Where: Chubut · South America · approx. -42.66, -70.08 (vicinity only)
Why this spot: Chubut river canyon country by the Piedra Parada monolith with agate and chalcedony in volcanic rubble
What turns up: agate, chalcedony, zeolites
Access: Gray area.
Some roadside and riverbank ground is open, surrounding land is estancia and a protected natural area covers the canyon.
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.