Where: Argentina · South America · approx. -41.03, -70.27 (vicinity only)
Why this spot: Rockhounding locality: petrified wood / agate steppe
What turns up: petrified wood, agate, jasper
Access: Gray area.
Comallo (Río Negro) is a real area yielding agate/petrified wood on estancia land; permission advised and some ground protected.
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.