Volcanism

Question 0

What is a Volcano

Answer 0

Opening in the crust of Earth through which molten rock or magma flows out as lava

Question 1

What is a fissure?

Answer 1

A long, narrow opening or line of breakage made by cracking or splitting, esp. in rock or earth

Question 2

What is Volcanism

Answer 2

Any of various processes and phenomena associated with the surface discharge of molten rock or hot water and steam, including volcanoes, geysers, and fumaroles.

Question 3

What is a Xenolith?

Answer 3

An inclusion in an igneous rock which is not genetically related, such as an unmelted fragment of country rock. Also known
as accidental inclusion; exogenous inclusion.

Question 4

What is Pyroclastic Material?

Answer 4

are clastic rocks composed solely or primarily of volcanic materials

Question 5

What is Plateaux

Answer 5

A plateau is a flat, elevated landform that rises sharply above the surrounding area on at least one side

Question 6

Welded Tuff

Answer 6

is a pyroclastic rock, of any origin, that was sufficiently hot at the time of deposition to weld together

Question 7

What is an Amygdale

Answer 7

a vesicle in a volcanic rock, formed from a bubble of escaping gas, that has become filled with light-coloured minerals, such as quartz and calcite Also called amygdule.