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Lava domes are large geological features created by rhyolitic magma. Rhyolitic magma promotes plinian eruptions. Plinian eruptions can happen very quickly and shoot lave several miles into the air.
Magma is formed by the heating and cooling of the Earth's crust. Sediment is formed by the soil that is moved downstream from the source of a river to the mouth of the river and the resulting delta.
No. Although chemical changes can occur as part of the eruption, it is for the most part a physical process.
magma mixing
Melting is the process in the rock cycle that causes magma to form.
by magma
The rock cycle describes how rocks are formed, and how they change to sedimentary rock, to metamorphic rock, to magma, to igneous rock, to sediment, and back to sedimentary rock.
Regional Metamorphism
When magma gathers and cools underground, it is called a plutonic event.
Lava domes are large geological features created by rhyolitic magma. Rhyolitic magma promotes plinian eruptions. Plinian eruptions can happen very quickly and shoot lave several miles into the air.
Magma is formed by the heating and cooling of the Earth's crust. Sediment is formed by the soil that is moved downstream from the source of a river to the mouth of the river and the resulting delta.
A geological hot spot is where hot magma rises from the earth's mantle, which creates volcanic activity.
No. Although chemical changes can occur as part of the eruption, it is for the most part a physical process.
Igneous rocks can change into metamorphic rocks from great heat and pressure as all other rocks can, melt into magma, the molten rock, and erode into sediment, which are rock fragments.
Volocanology is the study of volcanoes, lava, magma, and related geological and geophysical phenomena.
magma mixing
A rock cycle starts off as magma. Then as the magma cools, crystals form, and eventually the magma solidify into igneous rocks. The process breaks down into sedimentary rocks. The processes change a pre-existing igneous or sedimentary rock into a new rock called metamorphic rocks, then it melts into magma and the process starts all over.