Definition of phonolite in English:

phonolite

noun ˈfəʊnəlʌɪtˈfoʊnəˌlaɪt

mass nounGeology

A fine-grained volcanic igneous rock composed of alkali feldspars and nepheline.
Example sentencesExamples
- South of the city of Isparta pyroclastic rocks are interbedded with rhyolite, trachyte, phonolite and lamproite flows (the Golcuk and Bucak Volcanics of Savascin et al.).
- In the Canaries, the lavas are much more compositionally varied in each of these stages, ranging from tholeiitic basalts to phonolites and trachytes.
- The dominant magma types are basalts and hawaiites, with lesser amounts of trachytes, quartz trachytes, alkali rhyolites and phonolites.
- Plagioclase dramatically removes Sr at intermediate stages and alkali feldspars sequester Ba and Rb as late-stage trachytes and phonolites form in alkaline magmas.

Origin

Early 19th century: from phono- 'relating to sound' (because of its resonance when struck) + -ite¹.

Definition of phonolite in US English:

phonolite

nounˈfōnəˌlītˈfoʊnəˌlaɪt

Geology

A fine-grained volcanic rock composed of alkali feldspars and nepheline.
Example sentencesExamples
- The dominant magma types are basalts and hawaiites, with lesser amounts of trachytes, quartz trachytes, alkali rhyolites and phonolites.
- South of the city of Isparta pyroclastic rocks are interbedded with rhyolite, trachyte, phonolite and lamproite flows (the Golcuk and Bucak Volcanics of Savascin et al.).
- In the Canaries, the lavas are much more compositionally varied in each of these stages, ranging from tholeiitic basalts to phonolites and trachytes.
- Plagioclase dramatically removes Sr at intermediate stages and alkali feldspars sequester Ba and Rb as late-stage trachytes and phonolites form in alkaline magmas.

Origin

Early 19th century: from phono- ‘relating to sound’ (because of its resonance when struck) + -ite.

单词	phonolite
释义	Definition of phonolite in English: phonolite noun ˈfəʊnəlʌɪtˈfoʊnəˌlaɪt mass nounGeology A fine-grained volcanic igneous rock composed of alkali feldspars and nepheline. Example sentencesExamples South of the city of Isparta pyroclastic rocks are interbedded with rhyolite, trachyte, phonolite and lamproite flows (the Golcuk and Bucak Volcanics of Savascin et al.). In the Canaries, the lavas are much more compositionally varied in each of these stages, ranging from tholeiitic basalts to phonolites and trachytes. The dominant magma types are basalts and hawaiites, with lesser amounts of trachytes, quartz trachytes, alkali rhyolites and phonolites. Plagioclase dramatically removes Sr at intermediate stages and alkali feldspars sequester Ba and Rb as late-stage trachytes and phonolites form in alkaline magmas. Origin Early 19th century: from phono- 'relating to sound' (because of its resonance when struck) + -ite¹. Definition of phonolite in US English: phonolite nounˈfōnəˌlītˈfoʊnəˌlaɪt Geology A fine-grained volcanic rock composed of alkali feldspars and nepheline. Example sentencesExamples The dominant magma types are basalts and hawaiites, with lesser amounts of trachytes, quartz trachytes, alkali rhyolites and phonolites. South of the city of Isparta pyroclastic rocks are interbedded with rhyolite, trachyte, phonolite and lamproite flows (the Golcuk and Bucak Volcanics of Savascin et al.). In the Canaries, the lavas are much more compositionally varied in each of these stages, ranging from tholeiitic basalts to phonolites and trachytes. Plagioclase dramatically removes Sr at intermediate stages and alkali feldspars sequester Ba and Rb as late-stage trachytes and phonolites form in alkaline magmas. Origin Early 19th century: from phono- ‘relating to sound’ (because of its resonance when struck) + -ite.
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