Advertisements
Advertisements
प्रश्न
Name different types of sedimentary rocks.
Name the three types of sedimentary rocks based on their formation.
Advertisements
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).
APPEARS IN
संबंधित प्रश्न
Write True or False. Rewrite the false statement correctly :
Rocks are used in construction industries.
Explain the structure of the earth’s interior?
State two characteristics of Basic Igneous Rocks.
Mention any two characteristics of Sedimentary Rocks.
State the types of rocks for the formation of which the following process is involved.
Accumulation takes place over long periods of time in seas, lakes and streams.
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.
Describe how igneous rocks are formed.
State the chief characteristics of metamorphic rocks.
Fill in the blanks
______ is formed, when the angular and coarse grains of some durable minerals are cemented together.
Fill in the blanks
Extrusive rocks are also known as ______ rocks.
What is the basis for the classification of rocks?
Give reasons for the following
Man’s habitat is the biosphere and not the lithosphere in the true sense.
Which one of the following is the most widespread most and productive category of soil.
Classify and explain the rocks.
Mention a few specimens of magnificent rock-cut architecture in India?
The word ‘Igneous’ is derived from the ______ word.
Oldest Sedimentary rocks of the world has been identified in Green land.
Intrusive Igneous rocks are also called ______ 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.
| A. | Granite | 1. | Bed rock |
| B. | Soil layer | 2. | Plutonic rock |
| C. |
Barren island |
3. | Strip farming |
| D. | Soil conservation | 4. | Active Volcano |
