爪哇和加里曼丹(印尼)新生代埃达克质岩的地球化学特征、成因及构造环境对比
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摘要
本文根据文献上的新生代岩浆岩岩石化学数据,确定印尼爪哇岛和加里曼丹岛中部等地存在埃达克质岩存在的证据和成因,判别其地球化学-构造环境,将其与印支板块东北侧的同时代埃达克质岩以及南苏门答腊楠榜省第四纪埃达克质岩的构造环境进行对比。本区新生代埃达克质岩形成于活动大陆边缘火山弧,可以划分为两种类型:C-型(大陆型)和O-型(岛弧型)埃达克岩,其La/Yb比值变化于3.47~28之间,比阿留申群岛的典型埃达克岩的La/Yb比值(>20)变化范围更大,其成因是由俯冲板片部分熔融,地幔楔混染和上地壳的结晶分离作用(AFC)而成。Zr/Nb-Mg O和Zr/Nb-Zr图解以及Zr/Hf和Nb/Ta比值证明了本区大多数火山岩的岩浆作用和岩浆岩源区与地幔楔混染有关。
Based on the published magmatic lithogeochemical data, this paper conforms the evidence for the existing of Cenozoic adakitic rocks in Java island and Kalimantan island(Indonesia), presents a lots of geochemical-tectonic setting discrimination diagrams, and discusses their tectonic setting comparison to adakitic rocks of the same ages at the north-east part of the Indochina Plate as well as the Quaternary adakitic rocks in Lampung Province of Southern Sumatra. The Cenozoic adakitic rocks in this area, which formed in the volcanic arc at active continental margin, may be classified into two types of adakitic rocks: C-type(continental)and O-type( island arc), with La/Yb ratio widely varying in 3.47 ~ 28, compared to that of the typical adakites(>20) in Allusion Archipelago. The origin of these adakitic rocks may be resulted by partly melting of subducted oceanic plate, the assimilation of mantle wedge plus the fractional crystallization(AFC) within upper crust. The Zr/Nb-Mg O and Zr/Nb-Zr diagrams as well as Zr/Hf and Nb/Ta ratios indicate that the magmatism and its provenances in this area were related to the assimilation of mantle wedge.
Based on the published magmatic lithogeochemical data, this paper conforms the evidence for the existing of Cenozoic adakitic rocks in Java island and Kalimantan island(Indonesia), presents a lots of geochemical-tectonic setting discrimination diagrams, and discusses their tectonic setting comparison to adakitic rocks of the same ages at the north-east part of the Indochina Plate as well as the Quaternary adakitic rocks in Lampung Province of Southern Sumatra. The Cenozoic adakitic rocks in this area, which formed in the volcanic arc at active continental margin, may be classified into two types of adakitic rocks: C-type(continental)and O-type( island arc), with La/Yb ratio widely varying in 3.47 ~ 28, compared to that of the typical adakites(>20) in Allusion Archipelago. The origin of these adakitic rocks may be resulted by partly melting of subducted oceanic plate, the assimilation of mantle wedge plus the fractional crystallization(AFC) within upper crust. The Zr/Nb-Mg O and Zr/Nb-Zr diagrams as well as Zr/Hf and Nb/Ta ratios indicate that the magmatism and its provenances in this area were related to the assimilation of mantle wedge.
引文
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[19]HIEU Pham Trung,王涛,童英.越南西北部Phan Si Pan地区新生代埃达克质侵入岩时代、成因及构造意义——U-Pb锆石年龄、元素地球化学和Hf同位素证据[J].岩石学报,2012,28(9):3031-3041.
[20]Tran My Dung,刘俊来,Nguyen Quang Luat.越南西北部Pu Sam Cap高钾碱性岩LA-ICPMS锆石U-Pb年龄与Hf同位素组成及其区域构造意义[J].岩石学报2010,26(6):1902-1914.
[21]Soeria-Atmadja R,Noeradi D,Priadi B.Cenozoic magmatism in Kalimantan and its related geodynamic evolution[J].Journal of Asian Earth Sciences,1999,17(1):25-45.
[22]Soeria-Atmadja R,Maury R C,Bellon H,Pringgoprawiro H,Polve M,Priadi B.Tertiary magmatic belts in Java[J].Journal of Southeast Asian Earth Sciences,1994,9(1-2):13-27.
[23]Petrelli M,Poli G,Perugini D,Peccerillo A.Petro Graph:A new software to visualize,model,and present geochemical data in igneous petrology[J].Geochemistry Geophysics Geosystems,2005,6(7):115.
[24]Richard L R.Minpet:Mineralogical and petrological data processing system,version 2.02.Quebec(Canada):Min Pet Geological Software,1995.
[25]Hall R et Wilson M E J Neogene sutures in Eatern Indonesia.Joural of Asian Earth Sciences,2000,18:781-808.
[26]汪云亮,张成江,修淑芝.玄武岩类形成的大地构造环境的Th/Hf-Ta/Hf图解判别[J].岩石学报,2001,17(3):413-421.
[27]孙书勤,张成江,黄润秋.板块汇聚边缘玄武岩大地构造环境的Th、Nb、Zr判别[J].地球科学进展,2006,21(6):593-598.
[28]武莉娜,王志畅,汪云亮.微量元素La,Nb,Zr在判别大地构造环境方面的应用[J].华东地质学院学报,2003,26(4):343-348.
[29]朱章显,杨振强,胡鹏.印尼苏门答腊岛巴东地区埃达克质岩地球化学特征和构造环境意义[J].中国矿业,2014,23(8):92-99,109.
[30]Gorton M P,Schandl E S.From continents to island arcs:a geochemical index of tectonic setting for arc-related and within-plate felsic to intermediate volcanic rocks[J].The Canadian Mineralogist,2000,38(5):1065-1073.
[31]高小卫,杨振强,吴秀荣.海南岛晚海西-印支期埃达克质岩的构造环境判别及与邻区对比[J].华南地质与矿产,2014,30(3):206-217.
[32]Stolz A J,Jochun K P,Spettel B,Hofmann A W.Fluid and melt-related enrichment in the subarc mantle:evidence from Nb/Ta variations in island arc[J].Geology,1997,24(7):587-590.
[33]葛文春,李献华,李正祥,周汉文.桂北龙胜丹洲群火山岩的地幔源区及大地构造环境[J]长春科技大学学报,2001,31(1):20-24.
[34]徐德明,谢才富,付太安,张业明,李志宏.琼中古-中元古代变质基性火山岩地球化学特征[J].成都理工大学学报(自然科学版),2005,32(5):453-459.
[35]Huang H,Niu Y L,Zhao Z D,Hei H X,Zhu D C.On the enigma of Nb-Ta and Zr-Hf fractionation—A critical review[J].Journal of Earth Science,2011,22(1):52-66.
[36]Crow M J,Tertiary volcanicity[A]//In:Barker A J,J,Crow M J,and Milson J S(eds),Sumatra:Geology,Resources and Tectonics[C].London:Geological Society Memoir,2005,31:98-119.
[37]Maulana A.Petrology,Geochemistry and Metamorphic Evolution of South Sulawesi Basement Rock Complexes,Indonesia[D].Canberra:The Australian National University,2009:1-89.
[2]Kay R W.Aleutian magnesian andesites:melts from subducted Pacific Ocean crust[J].Journal of Volcanology and Geothermal Research,1978,4:117-132.
[3]王强,许继峰,赵振华.一种新的火成岩-埃达克岩的研究综述[J].地球科学进展,2001,16(2):201-208.
[4]王焰,张旗,钱青.埃达克岩(adakite)的地球化学特征及其构造意义[J].地质科学,2000,35(2):251-256.
[5]朱弟成,段丽萍,廖忠礼,潘桂棠.两类埃达克岩(Adakite)的判别[J].矿物岩石,2002,22(3):5-9.
[6]朱弟成,潘桂棠,段丽萍,夏林,廖忠礼,王立全.埃达克岩研究的几个问题[J].西北地质,2003,36(2):13-19.
[7]张旗,许继峰,王焰,肖龙,刘红涛,王元龙.埃达克岩的多样性[J].地质通报,2004,23(9-10):959-965.
[8]张旗,王焰,钱青,杨进辉,王元龙,赵太平,郭光军.中国东部燕山期埃达克岩的特征及其构造-成矿意义[J].岩石学报,2001,17(2):236-244.
[9]Richards J P,Kerrich R.Adakite-Like Rocks:Their Diverse Origins and Questionable Role in Metallogenesis[J].Economic Geology,2007,102(4):537-576.
[10]朱章显,杨振强,姚华舟.巴布亚新几内亚新生代两类埃达克岩的构造环境意义[J].华南地质与矿产,2007,(2):1~6,13.
[11]朱章显,杨振强.东南亚新生代两类埃达克岩的分布、成因和含矿性[J].地质力学学报,2008,14(4):338-344.
[12]朱章显,赵财胜,杨振强.苏拉威西埃达克岩、类埃达克岩分布和特征[J].吉林大学学报(地球科学版),2009,39(1):80-88.
[13]朱章显,杨振强,梁约翰,彭练红,谌建国,姚华舟.巽他群岛埃达克岩的分布及斑岩型铜(金)矿成矿预测的地质准则[J].地质通报,2009,28(2-3):333-342.
[14]杨振强,朱章显.新生代埃达克岩两种成因类型埃达克岩的含矿性和源区:西南太平洋带与东太平洋带对比[J].华南地质与矿产,2010,(3):1-11.
[15]姚华舟,朱章显,韦延光,杨振强,等.巽他群岛—新几内亚岛地区地质与矿产[M].北京:地质出版社,2011:1-277.
[16]朱章显,杨振强,向文帅,胡鹏.两类埃达克岩的含矿性和成因:东南亚地区与东太平洋带对比[J].吉林大学学报(地球科学版),2012,42(增1):237-246.
[17]Zulkarnain I.Geochemical evidence of island-arc origin for Sumatra Island:a new perspective based on volcanic rocks in Lampung Province,Indonesia[J].Jurnal Geologi Indonesia,2011,6(4):213-225.
[18]Prouteau G,Maury R C,Rangin C,Suparka E,Bellon H,Pubellier M,Cotten J.Miocene adakites from northwest Borneo and their relation to the subduction of the Proto South China Sea[J].C.R.Acad.Sci.,Série II A,1996,323(11):925-932.
[19]HIEU Pham Trung,王涛,童英.越南西北部Phan Si Pan地区新生代埃达克质侵入岩时代、成因及构造意义——U-Pb锆石年龄、元素地球化学和Hf同位素证据[J].岩石学报,2012,28(9):3031-3041.
[20]Tran My Dung,刘俊来,Nguyen Quang Luat.越南西北部Pu Sam Cap高钾碱性岩LA-ICPMS锆石U-Pb年龄与Hf同位素组成及其区域构造意义[J].岩石学报2010,26(6):1902-1914.
[21]Soeria-Atmadja R,Noeradi D,Priadi B.Cenozoic magmatism in Kalimantan and its related geodynamic evolution[J].Journal of Asian Earth Sciences,1999,17(1):25-45.
[22]Soeria-Atmadja R,Maury R C,Bellon H,Pringgoprawiro H,Polve M,Priadi B.Tertiary magmatic belts in Java[J].Journal of Southeast Asian Earth Sciences,1994,9(1-2):13-27.
[23]Petrelli M,Poli G,Perugini D,Peccerillo A.Petro Graph:A new software to visualize,model,and present geochemical data in igneous petrology[J].Geochemistry Geophysics Geosystems,2005,6(7):115.
[24]Richard L R.Minpet:Mineralogical and petrological data processing system,version 2.02.Quebec(Canada):Min Pet Geological Software,1995.
[25]Hall R et Wilson M E J Neogene sutures in Eatern Indonesia.Joural of Asian Earth Sciences,2000,18:781-808.
[26]汪云亮,张成江,修淑芝.玄武岩类形成的大地构造环境的Th/Hf-Ta/Hf图解判别[J].岩石学报,2001,17(3):413-421.
[27]孙书勤,张成江,黄润秋.板块汇聚边缘玄武岩大地构造环境的Th、Nb、Zr判别[J].地球科学进展,2006,21(6):593-598.
[28]武莉娜,王志畅,汪云亮.微量元素La,Nb,Zr在判别大地构造环境方面的应用[J].华东地质学院学报,2003,26(4):343-348.
[29]朱章显,杨振强,胡鹏.印尼苏门答腊岛巴东地区埃达克质岩地球化学特征和构造环境意义[J].中国矿业,2014,23(8):92-99,109.
[30]Gorton M P,Schandl E S.From continents to island arcs:a geochemical index of tectonic setting for arc-related and within-plate felsic to intermediate volcanic rocks[J].The Canadian Mineralogist,2000,38(5):1065-1073.
[31]高小卫,杨振强,吴秀荣.海南岛晚海西-印支期埃达克质岩的构造环境判别及与邻区对比[J].华南地质与矿产,2014,30(3):206-217.
[32]Stolz A J,Jochun K P,Spettel B,Hofmann A W.Fluid and melt-related enrichment in the subarc mantle:evidence from Nb/Ta variations in island arc[J].Geology,1997,24(7):587-590.
[33]葛文春,李献华,李正祥,周汉文.桂北龙胜丹洲群火山岩的地幔源区及大地构造环境[J]长春科技大学学报,2001,31(1):20-24.
[34]徐德明,谢才富,付太安,张业明,李志宏.琼中古-中元古代变质基性火山岩地球化学特征[J].成都理工大学学报(自然科学版),2005,32(5):453-459.
[35]Huang H,Niu Y L,Zhao Z D,Hei H X,Zhu D C.On the enigma of Nb-Ta and Zr-Hf fractionation—A critical review[J].Journal of Earth Science,2011,22(1):52-66.
[36]Crow M J,Tertiary volcanicity[A]//In:Barker A J,J,Crow M J,and Milson J S(eds),Sumatra:Geology,Resources and Tectonics[C].London:Geological Society Memoir,2005,31:98-119.
[37]Maulana A.Petrology,Geochemistry and Metamorphic Evolution of South Sulawesi Basement Rock Complexes,Indonesia[D].Canberra:The Australian National University,2009:1-89.