Petrogenesis of granitic magma and its thermal history : disclosure of melting reaction from granitic suites

花岗质岩浆的岩石成因及其热历史:花岗质岩层熔融反应的揭示

基本信息

  • 批准号:
    15540437
  • 负责人:
  • 金额:
    $ 1.98万
  • 依托单位:
  • 依托单位国家:
    日本
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
  • 财政年份:
    2003
  • 资助国家:
    日本
  • 起止时间:
    2003 至 2004
  • 项目状态:
    已结题

项目摘要

An acceptable model for the generation of granitic magma is partial melting of crustal materials. Experimental studies using both model and natural systems have revealed melting reactions for crustal materials under conditions of lower to middle crust. The melting reactions in metamorphic rocks were previously reported from high-grade metamorphic terranes, whereas those in igneous rocks are less understood. It is possible that any information with respect to melting reactions is preserved in granitic suites because of their high-viscosity of magma.We found reaction texture to produce granitic melt in the granite suites that intruded granulite facies metamorphic rocks in the Kontum Massif, Vietnam and also metamorphic xenoliths included in the diorite complex in the Hidaka metamorphic belt, Japan. Taking texture and chemistry into account, the biotite included in the anhedral garnet would be of a residual phase at melting of the pelitic gneiss by dehydration melting. The reaction texture producing granitic melt would therefore be preserved in the pelitic gneiss as well as the granite in Kontum Massif, Vietnam. In the Hidaka metamorphic belt, whole-rock geochemical studies combined with metamorphic analyses indicate that the xenoliths in the diorite complex are regarded as restites after releasing granitic melt.Sm-Nd internal isochron ages involving retrograde garnet determined from three ultrahigh-temperature (UHT) gneisses taken from Tonagh Island, the western part of the Napier Complex, East Antarctica gave 1870 ± 82 Ma, 1897 ± 50 Ma and 1557 ± 35 Ma. It is stressed that the assembly of East Gondwana including the Napier Complex, the Rayner Complex, and the Eastern Ghats Belt, if existed, should be before ca 1600 Ma, and may be traced back to ca 2000 Ma of the supercontinent "Columbia" era.
一种可以接受的花岗岩浆形成模式是地壳物质的部分熔融。利用模型和自然系统进行的实验研究揭示了地壳物质在下到中地壳条件下的熔融反应。变质岩中的熔融反应以前是在高级变质地体中报道的,而对火成岩中的熔融反应知之甚少。由于花岗岩套具有较高的岩浆粘度,因此有可能在花岗岩套中保存有关熔融反应的任何信息。我们在侵入越南Kontom地块麻粒岩相变质岩的花岗岩套中发现了产生花岗岩熔融的反应结构,并在日本东高变质带闪长岩杂岩中发现了变质包体。从结构和化学角度考虑,无面体石榴石中的黑云母在泥质片麻岩经脱水熔融熔融时为残留相。因此,产生花岗岩熔体的反应结构将被保存在泥质片麻岩和越南Kontom Massif的花岗岩中。在东达卡变质带中,全岩地球化学研究结合变质分析表明,闪长杂岩中的包体为花岗岩熔体释放后的残留物,东南极纳皮尔杂岩西段托纳岛三个超高温片麻岩的Sm-ND等时线年龄分别为1870±82 Ma、1897±50 Ma和1557±35 Ma。东冈瓦那包括纳皮尔杂岩、雷纳杂岩和东高止带的集合体,如果存在的话,应该在1600 Ma以前,并可能追溯到2000 Ma左右的超大陆“哥伦比亚”时代。

项目成果

期刊论文数量(43)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Pan-African alkali granitoids from Sor Rondane Mountains, East Antarctica.
产自南极洲东部索龙达山脉的泛非碱性花岗岩。
  • DOI:
  • 发表时间:
    2003
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Li;Z.;Tainosho;Y;Kimura;J.;Shiraishi;K.;Owada;M.;others
  • 通讯作者:
    others
Resetting and closing condition of Rb-Sr whole-rock isochron system: some samples of metamorphic and granitic rocks from Gondwana super-continent and Japan Arc.
铷锶全岩等时线系统的复位和闭合条件:冈瓦纳超大陆和日本岛弧变质岩和花岗岩的部分样品.
  • DOI:
  • 发表时间:
    2003
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Kagami;H.;Shimura;T.;Yuhara;M.;Owada;M.;Osanai;Y.;Shiraishi;K.
  • 通讯作者:
    K.
Permo-Triassic ultrahigh-temperature metamorphism in Kontum Massif, central Vietnam
越南中部昆嵩地块二叠纪-三叠纪超高温变质作用
Permo-Triassic ultrahigh-temperature metamorphism in the Kontum massif, central Vietnam
  • DOI:
    10.2465/jmps.99.225
  • 发表时间:
    2004-08
  • 期刊:
  • 影响因子:
    0.7
  • 作者:
    Y. Osanai;N. Nakano;M. Owada;T. N. Nam;T. Toyoshima;T. Tsunogae;Pham Binh
  • 通讯作者:
    Y. Osanai;N. Nakano;M. Owada;T. N. Nam;T. Toyoshima;T. Tsunogae;Pham Binh
Geology of eastern Muhlig-Hofmannfjella and Filchneifjella in Dronning Maud Land, East Antarctica : A preliminary report on a Japan-Norwey-Germany Joint Geological Investigation.
南极洲东部 Dronning Maud 地 Muhlig-Hofmannfjella 和 Filchneifjella 东部的地质:日本、挪威、德国联合地质调查的初步报告。
  • DOI:
  • 发表时间:
    2003
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Owada;M.;Baba;S.;Laufer;A.;others
  • 通讯作者:
    others
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OWADA Masaaki其他文献

Crustal differentiation due to partial melting of granitic rocks in an active continental margin, the Ryoke Belt, Southwest Japan
日本西南部 Ryoke 带活动大陆边缘花岗岩部分熔融导致的地壳分异
  • DOI:
    10.1016/j.lithos.2015.04.021
  • 发表时间:
    2015
  • 期刊:
  • 影响因子:
    3.5
  • 作者:
    AKASAKI Eri;OWADA Masaaki;KAMEI Atsushi
  • 通讯作者:
    KAMEI Atsushi
Assimilation and fractional crystallization of Sanukitic high–Mg andesite–derived magmas, Kyushu Island, southwest Japan: An example of the Cretaceous Shaku–dake diorite body
日本西南部九州岛赞岐高镁安山岩岩浆的同化和分异结晶:白垩纪尺岳闪长岩体的一个例子
Secular geochemical variations of the early Paleozoic granitic rocks in western part of the Sør Rondane Mountains, East Antarctica
南海西部早古生代花岗岩的长期地球化学变化
  • DOI:
  • 发表时间:
    2015
  • 期刊:
  • 影响因子:
    0
  • 作者:
    YUHARA Masaki;KAMEI Atsushi;KAWANO Yoshinobu;OWADA Masaaki;SHIMURA Toshiaki and TSUKADA Kazuhiro
  • 通讯作者:
    SHIMURA Toshiaki and TSUKADA Kazuhiro

OWADA Masaaki的其他文献

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{{ truncateString('OWADA Masaaki', 18)}}的其他基金

Evolution of continental crust and upper mantle during the formation of Gondwana supercontinent: deduced from magma processes
冈瓦纳超大陆形成过程中大陆地壳和上地幔的演化:由岩浆过程推断
  • 批准号:
    23540559
  • 财政年份:
    2011
  • 资助金额:
    $ 1.98万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Magma processes in eastern Asia mobile belts during the Late Pareozoic to the Early Mesozoic, with special reference to Vietnam, China and the Hida belt
晚古生代至早中生代东亚移动带的岩浆过程,特别是越南、中国和飞騨带
  • 批准号:
    18540454
  • 财政年份:
    2006
  • 资助金额:
    $ 1.98万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)

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