Sampling Locality I, Ukari Fm near Yamanashi, Japan (Pliocene of Japan)

Also known as Samples 1-10, and 302-303

Where: Japan (34.8° N, 137.9° E: paleocoordinates 35.5° N, 137.1° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Ukari Formation (Kakegawa Group), Pliocene (5.3 - 2.6 Ma)

• Reference section of Pliocene rocks in Japan

• formation-level stratigraphic resolution

Environment/lithology: coastal; lithified, fine-grained sandstone and tuff

• sandstone facies (Ukari Fm) said to be deposited on a shelf.
• Ukari formation- fine grained sandstone. In central and southeastern parts of the area, the Ukari Fm grades laterally into a sandstone-siltstone alternation of turbidite facies (Horinouchi Fm). A tuff bed (T-3 tuff) is interbedded in the middle of the fine-grained sandstone of the Ukari Fm, and the tuff layer is less than 1m thick.

Size classes: macrofossils, mesofossils, microfossils

Preservation: original aragonite, original calcite

Collection methods: bulk,

• There were 200-1500 individual forams present in each sample. The number of mollusc individuals per sample is not reported. Forams were extracted from blocks of sediment weighing 1-2kg each.

Primary reference: K. Chinzei and M. Aoshima. 1976. Marine Thermal Structure of the Plio-Pleistocene Warm Water in Central Japan. Journal of the Faculty of Science, University of Tokyo 19(3):179-203 [A. Miller/K. Bulinski/K. Bulinski]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 45507: authorized by Arnold Miller, entered by Kate Bulinski on 26.10.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

• Molluscs reported are all observed taxa in the given area. Forams in list are only those that were analyzed for oxygen isotope ratios and include only the most common foram species.
Gastropoda
 Neogastropoda - Volutidae
 Neogastropoda - Olividae
 Neogastropoda - Drilliidae
 Neogastropoda - Nassariidae
 Neogastropoda - Buccinidae
Bivalvia
 Nuculanida - Nuculanidae
Saccella gordonis pointed nut clam
 Carditida - Crassatellidae
"Crassatellites takanabensis" = Crassatella
"Crassatellites takanabensis" = Crassatella clam
 Cardiida - Veneridae
"Clementia papyracea" = Clementia (Clementia) papyracea Gray 1825 venus clam
Paphia cf. exilis Shuto 1957 venus clam
Dosinia japonica venus clam
Venus foveolata Sowerby 1853 venus clam
 Cardiida - Cardiidae
 Arcida - Arcidae
 Arcida - Glycymerididae
 Arcida - Limopsidae
Globothalamea
 Rotaliida - Discorbidae
Foraminifera
 Globigerinoidea - Globigerinidae
Globigerina sp. d'Orbigny 1826
Globigerinoides ruber d'Orbigny 1839
Nodosariata
 Vaginulinida - Vaginulinidae
Foraminifera
 Rotalioidea - Ammoniidae
 Rotaliina - Bolivinidae
Bolivina subangularis
Bolivina subangularis ogasaensis
 Buliminacea - Siphogenerinoididae