测点

Th

U

Th/U

207Pb/206Pb

207Pb/235U

206Pb/238U

208Pb/232Th

207Pb/235U

206Pb/238U

谐和度

(×10−6)

Ratio

1sigma

Ratio

1sigma

Ratio

1sigma

Ratio

1sigma

Age (Ma)

1sigmaaaa

Age (Ma)

1sigmaaama

1

468.2

383.8

1.22

0.0578

0.0021

0.5565

0.0207

0.0698

0.0016

0.0134

0.0004

449.3

13.5

435.0

9.9

97

2

365.3

288.3

1.27

0.0560

0.0042

0.5376

0.0395

0.0696

0.0019

0.0098

0.0004

436.9

26.1

433.6

11.7

99

3*

432.0

428.0

1.01

0.0616

0.0028

0.6294

0.0287

0.0741

0.0018

0.0126

0.0007

495.7

17.9

460.9

10.9

93

4

168.2

511.9

0.33

0.0539

0.0043

0.5175

0.0409

0.0696

0.0020

0.0135

0.0005

423.5

27.4

433.5

12.1

102

5

275.3

225.4

1.22

0.0531

0.0049

0.5075

0.0464

0.0693

0.0021

0.0139

0.0006

416.7

31.2

432.0

12.6

104

6

382.1

394.7

0.97

0.0571

0.0047

0.5468

0.0440

0.0694

0.0020

0.0130

0.0006

442.9

28.9

432.6

12.3

98

7

201.4

112.3

1.79

0.0548

0.0033

0.5264

0.0317

0.0696

0.0018

0.0112

0.0005

429.4

21.1

433.9

10.9

101

8

466.2

366.4

1.27

0.0566

0.0025

0.5400

0.0235

0.0692

0.0017

0.0131

0.0006

438.4

15.5

431.1

10.0

98

9

450.2

284.4

1.58

0.0567

0.0029

0.5425

0.0276

0.0693

0.0017

0.0127

0.0007

440.1

18.2

432.1

10.4

98

10

264.3

157.4

1.68

0.0565

0.0028

0.5419

0.0272

0.0695

0.0017

0.0115

0.0007

439.7

17.9

433.2

10.4

99

11

38.9

112.2

0.35

0.0553

0.0028

0.5286

0.0270

0.0693

0.0017

0.0106

0.0007

430.9

17.9

432.1

10.4

100

12*

338.0

299.3

1.13

0.0595

0.0119

0.5678

0.1105

0.0692

0.0038

0.0109

0.0008

456.6

71.5

431.0

22.8

94

13

270.4

242.1

1.12

0.0557

0.0035

0.5316

0.0334

0.0692

0.0018

0.0044

0.0004

432.9

22.1

431.2

11.1

100

14

435.8

363.7

1.20

0.0589

0.0031

0.5645

0.0296

0.0695

0.0018

0.0111

0.0008

454.4

19.2

433.0

10.6

95

15

379.5

379.6

1.00

0.0566

0.0024

0.5420

0.0233

0.0694

0.0017

0.0114

0.0008

439.8

15.3

432.6

10.0

98

16

256.9

316.2

0.81

0.0613

0.0057

0.5876

0.0534

0.0696

0.0022

0.0129

0.0009

469.3

34.2

433.5

13.4

92

17

408.7

350.4

1.17

0.0551

0.0051

0.5266

0.0476

0.0693

0.0021

0.0123

0.0008

429.5

31.7

431.6

12.6

100

18

487.3

396.0

1.23

0.0549

0.0033

0.5246

0.0314

0.0693

0.0018

0.0302

0.0050

428.2

20.9

431.7

10.9

101

19*

178.6

192.1

0.93

0.0700

0.0056

0.6695

0.0520

0.0694

0.0021

0.0126

0.0009

520.4

31.6

432.3

12.6

83

20

527.3

290.4

1.82

0.0557

0.0016

0.5329

0.0158

0.0694

0.0016

0.0127

0.0009

433.7

10.5

432.7

9.5

100

21

329.8

292.7

1.13

0.0580

0.0047

0.5558

0.0447

0.0695

0.0020

0.0133

0.0010

448.8

29.2

433.0

12.1

96

22*

280.6

277.1

1.01

0.0562

0.1018

0.5930

1.0556

0.0765

0.0287

0.0132

0.0011

472.8

672.8

475.2

171.7

101

23

273.4

229.8

1.19

0.0569

0.0038

0.5469

0.0359

0.0697

0.0019

0.0139

0.0012

442.9

23.6

434.1

11.3

98

24

285.4

243.7

1.17

0.0555

0.0031

0.5319

0.0297

0.0696

0.0018

0.0147

0.0013

433.1

19.7

433.6

10.7

100