Geology Reference
In-Depth Information
Table 5.16: Average mineralogical composition of the upper continental crust
according to Grigor'ev (2007). Results are given in percentage mass. - conti-
nued from previous page
Mineral
Abundance, mass %
Pleonaste
1.10E-05
Magnetite
6.50E-01
Ulvöspinel
6.60E-02
Jacobsite
3.00E-04
Chromite
1.90E-04
Iotsite
1.40E-06
Corundum
3.80E-03
Hematite
7.90E-02
Ilmenite
1.90E-01
Perovskite
2.80E-05
Loparite
1.00E-06
Pyrochlore
1.00E-06
Microlite
7.60E-09
Quarz
2.40E+01
Tridymite
6.60E-05
Cristobalite
1.30E-03
Opal
1.30E+00
Pyrolusite
5.40E-04
Rutile
1.10E-02
Cassiterite
2.50E-06
Hollandite
6.40E-04
Ilmenorutile
2.50E-05
Cryptomelane
2.50E-04
Psilomelane
3.10E-04
Todorokite
8.60E-05
Vernadite
2.60E-05
Anatase
1.80E-03
Brookite
1.70E-05
Columbite
6.60E-06
Ferrotantalite
2.60E-07
Delorenzite/ Tanteuxenite
6.60E-09
Polycrase
4.00E-11
Euxenite
6.60E-06
Blomstrandite/ Betafite
9.00E-07
Fergusonite
2.40E-06
Baddeleyite
3.10E-07
Thorianite
3.40E-08
Uraninite
6.60E-06
Hydroxides
Hydragillite/ Gibbsite
4.30E-02
Diaspore
5.50E-02
Brucite
2.50E-04
Goethite
8.50E-02
Manganite
1.50E-04
Boehmite
1.80E-02
Carbonates
Magnesite
1.50E-02
Smithsonite
3.70E-08
Continued on next page :::
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