VSEGEI Loc. 807-B Akkerme Peninsula, Lake Balkhash: Rhuddanian, Kazakhstan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Rhynchonellata
- Atrypida
- Lissatrypidae
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Meifodia tulkulensis
Modzalevskaya and Popov 1995
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Rhynchonellata
- Orthida
- Hesperorthidae
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Dolerorthis sowerbyiana
(Davidson 1869)
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| see common names | |||||||
Geography
| Country: | Kazakhstan | State/province: | South Central |
| Coordinates: | 45.3° North, 73.7° East (view map) | ||
| Paleocoordinates: | 17.2° South, 71.5° East | ||
| Geographic resolution: | outcrop |
Time
| Period: | Silurian | Epoch: | Llandovery |
| Stage: | Rhuddanian | 10 m.y. bin: | Silurian 1 |
| Key time interval: | Rhuddanian | Graptolite zone: | Coronograptus cyphus |
| Age range of interval: | 443.80000 - 440.80000 m.y. ago |
Stratigraphy
| Formation: | Mynaral | ||||
| Local section: | 807 | Local bed: | 2 m | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: Redated as late Rhuddanian in: L. Robin M. Cocks and Rong Jia-yu (2007). Earliest Silurian faunal survival and recovery after the end Ordovician glaciation: evidence from the brachiopods. Earth and Environmental Science Transactions of the Royal Society of Edinburgh, 98, pp 291-301 doi:10.1017/S175569100807566X | |||||
Lithology and environment
| Primary lithology: | argillaceous "limestone" |
| Secondary lithology: | nodular calcareous mudstone |
| Includes fossils? | Y |
| Includes fossils? | Y |
| Lithology description: The early Silurian brachiopod assemblage is preserved in nodules and nodular interlayers of a calcareous mudstone and argillaceous limestone of Unit 3, which rests on the unfossiliferous sandstone of Unit 2 | |
| Environment: | carbonate indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some microfossils |
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: VSEGEI | |
Metadata
| Database number: | 151926 | ||
| Authorizer: | P. Wagner | Enterer: | P. Wagner |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2013-10-23 13:42:07 | Last modified: | 2019-08-27 15:05:11 |
| Access level: | the public | Released: | 2013-10-23 13:42:07 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 48558. | T. L. Modzalevskaya and L. E. Popov. 1995. Earliest Silurian articulate brachiopods from central Kazakhstan. Acta Palaeontologica Polonica 40(4):399-426 [P. Wagner/P. Wagner] |