Section 2, SM-11A, Stanley Mountain, California: Late/Upper Kimmeridgian, California
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Protozoa
- Nassellaria
- Spongocapsulidae
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Spongocapsula hooveri
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rare category | |||||||||
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Protozoa
- Nassellaria
- Parvicingulidae
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Mirifusus baileyi
Pessagno 1977
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Hull 1995 | common category | ||||||||
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Protozoa
- Nassellaria
- Eucyrtiidae
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Minocapsa horokanaiensis
(Kawabata 1988)
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rare category | |||||||||
| recombined as Tetracapsa horokanaiensis | ||||||||||
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Protozoa
- Nassellaria
- Eucyrtidiidae
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? Stichomitra takanoensis
Aita 1987
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rare category | |||||||||
| group | ||||||||||
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Protozoa
- Nassellaria
- Williriedellidae
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Praezhamoidellum frequens
(Tan Sin Hok 1927)
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rare category | |||||||||
| recombined as Williriedellum frequens | ||||||||||
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Complexapora kiesslingi
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rare category | |||||||||
| synonym of Zhamoidellum | ||||||||||
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Minocapsa aitai
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rare category | |||||||||
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Protozoa
- Nassellaria
- Archaeodictyomitridae
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Archaeodictyomitra oleadita
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rare category | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | California |
| Coordinates: | 35.1° North, 120.2° West (view map) | ||
| Paleocoordinates: | 29.9° North, 64.6° West | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | hand sample |
Time
| Period: | Jurassic | Epoch: | Late/Upper Jurassic |
| Stage: | Kimmeridgian | 10 m.y. bin: | Jurassic 5 |
| Key time interval: | Late/Upper Kimmeridgian | ||
| Age range of interval: | 152.20000 - 149.20000 m.y. ago |
Stratigraphy
| Geological group: | Volcanopelagic Succession | Formation: | Unit 2 | ||
| Local section: | Section 2 | Local bed: | 75 m | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Zone 3 alpha - revision of chronostratigraphic assignment based on Baumgarnter et al. (1995) and Kiessling et al. (1999) | |||||
Lithology and environment
| Primary lithology: | red or brown lithified cherty/siliceous mudstone | ||
| Lithology description: Reddish-brown siliceous mudstones | |||
| Environment: | basinal (siliceous) | Tectonic setting: | deep ocean basin |
Taphonomy
| Modes of preservation: | body,original silica |
| Size of fossils: | microfossils |
| Preservation of anatomical detail: | good |
| Abundance in sediment: | common |
Collection methods and comments
| Collection methods: | bulk,hydrochloric,hydroflouric,field collection |
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: Radiolarians only | |
Metadata
| Database number: | 50742 | ||
| Authorizer: | W. Kiessling | Enterer: | W. Kiessling |
| Modifier: | W. Kiessling | Research group: | micropaleontology |
| Created: | 2005-05-20 01:36:13 | Last modified: | 2005-05-20 04:41:38 |
| Access level: | the public | Released: | 2005-05-20 01:36:13 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 13552. | D. M. Hull. 1997. Upper Jurassic Tethyan and Southern Boreal radiolarians from western North America. Micropaleontology 43(S2):1-202 [W. Kiessling/W. Kiessling/M. Uhen] |
Secondary references:
| 13556 | D. M. Hull. 1995. Morphologic diversity and paleogeographic signficance of the family Parvicingulidae (Radiolaria). Micropaleontology 41:1-48 [W. Kiessling/W. Kiessling/W. Kiessling] |