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Chichibu Mine

Otaki, Chichibu city, Saitama pref., Japan

Source for Gold


Field of view: 1 mm. A gold crystal in garnet-skarn. The yellow grain at the right is gold. The massive white host is quartz.

Recovered from an open space of a quartz vein in skarn formed by contact metamorphism of I-type (magnetite-series) quartz diorite. Formed in the late Miocene (6 Ma).

Gold from this location was described in 2002.

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