山东招远黄金企业职业健康安全体系认证又添8名新成员

日前,山东省招远市河西金矿、姜家窑金矿等8家黄金企业通过职业健康安全体系认证,至此该市黄金企业通过职业健康安全体系认证的企业达到23家。职业健康安全体系认证是近年来国际上兴起的现代职业健康安全体系,核心是通过持续改进,将传统安全管理中的相对割裂的各个环节融会贯通,达到工作状态的劳动者的目的。     

会同：筑巢巧引“金凤凰”

近年来,湖南会同县采取＂筑巢引凤＂战略,把加快推进矿产资源有效整合作为规范矿业经济发展的重要内容。会同县位于湖南省西部,地处雪峰山脉和武陵山脉之间,地层出露齐全,成矿地质条件优越,矿产资源丰富。境内蕴藏着丰富的矿产资源,矿点分布面广,开发潜力大。经1∶20万区域地质调查和多次化探测量,已探明的有煤、石煤、黄金、铁、钒等矿产资源24种70余处,以黄金、石煤为主,储量十分丰富。已发现金矿床（点）35处,主要分布在肖家、漠滨、炮团、金龙、马鞍等乡镇,黄金纯度、品位高,居全省首位。     

利用级差品位指标扩大黄金矿山贫矿资源的利用率

黄金矿脉多呈上富下贫或贫富交替变化现象,生产中应用级差品位指标与工业指标相结合确定开采块段的最低品位界限,贫富交替开采,搭配出矿,可扩大贫矿利用率,延长矿山服务年限,增长企业经济效益。     

全球黄金供需结构与趋势分析

本文以全球黄金供需结构和演变规律为对象,从实物用金和投资用黄金的供求平衡角度分析目前黄金市场形势。研究发现,实物用金一直处于供不应求的形势,而投资用金处于供过于求的局面。投资用金过剩量的多寡是衡量市场投资热情的指标,与黄金价格走势具有高度正向相关性。目前投资用金过剩量依然处于低位,短期内有利于黄金价格反弹上行。     

Temporal-spatial distribution and ore-forming material source of gold,copper and silver polymetallic ore deposits in the Fuping mantle structure zone

This study was conducted following research on metallogenesis in the Zhangjiajie-Xuanhua and East Hebei mantle branch structure zones. The Fuping mantle branch structure zone is one where Au, Cu and Ag polymetallic ore resources are concentrated in North Hebei. However, there has existed a long-standing controversy on the temporal-spatial distribution of ore resources and their ore-forming material sources. In terms of age dating and the comprehensive analysis of S, Pb, O, C and Si isotopes, it is considered that the temporal-spatial distribution of ore resources in this mantle branch structure zone is obviously controlled by the Fuping mantle branch structure. In space there is developed such a metallogenic pattern as to be Ag, Pb and Zn polymetallic ore deposits with gold appearing inside and copper appearing outside. Metallogenesis is dated mainly at Yanshanian, the ore-forming mate-rials were derived predominantly from the deep interior of the Earth, and ore-forming fluids were derived largely from Yanshanian magmatism.     

资源危机型黄金矿山区域构造背景研究——以吉南-辽北地区为例

吉南-辽北地区资源危机型黄金矿山区域构造样式为穹形构造和线性构造已被地质、地球物理和遥感地质所提供的众多信息研究所证明.两种构造样式的区别主要表现在物质组成、构造变形、变质作用、形成时代和对金矿的控制作用等5个方面.