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प्रश्न
Fill in the blanks
______ rock contain a low percentage of silica and a high percentage of basic oxides.
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उत्तर
Basic igneous rock contain a low percentage of silica and a high percentage of basic oxides.
संबंधित प्रश्न
Write True or False. Rewrite the false statement correctly :
Igneous and sedimentary rocks can change into metamorphic rocks.
How are igneous rocks formed?
Describe the process that leads to exfoliation.
Which rocks are associated with fossil fuels?
Name the types Sedimentary rocks based on agents of formation.
Name the main types of rocks.
How are rocks important to us?
Classify the following rock: Shale
Classify the following rock: Marble
Give one word for the following.
A sedimentary rock, which is composed of microscopically fine, soft and smooth particles.
How is Plutonic rock formed?
Give reasons for the following
Rocks are of great economic significance.
Fill in the blank below:
______are intrusions of igneous rock that are vertical in shape
______ is the kind of metamorphic rock using which Taj Mahal was built.
Diamond is an example of _______ rock.
______ rocks are also called Primary rocks.
What are the characteristics of Sedimentary rocks?
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 |
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
