Geology Reference
In-Depth Information
Table 10.5: Mineralogical composition of the crepuscular crust. - continued
from previous page.
Mineral
Formula
mass, %
Dispersed Ga
Ga
1.76E-03
Dispersed Co
Co
1.73E-03
Spinel
MgAl 2 O 4
1.52E-03
Diadochic Nd
Nd
1.46E-03
Sapphirine
Mg 4 Al 6:5 Si 1:5 O 20
1.40E-03
Dispersed Sc
Sc
1.40E-03
Manganite
MnO(OH)
1.31E-03
Cristobalite
SiO 2
1.24E-03
Fluorite
CaF 2
1.12E-03
Ca 3 Fe 2+ 2 (SiO 4 ) 3
Andradite
9.98E-04
Glaucophane
Na 2 (Mg 3 Al 2 )Si 8 O 22 (OH) 2
9.49E-04
Fe 2+ Nb 2 O 6
Ferrocolumbite
8.10E-04
Na 2 Mn 4+ 4 Mn 3+ 2 O 12 3(H 2 O)
Todorokite
8.03E-04
Mg 6:75 Fe 2+ 2:25 (SiO 4 ) 4 F 1:5 (OH) 0:5 7.64E-04
Clinohumite
Pr in Monazite,
Fergusonite and
Bastnasite
Pr
7.10E-04
Thorite
ThSiO 4
6.91E-04
Galena
PbS
6.67E-04
Marcasite
FeS2
6.04E-04
Mg 3:5 Fe 2+ 0:2 Al 5:7 (SiO 4 ) 3:7
(BO 4 ) 0:3 O 1:2 (OH)
Kornerupine
6.00E-04
Hf in Zr ores
Hf
5.29E-04
Vaesite
NiS 2
5.20E-04
Fe 2+ Ni 2 S 4
Violarite
5.20E-04
Mg 5:25 Fe 2+ 1:75 (SiO 4 ) 3 F 1:5 (OH) 0:5 5.09E-04
Humite
KFe 3+ 3 (SO 4 ) 2 (OH) 6
Jarosite
4.79E-04
Wollastonite
CaSiO 3
4.74E-04
Arsenopyrite
FeAsS
4.71E-04
Sm in Monazite
and Bastnasite
Sm
4.69E-04
Kieserite
MgSO 4 (H 2 O)
4.24E-04
Garnierite
Ni 2 MgSi 2 O 5 (OH) 4
4.10E-04
Euxenite
Y 0:7 Ca 0:2 Ce 0:1 (Ta 0:2 ) 2 (Nb 0:7 ) 2 (Ti 0:025 )O 6 3.93E-04
Dispersed Dy
Dy
3.91E-04
Cubanite
CuFe 2 S 3
3.62E-04
Dispersed Gd
Gd
3.19E-04
Nickeline
NiAs
2.73E-04
Na 2 Fe 2+ 5 TiSi 6 O 20
Aenigmatite
2.73E-04
Scheelite
CaWO 4
2.67E-04
Cassiterite
SnO 2
2.61E-04
Carnotite
K 2 (UO 2 ) 2 (V O 4 ) 2 3H 2 O
2.52E-04
Mn 4+ 0:6 Fe 3+ 0:2 Ca 0:2 Na 0:1 O 1:5
(OH) 0:5 1:4(H 2 O)
Vernadite
2.36E-04
Topaz
Al 2 (SiO 4 )F 1:1 (OH) 0:9
2.34E-04
Dispersed Er
Er
2.30E-04
Chrysoberyl
BeAl 2 O 4
2.28E-04
Fe 3+ 2 Si 2 O 5 (OH) 4 2(H 2 O)
Hisingerite
2.21E-04
Covellite
CuS
2.17E-04
Sylvite
KCl
2.05E-04
Continued on next page :::
 
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