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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
Rocks and minerals play a very important role in our lives.
What problems would you face in their absence?
Fill in the blank
Granite is an example of intrusive ________ rocks.
Fill in the blank
Sedimentary rocks such as limestone change into ___________.
Classify the following rocks by selecting the correct option given below:
granite
Classify the following rocks by selecting the correct option given below:
gypsum
How do acidic igneous rocks differ from basic igneous rocks?
Describe how igneous rocks are formed.
Classify the following rock: Clay
Give one term for the following statement:
Formed when mud layers compacted under great pressure composing 80% of this rock.
Give reasons for the following
Silicates are the most common rock forming minerals.
How are igneous rocks formed?
This is the storehouse of rocks.
Out of 2,000 different types, only ______ are the basic minerals commonly found all over the earth.
Intrusive Igneous rocks are also called ______ rocks.
What is lava?
What is thermal metamorphism?
Match the following.
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
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 |
Match the following:
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
