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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.
Were there times in metallurgy grew slowly or quickly?
my pp
Does wulfenite form slowly or quickly?
maybe sometimes i like pie and jose
What property describes how quickly or slowly a liquid flows down an incline?
gravity,pitch,and resistance
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.
What rocks cool slowly?
coarse grained and porphyry rock
Did granite cool slowly or quickly?
SLOWLY
Does Dunite cool quickly or slowly?
slowly
Does the biotite rock cool quickly or slowly?
slowly
Does the rock gabbro cool quickly or slowly?
slowly
Did the diorite rock cool quickly or did it cool slowly?
yes
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
Do intrusive rocks cool quickly?
No. Usually very slowly.
What is the term when magma cool slowly then cools quickly?
I cant tell!
Does an Extrusive Rock cool slowly?
Cools quickly, relative to intrusive igneous rock which cools slowly underground.
Does andesite cool quickly or slowly?
Lava will cool quickly compared to underground magma.
