What are the sedimentary rocks? How many types are there of these rock

1.	What are the sedimentary rocks? How many types are there of these rocks?
Answer» 1. They are called secondary rocks. 2. They form from deposits or sediments obtained from weathering and erosion of other rocks. 3. They contain fossils. 4. They are always layered. 5. Sandstone, shale, gravel and conglomerate are examples of these rocks. 6. On the basis of construction, layered rocks are of two types: (i) Fossil layered rocks. (ii) Non-fossil layered rocks.

What are the sedimentary rocks? How many types are there of these rocks?

Answer»

1. They are called secondary rocks.

2. They form from deposits or sediments obtained from weathering and erosion of other rocks.

3. They contain fossils.

4. They are always layered.

5. Sandstone, shale, gravel and conglomerate are examples of these rocks.

6. On the basis of construction, layered rocks are of two types:

(i) Fossil layered rocks.

(ii) Non-fossil layered rocks.