Table 4 OSL results (1 σ) presented as a function of the stratigraphic order.

From: Multi-method dating reveals 200 ka of Middle Palaeolithic occupation at Maras rock shelter, Rhône Valley, France

Sample #

Layer/

Level

Square

n

De (Gy)

OD (%)

Dose rate (µGy∙a-1)

Age (ka)

Beta

Gamma

Cosmic

Total

AM-01

4.2–5.1

K5/K6

21

127 ± 4

11 ± 2

581 ± 16

454 ± 7

70 ± 10

1105 ± 20

115 ± 13

AM-02

5u

K8/L8

18

162 ± 7

16 ± 3

920 ± 27

493 ± 71

63 ± 10

1476 ± 77

110 ± 16

AM-03

5u

K9/L9

18

160 ± 8

18 ± 4

876 ± 21

491 ± 71

57 ± 10

1424 ± 75

112 ± 16

AM-06

5.1

L5/L6

45

211 ± 8

25 ± 3

1146 ± 33

809 ± 90

63 ± 10

2018 ± 97

105 ± 13

AM-07

5.2

N9/N10

46

180 ± 6

21 ± 2

849 ± 21

518 ± 72

52 ± 10

1419 ± 76

127 ± 17

AM-04

6

K9/L9

18

171 ± 12

27 ± 5

392 ± 10

323 ± 61

52 ± 10

767 ± 64

223 ± 33

AM-05

6

K9/L9

22

199 ± 7

15 ± 3

440 ± 10

314 ± 60

52 ± 10

806 ± 62

247 ± 34

  1. The equivalent doses (De) were calculated using the central age model (CAM36). 5u = 5 upper; n = number of accepted aliquots, OD = overdispersion.