TrekGEO > Mineral Trail > Tokai region > Shizuoka pref. > Datolite

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Mount Chiba

Chiba, Shimada city, Shizuoka pref., Japan


Field of view: 10 mm. Datolite crystals associated with laumontite. The colorless grains are datolite. The dark green part at the lower left is host tuff breccia.

Recovered from an open space of a laumontite vein in basaltic tuff breccia subjected to Prehnite-Pumpellyite facies metamorphism.

Datolite from this location was described in 1979.

Other localities

  • Chibayama (PrP facies, Granular)
  • Kami-Ochiai (PrP facies, Axinite)
  • Nakayashiki (PrP facies, Prehnite)
  • Obira Mine (Skarn, Axinite)
  • Toroku Mine (Skarn, Axinite)
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