东昆仑祁漫塔格地区库德尔特金矿区花岗闪长岩的时代、成因及其构造意义
张勇,张爱奎,何书跃,刘智刚,刘永乐,张鹏,孙非非

Age,Petrogenesis and Tectonic Significance of Granodiorite in Kudeerte Gold Deposit,Qimantage Area,East Kunlun
Yong ZHANG,Aikui ZHANG,Shuyue HE,Zhigang LIU,Yongle LIU,Peng ZHANG,Feifei SUN
表2 库德尔特金矿床花岗闪长岩锆石LA-ICP-MS U-Pb同位素分析结果
Table 2 LA-ICP-MS U-Pb isotopic analysis results of zircon from the granodiorite in Kudeerte gold deposit
测点元素含量/(×10-6Th/U同位素比值表面年龄/Ma
UThPb207Pb/206Pb1σ207Pb/235U1σ206Pb/238U1σ207Pb/206Pb1σ207Pb/235U1σ206Pb/238U1σ
1572378290.660.052100.001000.28170.00560.039210.000302904425242482
2469289220.620.051160.001130.26950.00570.038430.000482485124252433
3507326220.640.051810.001630.26960.00740.038170.000722777224262414
4505345240.680.051360.000770.26860.00440.037930.000362573424232402
5679351290.520.052040.001520.27320.00770.038480.000722876724562434
6664531290.800.051180.001890.26720.00830.038160.000552498524072413
7679473300.700.052500.001740.27150.00890.038030.000843077524472415
8669416310.620.051100.000890.26830.00460.038170.000352454024142412
9801334600.420.054470.000510.49910.00670.066400.000693912141154144
10564315240.560.051170.001340.26950.00730.038270.000642486024262424
11632405280.640.053130.000890.28570.00650.039050.000653343825552474
12831610370.730.050880.000750.26930.00520.038360.000532363424242433
131 463520570.360.051500.001550.27150.00690.038430.000922636924452436
14652352270.540.051030.001300.26850.00630.038360.000872425924252435
15565304240.540.051520.001090.26940.00630.038170.000812644924252415
16879572370.650.051270.001380.27030.00570.038490.000882536224352435
17917754420.820.051410.001150.28140.00630.039940.000942595225252526
18753326310.430.051840.001720.27460.00640.038930.000942787624652466
191 549666620.430.055270.001420.29530.00480.038990.000884235726342475
20528319230.600.055670.001390.29620.00710.038970.000904395626362466
21563312240.550.051680.001230.27180.00530.038590.000872715524442445
22478231200.480.051710.001520.26960.00700.038310.000852736724262425
23370159150.430.051720.001230.27250.00550.038520.000572735524542444
24525485250.920.050780.000800.26960.00470.038520.000402313724242442
25605361280.600.050760.001020.26900.00560.038310.000272304724242422
26569337240.590.051860.001430.26930.00710.037920.000852796324262405
27730396300.540.054900.001370.28540.00690.037960.000804085625552405
28560335240.600.051290.001050.27780.00830.039280.000812544724972485
29559268250.480.051090.001340.27420.00740.038790.000662456024662454
30686600310.870.052070.001520.27140.00950.038030.000802896724482415