Q11/f0041, Powell Bay [Nihotupu Fm]: Altonian, New Zealand
collected by Eagle 1990
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Asteroidea
- Paxillosida
- Pseudarchasteridae
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Pseudarchaster motutaraensis n. sp.
Eagle 1999
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Gastropoda
- Naticidae
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Taniella motutaraensis
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Gastropoda
- Neogastropoda
- Fasciolariidae
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Falsicolus gemmatus
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Gastropoda
- Neogastropoda
- Turridae
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Gemmula sp.
(Weinkauff 1875)
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Gastropoda
- Neogastropoda
- Borsoniidae
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Bathytoma mitchelsoni
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Bivalvia
- Nuculanida
- Nuculanidae
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Saccella sp.
Woodring 1925
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Bivalvia
- Lucinida
- Lucinidae
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Lucinoma taylori
Powell 1935
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| see common names | |||||||
Geography
| Country: | New Zealand |
| Coordinates: | 36.8° South, 174.4° East (view map) |
| Paleocoordinates: | 44.1° South, 176.8° East |
| Basis of coordinate: | unpublished field data |
| Geographic resolution: | outcrop |
Time
| Period: | Neogene | Epoch: | Miocene |
| 10 m.y. bin: | Cenozoic 5 | ||
| Key time interval: | Altonian | ||
| Age range of interval: | 18.70000 - 15.90000 m.y. ago |
Stratigraphy
| Geological group: | Waitakere | Formation: | Nihotupu | Member: | Wairere |
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: Akarana Supergroup, Waitakere Group, Manukau Subgroup, Nihotupu Formation, Wairere Member (Hayward 1976b). AGE: The Wairere Member conformably overlies andesite Maori Bay pillow lavas dated at 16.8 Ma (Bandy et al. 1970), indicating early mid-Altonian (Late Burdigalian). STRATIGRAPHIC POSITION: From 15 m up cliff face. | |||||
Lithology and environment
| Primary lithology: | tuffaceous lithified calcareous sandstone |
| Includes fossils? | Y |
| Lithology description: SPECIFIC LITHOLOGY: Well bedded, laminated, sparsely fossiliferous, epivolcaniclastic arenites and less abundant lutites and granule rudites. LITHIFICATION: Lithfiied, as stated to be moderately hard. | |
| Environment: | deep-water indet. |
| Geology comments: ENVIRONMENT: Mid-bathyal | |
Taphonomy
| Modes of preservation: | body,replaced with calcite |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Collectors: | Eagle | Collection dates: | 1990 |
| Collection method comments: COLLECTOR: M. K. Eagle. REPOSITORY: Auckland Museum, New Zealand. | |||
| Taxonomic list comments:COVERAGE: Limited to described taxon and other characteristic taxa mentioned in text. NOMENCLATURE: Authoritative publication, with modern nomenclature and species-resolution identifications. | |||
Metadata
| Database number: | 91055 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2009-09-03 07:39:54 | Last modified: | 2017-05-23 16:34:15 |
| Access level: | the public | Released: | 2009-09-03 07:39:54 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 24417. | M.K. Eagle. 1999. A new early Miocene Pseudarchaster (Asteroida: Echinodermata) from New Zealand. New Zealand Journal of Geology and Geophysics 42:551-556 [L. Villier/L. Villier] |