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What is the protolith of soapstone?
The protolith of soapstone is usually ultramafic rocks such as serpentinite or peridotite. These rocks undergo metamorphism due to high heat and pressure, resulting in the formation of soapstone.
What is the mineral composition of serpentinite?
none is really sure
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.
Are kimberlite lamproite and serpentinite volcanic pipes common in California?
Volcanic pipes such as kimberlite and lamproite are not common in California. Serpentinite, a metamorphic rock derived from oceanic crust, is more widespread in California due to the state's complex geology and history of subduction. However, actual volcanic pipes are rare in the state.
Is soapstone regional or contact metamorphism?
Soapstone forms through regional metamorphism, which occurs over large areas and at high pressures and temperatures. It is mainly composed of talc, which forms from the metamorphism of magnesium-rich rocks like peridotite or serpentinite.
What is the protolith of soapstone?
The protolith of soapstone is usually ultramafic rocks such as serpentinite or peridotite. These rocks undergo metamorphism due to high heat and pressure, resulting in the formation of soapstone.
Is talc a metamorphic sedimentary or igneous?
Talc is a metamorphic rock. It forms when rocks rich in the mineral talc, such as peridotite or serpentinite, undergo metamorphism under high temperature and pressure conditions.
What is the mineral composition of serpentinite?
none is really sure
Is talc intrusive or extrusive rock?
Talc is formed from the metamorphism of magnesium-rich rocks, such as serpentinite. It is classified as a metamorphic rock, which means it is formed under intense heat and pressure deep within the Earth's crust. Therefore, talc is considered an intrusive rock.
What are the 4 types of metamorphism?
contact metamorphism, regional metamorphism, dynamic metamorphism
What is serpentinite?
Serpentinite is a metamorphic rock that forms when peridotite, a type of ultramafic rock, comes into contact with water and undergoes a chemical reaction. It is characterized by its green color and often has a shiny appearance due to the presence of serpentine minerals. Serpentinite is commonly found in areas where tectonic plates collide, such as subduction zones.
What metamorphic rock contains minerals with brilliant color and is easy to carve?
serpentinite
Why are people not allowed to touch serpentinite rocks?
Serpentinite can contain the mineral Chrysotile, also known as white asbestos. Asbestos is carcinogenic (cancer causing) and can also if inhaled cause serious lung problems and is best avoided!
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.
Is serpentinite rock extrusive or intrusive?
Serpentinite is typically formed from the alteration of ultramafic rocks (like peridotite) through hydration and metamorphism. These ultramafic rocks are usually found deep within the Earth's crust and are considered intrusive rocks. So, serpentinite is formed from an intrusive rock and is not considered either extrusive or intrusive itself.
What are the types of rock metamorphism?
The main types of rock metamorphism are contact metamorphism, regional metamorphism, and dynamic metamorphism. Contact metamorphism occurs when rocks are altered by heat and pressure from nearby magma. Regional metamorphism happens on a larger scale due to tectonic forces and deep burial. Dynamic metamorphism results from intense pressure along fault lines.
