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प्रश्न
Give one word for the following.
The lower part of ocean floor, comprising mainly of silica.
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उत्तर
SIMA
संबंधित प्रश्न
Why is diamond clear and hard while graphite is soft?
Fill in the blank
Sedimentary rocks are formed from _____________ accumulated over long periods.
What are minerals?
Give an example of intrusive igneous rock.
Classify the following rocks by selecting the correct option given below:
shale
What is Geology?
What is sills?
Which rocks are associated with fossil fuels?
What processes are involved in the formation of Igneous Rocks?
Distinguish between the following:
Calcarious and Carbonacious rocks.
Give one word for the following.
The outer layer of the earth.
Fill in the blanks
The interior layer is the core, which is made up mainly of iron and nickel, and is called ______.
Fill in the blanks
______ rock contain a low percentage of silica and a high percentage of basic oxides.
Give reasons for the following
Man’s habitat is the biosphere and not the lithosphere in the true sense.
Fill in the blank below:
______are intrusions of igneous rock that are vertical in shape
Igneous rocks are called primary rocks.
How are igneous rocks formed?
The world Igneous is derived from the Latin word ______ meaning ______.
Match the following:
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
