Arqueros silver district

Where: Coquimbo · South America · approx. -29.8, -71.1 (vicinity only)

Why this spot: Silver veins north of La Serena mined from 1825, source of fine proustite

What turns up: silver halides, proustite traces, barite, calcite

Access: Gray area.

Old workings on concession ground, informal dump access, ask locally.

Satellite view, historic-map overlays, tide/flow context and field notes are in the app. Exact research detail is part of Pro.