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प्रश्न
Give one word for the following.
The upper part of lithosphere, which is rich in silica and aluminium.
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उत्तर
SIAL
संबंधित प्रश्न
How do acidic igneous rocks differ from basic igneous rocks?
Distinguish between the following:
Calcarious and Carbonacious rocks.
How are sedimentary rocks classified on the basis of their formation?
Give a detailed account of lithiflcation of sedimentary rocks.
Distinguish between Regional and Contact metamorphism.
What are metamorphic rocks?
Classify the following rock: Slate
Give one word for the following.
Igneous rocks, which contain a high percentage of silica.
State the properties of metamorphic rocks.
Give one term for the following statement:
Rounded or sub-rounded fragments, usually water-born cobbles, pebble and gravel, cemented together by a matrix of calcium carbonate, silica, etc.
Volcanic mountains are covered with sedimentary rocks.
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
Chemical sedimentary rocks are found in the beds of reservoirs.
Lava comes out from a volcano.
The oldest sedimentary rocks of the world have been identified in ______.
Explain Dynamic Metamorphism.
Match the following.
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
Match the following:
| Group 'A' | Group 'B' | ||
| A. | Granite | 1. | Bedrock |
| B. | Soil layer | 2. | Plutonic rock |
| C. | Barren island | 3. | Strip farming |
| D. | Soil conservation | 4. | Active Volcano |
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
