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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
Fill in the blank
A category of rock which is formed by the alteration of the parent rock due to heat and pressure is called: ______________.
Write True or False. Rewrite the false statement correctly :
Basalt is an example of an intrusive igneous rock.
The photograph shows you a type of rock that is widely used in the construction industry.
- Name the type of rock.
- How is it formed?
Name two important landforms made by Igneous Rocks.
State the chief characteristics of metamorphic rocks.
In what type of rocks do you find fossils and why?
What are metamorphic rocks?
Classify the following rock: Limestone
Classify the following rock: Schist
Fill in the blanks
The interior layer is the core, which is made up mainly of iron and nickel, and is called ______.
Give one example of an area of: Metamorphic 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.
How is sand that flows in a river formed? Collect some information about where the sand comes from.
Which of the following monuments are built-in igneous rock?
- The Taj Mahal
- Fort Raigad
- The Red Fort
- Ellora Sculpture
Chemical sedimentary rocks are found in the beds of reservoirs.
How are igneous rocks formed?
______ 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.
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
