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In the mantle.
One example is diamonds, it is believed that natural diamonds form deep in the mantle (probably near the boundary with the liquid outer core) then were carried suddenly through the mantle and crust to near the surface in "kimberlite pipe" volcanic eruptions of deep mantle magma. As the volcano later erodes exposing the kimberlite pipe at the surface, diamond is mined from the rocks and/or are found scattered on the surface in erosion deposits.
What else can I help you with?
If you found a rock with flat mineral grains which rock would it be?
It is likely a type of metamorphic rock, such as schist or gneiss, which form under high temperature and pressure conditions leading to the alignment of mineral grains into flat layers.
Under what condition would water be considered a mineral?
Water would be considered a mineral if it meets the criteria set by the International Mineralogical Association, which include being naturally occurring, inorganic, solid at standard temperature and pressure, and possessing a crystalline structure. Pure water would not be considered a mineral, but certain types of mineral deposits that contain water molecules are recognized as minerals in the geological context.
Is diamond a metamorphic rock why?
Diamond is not a metamorphic rock. It is a mineral composed of carbon that forms under high pressure and temperature in the Earth's mantle. Diamonds are then brought to the surface through volcanic activity.
Is not an property of an index mineral?
forms only in a sedimentary rock
What would happen if fluorine and neon came together?
Under standard conditions of temperature and pressure, nothing.However under conditions of unusually high temperature and pressure a metastable compound neon fluoride can form.
How does amethysts form?
Silicon dioxide (SiO2) is the chemical composition of amethyst. It is a mineral which is formed like anyother mineral under the earths crust due to heat and pressure.
If you found a rock with flat mineral grains which rock would it be?
It is likely a type of metamorphic rock, such as schist or gneiss, which form under high temperature and pressure conditions leading to the alignment of mineral grains into flat layers.
Is a diamond metamorphic rock?
Diamond is a mineral that can only form under certain conditions of heat and pressure. Although it will appear in metamorphic rock, it is not itself a metamorphic rock, but a mineral.
When limestone is heated under pressure what does it form?
When limestone is heated under pressure, it forms marble. This process, known as metamorphism, occurs when the mineral calcite in the limestone recrystallizes into the interlocking calcite crystals that compose marble.
Under what condition would water be considered a mineral?
Water would be considered a mineral if it meets the criteria set by the International Mineralogical Association, which include being naturally occurring, inorganic, solid at standard temperature and pressure, and possessing a crystalline structure. Pure water would not be considered a mineral, but certain types of mineral deposits that contain water molecules are recognized as minerals in the geological context.
Does crystals of a mineral come always in the same size?
The crystals will always form according the geometric parameters of the mineral crystal system to which they belong, but the size of the crystals varies depending on the environment in which they form.
Where are the silicale mineral forms?
Most silicate minerals form from molten rock as it cools. Still other silicates form from weathered silicates at Earth's surface, while others form under extreme pressure from mountain building.
Is diamond a metamorphic rock why?
Diamond is not a metamorphic rock. It is a mineral composed of carbon that forms under high pressure and temperature in the Earth's mantle. Diamonds are then brought to the surface through volcanic activity.
Is not an property of an index mineral?
forms only in a sedimentary rock
Is magma a example of a mineral that indicates that a metamorphic rock was formed in a great depth and under a extreme heat and pressure?
No, magma itself is not a mineral; it is a molten rock that can crystallize to form igneous rocks. Metamorphic rocks, on the other hand, form from existing rocks (igneous, sedimentary, or other metamorphic rocks) under extreme heat and pressure, typically deep within the Earth. The presence of certain minerals, such as garnet or kyanite, can indicate the conditions of high pressure and temperature during metamorphism.
Is water a minaral?
Under the accepted definition of a mineral, water is not a mineral in its liquid or vapor forms, but it is in its solid form.
How do you think the hardness and density of a mineral that form through metamorphism would compare to a mineral that form through evaporation?
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