LOCATION AND STRUCTURE OF INDIA
EVOLUTION OF INDIAS GEOLOGICAL STRUCTURE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The Himalayas
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Hawaii
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The Grand Canyon
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The Central Valley
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Detailed explanation-1: -If you go to the Grand Canyon, you’ll see a layer cake of geological formations. Some people call this “layer cake geology.” Just like the cake, the bottom layer is put down first and then subsequent layers moving upward. If a layer is not horizontal it must have been deformed.
Detailed explanation-2: -You’ll notice a couple things immediately when you look across the Grand Canyon. First, it’s a really big ditch. Second, the canyon is made up of different-colored horizontal layers of rock stacked on top of one another. Each layer has a story to tell.
Detailed explanation-3: -In the Grand Canyon, the rock layers are exposed like a layer cake. Each layer is made of sediments that were deposited in a particular environment-perhaps a lake bed, shallow offshore region, or a sand dune. (a) The rocks of the Grand Canyon are like a layer cake.
Detailed explanation-4: -The oldest known rock in Grand Canyon, known as the Elves Chasm Gneiss, is located deep in the canyon’s depths as part of the Vishnu Basement Rocks and clocks in at an ancient 1.84 billion years old.