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位于蓟县东营房的天津水泥石矿,于1986年5月建成并进行全系统的调试与试生产。至今,试生产情况良好。月产量已达4万吨。该矿位于燕山沉降带蓟县扭陷区,洪水庄向斜的北东翼。出露中上元古界蓟县系铁岭组灰岩。矿石化学成分变化复杂,矿床中白云质斑块和燧石结核分布不规律。属于复杂的低品位的水泥石灰质原料。
Located in Tianjin Jixian Dongying Fang Tianjin Cement Mine, completed in May 1986 and conduct system-wide commissioning and trial production. So far, pilot production is in good condition. Monthly output has reached 40,000 tons. The mine is located in Yishan subsidence zone Jixian wreckage, Hongshuizhuang syncline northeast wing. Exposed in the Upper Proterozoic Jixian Tieling Formation limestone. Changes in the chemical composition of the ore complex dolomitic plaques and chert deposits in the irregular distribution of nodules. Belongs to the complex low-grade cement limestone raw materials.