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प्रश्न
Name different types of sedimentary rocks.
Name the three types of sedimentary rocks based on their formation.
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उत्तर
The three types of sedimentary rocks based on their formation are:
- Mechanically formed sedimentary rocks (clastic rocks) - formed by accumulation and compaction of sediments (e.g. sandstone, shale).
- Organically formed sedimentary rocks - formed from organic materials like remains of plants and animals (e.g. coal, limestone).
- Chemically formed sedimentary rocks - formed by precipitation of minerals from water (e.g. limestone, chert).
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संबंधित प्रश्न
Discuss the importance of rocks for the construction business.
Write True or False. Rewrite the false statement correctly :
Sedimentary rocks are formed by the cooling and solidification of molten rock called magma
Classify the following rocks by selecting the correct option given below:
Gneiss
Name three types of rocks.
Give two examples of metamorphic rocks.
Distinguish between the following:
Calcarious and Carbonacious rocks.
Classify the following rock: Granite
Classify the following rock: Graphite
Give one word for the following.
Rocks formed by the cooling and solidification of molten rock from beneath the earth crust.
Give one word for the following.
Igneous rocks, which contain a low percentage of silica.
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.
Chemical sedimentary rocks are found in the beds of reservoirs.
The word ‘Igneous’ is derived from the ______ word.
Parent Rock is converted to loose Rock by ______.
Lava comes out from a volcano.
______ rocks are also known as stratified rocks.
Match the following.
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
