List of geological units in Wakayama prefecture

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A list of stratigraphic units, igneous bodies, and geological structures reported from Wakayama prefecture, Kinki region, Honshu island, Japan.

Photographs of geological units in Wakayama prefecture

Silurian-Devonian

Kurosegawa Belt: Mitaki Igneous Rocks; Sakaigawa Formation

Devonian (419.2-358.9 Ma)

Kurosegawa Belt: Terano Metamorphic Rocks

Jurassic (201.3-145.0 Ma)

Northern Chichibu Belt: Unit B-1; Unit A-1; Unit B-2; Unit B-3; Shimizu Formation

Southern Chichibu Belt

Shirasaki Limestone Member: Sh3 Bed; Sh2 Bed; Sh1 Bed

Jurassic - Cretaceous

Southern Chichibu Belt

Cretaceous (145.0-66.0 Ma)

Southern Chichibu Belt

Mikabu Unit: Kebara Formation

Shimanto Supergroup

Hidakagawa Group

Hanazono Formation

Yukawa Formation: A Unit; B Unit; C Unit; D Unit

Terasoma Formation

Miyama Formation

Ryujin Formation: R1; R2; R3; R4; R5; Ra; Rb; Rc; Rl; Rm; Ru

Izumi Group

Main facies: Kokawa Formation; Iwade Formation; Kada Formation

Kamimatsubara Formation

Cretaceous - Paleocene

Sanbagawa Belt

Mikabu Unit: Oishi Formation; Saga Formation; Nutada Formation

Paleogene - Neogene

Shimanto Supergroup

Niunokawa Formation

Otonashigawa Group

Haroku Formation: Kizetsukyo Conglomerate Member

Uridani Formation

Muro group

Miocene (23.03-5.33 Ma)

Kumano Group

Tanabe Group

Shirahama Formation: S5 Member; S4 Member; S3 Member; S2 Member; S1 Member

Asso Formation: Gochidani Member; Hisogawa Member; Maro Member; Iwayatani Member

Omine Granitic Rocks: Katago-Mukuro Body

Kumano Acidic Rocks

Kumano Granite Porphyry: Kozagawa Arculate Dyke

Shionomisaki Igneous Complex

Hashikuiiwa Dyke

Age unknown

Tochima Formation