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Akagane mine, Esashi City, Iwate Prefecture, Tohoku Region, Honshu Island, Japan
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Latitude: 39°10'N
Longitude: 141°20'E
 
 
A small skarn-type copper and iron ore deposit, mined from 1912 until 1974 (1958 production 19,000 t Fe; average Fe content of ore 39.5%). Carboniferous pyroclastic and sedimentary rocks (greenstone and limestone) are cut by igneous intrusions (quartz porphyry, porphyrite, gabbro, granite and granodiorite). The ore body and the skarn are developed along the contact zone of gabbro.

Mineral List

Akaganeite (TL)
'Albite-Anorthite Series'
Andradite
var: Melanite
'Apatite'
Arsenopyrite
Axinite-(Fe)
Baghdadite
Bicchulite
Bismuth
Bismuthinite
Böhmite
Calcite
Chalcopyrite
Chamosite
Clintonite
Dellaite
Diopside
Epidote
Ferro-actinolite
Foshagite
Gahnite
Gehlenite
Goethite
Greigite
Grossular
Hematite
Hisingerite
Mackinawite
Magnetite
Marialite
Melanterite
Microcline
Molybdenite
Perovskite
Pyrite
Pyrrhotite
Quartz
'Scapolite'
Scheelite
Scorodite
Sphalerite
Spurrite
Stibnite
Tellurobismuthite ?
Tilleyite
Titanite
Troilite
Vesuvianite
Wollastonite


50 entries listed. 46 valid minerals. 1 type locality (valid mineral).

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References

- Matsubara, S., Miyawaki, R. (1999). Baghdadite from the Akagane Mine, Iwate Prefecture, Japan. Bull. Nat. Sci. Mus., Tokyo, Ser. C., 25 (3-4): 65-72.
- 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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