甘肃平凉探获一处大型冶镁白云岩矿床 资源总量达7亿吨

Core Insights - Gansu Province's Pingliang City has successfully discovered a large magnesium limestone deposit with a total resource volume of 700 million tons, marking a significant breakthrough in mineral exploration in the region [1] Group 1: Mineral Discovery - The magnesium limestone deposit is located in the Zhuangmatai area of Pingliang City, with exploration efforts funded by provincial, municipal, and county-level finances since 2000 [1] - The deposit is characterized by five layered magnesium limestone bodies with an average MgO grade of 20.67%, indicating high-quality magnesium limestone [1] Group 2: Mining Characteristics - The deposit features large scale, shallow burial, gentle dip, and stable thickness, making it advantageous for open-pit mining [1] - Exploration methods included geological mapping, drilling, systematic sampling, and research on ore processing technology, which clarified the deposit's characteristics and mining conditions [1] Group 3: Resource Utilization - The estimated amount of magnesium limestone ore within the open-pit mining boundary exceeds 700 million tons, along with over 300 million tons of limestone for construction purposes [1] - The magnesium limestone is not only a crucial raw material for magnesium metal smelting but also has significant potential for use in refractory materials, metallurgical flux, glass, and ceramics [1]