论文部分内容阅读
中国非金属矿产资源丰富。菱镁矿、滑石、石墨等主要产于华北地台、扬子地台和佳木斯地块的早、中元古代基底中。萤石、明矾石、膨润土、沸石、叶蜡石等主要分布于东南沿海火山岩带。灰岩、白云岩在华北主要产于下古生界,在华南主要产于泥盆系-三叠系。石盐、钾盐、芒硝主要产于西部现代盐湖和东部白垩-早第三纪断陷盆地。硫主要为中生代热液成因,广布于东部。磷矿主要产于扬子地台上震旦统一下寒武统。湘黔边界寒武系底部黑色页岩中的沉积型重晶石矿储量巨大。新疆元古宙辉石岩-碱性纯橄岩蚀变而成的蛭石矿质量极好。
China is rich in non-metallic mineral resources. Magnesite, talc, graphite and other mainly produced in the North China platform, the Yangtze platform and the Jiamusi block early, Middle Proterozoic basement. Fluorite, alunite, bentonite, zeolite, pyrophyllite are mainly distributed in the southeastern coastal volcanic belt. Limestone and dolomite are mainly found in the Lower Paleozoic in North China and mainly in Devonian-Triassic in southern China. Stone salt, potassium salt, Glauber’s salt are mainly produced in the modern western salt lake and the eastern Chalk-Early Tertiary rift basin. Sulfur is mainly caused by Mesozoic hydrothermal origin, widely distributed in the east. Phosphorite is mainly produced in the Yangtze platform on the Sinian unified Cambrian. Sedimentary barite reserves in the black shale at the bottom of the Cambrian in the border between Hunan and Guizhou are huge. Xinjiang yuan ancient pyroxene - alkaline dunite alteration made of vermiculite excellent quality.