Geology Reference
In-Depth Information
Table 10.5: Mineralogical composition of the crepuscular crust. - continued
from previous page.
Mineral Formula mass, %
Yttrialite Y
1:5
Th
0:5
Si
2
O
7
1.94E-04
Molybdenite MoS
2
1.83E-04
Yb in monazite Y b 1.72E-04
Gersdor
te NiAsS 1.61E-04
Dispersed Br Br 1.60E-04
Omphacite Ca
0:6
Na
0:4
Mg
0:6
Al
0:3
Fe
2+
0:1
Si
2
O
6
1.60E-04
Brucite Mg(OH)
2
1.58E-04
Uraninite
UO
2
1.51E-04
Azurite
Cu
3
(CO
3
)
2
(OH)
2
1.51E-04
Dietzeite
Ca
2
(IO
3
)
2
(CrO
4
)
1.51E-04
Sb in galena
Sb
1.42E-04
Dispersed Ge
Ge
1.41E-04
Bornite
Cu
5
FeS
4
1.33E-04
Nosean
Na
8
Al
6
Si
6
O
24
(SO
4
)
1.26E-04
Pyrochlore
NaCaNb
2
O
6
(OH)
0:75
F
0:25
1.26E-04
Malachite
Cu
2
(CO
3
)(OH)
2
1.21E-04
Palygorskite
MgAlSi
4
O
10
(OH) 4(H
2
O)
1.14E-04
Lautarite
Ca(IO
3
)
2
1.08E-04
Dispersed Eu
Eu
1.00E-04
Dispersed Tl
Tl
8.98E-05
Hydrosodalite
Na
8
(AlSiO
4
)
6
(OH)
2
8.44E-05
Dispersed Ho
Ho
8.30E-05
Y
2
Fe
2+
Be
2
(Si
2
O
10
)
Gadolinite
8.05E-05
Phenakite
Be
2
SiO
4
8.05E-05
Bertrandite
Be
4
Si
2
O
7
(OH)
2
8.05E-05
Helvine/
Helvite
Mn
4
Be
3
(SiO
4
)
3
S
8.05E-05
Strontianite
SrCO
3
7.88E-05
Dispersed Tb
Tb
7.00E-05
Perovskite
CaTiO
3
6.94E-05
Tridymite
SiO
2
6.30E-05
Cryolite
Na
3
AlF
6
4.95E-05
Orpiment
As
2
S
3
4.55E-05
Sulphur
S
8
4.53E-05
Brookite
TiO
2
4.21E-05
Na
4
Ca
2
Ce
0:5
Fe
2+
0:7
Mn
2+
0:3
Y
0:1
ZrSi
8
O
22
(OH)
1:5
Cl
0:5
Eudialyte
4.04E-05
Carnallite
KMgCl
3
6(H
2
O)
4.03E-05
Xenotime
Y bPO
4
3.70E-05
Dawsonite
NaAl(CO
3
)(OH)
2
3.65E-05
Fe
2+
0:5
Mn
2+
0:5
(WO
4
)
Wolframite
3.21E-05
Dispersed Lu
Lu
3.10E-05
Dispersed Tm
Tm
3.00E-05
Stibnite
Sb
2
S
3
2.75E-05
Copper
Cu
2.48E-05
Cerussite
PbCO
3
2.21E-05
U
0:3
Ca
0:2
Nb
0:9
Ti
0:8
Al
0:1
Fe
3+
0:1
Ta
0:5
O
6
(OH)
Blomstrandite/
Betafite
2.05E-05
Sodalite
Na
8
Al
6
Si
6
O
24
Cl
2
1.98E-05
Continued on next page :::
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