Advertisements
Advertisements
प्रश्न
Fill in the blanks
______ rock contain a low percentage of silica and a high percentage of basic oxides.
उत्तर
Basic igneous rock contain a low percentage of silica and a high percentage of basic oxides.
APPEARS IN
संबंधित प्रश्न
Discuss the importance of rocks for the construction business.
Differentiate between SIAL and SIMA.
Classify the following rocks by selecting the correct option given below:
gypsum
Name any three elements of the earth’s crust.
Mention any two chief characteristics of Sedimentary Rocks.
Name the three stages of lithification of Sedimentary rocks.
Name the types Sedimentary rocks based on agents of formation.
What are the causes of metamorphism?
Distinguish between Thermal metamorphism and Dynamic metamorphism.
Classify the following rock: Quartzite
Give one word for the following.
The lower part of ocean floor, comprising mainly of silica.
Give one word for the following.
Igneous rocks, which contain a high percentage of silica.
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.
Volcanic mountains are covered with sedimentary rocks.
Why are crystalline rocks called so?
Explain Dynamic Metamorphism.
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 |
