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Magma is a mixture of several substances. It generally includes molten and/or semi-molten rock, volatiles such as dissolved gas or gas bubbles, and solids such as suspended. crystals. It is found beneath the surface of the earth.
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∙ 9y ago
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What is the average composition of rocks comprising a large composite cone or stratovolcano?
The average composition of rocks comprising a large composite cone or stratovolcano is andesitic magma. It is the intermediate type between basaltic and dacitic magma.
Do granite and rhyolite have the same chemical composition?
They are roughly the same. If they are from the same source of magma, they could be nearly identical in chemical composition.
When do ores form in the process of contact metamorphism?
When magma changes the composition of existing rock.
What are the 3 types of magma?
basaltic magma ,Andesitic magma and Rhyolitic magma
What factors can effect the texture of a igneous rock?
The texture is determined by the rate it takes the molten to cool to form the rock.
What is Sunset Crater's magma composition?
Sunset Crater was fed by basaltic magma.
Why is magma not a mineral?
Magma is not a mineral becauseIt is liquid.It does not have a definite chemical composition.
What type of magma is closer to intrusive rocks?
magma can be classified into two,magma of granitic composition(originates from lower continental crust) and magma of basaltic composition (which originates from upper mantle).Both can form intrusive rocks.
Which factors determine how violent an eruption will be?
· It is determined by the primary factors of the magma's Temperature, its Composition, and the amount of Dissolved Gases it contains.
What type of volcanic eruption depends on the amount of gases and the composition?
The type of volcanic eruption depends on the amount of gases and the composition of magma. In addition to the composition of the magma, the volcanic eruption depends on the ration of sulfur, carbon dioxide, and water the magma contains.
What is the magma composition of a cinder cone?
bhill
What magma composition does Mt Hekla have?
my swagger
How forceful an eruption is depends on the composition of the?
magma .
What is the magma composition of Galeras?
purple elephants
What about magma affects how explosive an eruption will be?
The composition of the magma affects how explosive a volcanic eruption will be.
What is the lava composition for surtsey?
The magma and lava of Surtsey has a composition of alkali Olivine Basalt.
What type of magma does nevado del ruiz have?
Nevado del Ruiz is a stratovolcano, so the composition of the magma likely varies over time. The tragic eruption of 1985 involved magma of andesite or dacite composition.
