1F - Perfil El Faro: Early/Lower Miocene, Argentina

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Operculodium centrocarpum
Heteraulacysta campanula
Maluacipolloides comodonoensis
Bivalvia - Pectinida - Pectinidae
Swiftopecten iheringii del Rio 1995
Del Rio 1995
recombined as Chlamys (Swiftopecten) iheringii
Ginkgoopsida - Ephedrales
Equisetosporites claricristatus Barreda 1997
Angiospermae - Myrtales - Onagraceae
Corsinipollenites atlantica Barreda 1997
Angiospermae - Sapindales - Sapindaceae
Cupanieidites reticularis Cookson and Pike 1954
Angiospermae - Caryophyllales - Chenopodiaceae
Chenopodipollis chenopodiaceoides Truswell 1985
Angiospermae - Chloranthales - Chloranthaceae
Clavatipollenites sp. Couper 1958
Magnoliopsida
Rhoipites cienaguensis Barreda 1997
Polypodiopsida
Verrucosisporites kopukuensis Stover 1973
unclassified
Tasmanites spp.
Mutisiapollis viteauensis Barreda 1998
Cyperaceaepollis neogenicus Krutzsch 1970
Dinophyceae
Spiniferites mirabilis Sarjeant 1970
Dinophyceae - Gonyaulacales
Reticulatosphaera actinocoronata Bujak and Matsuoka 1986
? Reticulatosphaera actinocoronata Bujak and Matsuoka 1986
Dinophyceae - Gonyaulacales - Gonyaulacaceae
Lingulodinium hemicystum McMinn 1991
Nematosphaeropsis rigida Wreen 1988
Operculodinium centrocarpum Wall 1967
unclassified
Baumannipollis variaperturatus Barreda 1993
Canthiumidites aff. bellus Mildenhall and Pocknall 1989
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:142224
Authorizer:C. Jaramillo, W. Kiessling Enterer:J. Ceballos, P. Santamarina, M. Krause
Modifier:P. Santamarina Research group:paleobotany
Created:2013-04-07 07:18:55 Last modified:2013-10-07 14:44:57
Access level:group members Released:2015-04-07 07:18:55
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]

Secondary references:

62782 C. J. Del Rio. 1995. The genus Swiftopecten Hertlein, 1936 (Bivalvia: Pectinidae) in the Tertiary of Southern South America. Journal of Paleontology 69(6):1054-1059 [W. Kiessling/M. Krause]