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प्रश्न
How are chemically-formed sedimentary rocks produced?
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उत्तर
Chemically-formed sedimentary rocks are produced through evaporation of water from solutions containing minerals. In this ways a rock like ‘gypsum’ is produced. Other examples are nitrates and potash etc.
संबंधित प्रश्न
Rocks and minerals play a very important role in our lives.
What problems would you face in their absence?
Classify the following rocks by selecting the correct option given below:
gypsum
Explain the structure of the earth’s interior?
State two points of distinction between rocks and minerals.
Why are the igneous rocks also called the primary rocks?
Give one difference between Extrusive igneous and Intrusive igneous rocks.
Explain this term associated with rocks: Laccoliths and Batholiths
Describe how igneous rocks are formed.
Explain the formation of sedimentary rocks on the basis of agents of formation.
Distinguish between Regional and Contact metamorphism.
Give some examples of metamorphic rocks formed from sedimentary and igneous rocks.
Classify the following rock: Coal
Classify the following rock: Gneiss
Give one example of an area of: Metamorphic rocks,
Give one term for the following statement:
Formed by evaporation in saline lakes.
Give reasons for the following
Extrusive rocks generally have small crystals.
Find the difference between:
Igneous and sedimentary rocks
Explain the type of Igneous Rocks.
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.
