| Lat / long: | 44.88165, 142.29846 |
| Primary: | Iridium, Osmium |
| Secondary: | Platinum, Ruthenium, Rhodium, Palladium, Gold |
| Ore: | Iridosmine |
| Orebody form: | STREAM GRAVELS |
| Operation type: | Unknown |
| Deposit type: | Placer |
| Production size: | Yes |
| Development status: | Producer |
| MRDS | M046057 |
| DEP | 10106881 |
| Reference | METALLIC AND NON-METALLIC MINERAL DEPOSITS OF HAKKAIDO: JAPAN GEOLOGICAL SURVEY, P. 58-59, PLATE I |
| Reporter | King, Bi-Shia |