Surveyed mine sites and drawn licence areas across the ASM sector, filterable by mineral and by independent corroboration
Locations
Total locations–
Pins placed (have coordinates)–
Zones placed (polygons)–
No geometry (counts only, never mapped)–
Licence areas held as a centroid (not drawn as sites)–
Named elsewhere (name match, of –)–
Independent reference (attested, of –)–
By origin
Corroboration
Most sites on this map arrive from a single source. A minority carry a second, independent trace: named again in a separate document (name match), or confirmed by an independently extracted reference (attested). The two are different strengths of evidence, so this filter keeps them apart rather than treating either as proof by itself.
Minerals
Normalised across source vocabularies (French ipis-drc labels, English ghana-mcas labels) into one filter list, so "Or" and "Gold" are the same option here. Every site's original source label is still shown in its own detail panel.
A zone shows as its own squared pin at its centre until you zoom in on it; past that, its real licence boundary swaps in. Nothing is simplified for distance, the shape just arrives when zoom asks for it.
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Basemap: Natural Earth · Imagery: NASA Blue Marble (public domain)