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Mexico's economy ministry cancelled 11 mining concessions.
The concessions, located in Baja California Sur, Chihuahua, Sinaloa, Jalisco, Oaxaca and Nuevo León states, cover a total of 266,422ha, according to filings on the official federal gazette website.
The concessions were cancelled at the request of the country's geological service under articles of Mexico's mining law.
The largest concession, called San Juan-La Paz, covers 146,329ha in Baja California Sur state.
Mexico is the world's biggest silver producer and a top 10 miner of gold, copper, zinc, lead and molybdenum.