7亿吨！甘肃探获大型冶镁矿床，有色产业再被盘活

Core Insights - A significant discovery of a large magnesium-rich dolomite deposit with a total resource of 700 million tons has been made in the Chongtong District of Pingliang City, Gansu Province, which is expected to boost China's non-ferrous metal industry and high-end manufacturing [3][10][11] Resource Discovery - The newly discovered deposit is located in the Middle Proterozoic Jixian System Wangquankou Formation, characterized by its rare accumulation of magnesium-rich dolomite [3][4] - The deposit consists of five main ore bodies with thicknesses ranging from 15 to 45 meters and a length exceeding 3 kilometers, indicating significant scale and continuity [3][4] Quality and Economic Potential - The average MgO content of the ore is 20.67%, which is significantly higher than industrial grade requirements, and the low impurity levels enhance its dual application value for both metallurgical and refractory materials [4][5] - The estimated theoretical extraction of metallic magnesium is 84 million tons, sufficient to meet China's magnesium resource needs for the next 20 years [5][12] Strategic Importance - The deposit's shallow burial and favorable location near major transportation networks facilitate open-pit mining, enhancing the project's economic viability [5][6] - The surrounding area also contains over 300 million tons of construction-grade dolomite, allowing for tiered utilization and comprehensive development of resources [7] Industry Impact - The discovery is expected to create a complete industrial ecosystem from raw materials to products, supporting the development of magnesium alloys that are increasingly used in high-end manufacturing sectors such as automotive, aerospace, and electronics [9][10] - The global magnesium market is undergoing structural changes, with increasing demand for lightweight materials in electric vehicles, projected to grow the magnesium alloy market in China to 200 billion yuan by 2030, with an annual growth rate of over 12% [9][10] Supply Chain and Competitive Advantage - This discovery will significantly enhance the security of China's magnesium supply chain, extending the resource guarantee period from 15 years to over 35 years [12][13] - The stable supply of high-quality resources is expected to accelerate the structural upgrade of the non-ferrous metal industry, allowing for increased investment in research and development of magnesium alloys [13][14] Future Prospects - The development of this deposit is anticipated to create approximately 5,000 direct jobs and over 20,000 jobs in related industries, contributing more than 30 billion yuan in annual industrial added value [10][11] - This resource breakthrough will shift China's magnesium industry from a focus on production cost advantages to a comprehensive advantage in resources, technology, and market presence, enhancing its global competitiveness [14][15]