Cardonal Formation,Collection 2: Tremadocian, Argentina
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Conodonta
- Protopanderodontida
- Protopanderodontidae
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Monocostodus servierensis
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Conodonta
- Protopanderodontida
- Drepanoistodontidae
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Drepanoistodus sp.
Lindstrom 1971
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Conodonta
- Protopanderodontida
- Oneotodontidae
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Teridontus obesus
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Utahconus longipinnatus
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Conodonta
- Proconodontida
- Cordylodontidae
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cf. Cordylodus proavus
Müller 1959
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| see common names | |||||||
Geography
| Country: | Argentina |
| Coordinates: | 24.3° South, 65.3° West (view map) |
| Paleocoordinates: | 43.6° South, 129.0° West |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | outcrop |
Time
| Period: | Ordovician | Epoch: | Early/Lower Ordovician |
| Stage: | Tremadocian | 10 m.y. bin: | Ordovician 1 |
| Key time interval: | Tremadocian | ||
| Age range of interval: | 485.40000 - 477.70000 m.y. ago |
Stratigraphy
| Formation: | Cardonal | ||||
| Local section: | Cerro Golgata | Local bed: | 90 m | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: Listed as Lower Tremadocian, Cardonal Formation | |||||
Lithology and environment
| Primary lithology: | lithified sandy "limestone" |
| Secondary lithology: | lithified sandstone |
| Includes fossils? | Y |
| Lithology description: Quartz sandstone, sandy limestone, sandy shale and siltstone, some samples contain calcareous nodules | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
| Collection excludes: | difficult macrofossils |
| Collection methods: | observed (not collected) |
| Reason for describing collection: | biostratigraphic analysis |
| Collection method comments: Conodonts only; collection 2, 90m above formation | |
Metadata
| Database number: | 156000 | ||
| Authorizer: | M. Hopkins | Enterer: | M. Hopkins |
| Modifier: | M. Hopkins | Research group: | marine invertebrate |
| Created: | 2014-05-06 13:52:41 | Last modified: | 2017-05-23 16:34:15 |
| Access level: | the public | Released: | 2014-05-06 13:52:41 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 51076. | R. I. Rao and M. F. Tortello. 1998. Tremadoc conodonts and trilobites from the Cardonal Formation, Incamayo Creek, Salta Province, northwestern Argentina. In H. Szaniawski (ed.), Proceedings of the Sixth European Conodont Symposium (ECOS VI)- Paleontologia Polonica 58:31-45 [M. Hopkins/M. Hopkins] |