Hf同位素组成及其地质意义.PDF

45 4 Vol.45, No.4, 374~386 2016 7 GEOCHIMICA July, 2016 U-Pb Hf 1,2 1* 1,2 1,2 3 , , , , , 4 1,2 1,2 1,2 , , , (1. , 510640; 2. , 100049; 3. , 510060; 4. , 515041) : , , LA-ICP-MS U-Pb Hf , U-Pb (145.0±0.9) Ma, ; Hf εHf(t)–7.95~ –2.74, (tDM2) 1371~1704 Ma, , , , : U-Pb ; Hf ; ; ; : P597.3; P588.121 : A : 0379-1726(2016)04-0374-13 Zircon U-Pb geochronology and Lu-Hf isotopic composition of quartz porphyry in the Changpu Sn polymetallic deposit, Guangdong Province, SE China and their geological significance 1,2 1* 1,2 1,2 3 4 QIU Zeng-wang , WANG He , YAN Qing-he , LI Sha-sha , WANG Li-ming , BU An , MU Sheng-lu1,2, LI Pei1,2 and WEI Xiao-peng 1,2 1. Key Laboratory of Mineralogy and Metallogeny , Guangzhou Institute of Geochemisty, Chinese Academy of Sciences, Guangzhou 510640, China ;