Metallogenic Regularity, Centennial Exploration Results of Qinghai Province, and Suggestions for a New Round of Prospecting:Research and Compilation of “Geology of Mineral Resources of China • Qinghai Volume”
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摘要: 青海省成矿条件优越, 矿产资源丰富, 是我国矿产资源的主要蕴藏地之一。通过《中国矿产地质志·青海卷》、矿产地质图和成矿规律图研编, 总结了青海省百年勘查成果, 共发现矿产种类有137种, 发现各类矿产地2 587处。研编成果在点上有了新类型、新矿种发现; 确立柴达木盆地北缘稀有金属找矿靶区; 实现了柴达木盆地盐类理论创新与找矿突破。成矿在空间上涉及5个成矿省、16个成矿带; 经历了前南华纪、南华纪—泥盆纪、石炭纪—三叠纪、侏罗纪—白垩纪、古近纪—第四纪五个时段的演化。青海省成矿作用多样、矿种复杂, 厘定矿床成矿系列48个, 亚系列114个。依据以上, 研判了青海省矿产资源潜力和找矿前景, 提出了新一轮找矿突破战略行动建议, 提出柴达木盆地聚焦盐湖增产保供、柴达木盆地周缘突出战略性矿产找矿、共和盆地、贵德盆地实现清洁能源找矿新发现, 并梳理了影响找矿取得突破的关键科学问题。Abstract: Qinghai Province is one of the main mineral resources reserves in China.It has superior metallogenic conditions and abundant mineral resources.Through the research and compilation of the “Geological Atlas of Mineral Deposits in Qinghai Province” and mineral geological maps and deposit pattern maps, the century-long exploration achievements in Qinghai Province were summarized.A total of 137 kinds of minerals and 2 587 mineral deposits were found in Qinghai Province.New types and species of minerals were discovered through the research and compilation, which established the rare metal exploration target area in the northern margin of the Qaidam Basin, and achieved theoretical innovation and breakthroughs in salt exploration in the Qaidam Basin.The new generation of mineral deposit distribution map, mineral geology map and metallogenic regularity map was systematically compiled.The maps show that the mineral resources are divided into 5 metallogenic provinces and 16 metallogenic belts.These metallogenic domains experienced five periods of evolution: Pre-Nanhua Nanhua–Devonian, Carboniferous–Triassic, Jurassic–Cretaceous and Paleogene–Quaternary.The theory of “metallogenic series” was developed, 48 metallogenic series and 114 sub-series were determined, and the metallogenic system framework of Qinghai was established and perfected.Based on the above, the mineral resources potential and prospecting prospects of Qinghai Province were studied and assessed, and a new round of prospecting breakthrough strategic actions focusing on salt lake production and supply in the central Qaidam Basin, highlighting strategic mineral prospecting in the Qaidam Basin periphery, and realizing new energy mineral prospecting in the Gonghe and Guide Basins was proposed.Scientific problems affecting breakthroughs in mineral exploration were resolved.
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Key words:
- Qinghai Province /
- metallogeny /
- prospecting breakthrough /
- suggestions
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