Where: Guanajuato · North America · approx. 21.05, -101.2 (vicinity only)
Why this spot: Tertiary epithermal veins
What turns up: Amethyst, quartz scepters, calcite from silver-vein vugs
Access: Gray area.
Mine-hosted; specimens via miners in the Guanajuato district.
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.