Question

Arrange the following minerals in the correct sequence of crystallization starting from a cooling magma:
Minerals:
A. Oligoclase
B. Muscovite
C. Anorthite
D. Quartz
Choose the correct answer from the options given below:

• A. (C), (A), (B), (D)
• B. (D), (B), (A), (C)
• C. (A), (C), (B), (D)
• D. (C), (A), (D), (B)

Hint:

Bowen’s Reaction Series is key to understanding the order of mineral crystallization from cooling magma.

Answer 1

The Correct Option is A

Bowen's Reaction Series dictates the crystallization sequence of minerals from magma:

1. Anorthite (C): Forms at higher temperatures.
2. Oligoclase (A): Develops as magma cools further.
3. Muscovite (B): Forms at lower temperatures.
4. Quartz (D): Forms last, at the lowest temperatures.