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Question
Arrange the following rocks in descending order in terms of silica content.

  1. Andesite

  2. Granite

  3. Basalt

  4. Rhyolite


Choose the correct answer from the codes given below:
Options:
A .  1, 2, 3, 4
B .  2, 1, 4, 3
C .  2, 4, 1, 3
D .  2, 1, 3, 4
Answer: Option C
Answer: (c)
Basalt is having 45%-52%
Granite is having 69%-77%
Andesite is having 57%-63%
Rhyolite is having 69%-75% of silica conflict respectively.

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