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What 2 things must increase for metamorphism to occur?
For metamorphism of rock to occur temperature and pressure must increase. Rocks created in this manner are called metamorphic rocks.
Does regional metamorphism occur under volcanoes?
Yes they do occur under volcanoes
How was talc formed?
Talc is formed by the hydrothermal alteration of ultrabasic rocks, or low grade thermal metamorphism of siliceous dolomites.
What state is metamorphic rock formed in?
Metamorphism is the name of the process (of heat and pressure) that causes the chemical; and therefore mineralogical; properties of a rock to change. Marble (changed from limestone) may represent the lowest grade of metamorphism, whilst the schists are a more common higher grade of that same process. At the extreme, the rocks will melt, but that is considered beyond the definition of metamorphism, for it will change the actual chemical nature of the rock. So - it is the application of heat and pressure; perhaps accompanied by shear; that are the metamorphic change agents. Usually caused by deep burial.
Why would you expect to find different types of metamorphic minerals at increasing distances away from the margin of a large igneous intrusion?
The metamorphism will occur in a zone around the intrusion. The metamorphism will be strongest at points closest to the intrusion and weakest at the point farthest from the intrusion. Heat is causing the rock to metamorphose; the intensity of heat will determine the mineralogy of the rock.
What are the 4 types of metamorphism?
contact metamorphism, regional metamorphism, dynamic metamorphism
If metamorphism occurs due to heat generated by magma it is called metamorphism?
It is called contact metamorphism.
Which kind of metamorphism occurs next to an intrusion of molten magma?
Contact metamorphism occurs next to an intrusion of molten magma. This type of metamorphism happens when hot magma comes into contact with existing rock, causing the rock to undergo changes in mineralogy and texture due to the heat and pressure.
What are the Three types of metamorphism?
contact metamorphism, regional metamorphism, dynamic metamorphism
What is the difference between contact and metamorphism?
Contact metamorphism is metamorphism that happens when preexisting rock comes in contact with a molten rock or magma and it melts locally.Regional metamorphism is metamorphism happens when two plates collide the plate that subducts can melt by the heated area.
How is contact metamorphism different. from regional metamorphism?
contact metamorphism is what happens when something is really hot. regional metamorphism on the other hand involves much larger packages of rocks.
What is a zone of contact metamorphism called?
A zone of contact metamorphism is called an aureole.
How does Burial metamorphism differ from Regional and Contact metamorphism?
Burial metamorphism differs from regional and contact metamorphism in that it is the result of rocks being buried deeper into the earth's crust through tectonic movements.
Metamorphism that occurs because of close proximity to a mass of magma is called?
Contact metamorphism is what occurs because of close proximity to a mass of magma.
What are the types of rock metamorphism?
Types of metamorphism are Contact Metamorphism Regional Metamorphism Cataclastic Metamorphism Hydrothermal Metamorphism Burial Metamorphism Shock Metamorphism (Impact Metamorphism)
What are the four types of metamorphism?
The four types of metamorphism are contact metamorphism, regional metamorphism, dynamic metamorphism, and hydrothermal metamorphism. Contact metamorphism occurs near igneous intrusions, regional metamorphism happens over large areas due to tectonic forces, dynamic metamorphism occurs along fault zones, and hydrothermal metamorphism involves hot, circulating fluids altering rocks.
Compare and contrast contact metamorphism and regional metamorphism.?
Contact metamorphism is the process of forming rocks from the heat of magma intrusion. Regional metamorphism, meanwhile, is the process of forming rocks by pressure and heat at plate boundaries.
