| DIFFERENT VARIETIES OF MIOCENE LEUCOGRANITE IN THE ARUN VALLEY—EVEREST—MAKALU AREA:FIELD RELATIONS, PETROLOGY AND ISOTOPE GEOCHEMISTRY |
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| 引用本文： | D.Visona ,I.M.Villa ,P.Pertusati ,B.Lombardo [WT,”BX].DIFFERENT VARIETIES OF MIOCENE LEUCOGRANITE IN THE ARUN VALLEY—EVEREST—MAKALU AREA:FIELD RELATIONS, PETROLOGY AND ISOTOPE GEOCHEMISTRY[J].地学前缘,2000(Z1). |
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| 作者姓名： | D.Visona I.M.Villa P.Pertusati B.Lombardo [WT ”BX] |
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| 作者单位： | 1 Dip. Mineralogiae Petrologia，corso Garibaldi 37，I\|35137 Padova，Italy;2 Universitt Bern，Isotopengeologie，Erlachstrasse 9a，CH\|3012 Bern，Switzer and;3 Dip. Scienze della Te |
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| 摘 要： | DIFFERENT VARIETIES OF MIOCENE LEUCOGRANITE IN THE ARUN VALLEY—EVEREST—MAKALU AREA:FIELD RELATIONS, PETROLOGY AND ISOTOPE GEOCHEMISTRY1 AritaK .OriginoftheinvertedmetamorphismoftheLowerHimalayas,CentralNepalJ] .Tectonophysics,1983,93:4 3～6 0 .
BarbarinB .Areviewoftherelationshipsbetweengranitoidtypes,theiroriginsandtheirgeodynamicenvironmentsJ] .Lithos,1999,4 6 :6 0 5～ 6 2 6 .
3 BurchfielBC ,ChenZ,HodgesKV ,etal.TheSou…
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Different Varieties of Miocene Leucogranite in the Arun Valley-Everest-Makalu Area: Field Relations, Petrology and Isotope Geochemistry |
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| D.Visona,et al.Different Varieties of Miocene Leucogranite in the Arun Valley-Everest-Makalu Area: Field Relations, Petrology and Isotope Geochemistry[J].Earth Science Frontiers,2000(Z1). |
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| Authors: | DVisona |
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| Abstract: | Large plutons and dyke networks of Miocene leucogranite, magnificently exposed in Makalu, Nuptse and Cho Oyu, occur in the Cho—Oyu—Everest—Makalu Range at the top of the Higher Himalayan Crystalline (HHC) nappe and along the South Tibetan Detachment (STD). In the Kharta\|Dzakar Chu area, in the western limb of the Arun transverse anticline, discordant leucogranite dykes were found in the Precambrian—Cambrian (?) sediments of the Tibetan Series just above the STD (North Col Formation), throughout the HHC nappe, in the thrust sheets of the MCT zone (Main Central Thrust II sensu Arita, 1983) and in the underlying granite gneisses of the Lesser Himalayan Crystallines (LHC) which crop out in the Ama Drime —Nyonno Ri Range. While Miocene leucogranites in the HHC and in the Tibetan Series are known from end to end of the Himalaya, Miocene leucogranites in the MCT zone and in the Lesser Himalaya have not been frequently described. |
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| Keywords: | Miocene leucogranite mineralogy Nd isotope |
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