Autlan manganese district

Where: Jalisco · North America · approx. 19.77, -104.37 (vicinity only)

Why this spot: Stratabound manganese ores in Cretaceous rocks that supplied Mexico's ferroalloy industry from the 1950s

What turns up: manganese oxides, braunite

Access: Permission required.

Mines are private concessions, dumps require company or ejido consent.

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