A resource map, recently released by the Mexican government, re-charts the country’s mineral deposits, says the Mexican Investment Board. The fifth version since 1889, it is the first to have used state-of-the-art technology to compile and process Mexico’s geological data. This version includes 76 litho-stratigraphic units, compared with 29 in previous editions.
The new map defines 35 geological provinces and the following areas of natural resources:
— The northeast area — the world’s leading source of silver, with sulphides and gold in Santa Gertrudis and copper in La Caridad and Cananea; — Central Mexico — crossed by an east-to-west volcanic strip known as “Eje Neovolcanico,” this area is rich in volcanic and metamorphic rocks containing deposits of gold, silver, lead, zinc, cadmium and copper;
— The South Pacific region — home to most of Mexico’s iron provinces, including Las Truchas and Pena Colorad; and
— The southern and coastal areas of the gulf — largely formed by marine sedimentary rocks, containing major oil deposits.
The project was conducted by the National Autonomous University of Mexico in conjunction with the Mexican Geological Institute. Sponsors included Pemex, the national oil company; the Federal Electricity Commission; the Mineral Resources Council; and several universities.
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