Minoyama, Yawata: Middle Pleistocene, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Pinopsida - Pinales - Pinaceae
Angiospermae - Sapindales - Sapindaceae
Angiospermae - Rosales - Ulmaceae
Zelkova sp. leaf Spach 1841
Angiospermae - Rosales - Rhamnaceae
Angiospermae - Fagales - Betulaceae
Angiospermae - Fagales - Fagaceae
Angiospermae - Fabales - Fabaceae
Albizia kalkora leaf (Roxburgh 1820)
1 specimen
Xishuangbanna Tropical Botanical Garden, AM335-1
Angiospermae - Moraceae
Angiospermae - Laurales - Lauraceae
Angiospermae - Lamiales - Oleaceae
Angiospermae - Aquifoliales - Aquifoliaceae
Ilex cornuta leaf Lindley and Paxton 1851
see common names

Geography
Country:Japan State/province:Kyoto
Coordinates: 34.8° North, 135.7° East (view map)
Paleocoordinates:
Basis of coordinate:stated in text
Geographic resolution:outcrop
Time
Period: Quaternary Epoch: Pleistocene
Stage: Chibanian 10 m.y. bin: Cenozoic 6
Key time interval: Middle Pleistocene
Age range of interval: 0.774 - 0.129 m.y. ago
Age estimate: maximum 0.42 ± 0.08 Ma (fission track)
Stratigraphy
Geological group:Osaka Formation:Shoudai
Stratigraphic resolution:bed
Stratigraphy comments: "The leaf fossil assemblage was in fluvial silt 2.5 m below the Kasuri tephra bed, dated to 0.42 ± 0.08 Ma by the FT method (Suzuki, 1988). The Ma 8 marine clay bed situated just at or several meters above the Kasuri tephra bed in this area (Mitamura, 1992) was correlated with MIS 13 (Yoshikawa & Mitamura, 1999), which was astronom- ically tuned to ca. 0.5 Ma (Lisiecki & Raymo, 2007)." (Ito et al. 2017)
Lithology and environment
Primary lithology: siltstone
Environment:fluvial indet.
Taphonomy
Modes of preservation:adpression
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Metadata
Also known as:Mitamura (1992) No. 110
Database number:224408
Authorizer:B. Allen Enterer:B. Allen
Modifier:B. Allen
Created:2022-03-01 04:09:16 Last modified:2025-02-22 15:12:02
Access level:the public Released:2022-03-01 04:09:16
Creative Commons license:CC0
Reference information

Primary reference:

80805. A. Ito, A. Momohara, and Z. K. Zhou. 2017. Pleistocene fossil leaflets of Albizia kalkora (Roxb.) Prain (Leguminosae subfamily Mimosoideae) from central Honshu, Japan, and its implications for historical biogeography. Japanese Journal of Historical Botany 26(1):3-13 [B. Allen/B. Allen]