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प्रश्न
What is meant by the term ‘metamorphism’?
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उत्तर
The term metamorphism means change of form. It may be physical or chemical or both.
संबंधित प्रश्न
Fill in the blank
A category of rock which is formed by the alteration of the parent rock due to heat and pressure is called: ______________.
Classify the following rocks by selecting the correct option given below:
gypsum
How are igneous rocks formed?
The photograph shows you a type of rock that is widely used in the construction industry.
- Name the type of rock.
- How is it formed?
Give one difference between Extrusive igneous and Intrusive igneous rocks.
Distinguish between rocks and minerals.
Classify the following rock: Coal
Classify the following rock: Limestone
Classify the following rock: Basalt
Give one word for the following.
The best example of chemically-formed sedimentary rock, which has been formed by the evaporation of water from solution containing minerals.
Fill in the blanks
Extrusive rocks are also known as ______ rocks.
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.
Which types of rocks are predominantly found at the following locations?
- Central Maharashtra
- South Konkan
- Vidarbha
Match the following:
| (a) | Igneous | (i) | Magma |
| (b) | Sedimentary | (ii) | Transformation |
| (c) | Metamorphic | (iii) | Gypsum |
| (d) | Molten material | (iv) | Basalt |
| (e) | Rock Cycle | (v) | Marble |
Rocks are classified into ______ types.
The two types of Intrusive Igneous rocks are ______.
| 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.
