Where: Japan · Asia · approx. 32.9, 131.6 (vicinity only)
Why this spot: Rockhounding locality: Sn-polymetallic vein
What turns up: cassiterite, arsenopyrite, quartz, stannite
Access: Gray area.
Mine closed; dumps on forest/private land, permission advisable.
Open in Mudlark Map →
Satellite view, historic-map overlays, tide/flow context and field notes are in the app. Exact research detail is part of Pro.
Pins are approximate by design. This page is historical research, not permission to dig. Check ownership and local law first.