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| PETROCHEMITRY AND ZIRCON U-Pb AGE OF GRANODIORITE-TONALITE IN THE A''''NYEMAQEN OPHIOLITIC BELT AND ITS TECTONIC SIGNIFICANCE | |
| 摘 要： | l,IlltroductionTheA'nyemaqenophioliticbeltissitUatedonthesouthemmarginoftheeastsectorinEastKuulunMts.,QinghaiProvince,anditjoinstheQinling-Qilian-KunlunsutUresystem(AnewterminologyposedbythispaPermeansaproductionofclosedQingling-Qilian-KunlunMulti-islandOcean,whichincludedmanysutUrezonesandndddleblocks.)onthenorthandthePaleotethyansuturesystem(Bianetal.,1992)onthesouth'ItsagewasregardedasLatePermian-MiddleTriassic(Jiangetal.,1992;Xuetal.,1996).NoCaledoniangranitoidinthebelthasbeenre… |
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