F-1 (300-400 ft), Eniwetok Atol: Late/Upper Pliocene, Marshall Islands
collected by ONR and USGS 1952

List of taxa
Where & when
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Cardiida - Cardiidae
Cardium sp. Linnaeus 1758
Bivalvia - Cardiida - Veneridae
Veneridae indet. Rafinesque 1815
Listed as "venerids"
Polyplacophora - Chitonida - Chitonidae
Lucilina informal sp. B (Dall 1882)
Ladd 1966
original and current combination Tonicia (Lucilina)
see common names

Country:Marshall Islands
Coordinates: 11.7° North, 162.2° East (view map)
Paleocoordinates:10.6° North, 164.6° East
Basis of coordinate:estimated from map
Geographic resolution:small collection
Period:Neogene Epoch:Pliocene
Stage:Piacenzian 10 m.y. bin:Cenozoic 6
Key time interval:Late/Upper Pliocene
Age range of interval:3.60000 - 2.58800 m.y. ago
Local section:F-1 Local bed:350 ft
Local order:top to bottom
Regional section:Eniwetok Atol Regional bed:350 ft
Regional order:top to bottom
Stratigraphic resolution:group of beds
Stratigraphy comments: STRATIGRAPHIC RELATIONS: From an undifferentiated lithostratigraphic unit. AGE: Late Pleistocene, on the basis of stratigraphic position. STRATIGRAPHIC POSITION: A composite from several beds within the section of drill core of 300-400 ft.
Lithology and environment
Primary lithology:fine,coarse,shelly/skeletal unlithified "limestone"
Includes fossils?Y
Lithology description: SPECIFIC LITHOLOGY: Coral and shell limestone; fine to coarse, uncemeneted to weakly cemented limestone made up of coral fragments and mollusk shells, many worn and broken. LITHIFICATION: Unlithified, on the basis facies description and figured specimens.
Environment:reef, buildup or bioherm
Geology comments: ENVIRONMENT: Carbonate facies. Shallow water, assumed to be reefal. No paleoenvironmental data presented.
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:some genera
Collection methods:core,field collection
Reason for describing collection:taxonomic analysis
Museum repositories:UNSM
Collectors:ONR and USGS Collection dates:1952
Collection method comments: COLLECTOR: Office of Naval Research and USGS, 1952. REPOSITORY: USNM.
Taxonomic list comments:COEVERAGE: Representative, but not exhaustive of bivalvia and gastropoda. NOMENCLATURE: Mixture of some slightly antiquated and broad identifications and more modern nomenclature, subgenus- and species-level identifications from an authoritative publication. IDENTIFIER: H. S. Ladd.
Database number:43332
Authorizer:A. Hendy Enterer:A. Hendy
Modifier:A. Hendy Research group:marine invertebrate
Created:2004-08-12 02:50:43 Last modified:2013-11-25 13:37:23
Access level:authorizer only Released:2005-08-12 02:50:43
Creative Commons license:CC BY
Reference information

Primary reference:

11427. H. S. Ladd and S.O. Schlanger. 1960. Drilling operations on Eniwetok Atoll. United States Geological Survey Professional Paper 260(Y):863-903 [A. Miller/A. Hendy/A. Hendy]

Secondary references:

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]