重大突破！新发现，7亿吨！

Core Insights - A significant discovery of a large magnesium limestone deposit has been made in the Kongtong District of Pingliang City, Gansu Province, with a total resource volume of 700 million tons, marking a major breakthrough in mineral exploration in the region [1][2] Group 1: Mineral Discovery - The magnesium limestone deposit is located in the Zhuangmatai area of the Kongtong District, with an average MgO grade of 20.67%, indicating high-quality ore [2] - The deposit features characteristics such as large scale, shallow burial, gentle dip, and stable thickness, making it suitable for open-pit mining [2] - The exploration project utilized geological mapping, drilling, systematic sampling, and mineral processing technology studies to clarify the ore body characteristics and mining conditions [2] Group 2: National Mining Strategy - The Ministry of Natural Resources has reported significant progress in the new round of mineral exploration strategy, with major breakthroughs in key mineral-rich areas and large oil and gas basins [5] - In the first half of the year, 38 new mineral sites were discovered nationwide, a 31% increase year-on-year, including several large-scale finds in various provinces [4] - The 2025 China Mineral Resources Report indicates that geological exploration investment reached 115.99 billion yuan in 2024, continuing a trend of positive growth for four consecutive years [5][6]