What are the elements in granite?

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What are the elements in granite?

2007-03-10 23:49:45 · 2 answers · asked by Jessica C 1 in Science & Mathematics ➔ Chemistry

2 answers

A worldwide average of the average proportion of the different chemical components in granites, in descending order by weight percent, is :

SiO2 — 72.04%
Al2O3 — 14.42%
K2O — 4.12%
Na2O — 3.69%
CaO — 1.82%
FeO — 1.68%
Fe2O3 — 1.22%
MgO — 0.71%
TiO2 — 0.30%
P2O5 — 0.12%
MnO — 0.05%
Based on 2485 analyses

2007-03-11 00:05:57 · answer #1 · answered by Gervald F 7 · 1⤊ 0⤋

Rock.

2007-03-10 23:59:16 · answer #2 · answered by FuzzyStump 1 · 0⤊ 2⤋