Civil Engineering - Building Materials - Discussion
Discussion Forum : Building Materials - Section 1 (Q.No. 31)
31.
Gniess is obtained from
Discussion:
71 comments Page 5 of 8.
Bishu said:
7 years ago
The correct Answer is A.
Aashish said:
7 years ago
According to me, the Right answer is A.
Kavin suriya said:
7 years ago
Gniess is a metamorphic rock and sedimented afterwards.
Santosh Kumar said:
7 years ago
Gneiss and quartz is siliceous rock.
Ajay Raj said:
7 years ago
Gneiss is a metamorphic rock. Gneiss is formed by high temperature and high-pressure metamorphic processes acting on formations composed of igneous or sedimentary rocks. Orthogneiss is gneiss derived from igneous rock (such as granite). Paragneiss is gneiss derived from sedimentary rock (such as sandstone).
So, the Answer is: metamorphic.
So, the Answer is: metamorphic.
Farhan malik said:
6 years ago
Gneiss is a common and widely distributed type of metamorphic rock. Gneiss is formed by high temperature and high-pressure metamorphic processes acting on formations composed of igneous or sedimentary rocks. Orthogneiss is gneiss derived from igneous rock (such as granite).
Bishnu khadka said:
6 years ago
I think answer should be A. Gneiss is made from Granite.
Kammar Bahadur Bam said:
6 years ago
Genesis is obtained from granite. So, A is correct.
Poorna said:
6 years ago
Gneiss is metamorphic rock. How come a metamorphic rock obtained from metamorphic rock only?
Gneiss is absolutely metamorphic rock obtained from granite which is an igneous rock. Gneiss sometimes also has its parent rock as shale which is a sedimentary rock. So the answer must be igneous -sedimentary rock or simply igneous rock.
Gneiss is absolutely metamorphic rock obtained from granite which is an igneous rock. Gneiss sometimes also has its parent rock as shale which is a sedimentary rock. So the answer must be igneous -sedimentary rock or simply igneous rock.
Prakash said:
6 years ago
Igneous rock gets converted into Gneiss by metamorphic action.
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