Bihar’s geographical structure consists of rock systems. Match the rock systems with their descriptions :
|
(a) |
Dharwar rock system |
1 |
Created by the rapid deposition of alluvium by Himalayan and Peninsular rivers |
|
(b) |
Vindhyan rock system |
2 |
Can be found in the West Champaran district |
|
(c) |
Quaternary rock system |
3 |
Part of the oldest Archaean rock system |
|
(d) |
Tertiary rock system |
4 |
Sandstone, limestone, dolomite, quartzite and shale are the main constituents of this rock system |
Select the correct answer using the codes given below.
1
a - 3, b - 4, c - 1, d - 2
2
a - 1, b - 3, c - 2, d - 4
3
a - 2, b - 3, c - 4, d - 1
4
More than one of the above
5
None of the above