Mineral resources in Neijiang
Neijiang City is rich in mineral resources. Energy minerals mainly include coal, natural gas and oil shale; nonmetal and building materials minerals include limestone, sandstone, shale, refractory clay, bauxite, marble, river sand, gravel and ceramic clay, etc.; metal minerals and scattered elements include iron, potassium, gold, and aluminum, gallium, rubidium and lithium, which coexist in salt mines, potassium mines and coal seams; chemical minerals include salt mines and potash bearing water Mica clay ore, etc. Because it is located in the hinterland of the basin, the geological structure is relatively simple and the crust is relatively stable. The exposed strata in the region are mainly affected by the three major geological structures of "Ziwei dome anticline", "shengdeng dome anticline" and "luoguanshan anticline". The mineral resources in the whole city are mainly distributed in Weiyuan, Zizhong and Longchang counties on these three structural belts. Natural gas is mainly produced in "Ziwei dome anticline" and "shengdeng dome anticline", with proven reserves of more than 60 billion cubic meters. Placer gold is produced in Zizhong, Shizhong and Dongxing districts along the Tuojiang River bed.
A total of 23 kinds of mineral resources have been discovered in Neijiang City: energy minerals: natural gas, coal, oil shale, oil, shale gas, etc.; ferrous metal mineral: iron ore; non-ferrous metal mineral: copper mine; metallurgical auxiliary mineral: Refractory clay; chemical raw material mineral: natural brine, rock salt, potassium bearing rock; building materials, non-metallic minerals: limestone, dolomite, glass There are 11 kinds of quartz sandstone, gypsum, clay for cement, shale for brick and tile, clay for brick and tile, kaolin, ceramic clay, sandstone and gravel for construction, and 1 mineral water for water and gas. There are 13 kinds of proven mineral resources in the city, including oil, natural gas, shale gas, coal, mineral water, limestone, quartz sand, carbonaceous mudstone (brick and tile shale), refractory clay, bentonite, dolomite, shale, sandstone, etc., accounting for 56.5% of the discovered minerals.
Mineral resources in Neijiang
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