- During obduction, mantle-derived magmas most likely evolved to granitic compositions by assimilation of sediments and by fractional crystallization of amphibole, feldspar, titanite and allanite.
- Associated with the fayalite are quartz, amphibole, and magnetite.
- They contain sulfide minerals as well as metamorphic minerals that include cordierite, gahnite, epidote, garnet, amphiboles, schorl, and many others.
Early 19th century: from French, from Latin amphibolus 'ambiguous' (so called because of the varied structure of these minerals), from Greek amphibolos, from amphi- 'both, on both sides' + ballein 'to throw'.
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División en sílabas: am·phi·bole
Definición de amphibole en:
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