Where: Portugal · Europe · approx. 37.67, -7.5 (vicinity only)
Why this spot: Rockhounding locality: abandoned pyrite mine
What turns up: pyrite, jarosite, melanterite, gypsum
Access: Gray area.
Abandoned heritage mine; open-air site, collecting on dumps tolerated with care.
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.