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Table 4 XRF results of the beads classified as from European origin. The results reported in element wt % except for U

From: Unravelling the glass trade bead sequence from Magoro Hill, South Africa: separating pre-seventeenth-century Asian imports from later European counterparts

Sample

Mg

Al

Si

K

Ca

Mn

Fe

Co

Ni

Cu

As

Sr

Ag

Sn

Sb

Pb

U/ppm

Bal

Mag-eu-w1

4.75

10.57

36.03

7.01

1.83

0.11

0.22

0.00

0.11

0.00

13.92

0.00

0.01

0.00

0.00

25.46

0.00

0.00

Mag-eu-w5

1.41

3.23

49.39

4.34

5.05

0.00

0.51

0.00

0.00

0.00

0.00

0.10

0.00

0.00

3.64

0.10

0.00

32.22

Mag-eu-w7

0.00

2.21

52.01

3.52

3.52

0.00

0.60

0.00

0.00

0.00

0.00

0.10

0.00

0.00

0.50

0.10

0.00

37.42

Mag-eu-w8

0.00

2.25

45.34

1.84

3.38

0.00

0.61

0.00

0.00

0.00

0.00

0.05

0.02

0.00

2.56

5.53

0.00

38.49

Mag-eu-w10

1.61

3.93

49.19

4.13

5.44

0.00

0.50

0.00

0.00

0.00

0.00

0.03

0.00

0.00

0.30

0.10

0.00

34.78

Mag-eu-w11

3.23

2.08

33.33

7.84

1.27

0.12

0.12

0.00

0.12

0.00

7.15

0.00

0.05

0.00

0.00

29.41

0.00

15.34

Mag-eu-w12

2.54

4.87

40.04

1.22

2.32

0.11

0.22

0.00

0.00

0.00

8.96

0.00

0.03

0.11

0.77

12.28

0.00

26.55

Mag-eu-w13

4.57

3.28

25.67

1.29

5.39

0.12

0.23

0.00

0.00

0.00

9.85

0.00

0.04

0.00

0.47

24.03

0.00

25.09

Mag-eu-w14

0.40

4.13

47.43

2.82

2.72

0.00

0.20

0.00

0.00

0.00

0.10

0.00

0.00

0.00

0.00

0.00

0.00

42.20

Mag-eu-w15

0.00

8.12

57.92

11.32

0.10

0.00

0.10

0.00

0.00

0.00

0.00

0.00

0.00

0.00

0.00

0.00

0.00

22.44

Mag-eu-db21

3.62

2.41

46.43

3.51

2.85

0.55

0.55

0.11

0.05

0.11

0.88

0.00

0.04

0.00

0.11

14.16

0.00

24.70

Mag-eu-lb24

0.00

3.82

48.39

2.92

1.91

0.00

1.31

0.00

0.00

0.60

0.00

0.00

0.00

0.00

0.00

0.00

40.42

41.05

Mag-eu-lb25

0.00

3.67

40.77

1.63

1.53

0.00

0.20

0.00

0.00

1.33

0.20

0.00

0.02

0.00

1.22

7.34

0.00

42.10

Mag-eu-lb26

7.41

3.23

27.72

4.78

0.72

0.12

0.12

0.00

0.12

0.00

14.70

0.00

0.12

0.00

0.00

39.19

0.00

1.79

Mag-eu-g27

6.30

5.91

30.46

1.16

1.54

0.13

0.26

0.00

0.13

0.77

5.40

0.00

0.05

0.64

0.64

46.66

0.00

0.00

Mag-eu-g28

5.30

3.95

29.35

1.48

3.33

0.12

0.62

0.00

0.12

1.48

5.80

0.00

0.12

0.37

0.99

46.98

0.00

0.00

Mag-eu-g29*

0.00

6.31

42.57

2.24

2.44

0.00

3.05

0.00

0.00

0.92

0.00

0.00

0.00

0.41

0.00

2.95

87.20

39.10

Mag-eu-db30

0.41

1.02

49.34

12.72

6.31

0.02

0.10

0.05

0.03

0.00

0.20

0.00

0.01

0.00

0.00

0.00

0.00

29.91

Mag-eu-db31

0.50

1.21

52.96

7.54

4.32

0.10

0.20

0.10

0.10

0.10

0.40

0.00

0.01

0.00

0.00

0.10

0.00

32.36

Mag-eu-db32

0.00

3.04

50.00

7.81

4.46

0.10

0.91

0.04

0.04

0.01

0.41

0.00

0.01

0.00

0.00

0.00

0.00

33.16

  1. The bold elements were used for classification of the beads and underline elements are pigments or colorants
  2. Beads marked with * were incorrectly classified
  3. (0) Value indicates the concentration of the element was under the instrument limit of detection (LOD)