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प्रश्न
How are sedimentary rocks formed?
उत्तर
Continuous deposition of sediments of silt, soil, debris etc. by water, wind and ice along lower landforms and solidification into different layers result in the formation of light sedimentary rocks.
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संबंधित प्रश्न
What is crust?
Classify the following rocks by selecting the correct option given below:
basalt
State two points of distinction between rocks and minerals.
What is the main characteristics of Basic Igneous Rocks?
Explain this term associated with rocks: Fossil fuels
Distinguish between the following: Thermal and Dynamic Metamorphism.
State the types of rocks for the formation of which the following process is involved.
Formation of large crystals, coarse texture and slow cooling and compaction.
How are igneous rocks classified on the basis of their chemical composition?
How are sedimentary rocks classified on the basis of their formation?
Give a detailed account of lithiflcation of sedimentary rocks.
How are chemically-formed sedimentary rocks formed? Give examples.
Classify the following rock: Granite
Classify the following rock: Schist
How is sand that flows in a river formed? Collect some information about where the sand comes from.
Choose the incorrect statement from the following.
______ into slate caused by thermal metamorphism.
The word Ignis means rock.
The oldest sedimentary rocks of the world have been identified in ______.
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
Match the following:
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
