Advertisements
Advertisements
प्रश्न
How do acidic igneous rocks differ from basic igneous rocks?
उत्तर
Igneous rocks may also be classified as acidic or basic depending on their composition. The acidic rocks contain more than 65% silica and a very low percentage of oxides. These are Arundeep’s Self-Help to Voyage-7 less dense and light coloured. For example, granite. The basic rocks contain a low percentage of silica and a high percentage of oxides. These are dense and dark coloured. For example, basalt.
APPEARS IN
संबंधित प्रश्न
Fill in the blank
Sedimentary rocks are formed from _____________ accumulated over long periods.
What are metamorphic rocks?
Distinguish between the following: Calcarious and Carbonacious rocks.
What is meant by a rock?
How are sedimentary rocks classified?
State the properties of metamorphic rocks.
Which of the following monuments are built-in igneous rock?
- The Taj Mahal
- Fort Raigad
- The Red Fort
- Ellora Sculpture
This is the storehouse of rocks.
Lava comes out from a volcano.
The oldest sedimentary rocks of the world have been identified in ______.