| 梁 涛.豫西洛宁县铁炉坪Ag多金属矿床的CSAMT剖面及找矿意义[J].地质与勘探,2016,52(2):239-245 |
| 豫西洛宁县铁炉坪Ag多金属矿床的CSAMT剖面及找矿意义 |
| CSAMT profile through the Tieluping Ag-polymetallic deposit in Luoning County, western Henan Province ant its implications for deep ore prospecting |
| 投稿时间：2015-08-19 修订日期：2016-01-28 |
| DOI： |
| 中文关键词: 铁炉坪 Ag多金属矿 CSAMT剖面 深部找矿 |
| 英文关键词: Tieluping, Ag-polymetallic deposit, CSAMT profile, deep ore prospecting |
| 基金项目:国家自然科学基金项目（U1504405）、河南省国土资源厅科技攻关项目（2011-622-25、2011-622-36、2014-06和2016-08）资助 |
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| 中文摘要: |
| 为获得新的深部找矿靶区，在铁炉坪Ag多金属矿床实施了CSAMT法测深。CSAMT剖面中，高、 中、低电阻率异常体边界清晰、形态各异，高阻异常体具有上、下双层结构，低阻异常体出露较小，多呈孤立形态产出，主要有400m低阻异常体和1400m低阻异常体。高阻异常体被解释为浅部和深部两层岩浆和深部流体活动的产物，深部高阻异常体是岩浆成因，浅部高阻异常体与岩浆、深部流体及围岩硅化蚀变有关。400m低阻异常体对应于于地表剖面线400m~600m之间的主矿脉，可能是深部成矿流体的显示，提出1400m低阻异常体为新的深部找矿靶区。 |
| 英文摘要: |
| In order to find new deep geologic exploration targets, a CSAMT profile was deployed through the Tieluping Ag-polymetallic deposit. On this survey profile, resistivity anomaly bodies show sharp boundaries, different scales and complex shapes. High-resistivity anomalies have an obvious double-layered structure. According to elevations of the localities, low-resistivity anomlies with small sizes and isolated shapes are named 400m and 1400m anomlies, respectively. The high-resistivity anomalies are considered to be the results of active double-layered magma and/or deep fluids reaching the shallower subsurface. The high-resistivity anomalies at depth are likely the product of magma, while the shallower ones should be the compositive product of magma, deep fluids and wallrock alteration. The 400m low-resistivity anormlies correspond to occurrence of main veins between surface lines 400m and 600m in the Tielluping Ag-polymetallic deposit, which may be indicative of deep fluids activity. The 1400m low-resistivity anormly bodies are considered as new deep targets for ore-search. |
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