Basaltic magmas have low contents of SiO2,low temperature,low viscosity,and allow easy escape of gases,producing peaceful eruptions.
Correct Answer:
Verified
Q46: The higher the viscosity of a magma,the
Q47: The lowest temperatures and highest SiO2 contents
Q48: Magma compositions are independent of the amount
Q49: About 80 percent of the magma reaching
Q50: Over 80 percent of Earth's magma extruded
Q52: The highest temperatures and highest SiO2 contents
Q53: Magma rising in a subduction zone tends
Q54: Over 90 percent of volcanism is associated
Q55: Basaltic magma has the lowest viscosity,so more
Q56: While there are many hundreds of different
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents