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syenite Saltos de línea: sy¦en|ite
Pronunciación: /ˈsʌɪənʌɪt/

Definición de syenite en inglés:

sustantivo

[mass noun] Geology
A coarse-grained grey igneous rock composed mainly of alkali feldspar and ferromagnesian minerals such as hornblende.
Oraciones de ejemplo
  • The southern Zomba area consists mainly of syenite surrounded by a periphery of alkaline granite.
  • A violet, coarse-grained, porphyritic quartz syenite, which makes up large parts of the pluton, was collected for dating.
  • The selective removal of these minerals resulted in a change of the composition of the magma to one near that of the rock syenite.

Origen

Late 18th century: from French syénite, from Latin Syenites (lapis) '(stone) of Syene' (from Greek Suēnē Aswan in Egypt).

Derivados

syenitic

1
Pronunciación: /sʌɪəˈnɪtɪk/
adjetivo
Oraciones de ejemplo
  • Of far less importance are occurrences in gneisses and amphibolites, in small plutons derived from syenitic and gabbroic magmas, and in certain contact-metamorphic rocks.
  • In the central part of the intrusion, some small granitic aplite dykes intrude the syenitic rocks.
  • Several pools of syenitic magma were separated from the main body of the melt.

Definición de syenite en:

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