Black Mountain K107: Iverian, Australia
collected by Shergold 1967, 1969
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Agnostida
- Diplagnostidae
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Pseudagnostus clarki
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| subspecies patulus | ||||||||||
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Trilobita
- Asaphida
- Dikelocephalidae
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Prosaukia informal sp. A
Ulrich and Resser 1933
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Caznaia squamosa
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Caznaia sectatrix
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Trilobita
- Asaphida
- Asaphidae
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Atopasaphus stenocanthus
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Trilobita
- Ptychopariida
- Shumardiidae
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Koldinioidia cf. cylindrica
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| see common names | ||||||||||
Geography
| Country: | Australia | State/province: | Queensland |
| Coordinates: | 22.5° South, 140.3° East (view map) | ||
| Paleocoordinates: | 24.5° North, 174.5° West | ||
| Basis of coordinate: | stated in text | ||
| Geographic resolution: | outcrop |
Time
| Period: | Cambrian | Epoch: | Furongian |
| Stage: | Jiangshanian | 10 m.y. bin: | Cambrian 5 |
| Key time interval: | Iverian | ||
| Age range of interval: | 494.00000 - 489.50000 m.y. ago |
Stratigraphy
| Formation: | Chatsworth Limestone | ||
| Local section: | Black Mountain | Local bed: | 68.3 m |
| Local order: | bottom to top | ||
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | peloidal,shelly/skeletal,gray lithified grainstone |
| Includes fossils? | Y |
| Lithology description: 7.5 cm layer splitting into two leaves and increasing in thickness to 15 cm of light to medium gray biopelsparite containing abundant fine peloids and trilobite fragments with geopetal structures | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
| Collection methods: | mechanical,field collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Collectors: | Shergold | Collection dates: | 1967, 1969 |
Metadata
| Database number: | 198293 | ||
| Authorizer: | M. Hopkins | Enterer: | M. Hopkins |
| Modifier: | M. Hopkins | Research group: | marine invertebrate |
| Created: | 2018-12-14 13:56:50 | Last modified: | 2018-12-14 13:57:06 |
| Access level: | the public | Released: | 2018-12-14 13:56:50 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 67573. | J. H. Shergold. 1975. Late Cambrian and Early Ordovician trilobites from the Burke River Structural Belt, western Queensland, Australia. Commonwealth of Australia, Department of Minerals and Energy, Bureau of Mineral Resources, Geology and Geophysics Bulletin 153:1-251 [M. Hopkins/M. Hopkins/P. Wagner] |