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What controls the grain size of igneous rock?
The cooling rate of magma primarily controls the grain size of igneous rock. Faster cooling results in smaller grains, while slower cooling leads to larger grains. Other factors that can influence grain size include the composition of the magma and the amount of gas or water present during solidification.
How is basalt different from gabbro?
Basalt and gabbro are both igneous rocks, with major differences in grain size and where they form. Basalt has fine-grained crystals and forms from lava flows on the Earth's surface, while gabbro has coarse-grained crystals and forms from magma cooling beneath the Earth's surface.
What type of rock is found in continental crust?
All three rock types are found in continental crust, with a preponderance of granitic type igneous rock.
What is the grain size of an extrusive igneous?
The grain size of an extrusive igneous rock is typically fine-grained to aphanitic, meaning the individual mineral grains are not visible to the naked eye. This rapid cooling at the Earth's surface prevents large crystals from forming, resulting in a fine texture.
What igneous rock is an example of batholith?
An intrusive igneous rock.
What controls the grain size of igneous rock?
The cooling rate of magma primarily controls the grain size of igneous rock. Faster cooling results in smaller grains, while slower cooling leads to larger grains. Other factors that can influence grain size include the composition of the magma and the amount of gas or water present during solidification.
What texture does and extrusive igneous rock have?
fined grain texture
What does it mean for an igneous rock to have fine grain?
it means unfoliated that's my answer
What happens to the grain when igneous rock cools more quickly and solidifies?
it getys harder
What does phaneritic mean?
Phaneritic refers to igneous rock grain size,which is visible with the naked eye.
Are igneous rocks strong?
Igneous rocks have a wide range of strengths depending on factors like mineral composition and cooling history. Some igneous rocks, like granite, can be very strong and durable, while others, like pumice, can be quite weak and easily crumble.
What are the factors that controls most texture in igneous rocks?
The rate of cooling is the main factor that controls texture in igneous rocks. Faster cooling leads to fine-grained textures, while slower cooling leads to coarse-grained textures. Other factors that can influence texture include the mineral composition of the magma and the presence of gases or water vapor during solidification.
How can you determine if a igneous rock has had an intrusive or extrusive origin?
== Grain size. Most intrusive igneous rocks will have visible crystals. Crystals in most extrusive igneous rocks are not easily visible.
Dark course grain intrusive igneous rock simliar to basalt and mineral make up?
Gabbro.
Igneous rock that cools very quickly when it forms may have a texture that is .?
Smooth and shiny with no visible grain.
What grain structure does gneiss have?
Gneiss which is a non-foliated meta-igneous rock is coarse grained in texture.
Is igneous rocks basalt?
Yes, basalt is an igneous rock. it comes from when the volcano erupts. it is the hardened lava. a main factor is silica.
