7亿吨！我国找矿有重大发现

Core Insights - Gansu Province has discovered a large magnesium dolomite mine with a total resource volume of 700 million tons, marking a significant breakthrough in mineral exploration in the region [2] Summary by Categories Mineral Discovery - The mine is located in the Kongtong District of Pingliang City, Gansu Province, specifically in the Zhuanmatai area [2] - The mineral body is found in the Middle Proterozoic Jixian System Wangquankou Formation shallow marine carbonate rock strata, identified as high-quality magnesium dolomite [2] Mining Characteristics - The mine features several advantageous characteristics: it is large in scale, has shallow burial depth, gentle dip, and stable thickness, making it suitable for open-pit mining [2] Resource Utilization - The estimated amount of dolomite ore for magnesium smelting exceeds 700 million tons, with an additional 300 million tons of dolomite available for construction use [2] - This dolomite mine serves as an important raw material for magnesium metallurgy and has significant potential for use in refractory materials, metallurgical flux, glass, and ceramics industries [2]