Help mindat.org|Log In|Register|
Home PageMindat NewsThe Mindat ManualHistory of MindatCopyright StatusManagement TeamContact UsAdvertise on Mindat
Donate to MindatSponsor a PageSponsored PagesTop Available PagesMindat AdvertisersAdvertise on MindatThe Mindat Store
Minerals by PropertiesMinerals by ChemistryRandom MineralSearch by minIDLocalities Near MeSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportAdd Glossary Item
StatisticsMember ListBooks & MagazinesMineral Shows & EventsThe Mindat DirectoryHow to Link to MindatDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Johkoku mine (Jôkoku mine; Jokoku mine), Kaminokuni, Hiyama Subprefecture, Oshima peninsula, Hokkaido, Japan

This page is currently not sponsored. Click here to sponsor this page.
 
 
Hydrothermal rhodochrosite veins mined for manganese and base metals. This was once the largest of Japan's numerous manganese mines; now closed. (1958 production: 105,652 tons crude rhodochrosite.) The Uwaban No. 5 vein also carried nickel minerals in a dolomite veinlet.

Mineral List



73 entries listed. 63 valid minerals. 1 type locality (valid mineral).

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. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

- Kamitani, M., Okumura, K., Teraoka, Y., Miyano, S., and Watanabe, Y. (2007): Mineral Resources Map of East Asia. Geological Survey of Japan.
- Hariya, Yu; Hasegawa, Kiyoshi (1979) Contact Metasomatic Zone and Massive Ore Body in Manganese Epithermal Deposits of the Jokoku Mine, Hokkaido, Japan. Jour. Fac. Sci., Hokkaido Univ., Ser. IV, vol. 19, nos. 1-2, March, 1979, pp. 265-272.

Mineral and/or Locality  
Copyright © mindat.org 1993-2015, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: January 31, 2015 00:56:42 Page generated: January 11, 2015 22:44:04