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In theory yes: increasing pressure will increase the melting point mostly (not for ice!).
In practice: it is hardly noticable, not significant at all, for most solid materials.Pressure increases the melting point of rock. The molecules are packed tighter together and thus take more energy to liquefy.
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What happens when the temperature of rock rises above its melting point?
When the temperature of a rock rises above its melting point it turns into magma, usually found in the mantle (found below the Earth's crust).
What are 2 factors that affect the rate of weathering?
The most important factors that determine the rate at which weathering occurs are the type of rock and the climate. Rainfall affects the rate of weathering.
What is the melting point of magma?
Temperatures of most magmas are in the range 700 °C to 1300 °C (or 1292 °F to 2372 °F), but very rare carbonatite melts may be as cool as 600 °C, and komatiite melts may have been as hot at 1600 °C
What do water wind and gravity do to rocks?
Wind can carry abrasive particles which weather rocks . trees can be uprooted by wind, causing the rocks at their roots to fracture. wind can create waves which can fracture or exploit an existing... Water can chemically weather rocks by dissolving minerals, water can also physically weather rocks by fracturing them by hydraulic pressure or frost wedging.
How can you change the density of solid rock?
Melting the rock to its liquid form then re-freezing it into a solid will realign the rock's crystaline structure thereby altering the density.
How does water affect the melting temperature of rock at a convergent boundry?
Water reduces the melting point of rock.
How does the presence of water affect the melting temperature of a rock?
The presence of water lowers the solidus temperature of rocks at a given pressure. It drastically changes the melting temperature by a vast amount.
How does the presence of water affect the melting temperature of rock?
The presence of water lowers the solidus temperature of rocks at a given pressure. It drastically changes the melting temperature by a vast amount.
What affect does the presence of water have on the melting temperature of a rock?
Lowers the melting point. I know this because I am in Advanced Earth Science. :)
How does water affect melting temperature of rock at a convergent boundary?
It doesn't. It does slow the melting of rock, but only because of the specific heat of water. (i.e. you've got to heat the water too.)
How does water affect the melting temperature of rock at a convergent boundary?
It doesn't. It does slow the melting of rock, but only because of the specific heat of water. (i.e. you've got to heat the water too.)
Which two factors affect the temperature that rocks melt at?
The two main factors that affect the temperature at which rocks melt are the composition of the rock and the pressure acting on it. Different minerals have different melting points, so the composition of the rock will determine its melting temperature. Additionally, pressure can increase or decrease the melting temperature of rocks, with higher pressure generally increasing melting temperature and lower pressure decreasing it.
How does decreasing the pressure of the rock affect the temperature at which it melts?
Decreasing the pressure on rock will allow rock to melt at lower temperature. High pressures will raise the melting point of rock.
Is water a contributer to a rock's melting temperature?
Yes. The presence of water can significantly reduce the melting temperature of rock. For example the presence of water and other volatiles in a subducting slab of oceanic crust that acts to significantly reduce the melting temperature of the mantle material above it leading to the formation of magma and the volcanism that is associated with subduction zones.
How does the composition of magma affect the temperature at which it solidifies?
Magma consists of molten rocks and metals. The composition can vary based on presence of water, metals with different melting points, and such.
How does the composition of the magma effect the temperature at which it solidifies?
When fluids such as water combine with rock, the composition of the rock changes, which lowers the melting point of the rock enough to melt it.
What happens when water is added to rock in the mantle?
It causes a lowering of the melting temperature of the material, which in turn can cause partial melting of the mantle material leading to the formation of magma.
