Where: New Zealand (35.0° S, 173.8° E: paleocoordinates 70.0° S, 160.2° E)
• coordinate estimated from map
• hand sample-level geographic resolution
When: Oruatemanu Formation, Griesbachian (252.3 - 251.3 Ma)
• Unit 2b
• bed-level stratigraphic resolution
Environment/lithology: basinal (siliceous); lithified chert
Size class: microfossils
Preservation: original silica
Collection methods: chemical, hydroflouric,
Primary reference: A. Takemura, M. Sakai, S. Sakamoto, R. Aono, S. Takemura and S. Yamakita. 2007. Earliest Triassic Radiolarians from the ARH and ARF sections on Arrow Rocks, Waipapa Terrane, Northland, New Zealand. GNS Science Monograph 24:97-107 [T. Danelian/T. Danelian] more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 95465: authorized by Taniel Danelian, entered by Taniel Danelian on 16.04.2010