Where: Minas Gerais · South America · approx. -20.38, -43.4 (vicinity only)
Why this spot: Precambrian gold veins
What turns up: Gold in quartz, tourmaline, arsenopyrite
Access: Permission required.
Passagem de Mariana is a historic mine open for tours; specimens bought, some guided 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.