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Table 3 Averages of point analyses on copper prills and copper masses within 15 slags samples, by SEM–EDS

From: A new piece of the puzzle: slag and ore analysis to reconstruct the prehispanic smelting technology at the Atacama Desert, Chile

Slag id (#Cu prills)

O

S

Fe

Cu

As

Ag

Refs.

5 (1)

100.0

 

6 (3)

100.0

 

15 (1)

100.0

 

20 (1)

100.0

 

19 (5)

0.6

99.7

Garrido and Plaza [6]

17 (1)

0.3

99.7

Garrido and Plaza [6]

8 (3)

0.3

1.9

99.0

Garrido and Plaza [6]

11 (2)

-

1.5

98.5

 

10 (3)

3.6

98.2

Garrido and Plaza [6]

14 (1)

98.0

 

13 (5)

1.3

1.8

97.7

Garrido and Plaza [6]

7 (13)

0.8

2.1

97.0

Garrido and Plaza [6]

3 (3)

3.5

96.2

0.4

Garrido and Plaza [6]

2 (4)

2.8

0.7

89.6

6.8

 

16 (5)

1.0

89.3

9.7

 
  1. Values are normalised to a 100, expressed in wt% and organised by copper content. The numbers in parentheses show the number of prills analysed, from which the averages were calculated. Legend: (–) Not detected