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Shale is transformed into garnet schist through a process called metamorphism, which occurs under high temperature and pressure conditions typically associated with tectonic activity. During this process, the original minerals in shale, such as clay, recrystallize and align, forming a foliated texture. Additionally, garnet, a common mineral in schist, may form from the chemical reactions occurring during metamorphism, incorporating elements from surrounding minerals. This transition results in a denser, more crystalline rock known as garnet schist.
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What rocks can turn into schist?
Shale
What is garnet schist color and description?
Garnet schist typically has a dark red or burgundy color due to the presence of garnet minerals. It is a foliated metamorphic rock with layers of garnet crystals intermixed with other minerals like mica, quartz, and feldspar. Garnet schist often has a shiny appearance and is commonly used in jewelry and decorative applications.
Where are garnet schist rocks commonly found?
Garnet schist-- as well as mica schist--can be found anywhere where clay rock with some calcite content-- such as siltstone or a mudstone, for example-- can be compressed (via metamorphism) and consequently sqeezed into rock-like layers.
Which metamorphic rocks are likely to contain garnet?
Metamorphic rocks such as schist, gneiss, and some varieties of marble are likely to contain garnet as a common mineral. Garnet often forms in high-grade metamorphic environments where temperatures and pressures are elevated.
The rock type which results from metamorphosed shale is?
Shale can metamorphose into slate, which can metamorphose into phyllite, which can metamorphose into schist, which can metamorphose into gneiss.
How is garnet mica formed?
A Mica Garnet schist is a metamorphic rock formed from a shale or a granitic mother rock when this is squashed and heated at death in the crust.
Is mica garnet and chloride in schist?
Mica and garnet are commonly found in schist. Chloride is not typically found in schist; rather, it is often associated with evaporites or in hydrothermal systems.
Does garnet schist react with hydrochloric acid?
Garnet schist does not typically react with hydrochloric acid, as the garnet in the schist is a stable mineral that is not easily dissolved by acid. Schist is a metamorphic rock composed of minerals like mica, quartz, and feldspar that are generally resistant to chemical weathering.
What rock does schist come from?
shale
What rocks can turn into schist?
Shale
What is garnet schist color and description?
Garnet schist typically has a dark red or burgundy color due to the presence of garnet minerals. It is a foliated metamorphic rock with layers of garnet crystals intermixed with other minerals like mica, quartz, and feldspar. Garnet schist often has a shiny appearance and is commonly used in jewelry and decorative applications.
What is the specific gravity of garnet schist?
The specific gravity of garnet schist can vary depending on the composition and density of the minerals present. On average, the specific gravity of garnet schist is around 2.7 to 3.2. However, it is recommended to measure the specific gravity of a specific sample to get an accurate value.
Mineralisation of schist belt?
Biotite, muscovite, chlorite, talc, garnet, and kyanite are common in schist.
What type of metamorphic rock is garnet found in?
schist
What is the metamorphic equivalent shale?
Slate, after that it can continue to schist.
How does shale become schist?
Shale becomes schist through the process of metamorphism. Heat and pressure from deep within the Earth cause the minerals in the shale to recrystallize, forming new minerals and textures characteristic of schist, such as aligned grains and distinct foliation. This transformation occurs over millions of years at high temperatures and pressures, converting the original sedimentary shale into a metamorphic rock known as schist.
What does schist begin as?
Schist typically begins as a metamorphic rock called shale, which is composed of clay and other fine-grained sedimentary minerals. Through the process of metamorphism, intense heat and pressure cause the minerals in the shale to recrystallize, forming the distinct foliated structure and mineral composition that characterize schist.
