| Lat / long: | 44.97888, 142.3568 |
| Primary: | Iridium, Osmium |
| Secondary: | Platinum, Rhodium, Palladium, Gold, Ruthenium |
| Ore: | Iridosmine |
| Orebody form: | STREAM GRAVELS |
| Operation type: | Unknown |
| Deposit type: | Placer |
| Production size: | Small |
| Development status: | Producer |
| MRDS | M046056 |
| DEP | 10038648 |
| Reference | METALLIC AND NON-METALLIC MINERAL DEPOSITS OF HOKKAIDO= JAPAN GEOLOGICAL SURVEY, P. 58-59, PLATE I |
| Reporter | King, Bi-Shia |