| 在宁芜玢岩铁矿深部寻找大冶式铁矿的探讨——以宁芜铁矿南段为例 |
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| 引用本文：许德如.2010.Prospecting for Daye-type iron deposit in depth of porphyrite-type iron deposi t: A case study of southern Ningwu iron deposits in Anhui Prov ince[J].Mineral Deposits,29(3):427~436 |
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| 基金项目:中央地质勘查基金项目(编码：2007340003) |
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| 中文摘要:通过对长江中下游Fe-Cu-Au多金属成矿带内重要的宁芜、大冶铁矿成矿模式和成矿地质背景的分析，按照成矿系列中缺位预测的原则，认为在宁芜盆地南段的深部，岩体具有双层结构特征，进而结合其深部存在着与矿体相关的膏盐层，提出了宁芜玢岩铁矿之下应存在大冶式铁矿的新认识。在此基础上，建立了宁芜盆地南段“丰”字型成矿模式，并采用多重物探方法重点对姑山铁矿南部进行了综合探测。探测结果表明，该区应具有较好的找矿潜力。 |
| 中文关键词:地质学 地球物理学 “丰”字型成矿模式 宁芜式铁矿 大冶式铁矿 找矿预测 宁芜盆地南段 |
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| Prospecting for Daye-type iron deposit in depth of porphyrite-type iron deposi t: A case study of southern Ningwu iron deposits in Anhui Prov ince |
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| Abstract:Based on an analysis of the metallogenic models and geological settings of both the Ningwu-type and the Daye-type iron deposits which constitute the most important deposit types in the Middle-Lower Yangtze Fe-Cu-Au polymetallic metallogenic belt, and on the vacant predication theory of metallogenic series, the authors suggest that the magmatic bodies have a double-layer structure in the southern N ingwu basin and that there is a gypsolyte bed intimately related to iron ores in the depth of southern Ningwu basin. Furthermore, the authors have advanced the new viewpoint that the Daye-type iron deposit can be found beneath the porphyrite-type iron deposit. On such a basis, a “丰"_type metallogenic model is put for ward. Synthetic survey was performed in the southern Gushan iron deposit of south ern Ningwu Basin by means of multiple geophysical methods and, on such a basis, the authors hold that the southern Gushan iron deposit has a good prospecting po tential. |
| keywords:geology, geophysics, “丰"-type metallogenic model, Ningwu porphyrite iron deposit, Daye-type iron deposit, ore prospecting, southern Ningwu basin |
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