Mine detail: Utsunaigawa

Previously called 'Utsunai River'

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Location

Lat / long:

45.04831, 142.24846

Resource(M)

Primary:	Iridium, Osmium
Secondary:	Ruthenium, Rhodium, Palladium, Platinum
Ore:	Iridosmine
Orebody form:	STREAM GRAVELS

Production

Operation type:	Unknown
Deposit type:	Placer
Production size:	Small
Development status:	Producer

Geology

References

MRDS	M046059
DEP	10038650
Reference	METALLIC AND NON-METALLIC MINERAL DEPOSITS OF HOKKAIDO: JAPAN GEOLOGICAL SURVEY, P. 58 - P. 59 AND PLATE I
Reporter	King, Bi-Shia