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प्रश्न
Mention any two characteristics of Sedimentary Rocks.
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उत्तर
- Sedimentary rocks are formed from material derived from other rocks, including plant and animal remains. These rocks thus contain fossils.
- Sedimentary rocks are generally not crystalline. They are soft and layered, as they are formed by deposition of sediments.
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संबंधित प्रश्न
Write True or False. Rewrite the false statement correctly :
Sedimentary rocks are formed by the cooling and solidification of molten rock called magma
Differentiate between SIAL and SIMA.
State two characteristics of the mantle.
What is sills?
Name the three stages of lithification of Sedimentary rocks.
Explain this term associated with rocks: Lithification of Rocks.
Classify the igneous rocks on the basis of their place of origin.
State the chief characteristics of metamorphic rocks.
How are chemically-formed sedimentary rocks formed? Give examples.
Classify the following rock: Schist
Give one word for the following.
A sedimentary rock, which is composed of microscopically fine, soft and smooth particles.
Fill in the blanks
______ is formed, when the angular and coarse grains of some durable minerals are cemented together.
Fill in the blanks
Extrusive rocks are also known as ______ rocks.
Give one term for the following statement:
Formed by evaporation in saline lakes.
How is Plutonic rock formed?
The world Igneous is derived from the Latin word ______ meaning ______.
| A | B | ||
| 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.
