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प्रश्न
What are the causes of metamorphism?
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उत्तर
The main causes are great temperature and pressure beneath the earth’s crust, which change the original texture and form of the rocks into dense, crystalline, and fine-grained rocks.
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संबंधित प्रश्न
Write True or False. Rewrite the false statement correctly :
Minerals are organic substances.
With the help of your teacher, collect different types of rocks such as granite, sandstone, limestone, marble, slate, graphite, etc. and prepare a chart containing information about their colour, hardness, texture, and permeability.
Why are the igneous rocks also called the primary rocks?
Give two examples of sedimentary rocks.
Briefly define Mechanical Metamorphism.
Explain this term associated with rocks: Fossil fuels
Explain this term associated with rocks: Lithification of Rocks.
Distinguish between rocks and minerals.
Name different types of sedimentary rocks.
Classify the following rock: Quartzite
Fill in the blanks
Extrusive rocks are also known as ______ rocks.
How are sedimentary rocks classified?
Why are the Igneous Rocks called Primary Rocks?
Kola sample title is located in ______.
Mention the types of rocks based on formation?
The types of rocks based on formation are
Parent Rock is converted to loose Rock by ______.
Lava comes out from a volcano.
Match the following:
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
