Bridgmanite is __________.
Earth's most abundant mineral
The correct answer is 3. Earth's most abundant mineral.
Bridgmanite is a mineral with the chemical formula (Mg,Fe)SiO3. It's a silicate mineral and is the major component of Earth's lower mantle, making it the most abundant mineral on Earth. Its existence was theorized for decades before its discovery in a meteorite in 2014, confirming its properties and prevalence in the Earth's structure.
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Important Questions from Physical Geography
Which one of the following is the dominant element of the Earth's crust?
Match column A with column B.
Column-A (element)
Column-B (% in Earth’s crust)
i.
Si
a.
46.6%
ii.
O
b.
27.7%
iii.
Al
c.
5.0%
iv.
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d.
8.13%
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