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Regional Report: Chichi Island (Chichijima), Chichijima Group, Ogasawara Islands, Tokyo Prefecture, Japan

Amygdaloidal andesitic volcanics. Politically belongs to Tokyo Prefecture, although it lies in the Pacific Ocean far south of Honshu Island (where the city of Tokyo itself is located), about 1,000 km SSE of Tokyo city. Type locality for the volcanic rock type "boninite". Nature protected area.

For full locality listing click here. Alternatively: Click here for heirarchical list of localities in Chichi Island (Chichijima), Chichijima Group, Ogasawara Islands, Tokyo Prefecture, Japan

  • 'Apophyllite' - 5, 9, 2
  • Apophyllite-(KF) - 1
  • Augite - 1
  • Calcite - 1, 5, 10, 2, 4
  • Celadonite - 1
  • 'Chabazite' - 5, 2
  • 'Chalcedony' - 1, 7, 5, 11, 10, 8, 6, 3, 4
  • 'Clay' - 5, 10, 2, 4
  • Clinoenstatite - 1
  • 'Clinoptilolite' - 1
  • 'Dachiardite' - 11, 3
  • 'Erionite' - 2
  • Forsterite - 1
  • 'Heulandite' - 1, 5, 11, 10, 8, 6, 2, 3, 4
  • Heulandite-Ca - 1
  • Heulandite-Na - 1
  • Mordenite - 1, 11, 3
  • Opal - 11, 3
  • 'Phillipsite' - 5, 2
  • Pyrite - 1


    • 20 minerals listed.

    Locality Key
    1Chichi Island (Chichijima), Chichijima Group, Ogasawara Islands, Tokyo Prefecture, Japan
    2Kita-hatsuneura (1), Chichi Island (Chichijima), Chichijima Group, Ogasawara Islands, Tokyo Prefecture, Japan
    3Kita-hatsuneura (2), Chichi Island (Chichijima), Chichijima Group, Ogasawara Islands, Tokyo Prefecture, Japan
    4Minami-hatsuneura, Chichi Island (Chichijima), Chichijima Group, Ogasawara Islands, Tokyo Prefecture, Japan
    5Miyanohama, Chichi Island (Chichijima), Chichijima Group, Ogasawara Islands, Tokyo Prefecture, Japan
    6Nagasaki, Chichi Island (Chichijima), Chichijima Group, Ogasawara Islands, Tokyo Prefecture, Japan
    7Ogiura, Chichi Island (Chichijima), Chichijima Group, Ogasawara Islands, Tokyo Prefecture, Japan
    8Okumura, Chichi Island (Chichijima), Chichijima Group, Ogasawara Islands, Tokyo Prefecture, Japan
    9Omura, Chichi Island (Chichijima), Chichijima Group, Ogasawara Islands, Tokyo Prefecture, Japan
    10Sakaiura, Chichi Island (Chichijima), Chichijima Group, Ogasawara Islands, Tokyo Prefecture, Japan
    11Susaki, Chichi Island (Chichijima), Chichijima Group, Ogasawara Islands, Tokyo Prefecture, Japan

    The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database!
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 13th Nov 2009 00:09:37