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Trachybasalt

(provided by Malcolm Rutherford)

 

Oxide wt. %
SiO2 48.99
TiO2 1.95
Al2O3 16.91
Fe2O3 1.76
FeO 8.99
MnO 0.17
MgO 5.89
CaO 8.69
Na2O 3.57
K2O 1.86
P2O5 1.23
Total 100

 

Reference: Composition used by Los Alamos Study Group.

 

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Last modified: Tuesday May 08, 2007