biotite nel dizionario italiano Oxford-Paravia

Traduzioni di biotite nel dizionario inglese»italiano

biotite [ingl brit ˈbʌɪətʌɪt, ingl am ˈbaɪəˌtaɪt] SOST

biotite

biotite f

Traduzioni di biotite nel dizionario italiano»inglese

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biotite

biotite

Esempi monolingue (non verificati dalla Redazione di PONS)

inglese

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

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For example, the biotite series is represented by variable amounts of the endmembers phlogopite, siderophyllite, annite, and eastonite.

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Quartz crystals make up 25%, plagioclase 5%, alkali feldspar 10%, biotite 5-10% which is altered to chlorite, epidote and leucoxene.

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Although the compositional range of the monzogranites is small, it defines a differentiation trend that is essentially controlled by biotite and plagioclase fractionation.

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They consist of labradorite and olivine phenocrysts in a groundmass of plagtoclase, augite, and biotite.

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Iron substitutes for magnesium in variable amounts leading to the more common biotite with higher iron content.

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

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Common examples of micas are muscovite, and the biotite series.

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The disposal facility will sit above an area composed primarily of granodiorite; to the north a small portion is underlain by biotite granite.

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