Advertisements
Advertisements
प्रश्न
How are chemically-formed sedimentary rocks formed? Give examples.
उत्तर
Chemically formed sedimentary rocks are formed through chemical action of water. Some mineral like limestones and salts are dissolved into the water and after the evaporation of water form a particular type of rock which is formed by the chemical sedimentation of limestones into gypsum and salt into various types of nitrates.
APPEARS IN
संबंधित प्रश्न
Fill in the blank
Conglomerate is an example of _____________ rocks.
Write True or False. Rewrite the false statement correctly :
Rocks are used in construction industries.
How are igneous rocks formed?
How are sedimentary rocks formed?
Distinguish between the following pair:
Degradation and aggradation
Which rocks are associated with fossil fuels?
Describe how are igneous rocks formed? State their chief characteristics.
Differentiate between Rock and Mineral
Classify the following rock: Quartzite
Fill in the blanks
______ rocks are formed by the deposition of shells and skeletons of organism.
Fill in the blanks
______ rocks cover wide area in Peninsular India and Columbia, the Snake Plateau of the U.S.A.
Give one example of an area of: Metamorphic rocks,
Why fossils are preserved in Sedimentary and not in Igneous rocks?
What are metamorphic rocks?
Minerals exist in nature ¡n the form of ______ or ______.
What is Thermal Metamorphism?
Explain Dynamic Metamorphism.
Match the following:
Group 'A' | Group 'B' | ||
A. | Granite | 1. | Bedrock |
B. | Soil layer | 2. | Plutonic rock |
C. | Barren island | 3. | Strip farming |
D. | Soil conservation | 4. | Active Volcano |
Match the following.
A. | Basalt | 1. | Anthracite |
B. | Limestone | 2. | Extrusive igneous |
C. | Coal | 3. | Metamorphic rock |
D. | Gneiss | 4. | Sedimentary rock |