Where: Ontario · North America · approx. 45.08, -77.77 (vicinity only)
Why this spot: Grenville Precambrian
What turns up: Blue sodalite, nepheline, and hackmanite in the rock-shop tailings piles
Access: Open / legal.
Commercial fee-dig; collect from the salted piles for a per-bucket fee.
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.