| ETM+(TM)蚀变遥感异常技术方法在东天山戈壁地区的应用 |
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| 引用本文：.2003.Application of ETM+(TM) Remote Sensing Alteration Anomaly Extraction Technique to Gobi Area, East Tianshan Mountains[J].Mineral Deposits,22(3):278~286 |
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| 基金项目:地质大调查项目(编号：DKD9902001)和国家科技攻关项目(编号：2001BA609A-07-4) |
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| 中文摘要:文章将蚀变遥感异常作为矿产资源综合评价与定位预测的主要参数，对在东天山戈壁地区的石英滩至赤湖地区3.3万余平方千米的范围内开展的ETM+(TM)遥感 勘察结果进行了蚀变异常提取，并依此进行了矿产资源快速评价与定位预测，还对部分异常 点进行了实地查证。研究区内已知矿床、矿(化)点122个，遥感异常与其中105个互洽，吻合 率86%，与已知矿床的吻合率为100%。经首批地面查证扩大了一处已知金矿点的找矿范围。 |
| 中文关键词:地质学 ETM+(TM)蚀变遥感异常 矿产资源快速评价与定位预测 东天山戈壁地区 新疆 |
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| Application of ETM+(TM) Remote Sensing Alteration Anomaly Extraction Technique to Gobi Area, East Tianshan Mountains |
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| Abstract:With the remote sensing alteration anomalies as the major independent anomalies in evaluating mineral resources, this paper has discussed the ore_forming geological setting, described the information extraction technique from remote sensing alteration anomalies, evaluated and predicted mineral resources, and demonstrated the achievements made in identifying part of the remote alteration anomalies in a 33,000 km2 area (from Shiyingtan to Chihu) of East Tianshan Mountains. 122 ore deposits and ore (mineralized) spots have been discovered in this area, of which 105 are coincident with the remote sensing alteration anomalies. The coincidence rate is 86%. It is especially prominent that the coincidence rate between the known ore deposits and the remote sensing alteration anomalies is 100%. The identification of the remote sensing alteration anomalies has led to the expansion of a mineralized area. |
| keywords:geology, ETM+ (TM) remote sensing alteration anomalies, evaluation and prediction of mineral resources, East Tianshan Mountains, Xinjiang |
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