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"Acid", high-silica magma formed from subducted ocean-crust partially melting and reacting with the continental crust through which it is rising. The granite end of the igneous-rock spectrum. Creates very violent eruptions of highly-viscous lava rich in steam and gas from wet sediments dragged down with the subducting plate. (Mount St. Helens, Krakatoa etc.)
"Basic" - lower-silica mantle-derived rock extruded from constructive plate margins and above intra-plate mantle convection columns. The Basalt family. Low viscosity, relatively gentle eruptions. (Hawaii, Iceland, etc.)
There are large differences in chemical and physical composition, grading from one to another through a bewildering range of igneous rock types.
What else can I help you with?
When equal amounts of a basaltic and granitic magma mix what is the resulting magma?
basaltic
Lava is a type of magma but not all magma is lava?
Magma is molten rock beneath the Earth's surface, while lava is magma that reaches the surface through a volcano or fissure. So, while all lava was once magma, not all magma will reach the surface as lava.
Is magma a explosive eruption and why?
Magma is not an eruption. Magma is a mixture of molten minerals and dissolved gas that is underground. All volcanic eruptions, apart from phreatic eruptions, involve magma.
A sentence using the word magma?
"The magma from the great volcano completely annihilated all in the settlement below."
Is. magma is melt rock that has come to the surface?
No! First of all, magma is below the surface and it is molten material.
What does all silica in magma mix with?
Oxygen.
What rock melts into magma?
all rocks do
What is the origin of all igneous rock?
All igneous rock is formed from solidified magma or lava.
How do you open magma cave hideout?
You get the magma emblem from mt.pyre and after you have beaten all team aquas the old lady should give you a magma emblem. After that go to the lift and go down all the ditches and it should open.
Where do you go after Mossdeep City?
well, you follow route 26 and look for the team magma recruits. once you find them they will lead you into a cave. battle all of the magma grunts and once you have beaten all of them you will go on to battle the team magma executive. if you beat him all of team magma will retreat and you can pass through to willowsberg. hope this helped D
What is the primary source of all rock material?
magma
Which is the origin of all igneous rock?
Magma or lava.
