Mine detail: Seiwa

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Location: Hokkaido, Japan, Asia
Lat / long: 44.11501, 142.21515
dep_id: 10038633
mrds_id: M046039
Commodity type: metallic
Major mineral: Iridium, Osmium
Minor mineral: Chromium, Gold, Platinum
Operation type: Unknown
Deposit type: Placer
Production size: Small ammount of material produced
Development status: Producer
ore: Chromite, Iridosmine
orebody_fm: STREAM GRAVELS
Reporter: King, Bi-Shia
References:
  • Deposit:: METALLIC AND NON-METALLIC MINERAL DEPOSITS OF HOKKAIDO: JAPAN GEOLOGICAL SURVEY, P. 58-59, PLATE I
  • Deposit:: POLLARD, 1951, PLATINUM GROUP METALS OF JAPAN: HDQ. ALLIED POWERS, P. 22.
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