Advertisements
Advertisements
प्रश्न
Distinguish between Regional and Contact metamorphism.
Advertisements
उत्तर
Regional metamorphism When metamorphism of bed rocks takes place over a very large area, it is called Regional metamorphism. It is usually caused by the movement of the earth’s crust. Contact metamorphism when it takes place over a small area, it is called Local Metamorphism or Contact Metamorphism. It commonly occurs when hot magma comes in contact with other rocks.
संबंधित प्रश्न
Why is diamond clear and hard while graphite is soft?
Classify the following rocks by selecting the correct option given below:
Gneiss
Classify the following rocks by selecting the correct option given below:
basalt
Name the rocks which are most widespread on the earth.
Explain this term associated with rocks: Fossil fuels
Distinguish between the following:
Calcarious and Carbonacious rocks.
Distinguish between Thermal metamorphism and Dynamic metamorphism.
Classify the following rock: Granite
Classify the following rock: Gneiss
Give one word for the following.
Rocks formed by the cooling and solidification of molten rock from beneath the earth crust.
Give one example of an area of: Sedimentary rocks in India
Give one term for the following statement:
Igneous rocks of deep seated origin.
Give one term for the following statement:
Fine grained metamorphic rock, generally produced by the low grade metamorphism of shale.
Find the difference between:
Igneous and sedimentary rocks
Diamond is an example of _______ rock.
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 |
Sedimentary rocks are called stratified rocks.
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.
Match the following.
| Group A | Group B | ||
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
