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Which minerals are found in basalt and gabbro?
olivine and pyroxene
Which minerals are found in the igneous rocks gabbro and basalt?
Olivine and Pyroxene
Which mineral is present in much greater quanitites in peridotite than in gabbro?
olivine
Which mineral is present in much greater quantities in peridotite than gabbro?
Olivine
Which is a coarse-grained igneous rock composed of mainly pyroxene plagioclase feldspar and olivine?
Gabbro.
How much gabbro is in olivine?
Olivine does not contain Gabbro. Gabbro can contain olivine. Usually no more than a few percent.
Which minerals are found in basalt and gabbro?
olivine and pyroxene
Which minerals are found in the igneous rocks gabbro and basalt?
Olivine and Pyroxene
Which mineral is present in much greater quanitites in peridotite than in gabbro?
olivine
Which mineral is present in much greater quantities in peridotite than gabbro?
Olivine
Does Gabbro and granite have a similar mineral composition and texture?
the textures are similar yes but gabbro is made up of calcite and olivine while granite contains biotite mica, feldspar, and quartz.
What is the chemical formula for Gabbro?
Gabbro rock is in the same family as Basalt rock and there for has similar chemical composition. Basalt is nearly half composed of silica and has other minerals in much smaller percentages such as titanium dioxide, iron oxide, aluminum and magnesium.
What makes gabbro a rock and not a mineral?
Gabbro is usually made up of minerals such as pyroxene, plagioclase, amphibole and olivine which makes it an intrusive igneous rock.
Which is a coarse-grained igneous rock composed of mainly pyroxene plagioclase feldspar and olivine?
Gabbro.
Which intrusive igneous rock could be composed of 60 percent pyroxene 25 percent plagioclase feldspar 10 percent olivine and 5 percent amphibole?
gabbro
What is an example of a mafic rock?
Mafic rock is an example of igneous rock which is dominated by olivine, silicates pyroxene, mica, and amphibole. Common mafic rock samples are basalt and gabbro.
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.
