Where: British Columbia · North America · approx. 59.28, -129.83 (vicinity only)
Why this spot: Mesozoic serpentinite
What turns up: Green nephrite jade boulders and float in serpentinite terrain near the old Cassiar mine
Access: Gray area.
Much of the productive jade ground is under mineral claim; casual collecting on unclaimed Crown land is allowed but claims must be respected.
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.