TrekGEO > Mineral Trail > Kanto region > Tochigi pref. > Mount Orihime

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Mount Orihime

Ashikaga city, Tochigi pref., Japan

Occurrence

Groundwater deposition

Large scale of dendrite on the surface of Unit 3 of Kuzu Complex, a member of Jurassic accretionary complex Ashio Belt.

Mount Orihime

Outcrop of bedded chert of Unit 3 of Kuzu Complex associated with dendritic lithiophorite. The grayish-white host is chert, and the bluish-black part is lithiophorite. Thin dendritic lithiophorite is not rare, and called as dendrite. However, this unusual specimen is more than 5mm. The source of manganese is thought to be the bedded manganese deposits near by.

Reported Minerals

  • Lithiophorite

Mineral Assemblage

  • Chert(Host) - Lithiophorite

Localities

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