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Basalt is most probably what you are looking for.
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∙ 12y ago
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Is a gabbro a intrusive rock or a extrusive rock?
it is an intrusive igneous rock with composition equivalent of basalt.it is dark colored due to high concentration of dark minerals;olivine,biotite,hornblende.
Are dark-colored igneous rocks rich in iron and magnesium?
Dark, mafic rock is relatively rich in iron and magnesium.
What does silver look like in rocks?
Black to dark Grey, in most cause, though very rare to fine silver seams !
What is ignatius rock?
Noun 1. igneous rock - rock formed by the solidification of molten magma rock, stone - material consisting of the aggregate of minerals like those making up the Earth's crust; "that mountain is solid rock"; "stone is abundant in New England and there are many quarries"andesite - a dark grey volcanic rockaplite - light-colored and fine-grained granitic rock consisting chiefly of quartz and feldsparsgroundmass - (geology) the matrix of fine-grained crystalline material in which larger crystals are embeddedadesite - dark greyish extrusive rockbatholite, batholith, pluton, plutonic rock - large mass of intrusive igneous rock believed to have solidified deep within the earthdiorite - a granular crystalline intrusive rockgabbro - one of a family of granular intrusive rockspegmatite - a form of igneous rock consisting of extremely coarse granite resulting from the crystallization of magma rich in rare elementsperidotite - a dark coarse-grained igneous rock consisting principally of olivinerhyolite - very acid volcanic rockvolcanic rock - extrusive igneous rock solidified near or on the surface of the Earthporphyritic rock, porphyry - any igneous rock with crystals embedded in a finer groundmass of mineralssodalite - a vitreous mineral consisting of sodium aluminum silicate and sodium chloride in crystalline form; occurs in igneous rocks
What igneous rock is dense and has dark color?
aids
What is a dark greenish gray extrusive igneous rock called?
Bogey
Why are extrusive rocks dark in color?
Extrusive igneous rocks have elements like Fe, Mn, etc that oxidize in the atmosphere to give it a dark color.
What are dark colored often extrusive igneous rocks containing iron magnesium or calcium?
They are referred to as mafic, a word representing their magnesium and iron content.
What is a dark fine grained rock called?
They are rocks formed from lava at or near the surface. Basalt is a typical fine-grained extrusive igneous rock, composed of mineral crystals that require magnification to see. The fine-grained texture is due to rapid solidification of the lava which leaves little time for large mineral crystal formation.
What is dark fine-textured rock?
Could be basalt, an extrusive igneous rock.
What property is common to most dark-colored igneous rocks?
Most dark-colored igneous rocks have a high density.
What property is common to most dark colored igneous rocks?
Most dark-colored igneous rocks have a high density.
Why are dark igneous rocks heaver then light igneous rocks?
Dark igneous rocks usually have higher amounts of heavier elements such as iron. Light-colored igneous rocks tend to be richer in lighter elements like sodium and aluminum.
Why are some igneous rocks dark and why are some dark?
i dont no
Light-colored igneous rocks are less what than dark-colored igneous rocks are?
less dense
How does the density of a light colored igneous rock differ from that of a dark colored igneous rock?
Normally, light colored igneous rocks are less dense compared to dark colored igneous rocks. This is because the light colored rocks have a less iron in them.
What is dark colored rocks called?
igneous
