Share this entry

Share this page

trachyte

Saltos de línea: trach|yte
Pronunciación: /ˈtreɪkʌɪt
 
, ˈtrakʌɪt
 
/

Definición de trachyte en inglés:

sustantivo

[mass noun] Geology
A grey fine-grained volcanic rock consisting largely of alkali feldspar.
Example sentences
  • The mine workings occupy much of the west side of an isolated low hill composed mainly of light-colored volcanic rock, described as felsite porphyry or trachyte, highly altered to clay minerals.
  • The dominant magma types are basalts and hawaiites, with lesser amounts of trachytes, quartz trachytes, alkali rhyolites and phonolites.
  • In the Canaries, the lavas are much more compositionally varied in each of these stages, ranging from tholeiitic basalts to phonolites and trachytes.

Origen

early 19th century (denoting a volcanic rock with a rough or gritty surface): from Greek trakhus 'rough' or trakhutēs 'roughness'.

Definición de trachyte en:

Share this entry

Share this page

 

¿Qué te llama la atención de esta palabra o frase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Obtenga más de Oxford Dictionaries

Suscribirse para eliminar anuncios y acceder a los recursos premium

Palabra del día terpsichorean
Pronunciación: ˌtəːpsɪkəˈriːən
adjective
relating to dancing