Where: Misiones · South America · approx. -25.97, -54.57 (vicinity only)
Why this spot: Cretaceous Parana basalt
What turns up: Amethyst geodes, agate, quartz; tourist-mine
Access: Permission required.
Wanda mines offer guided tours; buy specimens, collecting is on the tour basis
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.