How many minerals are common in Earth's crust?
1 Answer
Jul 11, 2017
Mainly 3 groups: feldspars, quartz and pyroxenes.
Explanation:
Minerals ordered in relation to their abundance in Earth's crust :
More than 90% of the crust is composed of silicate minerals
- Feldspars - 52% (weight)
- Quartz - 12%
- Pyroxenes - 11%
5 Most abundant ELEMENTS:
- O - 46.6%
- Si - 27.7%
- Al - 8%
- Fe - 5%
- Ca - 3.6%