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Kurohone-Kiryu Complex (Kamata, 1995) Kamata, 1996
- Type locality (Upper): Mogurazawa creek, Hishimachi town, Kiryu city, Gunma prefecture
- Type locality (Lower): Lake Matsuda - Noyama forest road, Matsuda town, Ashikaga city, Tochigi prefecture
- Accretionary complex
- Deposition (Limestone): Late Triassic (Conodonts)
- Deposition (Siliceous claystone): Early Triassic (Conodonts)
- Deposition (Chert): Permian (Conodonts), Triassic (Conodonts, Radiolarians), Jurassic (Radiolarians)
- Deposition (Siliceous mudstone): Middle Jurassic, Bajocian - early Bathonian, late Bathonian - Callovian
- Deposition (Mudstone): Middle Jurassic, Bajocian - early Bathonian (Radiolarians)
- Accretion: Middle Jurassic
- Correlation: Kanayama Formation, Karasuyama Unit
- Intruded by: Ashikaga Body
- Sedimentary facies: Marine
- Lithofacies: Coherent facies, Broken facies
- Lithofacies (Lower, Minor): Mélange facies
- Lithofacies: Mudstone, Chert
- Lithofacies (Minor): Siliceous claystone, Carbonate rocks, Siliceous mudstone, Pelitic mélange, Sandstone, Basaltic rocks
- Lithofacies (Upper): Mudstone dominant
- Lithofacies (Lower): Chert, Siliceous clystone dominant
- Thickness: 4 km or thicker
- Thickness (Upper): ca. 1 km
- Thickness (Lower): 3 km or thicker
- Upper limit: Kiryugawa Fault, Kanma Fault
- Upper limit: Abut unconformity (Hikoma Formation)
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Hishimachi town - Kurohone town, Kiryu city, Gunma pref.; Midori city, Gunma pref.; Ashikaga city - Sano city - Kanuma city, Tochigi pref.
- Ito et al. (2022) Geology of the Kiryu and Ashikaga District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 101p. (in Japanese with English abstract 4p.)
- Yamakita and Otoh (2000) Structural Geology, vol.44, pp.5-32
- Kawata and Ozawa (1955) Ashio, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 57p. (in Japanese with English abstract 7p.)