Q. An increased silica content in the magma tends to __:
- Make it more felsic
- Increase its temperature
- Make it more explosive
- Make it more viscous
Select the correct option from the codes given below:
Answer:
Only 1, 3 & 4
Notes:
- Increasing silica content is the basis of classifying the Magma from Picritic to Felsic.
- Increasing Silica content implies a lower temperature of the Magma.
- Increasing silica content implies an explosive eruption behaviour of Magma
- Increasing silica content implies an increasing viscosity of Magma