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प्रश्न
What is the basis for the classification of rocks?
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उत्तर
The basis for the classification of rocks are their mineral composition, colour and texture.
संबंधित प्रश्न
Fill in the blank
Sedimentary rocks are formed from _____________ accumulated over long periods.
Briefly define Mechanical Metamorphism.
Explain this term associated with rocks: Extrusive Igneous Rocks
Explain this term associated with rocks: Laccoliths and Batholiths
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.
Decomposition of organic matter at different stages and over different periods of time.
In what type of rocks do you find fossils and why?
Sedimentary rocks are also called stratified rocks. Why?
Give one word for the following.
The outer layer of the earth.
Give one word for the following.
Stratified rock formed organically but from vegetative matter-swamps and forests.
Give one term for the following statement:
Sheet like body of igneous 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 |
Rocks are classified into ______ types.
Parent Rock is converted to loose Rock by ______.
______ rocks are also called Primary rocks.
______ refer to rock in Greek.
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 |
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
