西藏地堡那木岗斑岩型铜矿多光谱遥感蚀变矿物组合分带特征
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摘要
文章基于ASTER和Landsat-8OLI两种多光谱遥感数据,采用高光谱遥感技术混合调谐滤波(MTMF)、多光谱遥感技术相对吸收深度(RBD)、波段比值(BR)等方法提取了西藏多龙矿集区地堡那木岗斑岩型铜金矿床地表的蚀变矿物组合。其结果表明,基于ASTER数据的MTMF技术可将Al—OH矿物划分为白云母+高岭石/蒙脱石和地开石+蒙脱石+累托石两种组合,进一步可细分出斑岩型矿床多光谱遥感地表蚀变矿物组合并呈现出良好的分带特征:地堡那木岗铜金矿床自内而外依次为白云母+高岭石/蒙脱石→地开石+蒙脱石+累托石→Mg—OH类矿物组合,分别对应于前人野外调查所勘测到的的绢英岩化带+泥化带→泥化带→青磐岩化带,Fe3+矿物叠加于绢英岩化带、泥化带及其两带的叠合部位。所提取的多光谱遥感蚀变矿物组合分带特征对该区斑岩型铜金矿床的勘查工作提供了重要的遥感线索,对定位找矿靶区具有指导意义。
The alteration mineral groups at surface in Dibaonamugang porphyry copper gold deposit are extracted from Advanced Spaceborne Thermal Emission and Reflection Radiometer(ASTER)and Landsat-8 Operational Land Imager(OLI)data by using the Mixture Tuned Marched Filtering(MTMF)technique of hyperspectral remote sensing,Relative Band Depth(RBD)and Band Ratio(BR)techniques.ASTER data processed by MTMF technique can divide the Al-OH minerals into two mineral groups:the muscovite+ kaolinite/montmorillonite and the dickite+ montmorillonite+rectorite.Through sub-division of the two can be recognized surface alteration mineral zoning of porphyry ore deposit.For examle of Dibaonamugang Cu-Au deposit the zoning is from interior to the exterior muscovite+kaolinite/montmorillonite,dickite+montmorillonite+rectorite and Mg—OH corresponding to the previously defined phyllic zone+ argillic zone,the argillic zone and the propylitic zone respectively.The ferric iron minerals overprinted on the phyllic zone,the argillic zone and the overlapping part of these two zones.The zoning characteristics of the alteration mineral groups from multispectral remote sensing provide an important information to the further prospecting work of the porphyry copper deposit in this area.
The alteration mineral groups at surface in Dibaonamugang porphyry copper gold deposit are extracted from Advanced Spaceborne Thermal Emission and Reflection Radiometer(ASTER)and Landsat-8 Operational Land Imager(OLI)data by using the Mixture Tuned Marched Filtering(MTMF)technique of hyperspectral remote sensing,Relative Band Depth(RBD)and Band Ratio(BR)techniques.ASTER data processed by MTMF technique can divide the Al-OH minerals into two mineral groups:the muscovite+ kaolinite/montmorillonite and the dickite+ montmorillonite+rectorite.Through sub-division of the two can be recognized surface alteration mineral zoning of porphyry ore deposit.For examle of Dibaonamugang Cu-Au deposit the zoning is from interior to the exterior muscovite+kaolinite/montmorillonite,dickite+montmorillonite+rectorite and Mg—OH corresponding to the previously defined phyllic zone+ argillic zone,the argillic zone and the propylitic zone respectively.The ferric iron minerals overprinted on the phyllic zone,the argillic zone and the overlapping part of these two zones.The zoning characteristics of the alteration mineral groups from multispectral remote sensing provide an important information to the further prospecting work of the porphyry copper deposit in this area.
引文
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[34]Markham B,Storey J,Morfitt R.Landsat-8Sensor Characterization and Calibration[J].Remote Sensing,2015,7(3):2279-2282.
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[36]Iwasaki A,Tonooka H.Validation of a crosstalk correction algorithm for ASTER/SWIR[J].Geoscience&Remote Sensing IEEE Transactions on,2005,43(12):2747-2751.
[37]张廷斌,唐菊兴,黄丁发.矿化蚀变信息提取的TM/ETM+遥感影像模式[J].遥感信息,2009,2009(2):47-51.
[38]Gabr S,Ghulam A,Kusky T.Detecting areas of high-potential gold mineralization using ASTER data[J].Ore Geology Reviews,2010,38(1-2):59-69.
[39]Melendez-Pastor I,Navarro-Pedre?o J,Koch M,et al.Applying imaging spectroscopy techniques to map saline soils with ASTER images[J].Geoderma,2010,158(1):55-65.
[40]Modabberi S,Ahmadi A,Tangestani M H.Sub-pixel mapping of alunite,and jarosite using ASTER data;a case study from north of Semnan,north central Iran[J].Ore Geology Reviews,2017,80:429-436.
[41]Pour A B,Hashim M.The application of ASTER remote sensing data to porphyry copper and epithermal gold deposits[J].Ore Geology Reviews,2012,44(1):1-9.
[42]Karimpour M H,Mazhari N,Shafaroudi A M.Discrimination of Different Erosion Levels of Porphyry Cu Deposits using ASTER Image Processing in Eastern Iran:A Case Study in the Maherabad,Shadan,and Chah Shaljami Areas[J].Acta Geologica Sinica(English Edition),2014,88(4):1195-1213.
[43]Zadeh M H,Tangestani M H,Roldan F V,et al.Mineral Exploration and Alteration Zone Mapping Using Mixture Tuned Matched Filtering Approach on ASTER Data at the Central Part of Dehaj-Sarduiyeh Copper Belt,SE Iran[J].IEEE Journal of Selected Topics in Applied Earth Observations&Remote Sensing,2014,7(1):284-289.
[44]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.
[45]Mars J C,Rowan L C.Spectral assessment of new ASTER SWIR surface reflectance data products for spectroscopic mapping of rocks and minerals[J].Remote Sensing of Environment,2010,114(9):2011-2025.
[46]Rowan L C,Schmidt R G,Mars J C.Distribution of hydrothermally altered rocks in the Reko Diq,Pakistan mineralized area based on spectral analysis of ASTER data[J].Remote Sensing of Environment,2006,104(1):74-87.
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[2]Rowan L C,Crowley J K,Schmidt R G,et al.Mapping hydrothermally altered rocks by analyzing hyperspectral image(AVIRIS)data of forested areas in the Southeastern United States[J].Journal of Geochemical Exploration,2000,68(3):145-166.
[3]Masoumeh Alimohammadi,Saeed Alirezaei,Daniel J.Kontak.Application of ASTER data for exploration of porphyry copper deposits:A case study of Daraloo-Sarmeshk area,southern part of the Kerman copper belt,Iran[J].Ore Geology Reviews,2015:290-304.
[4]汪子义,张廷斌,易桂华,等.西藏冲江-厅宫斑岩型铜矿区遥感蚀变信息提取与找矿预测[J].地质与勘探,2016,52(6):1129-1137.
[5]张廷斌,钟康惠,易桂花,等.东昆仑五龙沟金矿集中区遥感地质信息提取与找矿预测[J].地质与勘探,2009,45(4):444-449.
[6]张玉君,杨建民,姚佛军.用ASTER数据进行不同类型矿床蚀变异常提取研究[C]//全国矿床会议.2006:507-510.
[7]Lowell J D.Lateral and vertical alteration-mineralization zoning in porphyry ore deposits[J].Economic Geology,1970,65(4):373-408.
[8]Sillitoe R H.Porphyry Copper Systems[J].Economic Geology,2010,105(1):3-41.
[9]张廷斌.斑岩铜矿遥感蚀变信息重现性与优选研究——以西藏自治区典型斑岩铜矿为例[D].重庆:西南交通大学,2013.
[10]Hunt G R.Spectral Signatures of Particulate Minerals in the Visible and Near Inefrared[J].Geophysics,1977,42(3):501-503.
[11]Rowan L C,Simpson C J,Mars J C.Hyperspectral analysis of the ultramafic complex and adjacent lithologies at Mordor,NT,Australia[J].Remote Sensing of Environment,2004,91(3):419-431.
[12]别小娟,孙传敏,张廷斌,等.玉龙斑岩铜矿带北段ASTER遥感蚀变信息提取与优选[J].中国矿业,2014,23(4):69-74.
[13]耿新霞,杨建民,张玉君,等.ASTER数据在浅覆盖区蚀变遥感异常信息提取中的应用——以新疆西准噶尔包古图斑岩铜矿岩体为例[J].地质论评,2008,54(2):184-191.
[14]张玉君,杨建民.基岩裸露区蚀变岩遥感信息的提取方法[J].国土资源遥感,1998(2):46-53.
[15]Mahdevar M R,Ketabi P,Saadatkhah N,et al.Application of ASTER SWIR data on detection of alteration zone in the Sheikhabad area,eastern Iran[J].Arabian Journal of Geosciences,2015,8(8):5909-5919.
[16]Sabins F F.Remote sensing for mineral exploration[J].Ore Geology Reviews,1999,14(3-4):157-183.
[17]Tangestani M H,Moore F.Iron oxide and hydroxyl enhancement using the Crosta Method:a case study from the Zagros Belt,Fars Province,Iran[J].International Journal of Applied Earth Observation&Geoinformation,2000,2(2):140-146.
[18]Goward S N,Masek J G,Williams D L,et al.The Landsat-7mission:Terrestrial research and applications for the 21st century[J].Remote Sensing of Environment,2001,78(1):3-12.
[19]Hewson R D,Cudahy T J,Mizuhiko S,et al.Seamless geological map generation using ASTER in the Broken Hill-Curnamona province of Australia[J].Remote Sensing of Environment,2005,99(1):159-172.
[20]Hewson R D,Cudahy T J,Drakebrockman J,et al.Mapping geology associated with manganese mineralisation using spectral sensing techniques at Woodie Woodie,East Pilbara[J].Exploration Geophysics,2006,37(4):389-400.
[21]张玉君,姚佛军.应用多光谱ASTER数据对ETM遥感异常的定性判别研究——以东昆仑五龙沟为例[J].岩石学报,2009,25(4):963-970.
[22]张玉君,曾朝铭.西藏冈底斯地区斑岩铜矿识别的最佳多光谱遥感异常判据研究[J].矿床地质,2012,31(4):671-698.
[23]代晶晶,曲晓明,辛洪波.基于ASTER遥感数据的西藏多龙矿集区示矿信息的提取[J].地质通报,2010,29(5):752-759.
[24]Ducart D F,Crosta A P,Filho C R S,et al.Alteration Mineralogy at the Cerro La Mina Epithermal Prospect,Patagonia,Argentina:Field Mapping,Short-Wave Infrared Spectroscopy,and ASTER ImagesJ].Economic Geology,2006,101(5):981-996.
[25]Zhang T,Yi G,Li H,et al.Integrating Data of ASTER and Landsat-8 OLI(AO)for Hydrothermal Alteration Mineral Mapping in Duolong Porphyry Cu-Au Deposit,Tibetan Plateau,China[J].2016,8(12):890.
[26]时丕龙,付碧宏,二宫芳树.基于ASTER VNIR—SWIR多光谱遥感数据识别与提取干旱地区岩性信息——以西南天山柯坪隆起东部为例[J].地质科学,2010,45(1):333-347.
[27]姚佛军,张玉君,杨建民,等.利用ASTER提取德兴斑岩铜矿遥感蚀变分带信息[J].矿床地质,2012,31(4):881-890.
[28]郭硕.西藏改则县多龙矿集区矿床模型与应用[D].北京:中国地质大学(北京),2013.
[29]孙振明,李才,任云生,等.西藏多龙矿集区地堡那木岗铜(金)矿床流体包裹体特征及矿床成因[J].地质找矿论丛,2017,32(2):219-226.
[30]Abrams M,Tsu H,Hulley G,et al.The Advanced Spaceborne Thermal Emission and Reflection Radiometer(ASTER)after fifteen years:Review of global products[J].International Journal of Applied Earth Observation&Geoinformation,2015,38:292-301.
[31]Amer R,Mezayen A E,Hasanein M.ASTER spectral analysis for alteration minerals associated with gold mineralization[J].Ore Geology Reviews,2016,75:239-251.
[32]Rowan L C,Mars J C,Simpson C J.Lithologic mapping of the Mordor,NT,Australia ultramafic complex by using the Advanced Spaceborne Thermal Emission and Reflection Radiometer(ASTER)[J].Remote Sensing of Environment,2005,99(1-2):105-126.
[33]Mars J C,Rowan L C.Regional mapping of phyllic and argillic-altered rocks in the Zagros magmatic arc,Iran,using Advanced Spaceborne Thermal Emission and Reflection Radiometer(ASTER)data and logical operator algorithms[J].Geosphere,2006,2(3):161-186.
[34]Markham B,Storey J,Morfitt R.Landsat-8Sensor Characterization and Calibration[J].Remote Sensing,2015,7(3):2279-2282.
[35]Pour A B,Hashim M.Hydrothermal alteration mapping from Landsat-8data,Sar Cheshmeh copper mining district,south-eastern Islamic Republic of Iran[J].Journal of Taibah University for Science,2015,9(2):155-166.
[36]Iwasaki A,Tonooka H.Validation of a crosstalk correction algorithm for ASTER/SWIR[J].Geoscience&Remote Sensing IEEE Transactions on,2005,43(12):2747-2751.
[37]张廷斌,唐菊兴,黄丁发.矿化蚀变信息提取的TM/ETM+遥感影像模式[J].遥感信息,2009,2009(2):47-51.
[38]Gabr S,Ghulam A,Kusky T.Detecting areas of high-potential gold mineralization using ASTER data[J].Ore Geology Reviews,2010,38(1-2):59-69.
[39]Melendez-Pastor I,Navarro-Pedre?o J,Koch M,et al.Applying imaging spectroscopy techniques to map saline soils with ASTER images[J].Geoderma,2010,158(1):55-65.
[40]Modabberi S,Ahmadi A,Tangestani M H.Sub-pixel mapping of alunite,and jarosite using ASTER data;a case study from north of Semnan,north central Iran[J].Ore Geology Reviews,2017,80:429-436.
[41]Pour A B,Hashim M.The application of ASTER remote sensing data to porphyry copper and epithermal gold deposits[J].Ore Geology Reviews,2012,44(1):1-9.
[42]Karimpour M H,Mazhari N,Shafaroudi A M.Discrimination of Different Erosion Levels of Porphyry Cu Deposits using ASTER Image Processing in Eastern Iran:A Case Study in the Maherabad,Shadan,and Chah Shaljami Areas[J].Acta Geologica Sinica(English Edition),2014,88(4):1195-1213.
[43]Zadeh M H,Tangestani M H,Roldan F V,et al.Mineral Exploration and Alteration Zone Mapping Using Mixture Tuned Matched Filtering Approach on ASTER Data at the Central Part of Dehaj-Sarduiyeh Copper Belt,SE Iran[J].IEEE Journal of Selected Topics in Applied Earth Observations&Remote Sensing,2014,7(1):284-289.
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