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基于多源遥感数据的矿物蚀变信息提取——以西藏甲玛铜多金属矿为例

吴小娟 温静 肖晨超 崔振营

吴小娟, 温静, 肖晨超, 等, 2015. 基于多源遥感数据的矿物蚀变信息提取——以西藏甲玛铜多金属矿为例. 地质力学学报, 21 (2): 228-240.
引用本文: 吴小娟, 温静, 肖晨超, 等, 2015. 基于多源遥感数据的矿物蚀变信息提取——以西藏甲玛铜多金属矿为例. 地质力学学报, 21 (2): 228-240.
WU Xiao-juan, WEN Jing, XIAO Chen-chao, et al., 2015. EXTRACTION OF ALTERED MINERAL INFORMATION BASED ON MULTI-SOURCE REMOTE SENSING DATA: A CASE STUDY OF JIAMA COPPER POLYMETALLIC DEPOSIT. Journal of Geomechanics, 21 (2): 228-240.
Citation: WU Xiao-juan, WEN Jing, XIAO Chen-chao, et al., 2015. EXTRACTION OF ALTERED MINERAL INFORMATION BASED ON MULTI-SOURCE REMOTE SENSING DATA: A CASE STUDY OF JIAMA COPPER POLYMETALLIC DEPOSIT. Journal of Geomechanics, 21 (2): 228-240.

基于多源遥感数据的矿物蚀变信息提取——以西藏甲玛铜多金属矿为例

基金项目: 

中国地质调查局地质调查项目"地质勘查遥感系统集成与综合应用示范" 1212011120226

详细信息
    作者简介:

    吴小娟(1986-), 女, 河南开封人, 博士研究生, 主要研究方向为遥感数据应用。E-mail:wuxiaojane@163.com

  • 中图分类号: P627

EXTRACTION OF ALTERED MINERAL INFORMATION BASED ON MULTI-SOURCE REMOTE SENSING DATA: A CASE STUDY OF JIAMA COPPER POLYMETALLIC DEPOSIT

  • 摘要: 以甲玛矿区的ETM+(TM)数据和Aster数据为数据源, 采用波段代数运算法和主成分分析法提取两种数据中的蚀变矿物信息, 然后将蚀变信息结果融合得到研究区矿物蚀变分布图。ETM+(TM)数据适合提取羟基、铁染、碳酸盐等基团(离子)信息, 为遥感找矿提供基础的技术支撑。Aster数据可以识别出更细化的蚀变矿物, 如方解石、褐铁矿、绿泥石、白云母和高岭石等。通过与研究区地质资料及前人勘探结果比对分析, 遥感矿物蚀变信息结果有效、可靠。

     

  • 图  1  甲玛矿区建造构造图[11]

    1—第四系;2—楚木龙组;3—林布宗组;4—多底沟组;5—硅帽;6—花岗斑岩;7—花岗闪长斑岩;8—二长花岗斑岩;9—石英闪长玢岩;10—辉绿玢岩;11—矽卡岩;12—矿体;13—地层界线;14—角岩蚀变界线;15—正断层;16—逆断层;17—斜歪倒转背斜;18—斜歪倒转向斜

    Figure  1.  The Jiama mine construction structural map

    图  2  各类蚀变矿物标准波谱(据USGS)

    Figure  2.  Standard spectral curves of alteration minerals

    图  3  去除干扰前后影像对比

    Figure  3.  Comparison of original image and denoise image

    图  4  ETM+(TM)蚀变矿物提取结果

    Figure  4.  Extraction results of alteration mineral based on ETM+(TM) data

    图  5  几种蚀变矿物提取结果图

    Figure  5.  Extraction results of mineral alteration based on Aster data

    图  6  ETM+(TM)数据和Aster数据蚀变信息提取结果图

    Figure  6.  Extraction results of mineral alteration based on ETM+(TM) data and Aster data

    表  1  Landsat-7 ETM+(TM)参数

    Table  1.   The parameter of Landsat-7 ETM+(TM) data

    通道波长/μm波段地面分辨率/m应用
    10.45~0.5230海色、植被、土壤识别
    20.52~0.60绿30植被绿色反射
    30.63~0.6930叶绿素吸收、植被识别
    40.76~0.90近红外30生物量、水面识别
    51.55~1.75短波红外30植被湿度、雪、云识别
    610.4~12.5热红外60热制图、植被热胁迫
    72.09~2.35短波红外30水热制图
    80.45~0.52全色波段15制图
    下载: 导出CSV

    表  2  Aster数据参数

    Table  2.   The parameters of Aster

    光学子系统波段波长/μm空间分辨率/m辐射分辨率
    可见光近红外(VNIR)Band 10.52~0.6015NE Δρ≤0.5%
    Band 20.63~0.69
    Band 30.76~0.86
    Band 3N0.76~0.86
    短波红外(SWIR)Band41.600~1.70030NE Δρ≤0.5%
    Band52.145~2.185NE Δρ≤1.3%
    Band62.185~2.225NE Δρ≤1.3%
    Band72.235~2.285NE Δρ≤1.3%
    Band82.295~2.365NE Δρ≤1.0%
    Band92.360~2.430NE Δρ≤1.3%
    热红外(TIR)Band 108.125~8.47590NE ΔT≤0.3 K
    Band 118.475~8.825
    Band 128.925~9.275
    Band 1310.25~10.95
    Band 1410.95~11.65
    下载: 导出CSV

    表  3  羟基-铁染-碳酸盐在ETM+(TM)数据中的波谱特征

    Table  3.   Spectral characteristics of mineral on Landsat ETM+(TM) data

    基团离子Band 1Band 2Band 3Band 4Band 5Band6Band 7
    羟基反射吸收反射吸收
    铁染吸收反射吸收反射
    碳酸盐反射吸收
    下载: 导出CSV

    表  4  羟基、铁染、碳酸盐主成分分析特征向量

    Table  4.   Eigenvector of principal component analysis(PCA)

    蚀变矿物波段主成分分析特征向量载荷因子贡献值
    PC1PC2PC3PC4
    羟基B10.4626600.707850-0.1720770.505256
    B40.6024250.0784410.664456-0.435235
    B50.636666-0.482005-0.591928-0.109310
    B70.132990-0.5103590.4225030.737115
    信息量91.51%7.98%0.36%0.15%
    铁染B10.4160800.6704010.575621-0.214709
    B30.4955130.255463-0.3804740.737865
    B40.529017-0.045025-0.565401-0.631217
    B50.549076-0.6951790.4519090.104975
    信息量94.52%5.14%0.31%0.03%
    碳酸盐B10.4842440.602072-0.2019780.601849
    B30.5774980.2410610.592879-0.506834
    B50.644576-0.567005-0.498904-0.118838
    B70.128552-0.5078440.5989940.605620
    信息量90.51%9.01%0.35%0.13%
    下载: 导出CSV

    表  5  羟基-铁染-碳酸盐在Aster数据中的波谱特征

    Table  5.   Spectral characteristics of hydroxyl group, iron and carbonate based on Aster data

    蚀变矿物Band 1Band 2Band 3Band 4Band 5Band 6Band 7Band 8Band 9
    白云石反射反射反射微弱吸收反射吸收反射
    黄钾铁矾反射吸收反射反射
    褐铁矿反射吸收反射吸收
    钙铁榴石吸收反射反射吸收
    绿泥石吸收反射吸收反射吸收
    白云母微弱吸收反射吸收反射
    高岭石反射吸收反射
    下载: 导出CSV

    表  6  几种蚀变矿物提取采用方法及对应Aster波段选择

    Table  6.   Bands selection based on Aster data

    蚀变矿物波段代数运算法主成分分析法
    白云石(B6+B9)×0.5/B8B1,B3,B4,(B5+B8)/2
    绿泥石(B5+B9)/(B7+B8)B1,B3,B4,B8
    高岭石B1,B3,B4,B6
    白云母B5/B6B1,B4,B6,B7
    褐铁矿B2/B1B1,B2,B3,B4
    黄钾铁矾B1,B4,B7,B8
    钙铁榴石B1,B3,B4,(B8+ B9)/2
    下载: 导出CSV
  • [1] Ranjbar H, Honarmand M, Moezifar Z. Application of the crosta technique for porphyry copper alteration mapping, using ETM+(TM) data in the southern part of the Iranian volcanic sedimentary belt[J]. Journal of Asian Earth Sciences, 2004, 24(2): 237~243. doi: 10.1016/j.jseaes.2003.11.001
    [2] 吕凤军, 邢立新, 范继璋, 等.基于蚀变信息场的遥感蚀变信息提取[J].地质与勘探, 2006, 42(2):65~68. http://www.cnki.com.cn/Article/CJFDTOTAL-YGXX200604003.htm

    LV Feng-jun, XING Li-xin, FAN Ji-zhang, et al. Extracting alteration information of remote sensing based on alteration information field[J]. Geology and Prospecting, 2006, 42(2): 65~68. http://www.cnki.com.cn/Article/CJFDTOTAL-YGXX200604003.htm
    [3] 施炜, 刘建民, 王润生, 等.内蒙古东部喀喇沁旗地区金矿围岩蚀变遥感信息提取及成矿预测[J].地球学报, 2007, 28(3):291~298. http://www.cnki.com.cn/Article/CJFDTOTAL-DQXB200703008.htm

    SHI Wei, LIU Jian-min, WANG Run-sheng, et al.The extraction of wall rock alteration information related to gold deposits in Harqin banner area of eastern Inner Mongolia by using ETM+(TM) remote sensing technique[J]. Acta Geoscientia Sinica, 2007, 28(3): 291~298. http://www.cnki.com.cn/Article/CJFDTOTAL-DQXB200703008.htm
    [4] Clark R N, Swayze G A, King T V V. Imaging spectroscopy: Earth and planetary remote sensing with the USGS tetracorder and expert systems[J]. Journal of Geophysical Research, 2003, 1008(E12): 5131. doi: 10.1029/2002JE001847/abstract
    [5] 唐攀科, 李永丽, 李国斌, 等.成像光谱遥感技术及其在地质中的应用[J].矿产与地质, 2006, 20(2):160~164. http://www.cnki.com.cn/Article/CJFDTOTAL-KCYD200602012.htm

    TANG Pan-ke, LI Yong-li, LI Guo-bin, et al. Imaging spectrometry remote sensing technology and its applications in geology[J]. Mineral Resources and Geology, 2006, 20(2): 160~164. http://www.cnki.com.cn/Article/CJFDTOTAL-KCYD200602012.htm
    [6] 郑玉权, 禹秉熙.成像光谱仪分光技术概览[J].遥感学报, 6(1):75~80. doi: 10.11834/jrs.20020114

    ZHENG Yu-quan, YU Bing-xi. Overview of spectrum-dividing technologies in imaging spectrometers[J]. Journal of Remote Sensing, 2002, 6(1): 75~80. doi: 10.11834/jrs.20020114
    [7] 冯孝良, 管仕平, 牟传龙, 等.西藏甲马铜多金属矿床的岩浆热液交代成因:地质与地球化学证据[J].地质地球化学, 2001, 29(4):40~48. http://www.cnki.com.cn/Article/CJFDTOTAL-DZDQ200104006.htm

    FENG Xiao-liang, GUAN Shi-ping, MU Chuan-long, et al. Geological characteristics and genesis of the Jiama copper polymetallic deposit in Tibet[J]. Geology Geochemistry, 2001, 29(4): 40~48. http://www.cnki.com.cn/Article/CJFDTOTAL-DZDQ200104006.htm
    [8] 安秀清.西藏甲玛矿区铜资源量或逾1500万t [J].矿山机械, 2010, 22(38):95. http://www.cnki.com.cn/Article/CJFDTOTAL-KSJX201022051.htm

    AN Xiu-qing. A copper mine in Tibet Jiama resources or over 15 million t [J]. Mining Machinery, 2010, 22(38): 95. http://www.cnki.com.cn/Article/CJFDTOTAL-KSJX201022051.htm
    [9] 宋晚郊, 胡道功, 张绪教, 等.西藏冈底斯成矿带甲马段蚀变遥感异常信息提取研究[J].地质力学学报, 2012, 18(3):319~330. http://journal.geomech.ac.cn/ch/reader/view_abstract.aspx?flag=1&file_no=20120315&journal_id=dzlxxb

    SONG Wan-jiao, HU Dao-gong, ZHANG Xu-jiao, et al. Research on extraction of remote sensing alteration anomalies in Jiama copper deposit in Gangdise metallogenic belt, Tibet[J]. Journal of Geomechanics, 2012, 18(3): 319~330. http://journal.geomech.ac.cn/ch/reader/view_abstract.aspx?flag=1&file_no=20120315&journal_id=dzlxxb
    [10] 冷秋锋, 唐菊兴, 郑文宝, 等.甲玛斑岩矿床外围独立金矿体的发现及其地质意义[J].矿物学报, 2011, (s1):248~249. http://www.cnki.com.cn/Article/CJFDTOTAL-KWXB2011S1126.htm

    LENG Qiu-feng, TANG Ju-xing, ZHENG Wen-bao, et al. A peripheral porphyry deposits discovered Jiama gold body and its geological significance[J]. Acta Mineralogica Sinica, 2011, (s1): 248~249. http://www.cnki.com.cn/Article/CJFDTOTAL-KWXB2011S1126.htm
    [11] 秦志鹏, 汪雄武, 多吉, 等.西藏甲玛中酸性侵入岩LA-ICP-MS锆石U-Pb定年及成矿意义[J].矿床地质, 2011, 30(2):339~348. http://www.cnki.com.cn/Article/CJFDTOTAL-KCDZ201102015.htm

    QIN Zhi-peng, TANG Ju-xing, DUO Ji, et al. LA-ICP-MS U-Pb zircon age of intermediate-acidic intrusive rocks in Jiama of Tibet and its metallogenic significance[J]. Mineral Deposits, 2011, 30(2): 339~348. http://www.cnki.com.cn/Article/CJFDTOTAL-KCDZ201102015.htm
    [12] 吕凤军, 郝跃生, 石静, 等.Aster遥感数据蚀变遥感异常提取研究[J].地球学报, 2009, 30(2):271~276. http://www.cnki.com.cn/Article/CJFDTOTAL-DQXB200902019.htm

    LV Feng-jun, HAO Yue-sheng, SHI Jing, et al. Alteration remote sensing anomaly extraction based on Aster remote sensing data[J]. Acta Geoscientica Sinice, 2009, 30(2): 271~276. http://www.cnki.com.cn/Article/CJFDTOTAL-DQXB200902019.htm
    [13] 张玉君, 杨建民, 陈薇.ETM+(TM)蚀变遥感异常提取方法研究与应用——地质依据和波谱前提[J].国土资源遥感, 2002, (4):30~36. doi: 10.6046/gtzyyg.2002.04.07

    ZHANG Yu-jun, YANG Jian-min, CHEN Wei. A study on the method for extraction of alteration anomalies from the ETM+(TM) data and its application: Geologic basis and spectral precondition [J]. Remote Sensing for Land & Resources, 2002, (4): 30~36. doi: 10.6046/gtzyyg.2002.04.07
    [14] 苏一鸣, 李向前, 朱叶飞.ETM+(TM) (TM)蚀变遥感异常提取方法在宁镇地区的应用[J].地质学刊, 2009, 33(1):84~88. http://www.cnki.com.cn/Article/CJFDTOTAL-JSDZ200901025.htm

    SU Yi-ming, LI Xiang-qian, ZHU Ye-fei. Application of ETM+(TM) (TM) anomaly extraction method of altered remote sensing in Nanjing to Zhenjiang region[J]. Journal of Geology, 2009, 33(1): 84~88. http://www.cnki.com.cn/Article/CJFDTOTAL-JSDZ200901025.htm
    [15] 张志军, 甘甫平, 李贤庆, 等.基于Aster数据的蚀变矿物信息提取——以哈密黄山铜镍矿区为例[J].国土资源遥感, 2012, (2):85~91. http://www.cnki.com.cn/Article/CJFDTOTAL-GTYG201202018.htm

    ZHANG Zhi-jun, GAN Fu-ping, LI Xian-qing, et al. The extraction of altered mineral information based on Aster data: A case study of the Huangshan copper-nichel ore district in Hami[J]. Remote Sensing for Land & Resources, 2012, (2): 85~91. http://www.cnki.com.cn/Article/CJFDTOTAL-GTYG201202018.htm
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  • 收稿日期:  2014-12-10
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