Advertisements
Advertisements
Question
Why are Sedimentary rocks called the Secondary rocks?
Advertisements
Solution
Sedimentary rocks are called Secondary rocks or derived – rocks because they are derived by the denudation of other rocks.
RELATED QUESTIONS
Classify the following rocks by selecting the correct option given below:
coal
Classify the following rocks by selecting the correct option given below:
limestone
State two points of distinction between rocks and minerals.
Name the types Sedimentary rocks based on agents of formation.
Distinguish between the following:
Thermal and Dynamic Metamorphism.
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.
Classify the following rock: Dolomite
Classify the following rock: Quartzite
Classify the following rock: Graphite
Give one word for the following.
A sedimentary rock, which is composed of microscopically fine, soft and smooth particles.
Fill in the blanks
______ is the best example of the wind deposited stratified rock.
Give one term for the following statement:
Igneous rocks of deep seated origin.
Give one term for the following statement:
Fine grained metamorphic rock, generally produced by the low grade metamorphism of shale.
Give reasons for the following
Silicates are the most common rock forming minerals.
Igneous rocks are called primary rocks.
The oldest sedimentary rocks of the world have been identified in ______.
______ 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
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 |
