TRACHYTE


Meaning of TRACHYTE in English

Light-coloured, very fine-grained igneous rock composed chiefly of alkali feldspar with only minor mafic minerals ( biotite , hornblende , or pyroxene ).

Trachyte is commonly found in volcanic regions; like many volcanic rocks, it shows a streaked or banded structure due to flowing of the congealing lava.

Britannica English dictionary.      Английский словарь Британика.