Meaning of trachydolerite | Babel Free

Definitions

A type of volcanic rock with characteristics of both trachyte and dolerite.

countable, uncountable

Examples

“Instead of separating these blending rocks, then, and distinguishing them by different names, it is better to follow the example of Abich, and unite them under one term, such as that proposed by him of—14. Trachy-dolerite.”

“A trachydolerite composed of plagioclase, orthoclase, analcite, augite, and biotite is the least abundant of the rocks occurring in irregular obtrusive masses.”

“The differentiation extent of a melt changes along strike, and the types of sequences described above are observed in different sill intersections. Since data on layered trachydolerite sills on the northwest of the Siberian Platform are not available in the geologic literature, consideration of the petrology of this intrusion type is of interest.”

CEFR level