Mino Terrane, Yukawa Complex, Norikuradake (NK Section), NKI17: Middle Toarcian - Aalenian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Polycystinea - Spumellaria - Tritrabidae
? Tritrabs spp. Baumgartner 1980
Polycystinea - Nassellaria - Hsuidae
    = Hsuum exiguum
Gorican et al. 2006
Carter et al. 2010
Polycystinea - Nassellaria
Polycystinea - Nassellaria - Eucyrtidiellidae
Eucyrtidiellum sp. Baumgartner 1984
Carter et al. 2010
Polycystinea - Nassellaria - Eucyrtidiidae
of Yao (1982)
Polycystinea - Nassellaria - Parvicingulidae
Gorican et al. 2006
Parvicingula spp. Pessagno 1977
see common names

Geography
Country:Japan
Coordinates: 36.1° North, 137.6° East (view map)
Paleocoordinates:47.3° North, 160.7° East (Wright 2013)
Basis of coordinate:stated in text
Geographic resolution:hand sample
Time
Period: Jurassic Epoch: Early Jurassic - Middle Jurassic
Stage: Toarcian - Aalenian 10 m.y. bin: Jurassic 3 - Jurassic 4
Key time interval: Middle Toarcian - Aalenian Other zone:  Mesosaturnalis hexagonus
Age range of interval: 182.9 - 170.9 m.y. ago
Stratigraphy
Local section:NK Local bed:NKI17
Local order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: +0 m just below the red shale
Interval data was entered using the zonation in Carter et al. 2010 and the notes in Gorican et al., 2006.
Lithology and environment
Primary lithology: lithified chert
Includes fossils?Y
Environment:basinal (siliceous) Tectonic setting:deep ocean basin
Taphonomy
Modes of preservation:body
Size of fossils:microfossils
Preservation of anatomical detail:good
Collection methods and comments
Reason for describing collection:taxonomic analysis
Metadata
Database number:124896
Authorizer:J. Pálfy Enterer:A. Kocsis
Modifier:P. Wagner
Created:2012-02-28 02:56:14 Last modified:2025-02-22 15:12:02
Access level:the public Released:2012-02-28 02:56:14
Creative Commons license:CC0
Reference information

Primary reference:
40443. R. S. Hori and T. Otsuka. 1989. Early Jurassic Radiolarians from the Mt. Norikuradake Area, Mino Terrane, Central Japan. Journal of Geosciences, Osaka City University 32(6):175-199 [J. Pálfy/A. Kocsis]

Secondary references:

38346 E. S. Carter, S. Goričan, J. Guex, L. O'Dogherty, P. De Wever, P. Dumitrica, R. S. Hori, A. Matsuoka, and P. A. Whalen. 2010. Global radiolarian zonation for the Pliensbachian, Toarcian and Aalenian. Palaeogeography, Palaeoclimatology, Palaeoecology 297:401-419 [J. Pálfy/A. Kocsis/M. Uhen]
40282 S. Gorican, E. S. Carter, P. Dumitrica, P. A. Whalen, R. S. Hori, P. De Wever, L. O'Dogherty, A. Matsuoka, and J. Guex. 2006. Catalogue and systematics of Pliensbachian, Toarcian and Aalenian radiolarian genera and species 446 [J. Pálfy/A. Kocsis]