Traductions de „biotite“ dans le dictionnaire anglais » arabe

biotite MIN

biotite

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Exemples monolingues (non-vérifiés par l'équipe de rédaction)

anglais

They are excessively variable in their mineralogical composition, and very often alternate in thin seams with biotite hornfels and indurated quartzites.

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Under these conditions, new minerals like biotite, diopside and scapolite grew.

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The older stock consists of fine-grained biotite hornblende granodiorite while the younger stock comprises leucocratic biotite quartz monzonite.

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The matrix consists of an extremely fine-grained groundmass with fine-to coarse-grained megacrysts of biotite, diopside, aegerine-augite, orthoclase, magnetite, apatite, and nepheline.

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It is described as a biotite granodiorite along the margin of the intrusion which grades into a quartz monzonite in its core.

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The footwall to the mineralization is a psammopelite gneiss, consisting of feldspar, quartz, garnet, biotite and amphibole, with a pelite gneiss on the hanging wall.

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This adamellite is coarsely foliated and contains biotite mica.

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If a rock undergoes phyllic alteration, then orthoclase feldspar, biotite and various silicates are altered in addition to plagioclase.

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Other incorporated silicate minerals may include, very minor amounts of plagioclase feldspar, mica in the form of muscovite and/or biotite, and amphibole (often hornblende).

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Nontronite forms from the weathering of biotite and basalts, precipitation of iron and silicon rich hydrothermal fluids and in deep sea hydrothermal vents.

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