距墨西哥城西北约450km的安赫莱斯营银矿由弗利斯科矿产公司安赫莱斯营矿业公司（100％股份）经营，是世界第二大露天银矿．其探明储量为1．35亿t，银当量含量30g／t，该矿于1986年2月投产，预计矿山寿命还可延长20年．采用露天开采方法，电炉-汽车普通开采工艺，各种浮选法处理矿石，年产铅锌3万t（精矿金属含量），银300t． About 450km northwest of Mexico City, the Silverlight at Anchles Camp is run by Frisco Minerals Inc. (100%) and is the second largest open-pit silver mine in the world. The proven reserves of 135 million t, silver equivalent content of 30g / t, the mine put into operation in February 1986, mine life expectancy can be extended for 20 years. Open-pit mining methods, electric furnace - car mining technology, a variety of flotation method of processing ore, lead-zinc with an annual output of 30,000 t (concentrate metal content), silver 300t.