Civil Engineering - Building Materials - Discussion

Discussion Forum : Building Materials - Section 1 (Q.No. 31)
31.
Gniess is obtained from
igneous rocks
metamorphic rocks
sedimentary rocks
sedimentary metamorphic rocks.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
71 comments Page 4 of 8.

Sushant said:   4 years ago
Gneiss is obtained from metamorphic rock and it is formed by metamorphism of sedimentary and igneous rock.

MJM GCEKalahandi said:   4 years ago
Option D is wrong.

Gneiss is obtained from Granite which is an igneous rock.

So, option A is correct.
(4)

Tark Raj Bhatt said:   3 years ago
Gneiss is obtained from a conglomerate too which is a sedimentary rock. So the given answer is right.
(3)

Hardik said:   5 years ago
Gneiss is obtained from granite (igneous rock) by metamorphic process. So the answer must be A.

Avinash tripathi said:   9 years ago
Gneiss is a metamorphic rock which is obtain from granite.

So option A is correct.

Himanshu Rakshit said:   2 years ago
Gneiss is a type of metamorphic rock which is formed when granite is metamorphized.
(1)

Swastik said:   1 decade ago
I think Gniess is metamorphosed from Granite, then how it is sed. meta. rock?

Dolly said:   7 years ago
D is the correct one as it settles after it's a metamorphic action.

Dhaval said:   8 years ago
Granite is not igneous rock. It is polymineralic rock @Vinoth.

Prakash said:   6 years ago
Igneous rock gets converted into Gneiss by metamorphic action.


Post your comments here:

Your comments will be displayed after verification.