| 杨敏之.冀北银矿床类型、矿床地质地球化学、地史-演化模式及找矿方向[J].地质找矿论丛,2000,(3):193-203 |
| 冀北银矿床类型、矿床地质地球化学、地史-演化模式及找矿方向 |
| TYPS OF Ag DEPOSITS IN THE NORTH HEBEI PROVINCE AND GEOLOGY, GEOCHEMISTRY, GEOHISTORY EVOLUTION MODEL, ORE SEARCHING DIRECTION OF THE Ag DEPOSIT |
| 投稿时间：2000-05-11 修订日期：2000-06-02 |
| DOI：10.6053/j.issn.1001-1412.2000.3. 001 |
| 中文关键词: 银矿床 矿床类型 成矿地质地球化学 地史-演化模式 找矿方向 冀北 |
| 英文关键词:deposit type metallogenic geology and geochemistry geohistory evolution model ore searching direction the North Hebei Province |
| 基金项目:国家自然科学基金项目(49273174)资助 |
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| 中文摘要: |
| 对冀北17个银矿床的地质调查和5个大—中型银矿床地质、地球化学剖析研究基础上,从银矿床产出的区域地质、矿床地质、控矿地质条件、围岩蚀变、矿石类型、成矿机理、成矿时代和成矿物质演化上,确定了冀北银矿床有3个成矿系列,8种矿床类型。提出牛圈子为火山喷气-热泉型银矿床;蔡家营为古喷气-热水沉积变质-热液叠加型铅锌银矿床;银冶岭为层控-热液叠加型铅锌银矿床的新认识。建立了冀北银矿床成矿模式和地史演化的区域成矿模式,指出找矿方向。 |
| 英文摘要: |
| The author investigated 17 Ag deposits of which 5 are large-medium size on basis of geology, geochemistry, regional geological setting, ore-controlling conditions, wallrock alterations, ore types, metallogenic mechanism, ore formaion stages, metallogenic evolution recognizing three metallogenic series and 8 types of Ag ore deposit. Niujuanzi is a volcanic exhalation-hot spring Ag deposit; Caijiaying, a exhalation-hot water precipitation-hydrothermal fluid overprint Pb, Zn, Ag deposit; Yinyeling, a stratabound-hydrothermal fluid overprint Pb, Zn, Ag deposit. Based on the results metallogenic model and regional geohistory evolutional metallogenic model of the deposits are established and the ore-searchging directions are pointed out. |
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