测点

Th(×10⁻⁶)

U(×10⁻⁶)

Th/U

206Pb/238U

% err

207Pb/235U

% err

207Pb/206Pb

% err

206Pb/238U Age(Ma)

±1σ

207Pb/235U Age(Ma)

±1σ

207Pb/206Pb Age(Ma)

±1σ

PL008D05

58.87

112.56

0.52301

0.01884

0.00095

0.13202

0.02801

0.05083

0.01110

120.3

6

125.9

25.13

233.1

438.53

PL008D06

23.89

59.71

0.40010

0.02092

0.00105

0.14613

0.03232

0.05065

0.01150

133.5

6.64

138.5

28.63

225.1

454.22

PL008D07

61.9

100.75

0.61439

0.01777

0.00194

0.12936

0.06643

0.05279

0.02764

113.6

12.27

123.5

59.73

319.7

887.95

PL008D08

44.77

83.9

0.53361

0.01869

0.00049

0.13365

0.01358

0.05186

0.00554

119.4

3.07

127.4

12.16

279.2

227.35

PL008D09

15.43

41.35

0.37316

0.02012

0.00179

0.13942

0.05872

0.05024

0.02158

128.4

11.34

132.5

52.33

206.1

774.73

PL008D11

25.38

59.98

0.42314

0.01964

0.00099

0.13931

0.03231

0.05144

0.01222

125.4

6.26

132.4

28.79

260.8

469.77

PL008D15

69.92

109.23

0.64012

0.01667

0.00066

0.12588

0.01966

0.05477

0.00888

106.6

4.18

120.4

17.73

402.8

327.07

PL008D16

48.37

92.61

0.52230

0.01913

0.00046

0.12877

0.01469

0.04882

0.00578

122.2

2.9

123

13.21

139

256.8

PL008D20

81.77

127.28

0.64244

0.01750

0.00070

0.13988

0.02189

0.05796

0.00942

111.9

4.44

132.9

19.5

528.1

321.52

PL008D21

18.86

50.41

0.37413

0.01740

0.00106

0.11766

0.03203

0.04904

0.01368

111.2

6.75

112.9

29.1

149.6

549.11

PL008D22

40.93

87.05

0.47019

0.01628

0.00075

0.14133

0.02495

0.06297

0.01153

104.1

4.78

134.2

22.19

707.2

347.56

PL008D23

57.79

97.23

0.59436

0.01778

0.00052

0.12208

0.01487

0.04980

0.00632

113.6

3.27

117

13.46

185.5

271

PL008D25

35.41

81.49

0.43453

0.01674

0.00052

0.17463

0.01759

0.07566

0.00812

107

3.29

163.4

15.21

1086.2

201.15

PL008D27

18.63

55.27

0.33707

0.01829

0.00137

0.12708

0.04338

0.05041

0.01759

116.8

8.7

121.5

39.08

213.7

654.71

PL008D28

41.28

76.22

0.54159

0.02092

0.00066

0.13807

0.01905

0.04786

0.00684

133.5

4.15

131.3

17

91.4

308.67

PL008D29

49.43

100.08

0.49390

0.01740

0.00055

0.14439

0.01914

0.06019

0.00829

111.2

3.48

136.9

16.98

610.4

272.63

PL008D30

136.22

158.01

0.86210

0.01788

0.00042

0.12464

0.01124

0.05056

0.00483

114.2

2.66

119.3

10.15

220.7

207.09

PL008D31

30.76

70.85

0.43416

0.01782

0.00112

0.12516

0.03427

0.05095

0.01431

113.8

7.1

119.7

30.92

238.6

544.08

PL008D32

45.63

85.92

0.53108

0.01734

0.00045

0.14947

0.01395

0.06253

0.00620

110.8

2.85

141.4

12.32

692.4

198.37

PL008D36

23.46

55.86

0.41998

0.01956

0.00082

0.12918

0.02677

0.04789

0.01015

124.9

5.17

123.4

24.07

92.7

438.16

PL008D37

29.08

77.23

0.37654

0.01689

0.00105

0.11773

0.03265

0.05054

0.01436

108

6.64

113

29.66

219.9

551.21

PL008D38

55.8

100.73

0.55396

0.01751

0.00115

0.12496

0.03608

0.05176

0.01532

111.9

7.31

119.6

32.56

274.9

565.4

PL008D39

65.04

82.5

0.78836

0.01901

0.00124

0.12928

0.03956

0.04932

0.01542

121.4

7.82

123.5

35.57

163.3

602.76

PL008D43

19.86

51.64

0.38459

0.01631

0.00129

0.10491

0.04035

0.04664

0.01829

104.3

8.21

101.3

37.08

30.6

741.55

PL008D45

16.2

39.78

0.40724

0.02029

0.00107

0.14511

0.03476

0.05186

0.01273

129.5

6.78

137.6

30.82

279.3

481.8

PL008D46

22.79

53.82

0.42345

0.01880

0.00084

0.13039

0.02709

0.05030

0.01072

120.1

5.32

124.5

24.34

208.8

430.99

PL008D47

27.96

65.67

0.42577

0.01681

0.00054

0.11676

0.01634

0.05036

0.00730

107.5

3.39

112.1

14.86

211.5

304.9

PL008D52

93.86

119.39

0.78616

0.01610

0.00068

0.11158

0.02039

0.05026

0.00947

102.9

4.3

107.4

18.63

207.1

386.72

PL008D53

66.08

107.69

0.61361

0.01742

0.00039

0.13075

0.01033

0.05441

0.00462

111.4

2.45

124.8

9.27

388.2

180.24

PL008D54

32.99

89.86

0.36713

0.01717

0.00068

0.11238

0.01909

0.04746

0.00832

109.7

4.28

108.1

17.42

72

371.5

PL008D55

39.51

77.33

0.51093

0.01914

0.00057

0.12818

0.01625

0.04856

0.00640

122.2

3.61

122.5

14.62

126.4

283.97

PL003D61

43.09

82.19

0.52427

0.01884

0.00083

0.13014

0.02465

0.05008

0.00977

120.3

5.27

124.2

22.15

198.9

399.52

PL003D65

101.88

150.29

0.67789

0.01889

0.00083

0.16906

0.02771

0.06491

0.01106

120.6

5.24

158.6

24.07

771.5

322.91

PL003D69

27.51

55.42

0.49639

0.01803

0.00066

0.24115

0.02631

0.09698

0.01131

115.2

4.17

219.4

21.52

1566.8

203.93