Orthophyre

/ˈɔːθəfaɪə/

/ˈɔrθəfaɪr/

Translation of "orthophyre" into Russian

Noun

/ˈɔːθəfaɪə/

/ˈɔrθəfaɪr/

orthophyre

orthophyres pl

The geologist discovered a rare orthophyre in the rock formation.

Геолог обнаружил редкий ортофир в горной породе.

Noun

/ˈɔːθəfaɪə/

/ˈɔrθəfaɪr/

An igneous porphyry characterized by fine- to medium-grained groundmass and phenocrysts of orthoclase feldspar.

Under the microscope the specimen proved to be an orthophyre, its groundmass dotted with large orthoclase crystals.

A quartz-porphyry or rhyolite of granitic composition in which orthoclase is the dominant phenocryst mineral.

The northern dike consists of a pale-grey orthophyre that cuts across the country rock.