划分华南不同块体的地球物理根据及与地球化学分区特征的对比研究
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摘要
根据华南的航磁、地震和大地电磁等地球物理方法的探测结果 ,将华南大陆划分为 3个不同块体 :扬子地块、华夏地块和东南沿海地块 ;并计算了华南视磁化强度的分布。根据视磁化强度的分布研究华南磁性分区特征 ,并利用深地震测深剖面资料和大地电磁资料对磁性分区的边界加以控制和印证 ,最后以多种地球物理方法确定的边界作为块体的边界。因此 ,这样对地块的划分比较客观。依据地球物理划分的结果与花岗岩同位素地球化学的研究结果进行了简单的比较 ,以说明这样的划分是受到地球物理和地球化学共同约束的
In this paper, the South China continent is divided into three blocks, namely Yangtze block, Huaxia block, and Southeast Coastal block, on the basis of the data from deep seismic sounding, aeromagnetic surveying, and electromagnetic sounding. The apparent magnetization was calculated. The magnetic features of different regions in South China were studied according to the distribution of apparent magnetization. In addition, the boundaries of the regions were delimited and verified by using the data from deep seismic sounding and electromagnetic sounding. The boundaries of the regions are regarded as the boundaries of the blocks in South China. Therefore the results from the above study are quite objective. The authors made a brief comparison between these results and the data obtained from isotopic geochemistry of granitoids in South China so as to show that the division of the continent into different blocks is constrained by geophysical and geochemical data.
In this paper, the South China continent is divided into three blocks, namely Yangtze block, Huaxia block, and Southeast Coastal block, on the basis of the data from deep seismic sounding, aeromagnetic surveying, and electromagnetic sounding. The apparent magnetization was calculated. The magnetic features of different regions in South China were studied according to the distribution of apparent magnetization. In addition, the boundaries of the regions were delimited and verified by using the data from deep seismic sounding and electromagnetic sounding. The boundaries of the regions are regarded as the boundaries of the blocks in South China. Therefore the results from the above study are quite objective. The authors made a brief comparison between these results and the data obtained from isotopic geochemistry of granitoids in South China so as to show that the division of the continent into different blocks is constrained by geophysical and geochemical data.
引文
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王懋基.1994.黑水泉州地学断面的重磁解释.地球物理学报,37(3):321～329.
王有学,韩国华.1997.华南宜丰吉安地区爆炸地震测深研究.袁学诚主编.阿尔泰台湾地学断面论文集,武汉:中国地质大学出版社.103～117.
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熊绍柏,赖明惠,刘宏兵,于桂生.1993.屯溪温州地带的岩石圈结构与速度分布.李继亮主编.东南大陆岩石圈结构与地质演化,北京:冶金工业出版社,250～255.
袁学诚,耶哥洛夫主编.2000.北冰洋欧亚大陆太平洋地学断面.北京:科学出版社.
张季生.2000.用三维解析信号技术处理华南航磁异常.物探与化探,24(3):190～196.
GuanZhiningandYaoChangli.1997.Inversionofthetotalgradientmodulusofmagneticanomalyduetodippingdike.EarthScienceJournalofChinaUniversityofGeosciences,22(1):81～85(inChinesewithEnglishabstract).
JinWenshan,ZhaoFengqingandZhangHuiminetal..1997.DeepcrustalstructureandevolutionofthecontinentinSouthChina.Beijing:GeologicalPublishingHouse(inChinese).
JiangMeiandJiaXinmin.1989.PhysicalpropertiesofgraniterocksinNanningregion.BulletinoftheInstituteofMineralDeposits,Chi neseAcademyofGeologicalSciences,27(1):145～155(inChinesewithEnglishabstract).
HongDawei,XieXilin,ZhangJisheng.1998.DeepstructuralsettingofgranitoidsandtheirmetallogenyinsouthChina.GlobalTecto nicsandMetallogeny,6～3(4):181～186
HongDawei,XieXilin,ZhangJisheng.1998.IsotopegeochemistryofgranitoidsinsouthChinaandtheirmetallogeny.ResourceGeology,48(4):251～263.
HongDawei,XieXilinandZhangJisheng.1999.Anexplorationonthecomposition,natureandevolutionofMid lowercrustinSouthChi nabasedonSmNdisotopicdatagranites.GeologicalJournalofChinaUniversities,5(4):361～371(inChinesewithEnglishab stract).
KongXiangru,ZhangLiandBaiDenghaietal..1993.TunxiWen zhouprofileandelectricstructureoflithosphere.Structureandevo lutionofcontinentallithosphereinSoutheastChina.LiJiliangeds.Beijing:MetallurgicalIndustryPress.:245～249(inChinese).
KongXiangru,XiongShaobaiandZhouWenxingetal..1995.Newad vanceofdeepgeophysicalstudyinZhejiangprovinceTheresearchresultsaboutTunxiWenzhoutransectandregionalgravity.Zhe jiangGeology,11(1):50～62(inChinese).
LiaoQilin,WangZhenmingandWangMingluetal..1987.VelocitystructureofcrustalandmantleincoastalregioninSouthChina.ScienceBulletin,32(12):933～935(inChinesewithEnglishab stract).
LiaoQilin,WangZhenmingandWangMingluetal..1988.ExplosionseismicstudyofthecrustalstructureinFujianQuanzhouShantouregion.ActaGeophysicaSinica,31(3):270～280(inChinesewithEnglishabstract).
PeiRongfuandHongDawei.1996.ThegranitesofsouthChinaandtheirmetallogeny,Episodes.18:77～82.
SunDemaiandZengQingshi.1987.DeepstructureofthegranitesandcharacteristicsofthegeophysicalfieldsinSouthChinaandtheirsig nificanceinoreprospecting.BulletinoftheInstituteofMineralDe posits,ChineseAcademyofGeologicalSciences,2(20),129～134(inChinesewithEnglishabstract).
WangMaoji.1985.StudyongravityandmagneticanomaliesofgranitesinSouthChinaandtheirgeologicalsignificance.Thecollectedworksforinternationalgeologicalmeetingof27th.Beijing:Geolog icalPublishingHouse,95～105(inChinese)
WangMaoji.1988.GeophysicalcharacteristicsandinfrastructureoftheendogenicmetallogenicregioninSoutheasternChina.GeophysicalandGeochemicalProspecting,12(1):1～9(inChinesewithEng lishabstract).
WangMaoji.1994.GravityandmagneticinterpretationofHeishuiQuanzhouGeoscienceTransect.ActaGeophysicaSinica,37(3):321～329(inChinesewithEnglishabstract)
WangYouxueandHanGuohua.1997.DeepseismicsoundingstudyofYifengJi’anareainSouthChina.ThecollectedworksofAletaiQuanzhoutransect.YueXuechengeds.Wuhan:ChineseGeologicalUniversityPress(inChinese).
WeiSiyuandYueHongyuan.1988.Geophysicalcharacteristicsandcon trolofresourceandenergyinSoutheasternChina.FujianGeology,(4):243～255(inChinese)
XiangShaobai,JinDongminandSunKedongetal..1991.Somechara cteristicsofdeepstructureoftheZhangzhougeothermalfieldandit’sneighbourhoodintheFujianprovince.ActaGeophysicaSinica,34(1):55～63(inChinesewithEnglishabstract).
XiongShaobai,LaiMinghuiandLiuHongbinetal..1993.Lithosphe ricstructureandvelocitydistributioninTunxiWenzhouarea.StructureandevolutionofcontinentallithosphereinSoutheastChi na.LiJiliangeds.Beijing:MetallurgicalIndustryPress.:250～255(inChinese).
YuanXuecheng,ASEgorovandGEMOC .2000.ArcticOceanicEu rosiaPacificOcean.GeoscienceTransect,Beijing:SciencePress.
ZhangJisheng.2000.Theapplicationof3DanalyticalsignaltechniquetothetreatmentofaeromagneticanomaliesinSouthChina.Geo physicalandGeochemicalExploration,24(3):190～196(inChi nesewithEnglishabstract).
管志宁,姚长利.1997.倾斜板体磁异常总梯度模反演方法.地球科学,22(1):81～85.
金文山,赵风清,张惠民,马开义等.1997.华南大陆深部地壳结构及其演化.北京:地质出版社.
姜枚,贾秀敏.1989.南岭花岗岩岩石物理性质的研究.中国地质科学院矿床地质研究所所刊,27(1):145～155.
洪大卫,谢锡林,张季生.1999.从花岗岩SmNd同位素探讨华南中下地壳的组成、性质和演化.高校地质学报,5(4):361～371.
孔祥儒,张丽,白登海等.1993.屯溪温州剖面岩石圈电性结构.李继亮主编.东南大陆岩石圈结构与地质演化,北京:冶金工业出版社,245～249.
孔祥儒,熊绍柏,周文星,张春林,钟庆华.1995.浙江省深部地球物理研究新进展屯溪温州、诸暨临海地学断面及区域重力研究成果.浙江地质,11(1):50～62.
廖其林,王振明,王屏路,余兆康,黄向荣.1987.我国华南沿海地区地壳与地幔速度结构特征.科学通报,32(12):933～935.
廖其林,王振明,王屏路,余兆康,吴宁远,刘宝诚.1988.福州泉州汕头地区地壳结构的爆炸地震研究.地球物理学报,31(3):270～280.
孙德梅,曾青石.1987.华南花岗岩深部地质构造的地球物理及其找矿意义.中国地质科学院矿床地质研究所所刊,20(2):129～134.
王懋基.1985.华南花岗岩重磁场研究及其地质意义.国际交流地质学术论文集,北京:地质出版社,95～105.
王懋基.1988.中国东南部内生成矿区的地球物理特征和深部构造.物探与化探,12(1):1～9.
王懋基.1994.黑水泉州地学断面的重磁解释.地球物理学报,37(3):321～329.
王有学,韩国华.1997.华南宜丰吉安地区爆炸地震测深研究.袁学诚主编.阿尔泰台湾地学断面论文集,武汉:中国地质大学出版社.103～117.
魏斯禹,滕红渊.1988.中国东南大陆地区的地球物理场特征及其对资源与能源的控制.福建地质,(4):243～255.
熊绍柏,金东敏,孙克忠,邹以生,樊叙邦,杜小刚.1991.福建漳州地热田及其邻近地区的地壳深部构造特征.地球物理学报,34(1):55～63.
熊绍柏,赖明惠,刘宏兵,于桂生.1993.屯溪温州地带的岩石圈结构与速度分布.李继亮主编.东南大陆岩石圈结构与地质演化,北京:冶金工业出版社,250～255.
袁学诚,耶哥洛夫主编.2000.北冰洋欧亚大陆太平洋地学断面.北京:科学出版社.
张季生.2000.用三维解析信号技术处理华南航磁异常.物探与化探,24(3):190～196.
GuanZhiningandYaoChangli.1997.Inversionofthetotalgradientmodulusofmagneticanomalyduetodippingdike.EarthScienceJournalofChinaUniversityofGeosciences,22(1):81～85(inChinesewithEnglishabstract).
JinWenshan,ZhaoFengqingandZhangHuiminetal..1997.DeepcrustalstructureandevolutionofthecontinentinSouthChina.Beijing:GeologicalPublishingHouse(inChinese).
JiangMeiandJiaXinmin.1989.PhysicalpropertiesofgraniterocksinNanningregion.BulletinoftheInstituteofMineralDeposits,Chi neseAcademyofGeologicalSciences,27(1):145～155(inChinesewithEnglishabstract).
HongDawei,XieXilin,ZhangJisheng.1998.DeepstructuralsettingofgranitoidsandtheirmetallogenyinsouthChina.GlobalTecto nicsandMetallogeny,6～3(4):181～186
HongDawei,XieXilin,ZhangJisheng.1998.IsotopegeochemistryofgranitoidsinsouthChinaandtheirmetallogeny.ResourceGeology,48(4):251～263.
HongDawei,XieXilinandZhangJisheng.1999.Anexplorationonthecomposition,natureandevolutionofMid lowercrustinSouthChi nabasedonSmNdisotopicdatagranites.GeologicalJournalofChinaUniversities,5(4):361～371(inChinesewithEnglishab stract).
KongXiangru,ZhangLiandBaiDenghaietal..1993.TunxiWen zhouprofileandelectricstructureoflithosphere.Structureandevo lutionofcontinentallithosphereinSoutheastChina.LiJiliangeds.Beijing:MetallurgicalIndustryPress.:245～249(inChinese).
KongXiangru,XiongShaobaiandZhouWenxingetal..1995.Newad vanceofdeepgeophysicalstudyinZhejiangprovinceTheresearchresultsaboutTunxiWenzhoutransectandregionalgravity.Zhe jiangGeology,11(1):50～62(inChinese).
LiaoQilin,WangZhenmingandWangMingluetal..1987.VelocitystructureofcrustalandmantleincoastalregioninSouthChina.ScienceBulletin,32(12):933～935(inChinesewithEnglishab stract).
LiaoQilin,WangZhenmingandWangMingluetal..1988.ExplosionseismicstudyofthecrustalstructureinFujianQuanzhouShantouregion.ActaGeophysicaSinica,31(3):270～280(inChinesewithEnglishabstract).
PeiRongfuandHongDawei.1996.ThegranitesofsouthChinaandtheirmetallogeny,Episodes.18:77～82.
SunDemaiandZengQingshi.1987.DeepstructureofthegranitesandcharacteristicsofthegeophysicalfieldsinSouthChinaandtheirsig nificanceinoreprospecting.BulletinoftheInstituteofMineralDe posits,ChineseAcademyofGeologicalSciences,2(20),129～134(inChinesewithEnglishabstract).
WangMaoji.1985.StudyongravityandmagneticanomaliesofgranitesinSouthChinaandtheirgeologicalsignificance.Thecollectedworksforinternationalgeologicalmeetingof27th.Beijing:Geolog icalPublishingHouse,95～105(inChinese)
WangMaoji.1988.GeophysicalcharacteristicsandinfrastructureoftheendogenicmetallogenicregioninSoutheasternChina.GeophysicalandGeochemicalProspecting,12(1):1～9(inChinesewithEng lishabstract).
WangMaoji.1994.GravityandmagneticinterpretationofHeishuiQuanzhouGeoscienceTransect.ActaGeophysicaSinica,37(3):321～329(inChinesewithEnglishabstract)
WangYouxueandHanGuohua.1997.DeepseismicsoundingstudyofYifengJi’anareainSouthChina.ThecollectedworksofAletaiQuanzhoutransect.YueXuechengeds.Wuhan:ChineseGeologicalUniversityPress(inChinese).
WeiSiyuandYueHongyuan.1988.Geophysicalcharacteristicsandcon trolofresourceandenergyinSoutheasternChina.FujianGeology,(4):243～255(inChinese)
XiangShaobai,JinDongminandSunKedongetal..1991.Somechara cteristicsofdeepstructureoftheZhangzhougeothermalfieldandit’sneighbourhoodintheFujianprovince.ActaGeophysicaSinica,34(1):55～63(inChinesewithEnglishabstract).
XiongShaobai,LaiMinghuiandLiuHongbinetal..1993.Lithosphe ricstructureandvelocitydistributioninTunxiWenzhouarea.StructureandevolutionofcontinentallithosphereinSoutheastChi na.LiJiliangeds.Beijing:MetallurgicalIndustryPress.:250～255(inChinese).
YuanXuecheng,ASEgorovandGEMOC .2000.ArcticOceanicEu rosiaPacificOcean.GeoscienceTransect,Beijing:SciencePress.
ZhangJisheng.2000.Theapplicationof3DanalyticalsignaltechniquetothetreatmentofaeromagneticanomaliesinSouthChina.Geo physicalandGeochemicalExploration,24(3):190～196(inChi nesewithEnglishabstract).
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