[
US
/ˈæmfəˌboʊɫ, ˈæmfɪˌboʊɫ/
]
NOUN
- a mineral or mineral variety belonging to the amphibole group
How To Use amphibole In A Sentence
- In addition to quartz, fluid inclusions can occur in carbonates, gypsum, halite, fluorite, feldspar, garnet, pyroxene, amphibole, tourmaline, olivine, and sphalerite; indeed in most minerals except phyllosilicates.
- It is easy to distinguish two formations in the euphotide; one is destitute of amphibole, even when it alternates with amphibolic rocks Travels to the Equinoctial Regions of America
- We studied the morphological and compositional differences of the fibrous amphibole samples with scanning electron microscopy and with energy dispersive spectroscopy x-ray microanalysis.
- 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.
- Several small grains of amphibole were seen as inclusions in a plagioclase phenocryst, and one partial grain of resorbed amphibole also was noted.
- This is consistent with the fact that olivine is typically entrapped in pyroxene and amphibole crystals.
- In the presence of oxygen, the thermal decomposition of amphiboles is associated with an oxidation of divalent iron to trivalent iron, which may lead to an increase in the sample weight. Geology of asbestos
- In agreement with published literature, amphibole and pyroxene appeared to dissolve ahead of feldspar.
- It contains no garnet or amphibole, but metalloid diallage disseminated in the mass. Travels to the Equinoctial Regions of America
- In samples consisting mainly of feldspars, clinopyroxene, garnet or amphibole occur as sub - to anhedral grains and grain sixes become smaller.