Definition of amphibole in English:

amphibole

nounˈamfɪbəʊlˈæmfəˌboʊl

mass noun

Any of a class of rock-forming silicate or aluminosilicate minerals typically occurring as fibrous or columnar crystals.
acid rocks consist mostly of quartz and feldspars, with a little mica or amphibole
Example sentencesExamples
- 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.
- The greenschist-facies overprint resulted in the growth of actinolitic amphiboles, plagioclase and titanite at the expense of pyroxene and rutile or ilmenite.
- The other two silicates are possibly an amphibole and a member of the smectite group.
- They contain sulfide minerals as well as metamorphic minerals that include cordierite, gahnite, epidote, garnet, amphiboles, schorl, and many others.
- Associated with the fayalite are quartz, amphibole, and magnetite.

Origin

Early 19th century: from French, from Latin amphibolus 'ambiguous' (because of the varied structure of these minerals), from Greek amphibolos, from amphi- 'both, on both sides' + ballein 'to throw'.

Definition of amphibole in US English:

amphibole

nounˈæmfəˌboʊlˈamfəˌbōl

Any of a class of rock-forming silicate or aluminosilicate minerals typically occurring as fibrous or columnar crystals.
acid rocks consist mostly of quartz and feldspars, with a little mica or amphibole
Example sentencesExamples
- The other two silicates are possibly an amphibole and a member of the smectite group.
- The greenschist-facies overprint resulted in the growth of actinolitic amphiboles, plagioclase and titanite at the expense of pyroxene and rutile or ilmenite.
- 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.
- They contain sulfide minerals as well as metamorphic minerals that include cordierite, gahnite, epidote, garnet, amphiboles, schorl, and many others.
- Associated with the fayalite are quartz, amphibole, and magnetite.

Origin

Early 19th century: from French, from Latin amphibolus ‘ambiguous’ (because of the varied structure of these minerals), from Greek amphibolos, from amphi- ‘both, on both sides’ + ballein ‘to throw’.

单词	amphibole
释义	Definition of amphibole in English: amphibole nounˈamfɪbəʊlˈæmfəˌboʊl mass noun Any of a class of rock-forming silicate or aluminosilicate minerals typically occurring as fibrous or columnar crystals. acid rocks consist mostly of quartz and feldspars, with a little mica or amphibole Example sentencesExamples 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. The greenschist-facies overprint resulted in the growth of actinolitic amphiboles, plagioclase and titanite at the expense of pyroxene and rutile or ilmenite. The other two silicates are possibly an amphibole and a member of the smectite group. They contain sulfide minerals as well as metamorphic minerals that include cordierite, gahnite, epidote, garnet, amphiboles, schorl, and many others. Associated with the fayalite are quartz, amphibole, and magnetite. Origin Early 19th century: from French, from Latin amphibolus 'ambiguous' (because of the varied structure of these minerals), from Greek amphibolos, from amphi- 'both, on both sides' + ballein 'to throw'. Definition of amphibole in US English: amphibole nounˈæmfəˌboʊlˈamfəˌbōl Any of a class of rock-forming silicate or aluminosilicate minerals typically occurring as fibrous or columnar crystals. acid rocks consist mostly of quartz and feldspars, with a little mica or amphibole Example sentencesExamples The other two silicates are possibly an amphibole and a member of the smectite group. The greenschist-facies overprint resulted in the growth of actinolitic amphiboles, plagioclase and titanite at the expense of pyroxene and rutile or ilmenite. 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. They contain sulfide minerals as well as metamorphic minerals that include cordierite, gahnite, epidote, garnet, amphiboles, schorl, and many others. Associated with the fayalite are quartz, amphibole, and magnetite. Origin Early 19th century: from French, from Latin amphibolus ‘ambiguous’ (because of the varied structure of these minerals), from Greek amphibolos, from amphi- ‘both, on both sides’ + ballein ‘to throw’.
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