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Is Kaolinization process occurs due to hydrothermal alteration of feldspar?
Wiki User
∙ 14y ago
No, It is through the process of Hydration. While hydration is an exothermic process(i.e heat is given out) hydrothermal process is endothermic.
Wiki User
∙ 14y ago
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Is feldspar mixing with acidic groundwater and producing clay minerals chemical or weathering?
This is a chemical process.
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 type of rock is sandstone?
Clastic sedimentary. Classification of rocks are based upon three types: geological process, ... or sedimentaryrocks (fragmental rocks) are sandstone, laterite, sand, ... Sandstone (sometimes known as arenite) is a clastic sedimentary rock composed mainly of sand-sized minerals or rock grains. Most sandstone is composed of quartz or feldspar because these are the most common minerals in the Earth's crust.
What happens when particles and gas molecules in the atmosphere reflect and bend solar rays?
The process of scattering occurs when small particles and gas molecules diffuse part of the incoming solar radiation in random directions without any alteration to the wavelength of the electromagnetic energy. This factor also causes our sky to look blue because this color corresponds to those wavelengths that are best diffused. If scattering did not occur in our atmosphere the daylight sky would be black.
Is a landslide a quick process or slow process?
It is a fast process.
What name is given to the process where hot mixtures of water and dissolved substances react with existing minerals to form minerals?
Hydrothermal alteration.
What is hydrothermal alteration?
Hydrothermal Alteration involves the movement of super-hot geothermal water laden with minerals in solution through rocks. This action causes a mineral change to occur. The process is often associated with proximity to magma chambers or occurs during metamorphism. One of the best examples of this process is found in granite where the feldspars are sometimes altered to kaolinite (china clay)Source :Deblij, H.J. et. al., Physical Geography: The Global Environment. Oxford University Press. Ontario, Canada. 2009. pg 403.
The difference between solvothermal and hydrothermal technique?
Solvothermal and hydrothermal techniques are used to produce chemical compounds but the minor difference is that in hydrothermal technique,the precursor solution is usually not aqueous(However,this is not always the case).Also,the solvothermal route gains one the benefits of both sol-gel process and hydrothermal process.
Which mineral does not show alteration?
Quartz does not show alteration. Micas in themselves are alteration minerals. They form out of an alteration process... (Trust the geologist, not the amateur) This is wrong: well i think that it is mica that is the only one that shows no alteration
What does a hydrothermal gem stone mean?
Hydrothermal relates to the action of water under the conditions of high temperature, especially in the forming of rocks and minerals. This means the process of the change of the structure of the rock, caused by the heat - a metamorphic process
How is feldspar formed?
. Feldspar is formed throught a process in witch immense heat and pressure over a mperiod of time turns to a mineral. This process usually happens in the mantle. The mineral can also form in natural places, and it makes up 60% of Earths crust. Feldspar can be formed almost anywhere.
Is spoiled eggnog is a chemical or physical change?
Alteration is a chemical process.
When potassium feldspar is weathering by water into kaolinite the process is called what?
Chemical weathering.
What organisms produce hydrothermal vents?
Bacteria. It uses the process called chemosynthesis to produce glucose.
Many algae switch back and forth between diploid and haploid stages during their life cycle in a process known as?
Alteration of generations. Now quit cheating on your biology homework. (;
Is feldspar mixing with acidic groundwater and producing clay minerals chemical or weathering?
This is a chemical process.
What is metasomatic?
Metasomatism is part of the process the rocks undergo when they change from one form to another. It comes after the recrystallization and neomorphism processes. It is the chemical alteration of a rock by hydrothermal fluids. Broadly, reaction of rock/minerals with hot water A form of metamorphism -Most metamorphism is closed system -Metasomatism is an open system •Reacts with volatiles, removes solubles •Serpentinization •Skarns
