Vidyalelo
Agriculture · Q15

Soil Science

Graduate and Post Graduate · Agriculture · question 15

Q15

Among primary minerals, most resistant to weathering is

A.
Quartz
Answer
B.
Zinc
C.
Albite
D.
Gypsum

Answer: Option A

Solution

Answer: Option A
Solution:
Quartz is among the group of primary minerals that is highly resistant to weathering. Its high hardness and lack of cleavage make it quite resistant to mechanical weathering. Quartz is itself an agent of mechanical wreathing in the form of blowing desert sand.
However, Weathering is the breaking down or dissolving of rocks and minerals on Earth’s surface.