来自国土资源部的统计数字表明 ,我国西北地区矿产资源潜在价值为 33 7万亿元 ,开发潜力巨大。据勘查 ,西北地区主要矿产有煤炭、油气、镍、铜、铅、锌、金、钾盐等 ,其中煤炭保有储量占全国总量的30 %左右 ,主要分布在陕西、新疆和宁夏 ;石油储量为5 1亿ｔ,占全国陆上总量的近 Statistics from the Ministry of Land and Resources show that the potential value of mineral resources in northwestern China is 33.7 trillion yuan, with great potential for development. According to the survey, the major mineral resources in Northwest China are coal, oil and gas, nickel, copper, lead, zinc, gold and potash, among which coal reserves account for about 30% of the national total, mainly in Shaanxi, Xinjiang and Ningxia; 500 million tons, accounting for nearly the total land of the country