Distribution, Microfabric, and Geochemical Characteristics of Siliceous Rocks in Central Orogenic Belt, China: Implications for a Hydrothermal Sedimentation Model
Table 1
Major element analysis data (%) for siliceous rocks from Bafangshan-Erlihe area.
NO.
Description of samples
SiO2
TiO2
Al2O3
Fe2O3
FeO
MnO
MgO
CaO
Na2O
K2O
P2O5
LOI
Total
FE001
Siliceous rock without mineralization
71.08
0.00
0.54
0.19
1.08
0.08
0.88
13.84
0.01
0.07
0.06
12.13
99.96
FE002
Siliceous rock without mineralization
89.16
0.06
2.26
0.10
0.96
0.06
0.77
1.79
0.03
0.57
0.02
3.10
98.87
FE003
Siliceous rock without mineralization
81.13
0.01
0.57
0.23
2.38
0.10
1.47
6.25
0.01
0.11
0.03
7.49
99.78
FE004
Siliceous rock without mineralization
75.57
0.07
1.96
0.28
3.88
0.12
1.89
5.86
0.03
0.57
0.03
8.85
99.11
FE005
Siliceous rock without mineralization
75.64
0.00
0.19
0.49
4.07
0.13
2.25
6.86
0.01
0.05
0.00
9.75
99.43
FE006
Siliceous rock without mineralization
74.56
0.22
5.55
0.51
2.40
0.11
1.35
6.06
0.07
1.61
0.06
7.48
99.97
FE007
Siliceous rock without mineralization
83.08
0.06
1.73
0.58
2.64
0.08
1.17
4.09
0.02
0.45
0.02
5.76
99.68
FE008
Siliceous rock without mineralization
95.30
0.05
0.98
0.06
1.18
0.12
0.28
1.17
0.15
0.10
0.01
0.59
99.97
FB001
Siliceous rock without mineralization
82.40
0.07
2.88
0.18
2.18
0.10
2.88
2.56
0.04
0.85
0.05
4.64
98.83
FB002
Siliceous rock without mineralization
81.27
0.09
4.00
3.86
1.78
0.12
1.06
1.64
0.07
1.09
0.09
5.26
100.33
FB003
Siliceous rock without mineralization
86.88
0.03
1.23
0.17
2.33
0.12
1.18
3.28
0.02
0.32
0.06
4.96
100.58
FB004
Siliceous rock without mineralization
88.84
0.08
2.12
0.65
0.48
0.02
0.50
3.56
0.08
0.66
0.05
3.61
100.65
FB005
Siliceous rock without mineralization
81.92
0.13
3.87
2.46
1.85
0.05
1.33
3.46
0.07
1.08
0.04
4.54
100.80
FB006
Siliceous rock without mineralization
92.04
0.04
2.15
0.35
1.66
0.08
1.13
0.72
0.06
0.68
0.06
1.76
100.73
Aver.
—
84.10
0.07
2.18
0.69
1.83
0.09
1.14
4.01
0.05
0.59
0.04
5.15
99.94
Samples of FB001 to FB006 are from literature [1].
