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Rocks are mixtures and so do not have chemical formulas. Igneous rocks vary in composition, so there is no way of giving a formula.

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11y ago

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What characteristics determines the chemical composition of an igneous rock?

An igneous rock is any crystalline or glassy rock that forms from cooling of a magma. Color and texture help determine the chemical composition of the rock.


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.


What caused rock to become igneous?

Igneous rock becomes sediment due to exposure to chemical and mechanical weathering at or near the surface.


How does igneous rock changes into sedimentery rock?

By weathering either by physical or chemical weathering.


Is dolostone igneous rock?

No, dolostone is not an igneous rock. Dolostone is a sedimentary rock that is primarily composed of the mineral dolomite, which forms through the chemical alteration of limestone.


How Does chemical composition affect the color of igneous rock?

The chemical composition of the rock affects the color of an igneous rockbecause some minerals like quartz change color becasue of t's own


Is phosphate rock an igneous rock?

no, it is actually a chemical!answ2. Phosphate rock is a sedimentary rock.


What is the name of the process that turns hot molten rock into igneous?

Melting! Igneous rock is formed by melting, chemical and physical changes within the melt (magma) then solidifying.


When magma crystallizes what is formed?

When magma crystallizes, igneous rocks are formed. The type of igneous rock that is formed depends on the chemical composition of the magma and the rate at which it cools.


What is the chemical formula for shale?

Shale is a rock not a chemical compound.


What is the diffidence between an igneous rock and sedimentary rock?

An igneous rock is formed when molten rock solidifies. A sedimentary rock is formed when per-existing rocks are broken down by chemical and mechanical weathering and the debris is deposited and squashed together to solidify.


Is sulfur a intrusive or extrusive igneous rock?

Sulfur is a chemical element, not an igneous rock. It is typically found in the molten state within magma beneath the Earth's surface and can be released through volcanic eruptions as part of igneous rocks.