Question
Download Solution PDFEarth’s crust below the oceans is composed of?
This question was previously asked in
Territorial Army Official Paper II (Conducted on 30 Jul 2017)
Answer (Detailed Solution Below)
Option 1 : Sedimentary rocks
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Detailed Solution
Download Solution PDFThe correct answer is Sedimentary rocks.
- There are three major types of rocks: igneous rocks, sedimentary rocks and metamorphic rocks.
- When rocks roll down, crack, and hit each other they broken down into small fragments called as sediments and when these sediments are compressed and hardened sedimentary rocks are formed.
- For example, Earth’s crust below the oceans is composed of Sedimentary rocks.
- When the molten magma from the volcanoes cools, it becomes solid and thus igneous rocks are formed.
- When sedimentary and Igneous come under great heat and pressure, they change into metamorphic rocks.
- For example, changing of clay into slate and limestone into marble.
- When rocks roll down, crack, and hit each other they broken down into small fragments called as sediments and when these sediments are compressed and hardened sedimentary rocks are formed.
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