Geology Reference
In-Depth Information
Table 10.5: Mineralogical composition of the crepuscular crust. - continued
from previous page.
Mineral
Formula
mass, %
Britholite
Ca
2:9
Ce
0:9
Th
0:6
La
0:4
Nd
0:2
Si
2:7
P
0:5
O
12
(OH)
0:8
F
0:2
1.67E-05
Fe
2+
Ta
2
O
6
Ferrotantalite
1.58E-05
Ramsayite/
Lorenzenite
Na
2
Ti
2
Si
2
O
9
1.24E-05
Anglesite PbSO
4
1.16E-05
Greenockite CdS 1.16E-05
Chondrodite Mg
3:75
Fe
2+
1:25
(SiO
4
)
2
F
1:5
(OH)
0:5
1.12E-05
Axinite -Fe Ca
2
Fe
2+
Al
2
BO
3
Si
4
O
12
(OH)
1.10E-05
Chalcocite
Cu
2
S
1.09E-05
Zinc
Zn
1.01E-05
Se in copper
ores
Se
9.00E-06
Loparite - Ce
Na
0:6
Ce
0:22
La
0:11
Ca
0:1
Ti
0:8
Nb
0:2
O
3
8.13E-06
Bischofite
MgCl
2
6(H
2
O)
8.06E-06
Smithsonite
ZnCO
3
7.98E-06
Sirtolite
ZrSiO
4
7.37E-06
MgFe
3+
2
O
4
Pleonaste/
Magnesioferrite
6.96E-06
Lead
Pb
6.32E-06
Bismutite
Bi
2
(CO
3
)O
2
6.09E-06
Cinnabar
HgS
5.73E-06
In in ZnS
In
5.61E-06
Arsenolite
As
2
O
3
5.55E-06
Bismuthinite
Bi
2
S
3
5.10E-06
Bismite
Bi
2
O
3
4.62E-06
Tin
Sn
4.59E-06
Cancrinite
Na
6
Ca
2
Al
6
Si
6
O
24
(CO
3
)
2
4.46E-06
Ce
1:7
La
1:4
Ca
0:8
Th
0:1
Fe
2+
1:8
Mg
0:5
Ti
2:5
Fe
3+
0:5
Si
4
O
22
Chevkinite
3.35E-06
Bismuth
Bi
2.71E-06
Rhabdophane-
Ce
Ce
0:75
La
0:25
(PO
4
) (H
2
O)
2.62E-06
Fergusonite
Nd
0:4
Ce
0:4
Sm
0:1
Y
0:1
NbO
4
2.38E-06
Native silver
Ag
2.09E-06
Iotisite
FeO
1.72E-06
Realgar
As
4
S
4
1.50E-06
Pyrargirite
Ag
3
SbS
3
1.29E-06
Argentite
Ag
2
S
1.24E-06
Baddeleyite
ZrO
2
1.20E-06
Uranium- Thor-
ite
ThSiO
4
1.04E-06
Na
0:5
Ca
0:5
Mn
2+
0:5
Fe
2+
0:5
Zr
0:8
Ti
0:1
Nb
0:1
(Si
2
O
7
)O
0:6
(OH)
0:3
F
0:1
Lavenite
9.10E-07
Cobaltite
CoAsS
8.40E-07
Acanthite
Ag
2
S
6.79E-07
Ag
7:2
Cu
3:6
Fe
2+
1:2
Sb
3
AsS
13
Freibergite
6.79E-07
Smaltite
CoAs
2
6.35E-07
Powellite
CaMoO
4
6.10E-07
Stephanite
Ag
5
SbS
4
6.09E-07
Continued on next page :::
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