Magama Flashcards
1
Q
What materials will deep magma contain
A
Iron and magnesium
2
Q
Flux magma
A
Magma mixing with minerals
3
Q
What are the three different types of magma?
A
Magic magma
iItermediate magma
Felsic magma
4
Q
What are the characteristics of mafic magma
A
Low silica content High iron and magnesium content Low viscosity Mean temperature 1000 2000° C Examples of lava = basalt lava - Hawaii
5
Q
What are the characteristics of Intermediate magma
A
High silica content Mixture of silica rich crustal rock, seafloor sediment and mantle rock Temperature 800° - 1000 High gas content and viscosity Builds up pressure
6
Q
What are the characteristics of felsic magma
A
Highest silica content
High gas and viscosity
Lowest mean temperature 650 C- 800 C
Explosive and destructive - builds up pressure
7
Q
Magma varies depending on its source what would surface Magma contain?
A
Silica feildspar water and gas
