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प्रश्न
Fill in the blanks
______ is formed, when the angular and coarse grains of some durable minerals are cemented together.
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उत्तर
Breccia rock is formed, when the angular and coarse grains of some durable minerals are cemented together.
संबंधित प्रश्न
Give one difference between Extrusive igneous and Intrusive igneous rocks.
Give two examples of metamorphic rocks.
Explain this term associated with rocks: Metamorphism
Distinguish between the following:
Calcarious and Carbonacious rocks.
Give a detailed account of lithiflcation of sedimentary rocks.
How are chemically-formed sedimentary rocks formed? Give examples.
Classify the following rock: Dolomite
Classify the following rock: Graphite
Give one word for the following.
The core of the earth occupied by rock in iron and nickel.
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.
Why are the Igneous Rocks called Primary Rocks?
Fossils are found in.
Choose the incorrect statement from the following.
Igneous rocks are found in the regions of volcanoes.
Classify and explain the rocks.
What are the uses of soil?
______ rocks are also known as stratified rocks.
______ 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.
Match the following.
| Group A | Group B | ||
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
