63.9° S, 58.0° W: paleocoordinates 65.2° S, 61.9° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Phyllocladidites mawsonii pollen zone, Hidden Lake Formation (Gustav Group), Coniacian to Coniacian (89.8 - 83.5 Ma)

• The Hidden Lake Formation is considered Coniacian-Early Santonian in age taking into account the recognition of the Australian, Phyllocladidites mawsonii spore-pollen Zone and Conosphaeridium striatoconus and Odontochitina porifera dinoflagellate cyst Zones. The associate megafauna confirms this age.

• bed-level stratigraphic resolution

Environment/lithology: delta plain; calcareous, carbonaceous sandstone

Size class: microfossils

Preservation: original sporopollenin

Collection methods: surface (in situ), hydrochloric, hydroflouric,

• Los preparados se encuentran depositados en la palinoteca del Centro de Investigaciones en Recursos Geológicos bajo la sigla CIRGEO Palin y los números de catálogo 1053 a 1124.

Primary reference: V. D. Barreda, S. Palamarczuk, and F. Medina. 1999. Palinología de la Formación Hidden Lake (Coniaciano-Santoniano), Isla James Ross, Antártida. Revista Española de Micropaleontología (31)53-72 [C. Jaramillo/C. Jaramillo]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 169346: authorized by Carlos Jaramillo, entered by Carlos Jaramillo on 19.05.2015

Creative Commons license: CC BY (attribution)