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प्रश्न
State the properties of metamorphic rocks.
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उत्तर
Properties of metamorphic rocks :
- These rocks are harder and more resistant than the original rocks.
- These rocks have their minerals arranged in a series of bands.
संबंधित प्रश्न
Write True or False. Rewrite the false statement correctly :
Basalt is an example of an intrusive igneous rock.
Classify the following rocks by selecting the correct option given below:
granite
How are sedimentary rocks formed?
Give a detailed account of lithiflcation of sedimentary rocks.
Name the main types of rocks.
Give one word for the following.
Igneous rocks, which contain a high percentage of silica.
Give one word for the following.
Igneous rocks, which contain a low percentage of silica.
Fill in the blanks
______ is formed, when the angular and coarse grains of some durable minerals are cemented together.
Fill in the blanks
______ rocks cover wide area in Peninsular India and Columbia, the Snake Plateau of the U.S.A.
Give one term for the following statement:
Sheet like body of igneous rock.
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.
Choose the incorrect statement from the following.
Chemical sedimentary rocks are found in the beds of reservoirs.
______ are chemical substances which exist in nature.
| 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.
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.
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
