山东旧店金矿金矿物特征及其意义

Mineral Characterisitcs and Its Significance of Jiudian Gold Deposit in Shandong Province

摘要:

以山东平度旧店金矿床中金矿物作为研究对象，通过对金矿物的形态、物性、主成分及微量元素等特征的研究，认为旧店金矿中主要金矿物为银金矿、自然金，主要载金矿物为石英、黄铁矿、黄铜矿、方铅矿、闪锌矿等。金主要以银金矿形式产出，金银矿少量，自然金很少。金矿物赋存状态主要为裂隙金、包体金、晶隙金等，呈粒状、板状、针状产出，银金矿与石英、黄铁矿依存关系最为密切。旧店金矿金的成色集中在600～800之间，平均744.13，说明旧店金矿经历了中温成矿环境，且成矿时间较短，是以金石英多金属硫化物阶段为主成矿期。

Abstract:

Regarding gold minerals of Jiudian gold deposit in Pingdu city in Shandong province as studying object, morphology, properties, main components and trace elements of gold minerals have been studied. It is thought that major gold minerals in Jiudian gold deposit are electrum and native gold, main carrying gold minerals as quartz, pyrite, chalcopyrite, galena, sphalerite. Gold is mainly produced in the form of silver gold, gold and silver deposits. Gold occurrence types are mainly composed of fractural gold, inclusion gold and crystal fractured gold, and occurred as granular, plate, needle like type. Silver gold deposit is closely related with quartz and pyrite. Gold fineness of Jiudian gold deposit is 600~800, and average value is 744.13. It is showed that Jiudian gold deposit has experienced mediumlow temperature metallogenic environment, and mineralization time is a relatively short. Quartz polymetallic sulfide stage is the main mineralization stage.