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Q: How do chemically active fluids affect metamorphism?
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What are three main agents of metamorphism?

Heat, Pressure, and Chemically active fluids.


The primary agent of contact metamorphism is?

The primary agent of contact metamorphism is heat. Pressure and chemically active fluids are also very important in this process.


What is the difference between metamorphic and metamorphism?

Weathering is the decomposition of earth rocks, soils and their minerals through direct contact with the planet's atmosphere. Metamorphism is the solid-state recrystallisation of pre-existing rocks due to changes in heat, pressure, and/or introduction of fluids. SImply put, weathering is the break down of rock (wear and tear) and Metamorphism is rock changing due to Heat,Pressure, and Chemically active fluids


What are two agents of metamorphism?

Heat, Pressure, and Chemically active fluids.


What are the Three types of metamorphism?

contact metamorphism, regional metamorphism, dynamic metamorphism


What is a Product of heat temperature and chemical fluids?

Metamorphism


What are metamorphic agents?

Hot water rising through cracks, chemically active fluids, pressure from overhead rocks.


Where do metamorphic processes take place?

Metamorphic processes or Metamorphism can takes place anywhere, be it above or below the Earths surface, as long as their is a change in the physicochemical (structural and minerological) conditions different from that under which the rocks were originally formed. And this could be as a result of adjustment of solid rocks to increased temperature, pressure and/or chemical activities (chemically active fluids).


What changes when hot fluids migrating into and out of a rock during metamorphism?

grade


When hot fluids migrate into and out of a rock during metamorphism what will change?

grade


What is the major difference between metamorphism and metasomatism?

Metamorphism is the solid-state recrystallization of pre-existing rocks due to changes in physical and chemical conditions, primarily heat, pressure, and the introduction of chemically active fluids. Mineralogical, chemical and crystallographic changes can occur during this process. Changes at or just beneath Earth's surface due to weathering and/or diagenesis are not classified as metamorphism.Three types of metamorphism exist: contact, dynamic and regional. Metamorphism produced with increasing pressure and temperature conditions is known as prograde metamorphism. Conversely, decreasing temperatures and pressure characterizeretrograde metamorphism.Metasomatism is the chemical alteration of a rock by hydrothermal and other fluids. Metasomatism can occur via the action of hydrothermal fluids from an igneous or metamorphic source.In the igneous environment, metasomatism creates skarns, greisen, and may affect hornfels in the contact metamorphic aureole adjacent to an intrusiverock mass. In the metamorphic environment, metasomatism is created by mass transfer from a volume of metamorphic rock at higher stress andtemperature into a zone with lower stress and temperature, with metamorphic hydrothermal solutions acting as a solvent. This can be envisaged as the metamorphic rocks within the deep crust losing fluids and dissolved mineral components as hydrous minerals break down, with this fluid percolating up into the shallow levels of the crust to chemically change and alter these rocks.Because metasomatism is a mass transfer process, it is not restricted to the rocks which are changed by addition of chemical elements and minerals or hydrous compounds. In all cases, to produce a metasomatic rock some other rock is also metasomatised, if only by dehydration reactions with minimal chemical change.


What are the three main types of metamorphism Compare and contrast the factors that cause each type?

The three main types of metamorphism are: Regional Metamorphism Contact Metamorphism Hydrothermal metamorphism Regional metamorphism is caused when high temperature and pressure affect large regions of Earths crust, It can range from low grade to high grade. It causes folded rock layers. Contact Metamorphism is when molten material comes in contact with solid rock. High temperature and moderate to low pressure from mineral assemblages. Metamorphic effects decrease with distance. Hydrothermal Metamorphism is when very hot water reacts with rock and alters its chemical and mineral composition. As hot fluids migrate in and out of the rock during metamorphism the original mineral composition and texture of the rock change.