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प्रश्न
Give reasons for the following
Silicates are the most common rock forming minerals.
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उत्तर
Silicates are the most common rock forming minerals because they are most common minerals in the Earth’s crust.
संबंधित प्रश्न
What are metamorphic rocks?
Name three types of rocks.
Name any two characteristics of Igneous Rocks.
What is sills?
Explain this term associated with rocks: Extrusive Igneous Rocks
State the types of rocks for the formation of which the following process is involved.
Solidification of magma on the surface of the earth.
State the types of rocks for the formation of which the following process is involved.
Accumulation takes place over long periods of time in seas, lakes and streams.
What are the causes of metamorphism?
How are chemically-formed sedimentary rocks produced?
How are chemically-formed sedimentary rocks formed? Give examples.
Give one word for the following.
Igneous rocks, which contain a high percentage of silica.
Fill in the blanks
______ rocks cover wide area in Peninsular India and Columbia, the Snake Plateau of the U.S.A.
Give an example of a Plutonic rock.
Fossils are found in.
Chemical sedimentary rocks are found in the beds of reservoirs.
Distinguish between Metamorphic rock and sedimentary rock.
The two types of Intrusive Igneous rocks are ______.
Explain about Petrology.
The world Igneous is derived from the Latin word ______ meaning ______.
Match the following.
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
