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Mount Tanigawa

Yubiso, Minakami city, Tone county, Gunma pref., Japan


Hornblende-hornfels facies serpentinite

Outcrop of serpentinite of Tanigawadake body in Joetsu Belt. The serpeninite of this outcrop is subjected contact metamorphism of hornblende-hornfels facies by Tanigawa Body, a Miocene quartz diorite.

Mount Tanigawa

Outcrop of serpentinite subjected to contact metamorphism of hornblende-hornfels facies. There are aggregates of fibrous crystals of anthophyllite below the coin.

Reported Minerals

  • Anthophyllite
  • Crysotile
  • Magnetite

Mineral Assemblages

  • Serpentine - Anthophyllite
  • Serpentine - Crysotile
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