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The mineralogy of basalt is characterized by a preponderance of calcic plagioclase feldspar and pyroxene. Olivine can also be a significant constituent.

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jkw8886

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What is the chemical composition of basalt?

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What has a more felsic composition rhyolite or basalt?

Rhyolite has a more felsic composition than basalt.


Which intrusive and extrusive rocks have the same chemical composition?

Intrusive: Extrusive Equivalent Granite: Rhyolite Diorite: Andesite Gabbro: Basalt


What is the igneous rock between granite and basalt?

Andesite is considered an intermediate rock between granite (felsic igneous rock) and basalt (mafic igneous rock), based on chemical composition.


The mineral composition of the oceanic crust is similar to the composition of what rock?

The mineral composition of the oceanic crust is similar to the composition of basalt rock. Basalt is a type of volcanic rock that contains minerals such as feldspar, pyroxene, and olivine, which are also commonly found in the oceanic crust.


Which igneous rock has the same chemical composition as basalt but a different grain size?

Gabbro has the same chemical composition as basalt (both are mafic rocks) but differs in grain size. Basalt has fine-grained crystals due to rapid cooling at the Earth's surface, while gabbro has coarse-grained crystals as it cools slowly beneath the surface.


What is the lava composition for surtsey?

The magma and lava of Surtsey has a composition of alkali Olivine Basalt.


Does rhyolite have a more mafic composition than basalt?

Rhyolite is not a mafic rock, but a felsic rock, high in silicates, and similar to granite in composition.


Peridotite is composed almost entirely of dark sillicate mineralsits chemical composition is referred to as?

Peridotite is composed almost entirely of dark silicate minerals, primarily olivine and pyroxene. Its chemical composition is referred to as ultramafic, containing high levels of magnesium and iron.


What chemical property is most commonly used to classify igneous rock?

The mineral composition (silica content) is the chemical property most commonly used to classify igneous rocks. This can help differentiate between different types of igneous rocks, such as basalt, andesite, and granite.


Is probably closest in chemical composition to the upper mantle?

The Earth's upper mantle is composed mainly of silicate minerals rich in magnesium and iron, such as olivine and pyroxene. Basalt is a type of volcanic rock that is commonly found in the upper mantle and has a similar chemical composition to the rocks in the upper mantle.


What is the composition and appearance of mars surfaces crust?

It has basalt and many others.