Where: Russian Federation (54.2° N, 142.6° E: paleocoordinates 55.9° N, 139.5° E)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Machigarskaya Formation, Early/Lower Oligocene (33.9 - 28.4 Ma)
• STRATIGRAPHIC RELATIONS: From the Machigarskaya suite of the "Machigar" horizon, which lies above Eocene coal-bearing layers (Late Miocene) and "Daekhuriin" horizons. THICKNESS: Total thickness of unit is 600 m. AGE: Early Pliocene, on the basis of classification into the "Machigar" horizon. STRATIGRAPHIC POSITION: Composite checklist for upper part of the "formation" in this area.
• formation-level stratigraphic resolution
Environment/lithology: coastal; unlithified, argillaceous, silty, conglomeratic, calcareous, carbonaceous sandstone
Size class: macrofossils
Collection methods: COLLECTOR: Unknown, presumably Uwatoko (c. 1937). REPOSITORY: Unknown repository.
Primary reference: A. I. Kafanov and K. Ogasawara. 2003. Neogene and Paleogene Molluscan (Bivalvia) Cenozones of Sakhalin and Kurile Islands. Science Reports, Institute of Geoscience, University of Tsukuba 24:45-79 [A. Hendy/A. Hendy]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 70518: authorized by Austin Hendy, entered by Austin Hendy on 27.03.2007
Creative Commons license: CC BY (attribution)