Question
Consider the following statements :
1. Most magmas are a combination of liquid, solid and gas.
2. Water vapour and carbon dioxide are the principal gases dissolved in a magma.
3. Basaltic magma is hotter than the silicic magma.
4. The magma solidified between sedimentary rocks in a horizontal position is known as dike.
Which of these statements are correct?
1. Most magmas are a combination of liquid, solid and gas.
2. Water vapour and carbon dioxide are the principal gases dissolved in a magma.
3. Basaltic magma is hotter than the silicic magma.
4. The magma solidified between sedimentary rocks in a horizontal position is known as dike.
Which of these statements are correct?
Answer: Option A
:
A
Ans. (a)
Explanation
1, 2, 3 statements are correct but not 4. Because, the magma solidified between sedimentary rocks in a horizontal position is known as "Sill", but not Dyke (Dyke - solidification in vertical position).
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:
A
Ans. (a)
Explanation
1, 2, 3 statements are correct but not 4. Because, the magma solidified between sedimentary rocks in a horizontal position is known as "Sill", but not Dyke (Dyke - solidification in vertical position).
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