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Maruyama Isshiki, 1960

• Volcanic rocks
• Parasitic cone
• Pleistocene - Holocene

• Sedimentary facies: 4 craters

• Distribution (Diameter, Crater): 150 m

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

• Distribution: Mount Maruyama, Miyake city, Tokyo

• Isshiki (1960) Miyake-jima, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 85p. (in Japanese with English abstract 5p.)