Table 1 U-series dating of TPL-73 and TPL-74

From: Early presence of Homo sapiens in Southeast Asia by 86–68 kyr at Tam Pà Ling, Northern Laos

Sample/raster

U (ppm)

U/Th

234U/238U

2 s

230Th/238U

2 s

Initial 234U/238U

2 s

Age

2 s

TPL-73

TPL-73-R1-enamel

−0.1

239

1.2600

0.2000

1.3400

0.5200

–

–

–

–

TPL-73-R2-enamel

0.1

−787

1.5170

0.0560

0.6830

0.0820

1.5611

0.3306

–

–

TPL-73-R3-dentine

43.3

675 × 103

1.4643

0.0037

0.6698

0.0089

1.4844

0.0076

64.2

1.1

TPL-73-R4-dentine

47.2

220 × 104

1.4668

0.0042

0.6810

0.0110

1.4865

0.0103

65.9

1.4

TPL-73-R5-dentine

46.9

75500

1.4650

0.0048

0.6720

0.0092

1.4851

0.0079

64.3

1.2

TPL-73-R6-dentine

53.1

100 × 103

1.4655

0.0047

0.6560

0.0110

1.4813

0.0084

62.0

1.4

TPL-73-R7-dentine

52.0

284

1.4624

0.0047

0.6540

0.0120

1.4764

0.0077

–

–

TPL-73-R8-dentine

0.68

1

0.9400

0.0650

1.0540

0.0620

–

–

–

–

TPL-74

TPL-74-R1-dentine

39.7

12379

1.6572

0.0075

0.7660

0.0150

1.7061

0.0055

64.6

1.7

TPL-74-R2-dentine

38.7

28934

1.6528

0.0050

0.7947

0.0099

1.6994

0.0045

68.0

1.2

TPL-74-R3-dentine

38.4

1014

1.6450

0.0120

0.7830

0.0120

1.696

0.0064

67.1

1.5

TPL-74-R4-dentine

38.7

51067

1.6450

0.0035

0.7944

0.0073

1.6914

0.004

68.4

0.9

TPL-74-R5-dentine

38.8

85238

1.6467

0.0042

0.7840

0.0120

1.6909

0.0046

67.2

1.4

TPL-74-R6-dentine

38.5

21813

1.6418

0.0049

0.7902

0.0096

1.6915

0.0044

68.1

1.1

TPL-74-R7-enamel

0.2

110

1.5160

0.0500

0.5820

0.0810

1.5194

0.0916

–

–

TPL-74-R8-enamel

0.2

133

1.5270

0.0770

0.5570

0.0750

1.5629

0.2009

–

–

TPL-74-R9-enamel

0.1

384

1.5430

0.0570

0.6080

0.0750

–

–

–

–

TPL-74-R10-enamel

0.0

42

1.5180

0.0870

0.6100

0.1200

–

–

–

–

TPL-74-R11-enamel

0.0

–19

1.4800

0.1100

0.8200

0.1200

1.572

0.2839

–

–

MK16-coral standard

Sample/raster

U (ppm)

2 s

234U/238U

2 s

230Th/238U

2 s

 

Age

2 s

MK16_1

2.2

0.1

1.1050

0.0120

0.7340

0.0190

 

116.0

9.8

MK16_2

2.1

0.1

1.1180

0.0160

0.7660

0.0240

 

122.2

13.1

MK16_3

2.1

0.1

1.1140

0.0180

0.7740

0.0220

 

125.5

12.9

MK16_4

2.6

0.2

1.1170

0.0160

0.7640

0.0210

 

121.9

11.8

MK16_5

2.9

0.1

1.1080

0.0130

0.7530

0.0170

 

120.7

9.6

MK16_6

2.6

0.1

1.1170

0.0170

0.7800

0.0460

 

126.5

25.8

MK16_7

2.7

0.1

1.1140

0.0130

0.7500

0.0190

 

118.6

10.0

MK16_8

2.5

0.1

1.1140

0.0120

0.7560

0.0210

 

120.3

11.1

MK16_9

2.1

0.1

1.0860

0.0190

0.7290

0.0430

 

118.7

23.2

MK16_10

2.9

0.1

1.0970

0.0130

0.7490

0.0180

 

122.0

10.3

MK16_11

2.1

0.1

1.1180

0.0100

0.7620

0.0190

 

121.1

10.2

MK16_12

2.8

0.2

1.1020

0.0270

0.7640

0.0670

 

125.3

37.9

MK16-average

2.5

0.2

1.109

0.016

0.757

0.028

 

121.6

15.5

MK16-solution

2.327

0.001

1.110

0.002

0.764

0.007

 

124.0

2

Back to article page