东天山帕尔岗塔格西斑岩铜矿高光谱遥感蚀变特征及其对找矿的指示意义

东天山帕尔岗塔格西斑岩铜矿高光谱遥感蚀变特征及其对找矿的指示意义

P627; 帕尔岗塔格西斑岩型铜矿位于东天山古生代造山带小热泉子石炭纪岛弧带,带内已发现有土屋、延东、延西等一系列斑岩型铜矿,成矿潜力巨大,该矿床的发现实现了成矿带的北西向延伸,意义重大.目前勘查工作限于矿区西北部,找矿勘查有待进一步探究,且针对该矿床的高光谱遥感研究未有报道.鉴于此,本文基于ZY1-02D高光谱数据,采用"人机交互式"思维指导下的基于纯净像元指数(PPI)算法的端元波谱提取技术,从矿物角度对矿区及其外围进行蚀变信息提取工作.提取结果显示三种蚀变矿物由内向外呈石英-绢云母-绿泥石的顺序分带,再现了矿区地质填图工作中的蚀变分带特征,并在矿区外围发现了一处受断裂...

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Published in:地质与勘探 Vol. 59; no. 6; pp. 1171 - 1181
Main Authors: 王聪聪, 陈川, 李云鹏, 王智纯, 高一航, 高玲玲, 李顺达
Format: Journal Article
Language:Chinese
Published: 新疆大学地质与矿业工程学院,新疆乌鲁木齐 830046%新疆维吾尔自治区地质矿产勘查开发局信息中心,新疆乌鲁木齐 830000 01-11-2023
Subjects:
高光谱遥感
hyperspectral remote sensing
蚀变信息提取
东天山
帕尔岗塔格西斑岩型铜矿
Paergangtagexi porphyry copper deposit
alteration characteristics
蚀变特征
eastern Tianshan Mountains
alteration information extraction
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Abstract P627; 帕尔岗塔格西斑岩型铜矿位于东天山古生代造山带小热泉子石炭纪岛弧带,带内已发现有土屋、延东、延西等一系列斑岩型铜矿,成矿潜力巨大,该矿床的发现实现了成矿带的北西向延伸,意义重大.目前勘查工作限于矿区西北部,找矿勘查有待进一步探究,且针对该矿床的高光谱遥感研究未有报道.鉴于此,本文基于ZY1-02D高光谱数据,采用"人机交互式"思维指导下的基于纯净像元指数(PPI)算法的端元波谱提取技术,从矿物角度对矿区及其外围进行蚀变信息提取工作.提取结果显示三种蚀变矿物由内向外呈石英-绢云母-绿泥石的顺序分带,再现了矿区地质填图工作中的蚀变分带特征,并在矿区外围发现了一处受断裂控制的蚀变分带区,成矿特征明显.野外调研和样品岩相学分析证明提取结果真实有效,本次研究可为矿床下一步勘查工作提供参考.
AbstractList P627; 帕尔岗塔格西斑岩型铜矿位于东天山古生代造山带小热泉子石炭纪岛弧带,带内已发现有土屋、延东、延西等一系列斑岩型铜矿,成矿潜力巨大,该矿床的发现实现了成矿带的北西向延伸,意义重大.目前勘查工作限于矿区西北部,找矿勘查有待进一步探究,且针对该矿床的高光谱遥感研究未有报道.鉴于此,本文基于ZY1-02D高光谱数据,采用"人机交互式"思维指导下的基于纯净像元指数(PPI)算法的端元波谱提取技术,从矿物角度对矿区及其外围进行蚀变信息提取工作.提取结果显示三种蚀变矿物由内向外呈石英-绢云母-绿泥石的顺序分带,再现了矿区地质填图工作中的蚀变分带特征,并在矿区外围发现了一处受断裂控制的蚀变分带区,成矿特征明显.野外调研和样品岩相学分析证明提取结果真实有效,本次研究可为矿床下一步勘查工作提供参考.
Author 李云鹏
李顺达
陈川
王聪聪
高玲玲
高一航
王智纯
AuthorAffiliation 新疆大学地质与矿业工程学院,新疆乌鲁木齐 830046%新疆维吾尔自治区地质矿产勘查开发局信息中心,新疆乌鲁木齐 830000
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Author_FL CHEN Chuan
LI Yunpeng
GAO Yihang
WANG Congcong
WANG Zhichun
LI Shunda
GAO Lingling
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Keywords 高光谱遥感
hyperspectral remote sensing
蚀变信息提取
东天山
帕尔岗塔格西斑岩型铜矿
Paergangtagexi porphyry copper deposit
alteration characteristics
蚀变特征
eastern Tianshan Mountains
alteration information extraction
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Title 东天山帕尔岗塔格西斑岩铜矿高光谱遥感蚀变特征及其对找矿的指示意义
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