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Question
Give one word for the following.
Igneous rocks, which contain a low percentage of silica.
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Solution
Basic igneous rocks
RELATED QUESTIONS
Fill in the blank
Sedimentary rocks are formed from _____________ accumulated over long periods.
Classify the following rocks by selecting the correct option given below:
gypsum
How are sedimentary rocks formed?
With the help of your teacher, collect different types of rocks such as granite, sandstone, limestone, marble, slate, graphite, etc. and prepare a chart containing information about their colour, hardness, texture, and permeability.
What is sills?
Distinguish between the following:
Sills and Dykes.
How are rocks important to us?
Distinguish between Thermal metamorphism and Dynamic metamorphism.
Give one word for the following.
The best example of chemically-formed sedimentary rock, which has been formed by the evaporation of water from solution containing minerals.
Fill in the blanks
The interior layer is the core, which is made up mainly of iron and nickel, and is called ______.
Why are the Igneous Rocks called Primary Rocks?
Why fossils are preserved in Sedimentary and not in Igneous rocks?
Which of the following monuments are built-in igneous rock?
- The Taj Mahal
- Fort Raigad
- The Red Fort
- Ellora Sculpture
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
What are metamorphic rocks?
Which Soils are formed by the weathering of metamorphic rocks?
Explain the different types 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 |
