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Higher I Terrace Deposits

Invalid synonym: lower Mikata Gravels

• Coherent formation
• middle Pleistocene
• Correlation: Higher Terrace Deposits

• Sedimentary facies: Fluvial
• Lithofacies (Upper): Sand-dominant
• Lithofacies: Sands, Gravels
• Sedimentary structures: Upward-fining

• Thickness (Upper): ca. 1 m
• Thickness: 10 - 25 m or thicker
• Upper limit: Unconformity (Higher II Terrace Deposits, Middle I Terrace Deposits, Loam)
• Lower limit: Unconformity (Tamba Belt, Kumodaniyama Granite)

• Distribution: Mikata junior high school, Kiyama, Wakasa city, Mikatakaminaka county, Fukui pref.; Kumotani, Mihama city, Mikata county, Fukui pref.

• Nakae et al. (2002) Geology of the Nishizu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 90p. (in Japanese with English abstract 3p.)