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Understanding Of Non-metallic Mineral Resources In China
Aug 04, 2018

China's non-metallic mineral resources are relatively complete, rich in resources, excellent in quality, and widely distributed. Most of them have advantages, while a few have poor reserves.



(1) relatively complete types of mineral resources



(1) China's non-metallic mineral resources are relatively complete and complete. By the end of 1996, there were 88 kinds of non-metallic minerals with proven reserves in China, with 7,615 mineral producing areas. According to industrial use, they can be divided into three categories: metallurgical auxiliary raw materials, chemical raw materials and construction materials and other materials:



Non-metallic mineral resources (2) metallurgical auxiliary materials including cyanite, evening line stone, andalusite, magnesite, fluorite, limestone (including solvent, chemical industry, building materials with subspecies, is no longer the other columns in other mining groups, similarly hereinafter), dolomite (multiple USES) and sandstone (a variety of utility), clay (a variety of utility), sand (a variety of utility), vein quartz (a variety of utility), bauxite, peridotite (a variety of utility), quartzite (a variety of utility), refractory clay and serpentinite (such as a variety of purposes) 16 minerals, origin of 1, 193.



(3) non-metallic mineral resources of chemical raw materials include natural sulfur, sodium nitrite, alum, pyrite, mirabilite, barite, barite, barite, natural alkali, potassium-bearing sand shale, peat, salt, potassium salt, magnesium salt, iodine, arsenic, bromine, boron, phosphate and other 18 minerals, with 2,230 places of origin.



(4) building materials and other non-metallic mineral resources include diamond, graphite, crystal, jade, talc, wollastonite, asbestos, asbestos, mica, feldspar, blue garnet, pyrophyllite, diopside, tremolite, vermiculite, zeolite, calcite, gypsum, Iceland SPAR, precious stones, jade, agate, mineral pigment, marl, chalk, quartz powder, natural oilstone, diatomite, shale, kaolin clay, ceramic clay, attapulgite clay, sepiolite clay, illite clay, rectorite clay, bentonite, mudstone, amphibolite, gabbro, basalt, diabase, andesite, diorite, perlite, granite, pumice, nepheline Feldspar, tuff, coarse surface rock, marble, ash, cinder, SLATE and gneiss are 54 minerals with 4, 192 sites of origin.



(2) the mineral resources are generally abundant, and the mineral reserves are abundant or insufficient



In general, China's non-metallic mineral resources are rich in proven reserves, and most of them can meet the needs of the national economic construction and development from this century to 2010. The abundant mineral resources include fluorite, magnesite, barite, mirabilite, graphite, talc, silica limestone, gypsum, bentonite, salt mine, cement limestone, vitreous siliceous raw materials, granite and marble, which can not only meet domestic demand, but also export surplus. The proved reserves are limited and cannot guarantee that the country needs potash, natural alkali, diamond and high-grade precious jade.



The mineral producing areas are widely distributed and relatively unbalanced



Most widely distributed to non-metallic properties, such as fluorite, refractory clay, sulfur, barite, salt, mica siliceous limestone, gypsum, cement, glass raw materials, bentonite, kaolin, such as granite, marble mines distribution coverage to more than two-thirds of the country's provinces (autonomous regions and municipalities), in which cement limestone, siliceous glass raw materials, such as granite and marble bulk mineral mines throughout the country provinces (autonomous regions and municipalities).



At the same time, most mineral reserves are relatively concentrated in the eastern and central regions of China with relatively developed economy, especially in the southeast coastal areas, such as sulfur, quartz sand, kaolin, stone, graphite, talc, fluorite and barite, which provide convenient geographical conditions for the development and utilization of international trade. Phosphorus ore is relatively concentrated in yunyun, GUI, sichuan, hubei and other provinces, forming an unfavorable distribution of south phosphorus north transport. While potash, mirabilite, salt mine, natural alkali and other salt minerals are widely distributed in qaidamu basin of qinghai province.



(4) the quality of the ore is different, and the quality of the metallurgical and auxiliary building materials is mostly high, while the quality of the chemical mineral is poor



In the quality of ore, many metallurgical auxiliary, building materials and other minerals are of good quality and are welcomed by the international and domestic markets. Such as the famous flake crystalline graphite, cryptocrystalline graphite; Stable quality, high grade, low impurity talc, magnesite and refractory clay; Pure fluorite and barite; Perlite ore with high expansion ratio; Zeolite ore (oblique zeolite and filamentous zeolite) with superior mineral species; Fibrous siliceous limestone of high quality low iron; Luxurious and elegant Chinese white jade (marble) and guifei red (granite). But fertilizer minerals such as sulfur and phosphorus and boron ore are of low grade or ore difficult to choose.



The national average grade S of pyrite ore is only 18.18%. In the reserves of phosphate ore, enrichment (P2O5>30%) only accounts for 7.4% of the total amount, and the total ore types of phosphate ore are mainly the refractory colloidal phosphate ore types. About 90% of boron ore reserves are refractory boromite type ore.