重大发现！我国探获一处超大型矿床

Core Insights - Gansu Province has discovered a super-large magnesium dolomite mine with a resource amount exceeding 700 million tons, marking a significant breakthrough in mineral resource exploration in the region [1] Group 1: Discovery Details - The mine is located in the Kongtong District of Pingliang City, specifically in the Zhuanmatai area [1] - The mineral body is found in the Middle Proterozoic Jixian System Wangquankou Formation shallow marine carbonate rock strata, with five layered magnesium dolomite mineral bodies identified [1] - The average magnesium oxide grade in the ore is 20.67%, indicating it is a high-quality magnesium dolomite mine [1] Group 2: Mining and Resource Potential - The mine features a large scale, shallow burial, gentle dip, and stable thickness, making it suitable for open-pit mining [1] - Within the open-pit mining area, over 700 million tons of magnesium dolomite ore have been confirmed, along with more than 300 million tons of dolomite for construction use [1] Group 3: Utilization Value - Dolomite resources have diverse utilization values, serving as an important raw material for magnesium metallurgy and applicable in refractory materials, metallurgical flux, glass, and ceramics industries [1] - The comprehensive utilization potential of these resources is significant [1]