How do acidic igneous rocks differ from basic igneous rocks?

फरक स्पष्ट करा

Igneous rocks may be classified as acidic or basic depending on their chemical composition.

Acidic igneous rocks contain more than 65% silica and a low percentage of oxides. They are light in colour and less dense.
Example: Granite.
Basic igneous rocks contain a low percentage of silica and a high percentage of oxides (such as iron and magnesium). They are dark in colour and dense.
Example: Basalt.

shaalaa.com

Rock and it's Types

या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?

पाठ 7: Types of Rocks - Answer the questions in one or two paragraphs

पाठ 7 Types of Rocks
Answer the questions in one or two paragraphs | Q 4

What are metamorphic rocks?

State two characteristics of Basic Igneous Rocks.

Name the rocks which are most widespread on the earth.

Classify the igneous rocks on the basis of their place of origin.

Distinguish between Regional and Contact metamorphism.

Classify the following rock: Limestone

Classify the following rock: Gneiss

State the properties of metamorphic rocks.

Mention a few specimens of magnificent rock-cut architecture in India?

Match the following: