Sample B - Kannondake Fm, Miike: Middle Eocene, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Ostreida - Ostreidae
"Ostrea" sp. Linnaeus 1758
Bivalvia - Carditida - Carditidae
Venericardia nipponica Yokoyama 1911
recombined as Venericardia (Venericor) nipponica
see common names

Geography
Country:Japan
Coordinates: 33.1° North, 130.5° East (view map)
Paleocoordinates:40.4° North, 124.3° East
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Paleogene Epoch:Eocene
Key time interval:Middle Eocene
Age range of interval:48.60000 - 37.20000 m.y. ago
Stratigraphy
Formation:Kannondake
Stratigraphic resolution:bed
Stratigraphy comments: STRATIGRAPHIC RELATIONS: From Kannondake Fm, which conformably overlies the Middle Eocene Hokonoko Fm. THICKNESS: From bed within formation of group that attains a thickness of 40 m. AGE: Middle Eocene, based on molluscan biostratigraphy. STRATIGRAPHIC POSITION: From near the base of the formation, below Sample A and above sample C.
Lithology and environment
Primary lithology:coarse lithified sandstone
Includes fossils?Y
Lithology description: SPECIFIC LITHOLOGY: Coarse-grained sandstone. LITHIFICATION: Presumed lithified on the basis of age.
Environment:coastal indet.
Geology comments: ENVIRONMENT: Shallow marine, siliciclastic environment.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:surface (float),field collection
Reason for describing collection:biostratigraphic analysis
Collection method comments: COLLECTOR: Sugai and Furukawa (c. 1960). REPOSITORY: Not stated in text, unknown.
Taxonomic list comments:COVERAGE: Exhaustive for gastropoda and bivalvia. NOMENCLATURE: Farly modern nomenclature, and species-level assignments.
Metadata
Database number:71024
Authorizer:A. Hendy Enterer:A. Hendy
Modifier:A. Hendy Research group:marine invertebrate
Created:2007-04-14 20:52:38 Last modified:2013-11-25 13:37:23
Access level:authorizer only Released:2008-04-14 20:52:38
Creative Commons license:CC BY
Reference information

Primary reference:

23772. A. Mizuno. 1964. Paleogene and Early Neogene molluscan faunae in West Japan. Geological Survey of Japan Report 204 [A. Hendy/A. Hendy]