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Q: What igneous rock becomes more mafic but they also become?
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What causes igneous rocks to get darker?

Igneous rocks get darker as a result of higher concentrations of dark minerals like mafic minerals (e.g., biotite, amphibole, pyroxene) and higher levels of iron and magnesium. These minerals are more abundant in mafic igneous rocks, leading to their darker coloration compared to felsic igneous rocks, which have lower levels of these dark minerals. Heat also plays a role in darkening certain minerals through processes like metamorphism.


What is composition of acidic igneous rocks?

Acidic igneous rocks, also known as felsic rocks, are composed primarily of light-colored minerals such as quartz, feldspar, and mica. These rocks have a high silica content and typically have a lower iron and magnesium content compared to mafic rocks. Examples of acidic igneous rocks include granite and rhyolite.


How are light colored igneous rocks different?

Light colored igneous rocks have a higher silica content and are known as felsic rocks. They have a lower density and are more common in continental crust. These rocks tend to be rich in minerals like quartz, potassium feldspar, and muscovite.


Do you expect Sc2O3 to react when the solution becomes acidic or when it becomes basic?

It is expected that the chemical will become reactive as it becomes basic. It may also react when it becomes acidic.


How do igneous rocks can become sedimentary metamorphic and igneous rocks?

Igneous rocks can transform into sedimentary rocks through weathering and erosion, which breaks down the igneous rock into sediments that are then compacted and cemented together. Igneous rocks can also undergo metamorphism due to heat and pressure, resulting in the formation of metamorphic rocks. Igneous rocks can also melt and be recrystallized to form new igneous rocks through cooling and solidification.

Related questions

Is augite a igneous mineral?

Augite is a type of pyroxene. It is a common mafic-intermediate igneous mineral, but can also be found in some metamorphic rocks.


What causes igneous rocks to get darker?

Igneous rocks get darker as a result of higher concentrations of dark minerals like mafic minerals (e.g., biotite, amphibole, pyroxene) and higher levels of iron and magnesium. These minerals are more abundant in mafic igneous rocks, leading to their darker coloration compared to felsic igneous rocks, which have lower levels of these dark minerals. Heat also plays a role in darkening certain minerals through processes like metamorphism.


What is a mafic rock and what color is it?

Mafic rocks are igneous rocks that are rich in magnesium and iron minerals. They typically appear dark in color, ranging from black to dark green. Examples include basalt and gabbro.


Igneous rock that contains many dark silicate minerals and that also are rich in magnesium and iron have composition that is?

mafic. Mafic rocks typically have high concentrations of magnesium and iron, as well as dark silicate minerals like pyroxene and olivine. These rocks are commonly found in oceanic crust and volcanic regions.


What two methods are used to group igneous rocks?

Igneous rocks can be either intrusive or extrusive, based on their location upon solidification from magma. Igneous rocks can also be grouped by chemistry and mineral content as felsic, intermediate, or mafic, mainly on the abundance of silicate minerals that are present.


Does an igneous rock always becomes a sedimentary rock?

No. There some very old igneous rocks to be found also it is possible for an igneous rock to become a metamorphic rock. Further, igneous rocks can not be turned into a sedimentary rocks directly. They must first be weathered and eroded and only then their detritus and remnants can be deposited as a new sedimentary deposit.


What is the difference between diabase and diorite?

Diabase is a mafic, fine-grained igneous rock composed mostly of plagioclase feldspar and pyroxene. Diorite is also an igneous rock, but it is intermediate in composition between mafic and felsic, consisting mainly of plagioclase feldspar and amphibole. The main difference lies in their mineral compositions, with diabase containing more pyroxene and diorite containing more amphibole.


Is Santorini volcano mafic?

Santorini volcano has also and mafic rocks.


What is the definition of mafic?

"Mafic" is a term used to describe rocks or minerals that are rich in magnesium and iron, and low in silica content. Mafic rocks are typically dark in color, have a high density, and are associated with volcanic activity. Examples of mafic rocks include basalt and gabbro.


What is the present tense of become?

(I, We, You, They) become. (He, She, It) becomes.


What is composition of acidic igneous rocks?

Acidic igneous rocks, also known as felsic rocks, are composed primarily of light-colored minerals such as quartz, feldspar, and mica. These rocks have a high silica content and typically have a lower iron and magnesium content compared to mafic rocks. Examples of acidic igneous rocks include granite and rhyolite.


What is a dark colored rock with a relatively low silica content?

If it is also an igneous rock, it would be described as a mafic rock, like basalt. There are many other rocks, not necessarily igneous, that would also fit this description.