Civil Engineering - Building Materials - Discussion

Discussion Forum : Building Materials - Section 1 (Q.No. 13)
13.
The rocks which are formed due to cooling of magma at a considerable depth from earth's surface are called
Plutonic rocks
Hypabyssal rocks
Volcanic rocks
Igneous rocks.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
47 comments Page 5 of 5.

Vikash said:   9 years ago
1. Plutonic rock are those whose at depth more than 35 m.eg - granit,diorite.
2. Hypabsal rock are those at moderate depth less than 35 m. eg- dolerite.
3. Volcanic rocks are those which is at a surface of earth. eg- basalt.

Rohit gomladu said:   8 years ago
Plutonic rock is the correct answer. I agree.

Sanjay said:   8 years ago
Yes, I agree @Vikas.

Shahrukh khan said:   8 years ago
Volcanic rocks or extrusive igneous rock is the correct answer.

Sourav said:   8 years ago
@Ranjit Ray.

A pegmatite is a holocrystalline, intrusive igneous rock composed of interlocking phaneritic crystals usually larger than 2.5 cm in size (1 inch); such rocks are referred to as pegmatitic.

Rajesh bakolia said:   8 years ago
I think B is the correct answer.

Aswini kumar behera said:   8 years ago
Cooling of magma formed igneous rock. So I think answer D is correct.


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