Mine detail: Kosaka Zn - Cu - Pb - Ag - Au - Pyr Mines

Previously called 'Uchinotai Mine and Others'

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Location: Akita, Japan, Asia
Lat / long: 40.32847, 140.74832
dep_id: 10073094
mrds_id: W018909
Commodity type: metallic
Major mineral: Copper, Zinc, Lead
Minor mineral: Gold, Sulfur-Pyrite, Silver
Operation type: Unknown
Production size: Medium ammount of material produced
Development status: Producer
ore: Argentite, Barite, Bornite, Chalcocite, Chalcopyrite, Galena, Gold, Sphalerite
gangue: Gypsum, Quartz
orebody_fm: TABULAR
ore_ctrl: Associated With White Rhyolite Domes.
Reporter: Schruben, Paul G.
hrock_type: Volcanic Breccia (Agglomerate),Rhyolite
arock_unit: Uwamuki Formation Tuff Breccia (Nishikurosawa Formation);Other Green Tuff Horizons
arock_type: Volcanic Breccia (Agglomerate),Rhyolite
Structure: Hokuroku Basin, Hanawa Fault, Ashinazawa Fault
Year first produced: 1884
disc_yr: 1861
References:
  • Deposit:: OSHIMA, T., ET AL, 1974, GEOLOGY OF THE KOSAKA MINE, AKITA PREFECTURE; JAP. SOC. MINING GEOL., MINING GEOL. SPECIAL ISSUE NO. 6 P. 89 - 100
  • 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
  • Production:: SKINNERS MINING INTL. YBK. 1975, P. 213. OSHIMA T. ET AL, 1974, JAP. SOC. MINING GEOL. NO. 6 P. 94
  • Reserve-Resource:: OSHIMA, T. ET AL., 1974, JAP. SOC. MINING GEOL. NO. 6 P. 94. LAMBERT, I. B., SATO, T., 1974, ECON. GEOL. V. 69 P. 1216
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