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Question
How are chemically-formed sedimentary rocks produced?
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Solution
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.
RELATED QUESTIONS
Classify the following rocks by selecting the correct option given below:
marble
Classify the following rocks by selecting the correct option given below:
sandstone
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.
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State two characteristics of Basic Igneous Rocks.
Name two important landforms made by Igneous Rocks.
What are known as metamorphic rocks?
Distinguish between the following:
Acid Igneous Rocks and Basic Igneous Rocks.
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What physical agents are involved in the sedimentary rocks?
Classify the following rock: Gneiss
Fill in the blanks
______ rock contain a low percentage of silica and a high percentage of basic oxides.
Give one example of an area of: Igneous rocks
Why are Sedimentary rocks called the Secondary rocks?
Which one of the following is the most widespread most and productive category of soil.
______ is the kind of metamorphic rock using which Taj Mahal was built.
Chemical sedimentary rocks are found in the beds of reservoirs.
Kola sample title is located in ______.
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.
