Skip to main content

Table 2 Trace element and Pb isotopic composition of the tools used to collect and quench molten lava since 1998

From: Effusive crises at Piton de la Fournaise 2014–2015: a review of a multi-national response model

 

Basalts

Pipe

Pipe/Basalt

Bucket

Bucket/Basalt

 

(ppm)

(ppm)

(ratio)

(ppm)

(ratio)

Sc

33

1.4

0

2.2

0

Ti

16,130

28.9

0

7.7

0

V

300

5.9

0

842

3

Cr

225

149

1

186,609

830

Mn

1400

2582

2

13,888

10

Co

45

14.4

0

1718

38

Ni

92

74.1

1

89,063

967

Cu

104

72.3

1

1226

12

Zn

110

1527

14

0.0

0

Ga

22

9.0

0

31

1

As

0.8

31.6

38

71

86

Sr

353

0.6

0

3.9

0

Zr

193

0.2

0

0.2

0

Nb

22

0.3

0

10.2

0

Mo

1

13.8

17

1006

1258

Cd

0.250

0.0

0

0.77

3

In

0.085

0.0

0

0

5

Sn

1.8

7.7

4

136

74

Sb

0.1

3,2

48

10.1

154

Ba

136

1.9

0

0.2

0

W

0.3

2.4

8

169

575

Pb

1.7

3.6

2

0.4

0

206Pb/204Pb

18.87–18.94

16.937

 

18.436

 

207Pb/204Pb

15.585–15.602

15.401

 

15.630

 

208Pb/204Pb

38.96–39.04

36.869

 

38.444

 
  1. Pb isotopic compositions are relative to NBS 981 values: 206Pb/204Pb = 16.9356, 207Pb/204Pb = 15.4891, 208Pb/204Pb = 36.7006