样号

浓度(ppm)

同位素比值

年龄(Ma)

Th232

U238

Th/U

²⁰⁷Pb/²⁰⁶Pb

²⁰⁷Pb/²³⁵U

²⁰⁶Pb/²³⁸U

²⁰⁷Pb/²⁰⁶Pb

²⁰⁷Pb/²³⁵U

²⁰⁶Pb/²³⁸U

比值

1σ

比值

1σ

比值

1σ

年龄

1σ

年龄

1σ

年龄

1σ

ZD-12-01

47.48

381.27

0.125

0.0699

0.00609

0.30739

0.0247

0.03188

0.0008

925.4

169.38

272.2

19.18

202.3

5

ZD-12-02

68.49

105.07

0.652

0.07166

0.00549

0.39288

0.02735

0.03974

0.00091

976.4

148.84

336.5

19.94

251.2

5.65

ZD-12-03

465.01

3537.76

0.131

0.05682

0.00203

0.05059

0.00113

0.00645

0.00009

484

77.53

50.1

1.1

41.5

0.58

ZD-12-04

116.5

152.33

0.765

0.06148

0.00254

0.64752

0.01964

0.07635

0.00116

656.1

86.07

507

12.1

474.3

6.95

ZD-12-05

92.54

232.13

0.399

0.07253

0.00402

0.38272

0.01797

0.03825

0.0007

1000.9

108.65

329

13.2

242

4.34

ZD-12-06

163.16

145.6

1.121

0.07377

0.00666

0.99279

0.08344

0.09756

0.00275

1035.2

172.3

700.1

42.52

600.1

16.14

ZD-12-07

286.78

337.37

0.850

0.06317

0.00223

0.58292

0.01297

0.06689

0.00095

714.1

73.23

466.3

8.32

417.4

5.76

ZD-12-08

119.19

189.69

0.628

0.07463

0.00372

0.3854

0.0157

0.03743

0.00065

1058.2

97.52

331

11.51

236.9

4.01

ZD-12-09

319.16

447.51

0.713

0.06228

0.00228

0.63042

0.01537

0.07337

0.00107

683.8

76.33

496.4

9.57

456.4

6.41

ZD-12-10

114.81

153.84

0.746

0.06035

0.00242

0.76055

0.02224

0.09135

0.00138

616.1

84.26

574.3

12.82

563.5

8.18

ZD-12-11

520.03

449.82

1.156

0.07341

0.00284

0.47925

0.01307

0.04732

0.00071

1025.2

76.39

397.6

8.97

298.1

4.39

ZD-12-12

521.71

375.65

1.389

0.09501

0.00492

0.26643

0.01138

0.02033

0.00037

1528.3

94.47

239.8

9.12

129.7

2.37

ZD-12-13

159.58

217.21

0.735

0.0608

0.00332

0.73839

0.03454

0.08803

0.00158

632.3

113.29

561.5

20.17

543.9

9.39

ZD-12-14

40.54

48.91

0.829

0.06019

0.00602

0.77887

0.07382

0.0938

0.0026

610.4

202.73

584.8

42.14

578

15.3

ZD-12-15

340.19

590.52

0.576

0.06742

0.00285

0.44171

0.01426

0.04749

0.00075

850.8

85.51

371.5

10.05

299.1

4.62

ZD-12-16

188.03

454.31

0.414

0.06386

0.00222

0.56951

0.01278

0.06465

0.00093

736.9

72.04

457.7

8.26

403.9

5.65

ZD-12-17

237.55

248.32

0.957

0.06097

0.00213

0.69205

0.01571

0.08229

0.00119

638

73.42

534

9.43

509.8

7.09

ZD-12-18

106.75

183.37

0.582

0.06061

0.00331

0.74944

0.03514

0.08964

0.00164

625.5

113.39

567.9

20.4

553.4

9.71

ZD-12-19

70.09

162.8

0.431

0.06024

0.00248

0.76536

0.02393

0.09212

0.00144

612.1

86.47

577.1

13.76

568.1

8.5

ZD-12-20

228.22

254.02

0.898

0.06327

0.00542

0.59835

0.04766

0.06857

0.00175

717.4

172.08

476.2

30.28

427.5

10.59

ZD-12-21

393.22

381.12

1.032

0.06176

0.003

0.64264

0.02579

0.07545

0.00129

665.7

100.61

503.9

15.94

468.9

7.76

ZD-12-22

44.64

56.86

0.785

0.05983

0.00475

0.79883

0.05883

0.09681

0.00229

597.6

163.24

596.2

33.21

595.7

13.44

ZD-12-23

140.59

342.74

0.410

0.08278

0.02753

0.21509

0.06965

0.01884

0.00144

1264.1

540.49

197.8

58.2

120.3

9.1

ZD-12-24

216.6

234.75

0.923

0.05948

0.00345

0.78986

0.04031

0.0963

0.00186

584.7

121.29

591.1

22.86

592.7

10.93

ZD-12-25

288.07

1183.11

0.243

0.10596

0.00331

0.22452

0.00396

0.01537

0.00022

1731

56.21

205.7

3.28

98.3

1.39

ZD-12-26

41.29

63.47

0.651

0.05942

0.00371

0.80927

0.04529

0.09879

0.00198

582.4

130.11

602

25.42

607.3

11.62

ZD-12-27

116.58

237.82

0.490

0.07494

0.00302

0.37562

0.01145

0.03636

0.00058

1067

79.01

323.8

8.45

230.2

3.59