Biohorizon in the Stimulograptus sedgwickii Biozone, Chamarra Creek section: Silurian, Argentina

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Pterobranchia - Graptoloidea - Monograptidae
Paraclimacograptus innotatus (Nicholson 1869)
Clinoclimacograptus retroversus Bulman and Rickards 1968
Stimulograptus sedgwickii (Portlock 1843)
see common names

Geography
Country:Argentina State/province:Jujuy
Coordinates: 23.4° South, 65.7° West (view map)
Paleocoordinates:47.0° South, 129.0° West
Basis of coordinate:estimated from map
Time
Period:Silurian
10 m.y. bin:Silurian 1-2
Key time interval:Silurian Graptolite zone: Stimulograptus sedgwickii
Age range of interval:443.80000 - 419.20000 m.y. ago
Stratigraphy
Lithology and environment
Primary lithology:very fine,green claystone
Secondary lithology:fine,micaceous sandstone
Includes fossils?Y
Lithology description: Limolitas y areniscas finas micáceas, de colores verde y pardo-amarillento. Los mismos poseen un espesor aproximado de 40 m, presentan manchas de óxidos de hierro y se encuentran bioturbados.
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:microfossils
Collection methods and comments
Collection methods:selective quarrying
Reason for describing collection:taxonomic analysis
Collection method comments: El material estudiado se encuentra depositado en la Cátedra de Estratigrafía y Geología Histórica de la Facultad de Ciencias Exactas, Físicas y Naturales de la Universidad Nacional de Córdoba, bajo la sigla CEGH-UNC.
Metadata
Database number:215621
Authorizer:E. Vlachos Enterer:N. Herrera Sánchez
Modifier:N. Herrera Sánchez Research group:marine invertebrate
Created:2020-11-17 14:43:45 Last modified:2020-11-17 14:49:15
Access level:the public Released:2020-11-17 14:43:45
Creative Commons license:CC BY
Reference information

Primary reference:

74370. B. A. Toro. 1995. Primer hallazgo de graptolitos del Silúrico (Llandoveriano) en la Cordillera Oriental, Provincia de Jujuy, Argentina. Ameghiniana 32(4):375-384 [E. Vlachos/N. Herrera Sánchez/N. Herrera Sánchez]