Examples of using Igneous in English and their translations into Vietnamese
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A descriptive term applied to igneous rocks with more than 60% silica(SiO2).
Igneous activity in Vietnam is divided into five episodes from the Archean to Quaternary.
Hence, the crystallizing olivine was Mg-rich, and igneous rocks rich in forsterite were formed.
Igneous intrusions themselves are typically too hot to allow the preservation of preexisting hydrocarbons.[4].
The geology and landscape are varied: igneous and metamorphic rocks, sandstone and limestone;
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Igneous intrusions cause the formation of a diatreme only in the specific setting where groundwater exists.
Rocks laid down, usually in the last stages of igneous consolidation from magma rich in water and other volatile substances.
Basalt Igneous rock Composition Mafic: amphibole and pyroxene, sometimes plagioclase, feldspathoids, and/or olivine.
The cone itself is a volcanic edifice,representing complex interaction of intrusive igneous rocks with the surrounding salt.[8].
Water in equilibrium with igneous melts should bear the same isotopic signature for oxygen-18 and deuterium.
Virg Leuth originally concluded that the material was metamorphic but, after further study,concluded the rock has an igneous origin.
Igneous oceanic plateaus have a ratio intermediate between continental and oceanic crust, although they are more mafic than felsic.
Similar ridges have formed in places such as the Black Hills,where the ridges form concentric circles around the igneous core.
They occur in most of the crystals found in igneous rocks and are common in the minerals quartz, feldspar, olivine and pyroxene.
The silica functions principally as an acid, forming silicates,and all the most common minerals of igneous rocks are of this nature.
Elbaite forms in igneous and metamorphic rocks and veins in association with lepidolite, microcline, and spodumene in granite pegmatites;
This is a profound observation that has ongoing applications for igneous and metamorphic rocks, not just the sedimentary rocks of Tuscany.
Relative to most common igneous rocks, basalt compositions are rich in MgO and CaO and low in SiO2 and the alkali oxides, i.e., Na2O+ K2O, consistent with the TAS classification.
There are three branches of petrology, corresponding to the three types of rocks: igneous, metamorphic, and sedimentary, and another dealing with experimental techniques.
Diogenites are composed of igneous rocks of plutonic origin, having solidified slowly enough deep within Vesta's crust to form crystals which are larger than in the eucrites.
The term“granitic” means granite-like and is applied to granite anda group of intrusive igneous rocks with similar textures and slight variations in composition and origin.
Except in acid or siliceous igneous rocks containing greater than 66% of silica, known as felsic rocks, quartz is not abundant in igneous rocks.
Geologists define the term‘continents' differently compared to geographers, suggesting a continent is defined by continental crust:a platform of metamorphic and igneous rock, largely of granitic composition.
While the Troodos Mountains are a massif formed of molten igneous rock, the Kyrenia Range is a narrow limestone ridge that rises suddenly from the plains.
Igneous rock of coarse gain often containing rare minerals, including large crystals of gemstones(e.g., beryl, chrysoberyl, feldspar, quartz, spessartite garnet).
Chapman and his colleagues analyzed the chemistry of igneous rocks to determine how thick Earth's crust was in the past and then related the thickness to elevation.
The term"diapir" may be applied to igneous structures, but it is more commonly applied to non-igneous, relatively cold materials, such as salt domes and mud diapirs.
Smoky quartz is usually found in intrusive igneous and certain high grade metamorphic rocks, like granite and orthogneiss, as these contain traces of radioactive elements whose radiation cause the coloration.
Although pure forsterite does not occur in igneous rocks, dunite often contains olivine with forsterite contents at least as Mg-rich as Fo92(92% forsterite- 8% fayalite); common peridotite contains olivine typically at least as Mg-rich as Fo88.