Advertisements
Advertisements
Question
What are known as metamorphic rocks?
Solution
Metamorphic rocks are formed by complete change of texture of rocks through volcanism and diastrophism.
APPEARS IN
RELATED QUESTIONS
Write True or False. Rewrite the false statement correctly :
Basalt is an example of an intrusive igneous rock.
What are minerals?
How do acidic igneous rocks differ from basic igneous rocks?
With the help of your teacher, collect different types of rocks such as granite, sandstone, limestone, marble, slate, graphite, etc. and prepare a chart containing information about their colour, hardness, texture, and permeability.
What is Geology?
Name three types of rocks.
How are sedimentary and igneous rocks formed?
State the properties of metamorphic rocks.
Give one term for the following statement:
It has a definite chemical composition with its own chemical and physical properties.
Give one term for the following statement:
Formed by evaporation in saline lakes.
Why are the Igneous Rocks called Primary Rocks?
How is Plutonic rock formed?
______ is known as the primary rocks.
Igneous rocks are found in the regions of volcanoes.
Distinguish between:
Internal Processes and External processes.
Oldest Sedimentary rocks of the world has been identified in Green land.
Minerals exist in nature ¡n the form of ______ or ______.
Mention some uses of rocks.
Match the following.
A. | Basalt | 1. | Anthracite |
B. | Limestone | 2. | Extrusive igneous |
C. | Coal | 3. | Metamorphic rock |
D. | Gneiss | 4. | Sedimentary rock |
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.