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一、矿区的水土流失洛阳市山丘区一些贵重的矿产很久以前就已被人们认识和开采利用,具有悠久的历史。进入20世纪90年代以来,集体、个体采矿点如雨后春笋,发展迅猛。矿产资源的开发在一定时期内促进了当地经济的发展。但是,人们在开发矿藏的过程中,由于没有及时布设相应的水土保持措施,使水土资源遭到了破坏,造成了严重的水土流失。据调查,截至2000年洛阳市山丘区开采矿产(不包括矿区修路)造成的弃土、弃石;选矿、冶炼造成的尾矿、矸石、弃渣等直接固体物共计达7355万m~3。如此年复一
I. Soil and Water Loss in Mining Areas Some valuable minerals in the hills of Luoyang City have long been known and exploited by people and have a long history. Since the 1990s, collective and individual mining mushroomed and developed rapidly. The development of mineral resources in a certain period of time to promote the development of the local economy. However, during the development of mineral resources, people did not promptly lay out corresponding soil and water conservation measures, which destroyed soil and water resources and caused serious soil erosion. According to the survey, spoil and rock abandonment caused by mining of mineral resources in the hill area of Luoyang City (excluding road construction in 2000) up to 2000; the direct solid materials such as tailings, waste rock and slag residue caused by mineral processing and smelting totaled 73.55 million m ~ 3. So one after another