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Maibara Loam

• Loam
• Pleistocene
• Correlation: A, B Beds of Kubiki Loam
• Correlation (Upper): Kamiyama Loam
• Correlation (Middle): Akashio Loam, Hanabusa Loam
• Correlation (Lower): Ogai Loam

• Lithofacies: Clayey volcanic ash

• Source (Upper): Myoko volcano
• Source (Middle): Kurohime volcano
• Source (Lower): Iizuna volcano
• Thickness: 3.2 - 6 m
• Lower limit: Unconformity (T₂ Terrace Deposit, T₃ Terrace Deposit, Higher 2 Terrace Deposit, Higher 3 Terrace Deposit, Maibara Terrace Deposit, Honokizaka Terrace Deposit)

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

• Distribution: Niigata pref.

• Yanagisawa et al. (2000) Geology of the Iiyama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 144p. (in Japanese with English abstract 6p.)
• Takeuchi et al. (2000) Geology of the Matsunoyama Onsen District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 76p. (in Japanese with English abstract 5p.)
• Yanagisawa et al. (1986) Geology of the Ojiya District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 177p. (in Japanese with English abstract 6p.)
• Yanagisawa et al. (1985) Geology of the Tokamachi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 104p. (in Japanese with English abstract 6p.)