GEOLOGY

EARTH SCIENCE

VOLCANOES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is NOT one of the three types of fragments that lava is broken into during an explosive eruption?
A
cinders
B
slabs
C
volcanic ash
D
bombs
Explanation: 

Detailed explanation-1: -There are three basic types of magma: basaltic, andesitic, and rhyolitic, each of which has a different mineral composition.

Detailed explanation-2: -Magma and lava contain three components: melt, solids, and volatiles. The melt is made of ions from minerals that have liquefied.

Detailed explanation-3: -Volcanic eruptions produce three types of materials: gas, lava, and fragmented debris called tephra.

Detailed explanation-4: -Although there are several factors triggering a volcanic eruption, three predominate: the buoyancy of the magma, the pressure from the exsolved gases in the magma and the injection of a new batch of magma into an already filled magma chamber.

There is 1 question to complete.