|Consider the following statements.|
|1. The Archaean System consists of the oldest rocks India.|
|2. The Dharma system is very well developed in Karnataka.|
|3. The Upper Vindhyan has enclosed diamond bearing horizons. Which of the above statements is/are correct?|
A) 1 only
B) 2 only
C) 1 and 2 only
D) 1, 2 and 3
Correct Answer: D
Solution :[d] The Archaean system is the oldest rock system of India. The rocks belonging to this system were formed at the time of cooling and solidification of the upper crust of the earth's surface in the pre-Cambrian era starting about 4000 million years ago. The Vindhyan System derives its name from the Vindhyan Mountain. This mountain forms a dividing line between the Ganga Plain and the Deccan Plateau. The well-known diamond mines of Panna and Golconda lie in the Vindhyan System.
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