| Lat / long: | 44.98999, 142.29846 |
| Primary: | Iridium, Osmium |
| Secondary: | Gold, Platinum, Ruthenium, Palladium, Rhodium |
| Ore: | Iridosmine |
| Orebody form: | STREAM GRAVELS |
| Operation type: | Unknown |
| Deposit type: | Placer |
| Production size: | Yes |
| Development status: | Past Producer |
| MRDS | M046055 |
| DEP | 10038647 |
| Reference | METALLIC AND NON-METALLIC MINERAL DEPOSITS OF HOKKAIDO: JAPAN GEOLOGICAL SURVEY, P. 58-59, PLATE I |
| Reporter | King, Bi-Shia |