2B (1500-1600 ft), Bikini Island: Early/Lower Miocene, Marshall Islands
collected by JTF 1947
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Angiospermae
- Magnoliales
- Myristicaceae
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Virola cancellata
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Ladd 1972 | ||||||
Gastropoda
- Turritellidae
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Vermicularia informal sp. A
Lamarck 1799
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Ladd 1972 | ||||||
Gastropoda
- Dialidae
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Diala stricta
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Ladd 1972 | ||||||
Gastropoda
- Rissoidae
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Rissoina (Schwartziella) aff. flexuosa
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Rissoina (Rissolina) harti
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Gastropoda
- Neritidae
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Smaragdia (Smaragdia) informal sp. A
Issel 1869
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see common names |
Geography
Country: | Marshall Islands |
Coordinates: | 11.6° North, 165.4° East (view map) |
Paleocoordinates: | 6.1° North, 179.0° East |
Basis of coordinate: | estimated from map |
Geographic resolution: | small collection |
Time
Period: | Neogene | Epoch: | Miocene |
10 m.y. bin: | Cenozoic 5 | ||
Key time interval: | Early/Lower Miocene | ||
Age range of interval: | 23.03000 - 15.97000 m.y. ago |
Stratigraphy
Local section: | 2B | Local bed: | 1550 ft | ||
Local order: | top to bottom | ||||
Regional section: | Bikini Island | Regional bed: | 1550 ft | ||
Regional order: | top to bottom | ||||
Stratigraphic resolution: | group of beds | ||||
Stratigraphy comments: STRATIGRAPHIC RELATIONS: From an undifferentiated lithostratigraphic unit. AGE: Early Miocene, on the basis of foraminiferal biostratigraphy. STRATIGRAPHIC POSITION: A composite from several beds within the section of drill core of 1500-1600 ft. |
Lithology and environment
Primary lithology: | poorly lithified not reported |
Includes fossils? | Y |
Lithology description: LITHOLOGY: Unknown, probably carbonate. LITHIFICATION: Poorly-lithified, on the basis of figured specimens. | |
Environment: | carbonate indet. |
Geology comments: EMVIRONMENT: Not stated, but shallow marine carbonate facies. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Collection excludes: | some macrofossils | ||
Collection methods: | core,field collection | ||
Reason for describing collection: | taxonomic analysis | ||
Museum repositories: | USNM | ||
Collectors: | JTF | Collection dates: | 1947 |
Collection method comments: COLLECTOR: Operation Crossroads, Joint Task Force One, 1947. REPOSITORY: USNM. | |||
Taxonomic list comments:COEVERAGE: Representative, but not exhaustive for gastropoda. NOMENCLATURE: An authoritative publication with relatively modern nomenclature, subgenus- and species-level identifications. IDENTIFIER: H. S. Ladd. |
Metadata
Database number: | 78029 | ||
Authorizer: | A. Hendy | Enterer: | A. Hendy | Research group: | marine invertebrate |
Created: | 2008-01-25 07:26:09 | Last modified: | 2013-11-25 13:37:23 |
Access level: | authorizer only | Released: | 2009-01-25 07:26:09 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
26223. | H. S. Ladd. 1966. Chitons and Gastropods (Haliotidae through Adeorbidae) from Western Pacific Islands. United States Geological Survey Professional Paper 531:1-98 [A. Hendy/A. Hendy/J. Millet] |
Secondary references:
11409 | H. S. Ladd. 1972. Cenozoic fossil mollusks from Western Pacific Islands; Gastropods (Turritellidae through Strombidae). United States Geological Survey Professional Paper 532:1-79 [A. Miller/A. Hendy/A. Hendy] |