Where: Sonora · North America · approx. 31.0, -110.1 (vicinity only)
Why this spot: Tertiary oxidized porphyry copper
What turns up: Superb electric-blue azurite, malachite, brochantite, cuprite
Access: Gray area.
Modern producing copper mine; specimens reach the market only through company/miner channels. No casual access.
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.