Geology Reference
In-Depth Information
Table 4.1.4
Comparison of known ash compositions and unknown ash from the Tschudi burn, Chan Chan, northern
Peru. SiO
2
,Al
2
O
3
,Fe
2
O
3
, MgO, CaO, Na
2
O, K
2
O, TiO
2
,P
2
O
5
,SO
3
, Cl, S, ash, and moisture reported in
weight percent, all others in parts per million. Analyses are
“
as determined, ash basis
”
; Energy Team, US
Geological Survey, Reston, VA and Denver, CO; ultimate
-
proximate data, BTU/lb, forms of sulfur, FSI, ash
fusion temperature, and sample locations are available in Brooks et al. (2006). Plant data from Kabata-
Pendias and Pendias (1992).
Major oxides and trace elements of materials in study area
*
Material
Ash
Ash
Ash
Ash
Algorrobo wood Charcoal
Plant data
Peru coal
Tschudi burn Tschudi burn Tschudi burn Chao valley
Trujillo market
Field no. Average
BP0701
BP0801
BP0901
BP0101
BP0601
Lab no.
(Table 3)
E-199457
E-199458
E-199459
E-199743
E-199456
SiO
2
51.3
54.7
51.8
52.3
3.1
5.8
0.3-1.2
Al
2
O
3
28.2
12.5
11.9
11.8
0.82
2
NA
Fe
2
O
3
4.6
5.4
5.2
4.8
0.97
4.2
NA
MgO
2
3
2.8
2.1
1.6
1.3
NA
CaO
1.8
4.5
4.2
3.8
53
41
NA
Na
2
O
1.41
6.7
6.7
5.8
1.1
0.44
NA
K
2
O
2.7
2.2
2.1
1.8
1.9
7.5
NA
TiO
2
1.59
0.68
0.67
0.6
0.08
0.09
NA
P
2
O
5
0.5
0.69
0.65
0.53
0.31
2.3
NA
SO
3
2.45
1.5
1.2
0.36
2.1
4.8
NA
Ash
21.3
98.1
100
99.5
1.1
4.93
NA
Moisture
2.4
0.928
0.945
0.417
6.04
1.93
NA
Cl
0.30
0.051
0.075
<<
0.015
NA
0.074
NA
S
0.77
0.606
0.476
0.163
NA
0.061
NA
Sc
40
13.3
13.4
13.7
<<
4
<<
4
NA
Cr
87.9
33.7
35.5
33.4
31.8
42
NA
Co
44.2
15.2
20.4
15.4
4.1
5.7
NA
Zn
875
147
129
98.6
404
316
NA
As
263
20
20.5
15
5
9.7
NA
Rb
92.1
74.6
76.6
62.6
11.4
38.9
NA
Sr
679
377
402
411
1960
3080
NA
Zr
416
206
212
182
19.9
18.5
10-20
Mo
7.59
1.6
2
1.3
25.6
7.6
NA
Sb
7.68
2.4
2.2
2
18.4
0.43
NA
Cs
22.5
5.1
4.5
2.7
0.38
0.96
NA
Ag
2
2
2
2
2
2
NA
<<
<<
<<
<<
<<
Be
6.28
2
2
1.8
1
1.1
NA
<<
Bi
1.51
0.28
0.16
0.1
0.62
0.13
NA
<<
Ga
42.2
11.6
11.9
11.2
1.3
2
NA
Sn
22.7
3
3
3
38
6.7
NA
<<
<<
<<
Au
10
10
10
10
10
10
NA
<<
<<
<<
<<
<<
<<
Th
25.1
12
13.1
12.2
8
8
NA
<<
<<
U
5.86
3.7
3.2
2.9
0.44
0.48
NA
Mn
368
758
818
734
366
244
NA
Hg
0.23
0.03
0.02
0.02
0.02
0.03
NA
<<
<<
Cu
219
26.6
38.7
15.2
101
93.5
NA
Li
143
38.6
36
40.2
112
15.7
NA
Ni
68
<<
4
<<
4
<<
4
7.5
140
NA
V
354
128
131
116
3.3
12
NA
