4F - Perfil El Faro: Early/Lower Miocene, Argentina

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Maluacipolloides comodonoensis
Operculodium centrocarpum
Tasmanites spp.
Polypodiopsida
Verrucosisporites kopukuensis Stover 1973
Magnoliopsida
Rhoipites cienaguensis Barreda 1997
Angiospermae - Chloranthales - Chloranthaceae
Clavatipollenites sp. Couper 1958
Angiospermae - Caryophyllales - Chenopodiaceae
Chenopodipollis chenopodiaceoides Truswell 1985
Angiospermae - Sapindales - Sapindaceae
Cupanieidites reticularis Cookson and Pike 1954
Angiospermae - Myrtales - Onagraceae
Corsinipollenites atlantica Barreda 1997
Ginkgoopsida - Ephedrales
Equisetosporites claricristatus Barreda 1997
unclassified
Baumannipollis variaperturatus Barreda 1993
Canthiumidites aff. bellus Mildenhall and Pocknall 1989
Cyperaceaepollis neogenicus Krutzsch 1970
Mutisiapollis viteauensis Barreda 1998
Dinophyceae - Gonyaulacales - Gonyaulacaceae
Lingulodinium hemicystum McMinn 1991
Nematosphaeropsis rigida Wreen 1988
Dinophyceae - Gonyaulacales
Reticulatosphaera actinocoronata Bujak and Matsuoka 1986
Dinophyceae
Spiniferites mirabilis Sarjeant 1970
see common names

Geography
Country:Argentina State/province:Santa Cruz
Coordinates: 47.1° South, 66.0° West (view map)
Paleocoordinates:47.8° South, 59.6° West
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Neogene Epoch:Miocene
10 m.y. bin:Cenozoic 5
Key time interval:Early/Lower Miocene
Age range of interval:23.03000 - 15.98000 m.y. ago
Stratigraphy
Formation:Monte León
Lithology and environment
Primary lithology: lithified tuff
Lithology description: El espesor sedimentario estudiado comprende 72 metros de pelitas y areniscas fosilíferas, bioturbadas en el sector inferior (PN), comparables con las reconocidas en el perfil Mazarredo, y tobas y chonitas blanquecinas en el superior (F).
Environment:transition zone/lower shoreface
Geology comments: Las condiciones ambientales que se infieren a partir del análisis palinológico corresponden a una zona sublitoral a costera.
Taphonomy
Modes of preservation:soft parts,original sporopollenin
Size of fossils:microfossils
Collection methods and comments
Collection methods:bulk,chemical,hydrochloric,hydroflouric,field collection
Reason for describing collection:taxonomic analysis
Collection method comments: Repositorio: Palinoteca del Centro de Investigaciones en Recursos Geológicos (CIRGEO)
Metadata
Database number:142226
Authorizer:C. Jaramillo Enterer:J. Ceballos
Modifier:P. Santamarina Research group:paleobotany
Created:2013-04-07 07:58:53 Last modified:2013-10-07 14:46:53
Access level:group members Released:2015-04-07 07:58:53
Creative Commons license:CC BY
Reference information

Primary reference:
46161. V. Barreda and S. Palamarczuk. 2000. Palinoestratigrafía de depósitos del Oligoceno tardío-Mioceno en el área sur del Golfo San Jorge, provincia de Santa Cruz, Argentina. Ameghiniana 37(1):103-117 [C. Jaramillo/J. Ceballos/P. Santamarina]