Horizon 3, Drillhole 83/3, Daly Basin, Tindall Limestone: Middle Cambrian, Australia
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Hyolithida
- Angusticornidae
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Nganki wumirri
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Orthothecida
- Circothecidae
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Guduguwan hardmani
(Foord 1890)
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see common names |
Geography
Country: | Australia | State/province: | Northern Territory |
Coordinates: | 13.8° South, 131.3° East (view map) | ||
Paleocoordinates: | 26.9° North, 177.5° East | ||
Basis of coordinate: | estimated from map | ||
Geographic resolution: | small collection |
Time
Period: | Cambrian | Epoch: | Miaolingian |
10 m.y. bin: | Cambrian 3-4 | ||
Key time interval: | Middle Cambrian | ||
Age range of interval: | 509 - 497 m.y. ago |
Stratigraphy
Geological group: | Daly River | Formation: | Tindall Limestone | ||
Local section: | Tipperary | Local bed: | 3 | ||
Local order: | bottom to top | ||||
Stratigraphic resolution: | group of beds | ||||
Stratigraphy comments: Late Ordian to early Templetonian: Considered to be Middle Cambrian according to Cooper 2004. |
Lithology and environment
Primary lithology: | dolomitic,gray lithified "limestone" |
Lithology description: gray, fresh, partially dolomitised mottled limestone | |
Environment: | open shallow subtidal |
Geology comments: The carbonate beds crop out as low mounds, benches and pavements, in dolines or as towers; beds marking periods of unrestricted open shelf sedimentation |
Taphonomy
Modes of preservation: | body,replaced with silica |
Size of fossils: | macrofossils |
Collection methods and comments
Collection methods: | core,acetic,field collection |
Reason for describing collection: | biostratigraphic analysis |
Metadata
Database number: | 60001 | ||
Authorizer: | W. Kiessling | Enterer: | T. Schossleitner |
Modifier: | W. Kiessling | Research group: | marine invertebrate |
Created: | 2006-04-26 08:35:46 | Last modified: | 2006-09-13 16:57:11 |
Access level: | the public | Released: | 2006-04-26 08:35:46 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
17229. | P. D. Kruse. 1990. Cambrian palaeontology of the Daly Basin. Northern Territory Geological Survey 7:1-58 [W. Kiessling/T. Schossleitner] |