Mine detail: Shakani Zn - Pb - Cu Mine

Previously called ''

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Location

Lat / long:

40.29847, 140.56528

Resource(M)

Primary:	Zinc, Lead, Copper
Secondary:	Sulfur-Pyrite, Silver, Gold
Ore:	Argentite, Bornite, Chalcocite, Chalcopyrite, Digenite, Enargite, Galena, Gold, Hematite, Marcasite, Polybasite, Pyrite, Sphalerite
Gangue:	Anhydrite, Gypsum, Quartz, Sericite
Orebody form:	IRREGULAR TO CONCORDANT BEDS
Discovery year:	1962

Production

Operation type:	Unknown
Production size:	Medium
Development status:	Producer
First production started:	1965

Geology

Host type:	Mudstone,Tuff,Volcanic Breccia (Agglomerate),Rhyolite
Associated rock:	Shakani (Okuzu) Formation Pyroclastics, Mudstone, Rhyolite;Sainokami (Otaki) Formation Pyroclastics, Mudstone, Diabase;Other Green Tuff Horizons
Associated type:	Mudstone,Tuff,Volcanic Breccia (Agglomerate),Rhyolite
Structure:	Hokuroku Basin
Alteration processes:	Sericite - Chlorite Facies

References

MRDS	W018913
DEP	10073097
Reference	{Deposit:: OHTAGAKI, T. ET. AL., 1974, GEOLOGY OF THE SHAKANAI MINE, AKITA PREFECTURE; JAP. SOC. MINING GEOLOGISTS SPEC. ISS. NO 6 P 131 - 139}{Deposit:: LAMBERT I. B., SATO, T., 1974, THE KUROKO AND ASSOCIATED ORE DEPOSITS OF JAPAN: A REVIEW OF THEIR FEATURES AND METALLOGENESIS; ECON. GEOL. V 69 P. 1215 - 1236}{Deposit:: SATO, JUICHI, 1974, ORES AND ORE MINERALS FROM THE SHAKANAI MINE AKITA PREFECTURE, JAPAN; JAP. SOC. MINING GEOLOGISTS SPEC. ISS. NO. 6 P. 323 - 335}{Production:: OHTAGAKI, T. ET AL, 1974, JAP. SOC. MIN. GEOL. NO. 6 P. 131.}{Reserve-Resource:: LAMBERT AND SATO, 1974, ECON. GEOL. V 69 P 1216}
Reporter	Schruben, Paul G.