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प्रश्न
What physical agents are involved in the sedimentary rocks?
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उत्तर
Rain water, wind, ice or the running water are the agents involved in the formation of sedimentary rocks. These agents break and carry on loose material and deposit it in various low lying areas to convert into the solid sedimentary rocks.
संबंधित प्रश्न
Explain the structure of the earth’s interior?
State two points of distinction between rocks and minerals.
Mention any two characteristics of Sedimentary Rocks.
Explain this term associated with rocks: Extrusive Igneous Rocks
Distinguish between the following:
Acid Igneous Rocks and Basic Igneous Rocks.
Name the main types of rocks.
How are chemically-formed sedimentary rocks produced?
Classify the following rock: Coal
Classify the following rock: Clay
Classify the following rock: Granite
Give one word for the following.
The lower part of ocean floor, comprising mainly of silica.
Fill in the blanks
______ rock contain a low percentage of silica and a high percentage of basic oxides.
Fill in the blanks
______ rocks cover wide area in Peninsular India and Columbia, the Snake Plateau of the U.S.A.
Give one term for the following statement:
Formed when mud layers compacted under great pressure composing 80% of this rock.
Give an example of a Plutonic rock.
How are igneous rocks formed?
What is lava?
Mention some uses of rocks.
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 |
