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云锡有坑史人群,肺癌发病率高达716.9/10万,为无坑史人群的32.3倍。提示了坑下作业环境中存在着强度较大的致肺癌因子。 云锡所属矿山,分为老厂、马矿、松矿和卡房等四个矿田。1960年以前主要开采锡氧化矿,以后硫化矿的开采量上升约占总采量的24.6％。矿体围岩以大理岩和白云岩等碳酸盐类岩石为主,坑下井巷开拓主要在这两种岩石中进行。 锡氧化矿和硫化矿共含37种元素,在采矿过程中能转变成生产性粉尘进入呼吸道。其中,砷、铁、钴、镍、铬、锌、铅等据报
There is a history of cloud tin pit crowd, the incidence of lung cancer as high as 716.9 / 10 million, 32.3 times the history of non-pit pit. Prompted the pit operating environment there is a strong cause of lung cancer factor. Yun Tin owned mine, divided into the old factory, horse mines, pine and card room four fields. Before 1960, tin oxide mine was mainly exploited, and the amount of sulfide ore mined increased by about 24.6% of the total amount after that. Surrounding rocks of the orebody are mainly carbonate rocks such as marble and dolomite, and underground excavation is mainly carried out in both rocks. Tin oxide ore and sulfide ore contains a total of 37 elements in the mining process can be transformed into productive dust into the respiratory tract. Among them, arsenic, iron, cobalt, nickel, chromium, zinc, lead, etc. reportedly