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Older Haruna Volcanic Products Geshi and Takeuchi, 2012

• Type locality: Haruna shrine - Mount Kamongatake, Harunasan town, Takasaki city, Gunma prefecture
• Volcanic rocks
• middle Pleistocene (ca. 0.5 - 0.24 Ma)
• Contemporaneous heterotopic facies, Interfingered: Older Haruna Volcanic Fan Deposits
• Intruded by: Older Haruna Volcanic Dykes, Somayama Lava

• Sedimentary facies: Terrestrial
• Sedimentary facies: Pyroclastic cone deposits
• Sedimentary facies (Mount Tenmoku): Lava dome
• Lithofacies: Tholeiite
• Lithofacies: Orthopyroxene clinopyroxene andesite lava, Volcanic breccia
• Lithofacies (Minor): Scoriaceous agglutinates, Tuffaceous silt

• Source: southern part of Lake Haruna
• Upper limit: Unconformity (Shirakawa Pyroclastic Flow Deposit, Jagatake Lava, Somayama Lava, Mizusawayama Lava, Mizusawayama Pyroclastic Flow Deposit and Talus Deposit, Futatsudake Lava)
• Lower limit: Unconformity (Garameki Formation)

------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

• Distribution: Haruna shrine - Mount Kamongatake - Mount Sumongatake - north shore of Lake Haruna, Harunasan town, Takasaki city, Gunma pref.; 700 m above sea level or higher, Mount Haruna, Harunasan town, Takasaki city, Gunma pref.; Ikaho hot spring, Ikaho town, Shibukawa city, Gunma pref.; Funao fall, Yoshioka city, Kitagunma county, Gunma pref.

• Geshi and Takeuchi (2012) Geology of the Haruna San District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 79p. (in Japanese with English abstract 3p.)