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Fukazawa Unit (Takashima and Koike, 1984) Ueki and Sakai, 2007

Invalid synonym: Fukazawa Formation, Kawai Formation

• Type locality: Fukazawa, Oguno, Akiruno city, Tokyo
• Accretionary complex
• Deposition (Limestone): Carboniferous, Visean (Fossils); Permian (Fusulinids)
• Deposition (Sandstone, Shale): Triassic, Carnian - Norian
• Deposition (Mudstone): Middle Jurassic (Radiolarians)
• Accretion: Middle Jurassic, Bajocian - Late Jurassic, Kimmeridgian
• Correlation: Kawanori Unit
• Correlation (Limestone): Torinosu Group

• Sedimentary facies: Marine
• Lithofacies: Mélange facies
• Exotic blocks (Crusts, Slabs): Sandstone, Chert, Limestone, Basaltic lava, Volcaniclastic rocks

• Upper limit: Unconformity (Sajikami Conglomerate Member, Yamada Formation, Kasumi Formation)

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

• Distribution: Mount Kappoyama - Fukazawa - Minamisawa - Taru - Shinkani, Hoshitake, Akiruno city, Tokyo
• Fossils (Kawai Formation, Limestone, Fusulinids): Acervoschwagerina endoi, Beedeina higoensis, Biwaella omiensis, Cancellina sp., Chusenella cambodiensis, Chusenella ohtakiensis, Codonofusiella cuniculata, Dunbarula sp., Eostaffella sp., Fusulinella sp., Fusulinella? prolofica, Lepidolina multiseptata, Metadoliolina multivoluta, Misellina cf. dyhrenfurthi, Monodiexodina sp., Nagatoella orientalis, Nankinella kotakiensis, Neoschwagerina craticulifera, Neoschwagerina margaritae, Neoschwagerina minoensis, Neoschwagerina simplex, Paradoxiella jpaonica, Parafusulina sp., Paraschwagerina sp., Profusulinella rhomboides, Protriticites (Obsoletus) sp., Pseudodoliolina pseudolepida, Pseudofusulina alpina, Pseudofusulina fusiformis, Pseudofusulina kraffti, Pseudofusulina vulgaris, Pseudoschwagerina cf. subsphaerica, Pseudostaffella sp., Reichelina sp., Schubertella kingi, Schwagerina sp., Toriyamaia laxiseptata, Triticites? ellipsoidalis, Triticites? sonobensis, Verveekina verveeki, Yabeina katoi
• Fossils (Kawai Formation, Radiolarians): Amphipyndax sp., Archicapsa sp., Archaeodictyomitra sp., Archaeospongoprunum sp., Archaeospongoprunum? compactum, Archaeospongoprunum? japonicum, Beturiella sp., Canoptum sp., Canutus sp., Capnuchosphaera sp., Crucella sp., Dictyomitra sp., Dictyomitrella? kamoensis, Emiluvia? sp., Eptingium cf. manfredi, Eucyrtidium? unumaensis, Foremanina sp., Hsuum sp., Lupherium officerense, Napora sp., Pantanellium aff. foveatum, Parahsuum sp., Parentactina nakatsugawensis, Paronaella sp., Parvicingula sp., Pentactinocarpus cf. acanthicus, Praeconocaryomma sp., Protunuma cf. fusiformis, Saitoum sp., Sethocapsa? sp., Spongocapsula sp., Spongosaturnalis? hexagonus, Spongosaturnalis? tetrasponus, Staurolonche sp., Staurodoras variavilis, Stichocapsa japonica, Tricolocapsa cf. fusiformis, Tricolocapsa plicarum, Tricolocapsa cf. rüstiTriassocampe cf. scalaris, Tripilidium rotundum, Trpocyclia sp., Tritrabe sp., Unuma sp., Williriedellum? sp., Wrangellim sp., Yeharaia sp., Zartus sp.
• Fossils (Kawai Formation, Conodonts): Anchignathodus minutus minutus, Carinella muongoensis, Cavusgnathus regularis, Chirodella dinodoides, Cornudina breviramulis minor, Cornudina tortilis, Cypridodella mediocris, Cypridodella muelleri, Diplododella acroforma, Diplododella magnidentata, Diplognathodus oertlii, Ellisonia triassica, Enantiognathus ziegleri, Epigondolella abneptis, Furnishius triserratus, Gladigondolella malayensis, Gladigondolella tethydis, Gnathodus cf. bassleri bassleri, Gnathodus bilineatus, Gnathodus commutatus, Gnathodus nagatoensis, Gnathodus nodosus, Gnathodus opimus, Gondolella fujimotoi, Hindeodella sp., Idiognathodus sp., Ligonodina sp., Lonchodina sp., Misikella hernsteini, Neogondolella bisselli, Neogondolella bulgarica, Neogondolella foliata, Neogondolella cf. haslachensis, Neogondolella navicula steinbergensis, Neogondolella nodosa, Neogondolella polygnathiformis, Neohindeodella aequidentata, Neohindeodella aequiramosa, Neohindeodella andrusovi, Neohindeodella benderi, Neohindeodella bogschi, Neohindeodella multihamata, Neohindeodella suevica, Neohindeodella triassica, Neoplectospathodus muelleri, Neospathodus homeri, Neospathodus waageni, Oxinagnathus corrugatus, Ozarkodina sp., Streptognathodus elongatus, Sweetognathus whitei, Synprioniodina sp., Xaniognathus kockeli, Xaniognathus saginatus, Xaniognathus stoppeli
• Fossils (Iwai, Triassic, Ammonoids): Aspenites sp., Dieneroceras iwaiense, Juvenites sp., Owenites shimizui, Paranannites sp.
• Fossils (Iwai, Triassic, Shellfishes): Angustella sp., Halobia cf. austriaca, Halobia molukkana, Monotis ambigua, Monotis iwaiensis, Monotis ochotica, Monotis ochotica var. densistriata, Monotis ochotica var. eurachis, Monotis pachypleura, Monotis zabaikalica, Monotis zabaikalica var. intermedia, Myophoria sp., Palaeoneilo spp., Trigonucula sakawana tokombensis
• Fossils (Iwai, Triassic, Limestone, Conodonts): Elisonia triassica, Furnishius priserratus, Neospathodus waageni

• Ueki and Sakai (2007) Geology of the Ome District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 189p. (in Japanese with English abstract 5p.)
• Sakai (1987) Geology of the Itsukaichi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 75p. (in Japanese with English abstract 5p.)