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प्रश्न
Give one word for the following.
Igneous rocks, which contain a high percentage of silica.
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उत्तर
Acidic igneous rocks
संबंधित प्रश्न
Classify the following rocks by selecting the correct option given below:
gypsum
What are metamorphic rocks?
State two points of distinction between rocks and minerals.
Name any three elements of the earth’s crust.
State the types of rocks for the formation of which the following process is involved.
Decomposition of organic matter at different stages and over different periods of time.
Name different types of sedimentary rocks.
How are chemically-formed sedimentary rocks produced?
Classify the following rock: Rock salt
Classify the following rock: Quartzite
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.
Fill in the blanks
Extrusive rocks are also known as ______ rocks.
Give one term for the following statement:
Rounded or sub-rounded fragments, usually water-born cobbles, pebble and gravel, cemented together by a matrix of calcium carbonate, silica, etc.
Give one term for the following statement:
Type of metamorphism in which changes are caused due to high pressure.
What are metamorphic rocks?
The word Ignis means rock.
______ refer to rock in Greek.
Intrusive Igneous rocks are also called ______ rocks.
What is thermal metamorphism?
Explain the different types of sedimentary rocks.
