钖矿山锑矿床氧化带的基本特征  

THE FUNDAMENTAL CHARACTERISTICS OF OXIDIZED ZONE OF ANTIMONY ORE DEPOSIT IN XIKUANGSHAN

作　　者：蒋永年[1] 

机构地区：[1]天津地质矿产研究所

出　　处：《矿产与地质》1990年第4期38-46,共9页Mineral Resources and Geology

摘　　要：本文研究了钖矿山锑矿床氧化带的主要次生矿物,如自然硫、红锑矿、黄锑华、锑华、褐铁矿、碳酸盐、硫酸盐、迪凯石等的基本特征、成因信息和分布,并在此基础上讨论了该氧化带的特征。 1.由于贫黄铁矿的矿石类型和围岩性质,限制了氧化进程,则氧化带发育不完善,但氧化作用可沿裂隙发生,达到相当深度,故氧化带中经常保留原生矿石。 2.氧化带发育程度与在一定阶段形成的矿物种别有关。 3.氧化带矿物分布:黄锑华和褐铁矿产于上部,硫酸盐(石膏、重晶石等)产于中部,而自然硫和锑华分布于下部。 总之,认为上述矿物的规律分布主要取决于有关元素的地球化学性状。The fundamental characteristics, genetic information and distribution, both in time and space, of the principal secondary minerals, such as native sulphur, ker-mesite, stidiconite, valentinite, limonite, carbonate, sulphate, dickite in oxidized zone of antimony ore in Xikuangshan have been studied and on the basis of the study, the features of the oxidized zone are discussed as follows: 1. As the oxidizing process is restricted by the ore type poor in pyrite and the properties of the country rocks, the oxidized zone develops imperfectly, but the oxidizing action may take place along the fractures up to considerable depth. Thus, there usually remain the primary ores in the oxidized zone. 2. The development degree of the oxidized zone is probably related to the mineral species formed in a certain stage. 3. The mineral distribution of the oxidized zone may be as follows: stibiconite and limonite occurred in the upper part, sulphates (gypsum, barite, etc), in the middle part, and native sulphur and valentinite, in the lower part. In short, the author considers that the regular distribution of these minerals mentioned above may depend mainly on the geochemical behavior of the elements concerned.

关 键 词：锑矿 氧化带 矿物学 矿床 

分 类 号：P618.660.4[天文地球—矿床学]