Advertisements
Advertisements
Question
Name the types Sedimentary rocks based on agents of formation.
Advertisements
Solution
There are five main types of rocks on the basis of agents of formation:
- Riverine Rocks These are formed by the sediments deposited by running water or a river.
- Lacustrine Rocks These are formed by the deposition of silt, etc., on the bed of lakes.
- Glacial Rocks These are formed by the debris carried on and deposited by glaciers.
- Aeolian Rocks These are formed by the deposition of sand accumulation by the wind.
- Marine Rocks These are formed by the deposition of sediments at the ocean floor. These types are calcareous and carbonaceous sedimentary rocks.
APPEARS IN
RELATED QUESTIONS
Why is diamond clear and hard while graphite is soft?
Fill in the blank
Conglomerate is an example of _____________ rocks.
Write True or False. Rewrite the false statement correctly :
Sedimentary rocks are formed by the cooling and solidification of molten rock called magma
What are minerals?
Classify the following rocks by selecting the correct option given below:
coal
Classify the following rocks by selecting the correct option given below:
basalt
What are known as metamorphic rocks?
What are the causes of metamorphism?
Name the main types of rocks.
How are rocks important to us?
Fill in the blanks
______ is formed, when the angular and coarse grains of some durable minerals are cemented together.
Fill in the blanks
______ is the best example of the wind deposited stratified rock.
Give one term for the following statement:
Fine grained metamorphic rock, generally produced by the low grade metamorphism of shale.
Igneous rocks are called primary rocks.
Rocks are classified into ______ types.
The two types of Intrusive Igneous rocks are ______.
Mention some uses of rocks.
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. | Granite | 1. | Bed rock |
| B. | Soil layer | 2. | Plutonic rock |
| C. |
Barren island |
3. | Strip farming |
| D. | Soil conservation | 4. | Active Volcano |
