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Coal felsic or mafic?

Neither. The terms mafic and felsic apply to silicate igenous rocks. Coal is neither igneous nor is it composed of silicates. Coal is an organic sedimentary rock.


Is coal mafic or felsic?

Coal is neither mafic nor felsic, as these terms are typically used to describe igneous rocks based on their silica content. Coal is a sedimentary rock that forms from the accumulation and burial of plant material.


Is rock salt felsic or mafic?

Rock salt is neither felsic nor mafic. It is a type of sedimentary rock composed primarily of halite (or sodium chloride) minerals. Felsic and mafic are terms used to describe igneous rocks based on their silica content and mineral composition.


What two rocks type are niether felsic nor mafic?

The two rock types that are neither felsic nor mafic are ultramafic and intermediate. Ultramafic rocks contain very low silica content and are primarily composed of olivine and pyroxene, while intermediate rocks have a silica content between that of felsic and mafic rocks, typically consisting of a mix of plagioclase feldspar and amphibole. Examples of ultramafic rocks include peridotite, and examples of intermediate rocks include andesite.


Minerals in igneous rock?

Felsic rocks mostly contain silicates such as feldspars and quartz, mafic rocks are ferrromagnesian, containing mostly pyroxene and olivine, ultramafic rocks only contain pyroxene and olivine, and rocks neither felsic nor mafic mostly contain plagioclase feldspar, biotite mica, and amphibole.


Where does appinite fit in the classification of plutonic rocks?

Appinite describes intrusive igneous rocks that are rich in the hornblende series amphiboles and are thus mafic to ultramafic (rich in magnesium and iron). Appinites are ultrapotassic meaning that their feldspars are enriched with potassium relative to sodium, and they are uncommon, typically forming in plutons at considerable depth. Appinite is a subset of lamprophyre, and as such it does not readily fit into established classification schemes. The unusual mineralogy and geochemistry of lamprophyres has led researchers to place them in a separate class. Historically, lamprophyre became a catchall category for rocks of various geneses that were difficult to categorize since they were defined neither by their quartz content nor their origin. The debate is ongoing.


When must you use nor and when to use neither?

Neither, then nor; eg neither Jack nor John can ski.


What word goes with neither?

It is neither nor and either or. So, in a sentence, "he is neither funny, nor smart"


Why it is said that the rock cycle has neither beginning nor an end?

When the rocks heat and cools with the correct pressure to make igneous rocks to metamorphic rock and metamorphic rock to sedimentary rock


Why is it said that rock cycle has neither a beginning nor an end?

When the rocks heat and cools with the correct pressure to make igneous rocks to metamorphic rock and metamorphic rock to sedimentary rock


When to use neither nor?

We use neither nor when we have to say two things that have not happened. Like neither me nor my friend was allowed to take the ride.


Can you make a sentence using neither and nor?

yes....Neither I nor him, knew she was capable of such