Mechanical metamorphism refers to the process where rocks are changed mainly by pressure without much heat. The intense pressure squeezes and rearranges the minerals in the rock, making them more compact and sometimes forming new structures, but without significant chemical change.
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प्रश्न
Briefly define Mechanical Metamorphism.
व्याख्या
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उत्तर
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Rock and it's Types
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 6: Rocks - EXERCISES [पृष्ठ ६४]
APPEARS IN
संबंधित प्रश्न
Classify the following rocks by selecting the correct option given below:
sandstone
Which rocks are associated with fossil fuels?
Distinguish between the following:
Sills and Dykes.
What physical agents are involved in the sedimentary rocks?
Classify the following rock: Basalt
Classify the following rock: Graphite
Give one word for the following.
The upper part of lithosphere, which is rich in silica and aluminium.
Give one example of an area of: Igneous rocks
How are sedimentary rocks classified?
State the properties of metamorphic rocks.
How is Plutonic rock formed?
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 |
Which Soils are formed by the weathering of metamorphic rocks?
______ into slate caused by thermal metamorphism.
Sedimentary rocks are called stratified rocks.
What are the characteristics of Sedimentary rocks?
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.
Match the following.
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
