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Harinoki Formation Geology Research Group for Nojiri-ko Excavation, 1997

• Type locality: Harinoki, Shinano city, Kamiminochi county, Nagano prefecture
• Coherent formation
• middle Pleistocene (Tephra)

• Sedimentary facies: Lacustrine
• Climate: Subarctic conifer forest
• Lithofacies: Peat-bearing silt, Silt

• Host: Harinoki Formation
• Thickness: ca. 4 - 7 m or thicker
• Upper limit: Unconformity (Akashio Loam)
• Lower limit: Unconformity (Mudflow deposit)

• Distribution: Harinoki, Shinano city, Kamiminochi county, Nagano pref.
• Fossils (Pollen): family Pinaceae
• Tephra: CA4, CA5, Kkt

• Nagamori et al. (2003) Geology of the Togakushi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 109p. (in Japanese with English abstract 3p.)