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प्रश्न
Explain this term associated with rocks: Extrusive Igneous Rocks
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उत्तर
These rocks are formed by consolidation of erupted magma on the surface of earth.
संबंधित प्रश्न
Why is diamond clear and hard while graphite is soft?
How are sedimentary rocks formed?
Name any two characteristics of Igneous Rocks.
Sedimentary rocks are also called stratified rocks. Why?
What is meant by the term ‘metamorphism’?
Give some examples of metamorphic rocks formed from sedimentary and igneous rocks.
Classify the following rock: Peat
Classify the following rock: Graphite
Give one word for the following.
Igneous rocks, which contain a low percentage of silica.
Give one word for the following.
A sedimentary rock, which is composed of microscopically fine, soft and smooth particles.
Give one word for the following.
The best example of chemically-formed sedimentary rock, which has been formed by the evaporation of water from solution containing minerals.
What is the basis for the classification of rocks?
How are sedimentary rocks classified?
Give reasons for the following
Extrusive rocks generally have small crystals.
______ is known as the primary rocks.
Choose the incorrect statement from the following.
Kola sample title is located in ______.
The word ‘Igneous’ is derived from the ______ word.
______ are chemical substances which exist in nature.
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
