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Obira mine, Ono-gun, Oita Prefecture, Kyushu Region, Japan
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Quartz
Obira mine, Ono-gun, Oita Prefecture, Kyushu Region, Japan

Photo: Kiyoshi Kiikuni
Latitude: 32°50'30"N
Longitude: 131°34'40"E
 
Name(s) in local language(s): 尾平鉱山
 
Miocene Cu-Zn-As-Sn veins and pyrometasomatic deposits produced by Miocene granite intrusion into Paleozoic sediments. Skarns developed by boron and fluorine injection into wall rock.

Mineral List

Mineral list contains entries from the region specified including sub-localities
Anatase
Andradite
Arsenic ?
Arsenopyrite
'Asbestos
var: Mountain Leather'

Axinite-(Fe)
'Axinite Group'
Axinite-(Mn)
Bismuthinite
Boulangerite
Brookite
Calcite
Cassiterite
Chalcopyrite
'Chlorite Group'
Clinochlore
Cookeite
Danburite
Datolite
Dravite ?
Fluorite
Galena
Grunerite
Hastingsite
Hedenbergite
Hemimorphite
'Hornblende'
Ilvaite
Jamesonite
'K Feldspar'
'Limonite'
Löllingite
Magnetite
Marcasite
Melanterite
Pyrite
Pyromorphite
Pyrrhotite
Quartz
Schorl
Sphalerite
Stannite
Stilpnomelane
Talc
'Tourmaline'
'Uvite'
Vesuvianite


53 entries listed. 38 valid minerals. 1 erroneous literature entry.

Localities in this Region

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. 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.

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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. 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 thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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