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Olivine and pyroxene are commonly found in igneous rocks that are?
Olivine and pyroxene are commonly found in igneous rocks that are mafic in composition. These minerals indicate that the rock formed from magma with a higher iron and magnesium content. Mafic igneous rocks tend to be dark in color and have higher densities compared to felsic rocks.
What type of rock do volcanoes have?
Volcanoes are typically associated with igneous rocks, which are formed from the solidification of magma or lava. Igneous rocks such as basalt and andesite are commonly found in and around volcanic areas.
Is amethyst igneous metamorphic or sedimentary?
Amethyst is a variety of quartz, which is a mineral that is formed in igneous and metamorphic rocks. Amethyst is typically formed in hydrothermal veins within igneous rocks or as a product of metamorphism in rocks rich in silica. Therefore, amethyst is not classified as a specific rock type, but rather a mineral that can be found in both igneous and metamorphic rocks.
Are igneous rocks found near volcanoic?
Yes, igneous rocks are commonly found near volcanic areas because they are formed from the solidification of molten magma. Volcanic eruptions bring magma to the surface, where it cools and solidifies to create igneous rocks like basalt and rhyolite.
What is the name of black mineral in igneous and metamorphic rocks?
The black in igneous and metamorphic rocks could be any of numerous black minerals. Two that are commonly found are biotite mica and hornblende.
Where in Canada is igneous rock most commonly found?
Igneous rock is most commonly found in the Canadian Shield, which covers a large part of eastern and central Canada. This area is known for its ancient rocks and abundant igneous activity. Additionally, igneous rocks can also be found in other regions of Canada where there are volcanic activities and mountain building processes.
Is calcite metamorphic sedimentary or igneous?
Calcite is a mineral commonly found in sedimentary rocks. It can also be found in some metamorphic rocks, as it can recrystallize under heat and pressure. It is unlikely to be found in igneous rocks except in trace amounts.
Where is pyroxene found?
Pyroxene minerals are commonly found in igneous and metamorphic rocks. They can also be found in some high-temperature and low-pressure metamorphic rocks, as well as in some meteorites.
What type of rocks is graphite found in?
Graphite can be found in all types of rock (igneous, metamorphic, and sedimentary). Although, it originates from igneous rocks, and is generally most economic in metamorphic rocks.
Where can igneous rocks be found in Colorado?
Igneous rocks can be found in the mountains, which are partially composed of Precambrian plutonic rock.
What rock would most likely be found near a volcano?
When lava reaches the surface of the Earth through volcanoes or through great fissures the rocks that are formed from the lava cooling and hardening are called extrusive igneous rocks. Some of the more common types of extrusive igneous rocks are lava rocks, cinders, pumice, obsidian , and volcanic ash and dust
What can be found in igneous rocks?
In some special circumstances Igneous rocks host important mineral deposits (ores): for example, tungsten, tin, and uranium are commonly associated with granites and diorites, whereas ores of chromium and platinum are commonly associated with gabbros.
