TrekGEO > Mineral Trail > Kanto region > Chiba pref. > Tobermorite

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Heguri-naka, Minami-Boso city, Chiba pref., Japan


Field of view: 20 mm. The lower white vein is probably tobermorite. The upper vein of white fibers is pectolite. The massive grayish-brown part at the right is tuff.

Recovered from a tobermorite vein in an accretionary complex subjected to Prehnite-Pumpellyite facies metamorphism.

Tobermorite from this location was described in 1975.

Other localities

  • Heguri (Tuff, Vein)
  • Hokizawa creek (Skarn, Massive)
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