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What is possible origin of porpyry?
The variety of igneous rock that is called porphyry is usually formed when sections of magma rise up from the Earth's mantle and cool down. As the magma slowly cools down in the crust, large crystals are created (phenocrysts). Then the magma cools far more quickly as it is ejected through the crust, for example, in a volcanic eruption. This fast cooling freezes any new crystals into solid rock, which prevents them from becoming large. These large and small crystal grains are characteristic of porphyry rocks. The links below describe the origin of porphyry deposits in detail.
What property describes how quickly or slowly a liquid flows down an incline?
Viscosity is the property that describes how quickly or slowly a liquid flows down an incline. Liquids with high viscosity flow slowly, while liquids with low viscosity flow quickly.
How can I make water cool quickly?
To cool water quickly, you can place it in the refrigerator or add ice cubes to it. Stirring the water can also help it cool faster by distributing the cold temperature more evenly.
Why KMnO4 is added slowly in titration?
Potassium permanganate (KMnO4) is added slowly in titrations because it is a strong oxidizing agent that reacts quickly and vigorously with many compounds. By adding it slowly, you can control the reaction rate and prevent over-titration, ensuring accurate results. Additionally, adding it slowly allows for better observation of color changes that signal the endpoint of the titration.
What is Anealing of steel?
Annealling means to heat and then cool (as steel or glass) usually for softening and making less brittle ; also: to cool slowly usually in a furnace. Hardened steel is steel that has been heated and quickly quenched in water or oil. This process makes it harder and stronger. If this steel is exposed to high heat, then it is said to be annealed and has lost some of its strength.
Does Dunite cool quickly or slowly?
slowly
Is porphyry extrusive or intrusive?
Porphyry can be either extrusive or intrusive. Extrusive porphyry forms from lava that cools quickly on the Earth's surface, while intrusive porphyry forms from magma that cools more slowly beneath the surface. Both types of porphyry have distinctive large crystals (phenocrysts) embedded in a fine-grained matrix.
Does the biotite rock cool quickly or slowly?
slowly
What property of a surface determines how quickly or slowly it will heat and cool?
The thermal conductivity and color of a surface determines how quickly or slowly it will heat and cool
How fast does porphyry cool?
very slowley
What is the term when magma cool slowly then cools quickly?
I cant tell!
Does andesite cool quickly or slowly?
Lava will cool quickly compared to underground magma.
What rocks cool slowly?
Igneous rocks like granite cool slowly because they form deep underground where there is less heat loss, allowing the minerals time to crystallize and grow. This slow cooling process results in larger mineral grains and a coarse-grained texture in the rock.
Do intrusive rocks have large crystals because they cool quickly?
No. Intrusive igneous rocks have large crystals because they cool slowly.
What happens if you cool salt water to quickly or to slowly after heating it?
im not sure but can you people help me
Do metamorphic rocks cool slowly?
Most do, however some do not, for instance a pseudotachylyte cools quickly.
Why does andesite cool slowly?
Andesite cools quickly because it forms from material erupted onto the surface, and so is composed to a cool environment.
