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Is it possible for two igneous rocks to have the same mineral constituents but different names?
Yes, it is possible for two igneous rocks to have the same mineral constituents but different names. This can occur if the rocks have formed under different conditions such as depth of burial, cooling rates, or chemical compositions, which can lead to different textures, structures, and overall classification.
What intrusive igneous rock has the same mineral composition as basalt?
Gabbro is an intrusive igneous rock that has the same mineral composition as basalt. Both rocks are composed primarily of plagioclase feldspar and pyroxene minerals.
Why do igneous rocks that have the same composition sometimes have different sizes of mineral grains?
This is as a result of difference in the rate of cooling of the Igneous rocks.
Can the same mineral form a igneous rock?
yes because it is made of all different minerals
Is biotite a mineral or non-mineral?
Biotite is definitely a mineral. It's in the same family as muscovite, another mineral in the mica family.
How can you get different igneous rocks from the same magma body?
Magma underground may differentiate and form different intrusive igneous rock. Magma from the magma body may erupt, cool, quickly, and form fine-grained extrusive igneous rock, or partially remain underground and form intrusive igneous rock. The type of igneous rock formed from the magma body will largely depend on whether or not it is erupted, and the speed of its cooling.
How do two igneous rocks have the same mineral composition but different textures?
The texture of an igneous rock refers to the size of its mineral crystals. If the common magma of both igneous rocks has experienced differences in cooling rates due to depth, they will have different textures. Slow cooling produces large crystals, and quick cooling produces small crystals. Granite and rhyolite are two igneous rocks sharing the same mineral composition, but having undergone different rates of magma cooling due to depth at solidification.
Two rocks that have the same general chemical and mineral composition?
According to the New York State Earth Science Reference Tables, the two rocks that have the same general chemical and mineral compositions are igneous rocks called andesite and diorite. They both have a composition that consists of quartz, plagioclase feldspar, biotite, pyroxene, and amphibole.
Are scoria and rhyolite the same in mineral composition?
Rhyolite is a rock type that is categorized by mineral composition. Scoria is a textural rock type. Like, Rhyolite can be smooth, or it can be scoria (sharper, bumpier, lots of vesicles).Think of it as a rock adjective.
Which mineral property is the least reliable for identifying a mineral?
Color is the least reliable property for identifying a mineral because many minerals can have the same color but different compositions.
Do all igneous rocks have the same mineral composition?
Certainly not: Igneous rocks vary in mineralogy from Felsic to Mafic, which encompassed all sorts of compositions. Does a Granite appear the same as a Basalt? No, because they have different mineralogies, and different minerals have different colours and textures. This is visible in every rock.
How many same-sex couples have married in Rooks County Kansas?
Rooks County will begin issuing marriage licenses to same-sex couples on November 13, 2014.
