lamprophyre

lam pro phyre |ˈlamprəˌfīr ˈlæmprəfaɪər | ▶noun Geology a porphyritic igneous rock consisting of a fine-grained feldspathic groundmass with phenocrysts chiefly of biotite. ORIGIN late 19th cent.: from Greek lampros ‘bright, shining ’ + porphureos ‘purple. ’

lamprophyre

lamprophyre |ˈlamprəˌfʌɪə | ▶noun [ mass noun ] Geology a porphyritic igneous rock consisting of a fine-grained feldspathic groundmass with phenocrysts chiefly of biotite. ORIGIN late 19th cent.: from Greek lampros ‘bright, shining ’ + porphureos ‘purple ’.

Lamprophyr

Lam p ro phyr, Lam pro phyr Substantiv, maskulin Geologie , der |Lamproph y r |der Lamprophyr; Genitiv: des Lamprophyrs, Plural: die Lamprophyre griechisch-neulateinisch dunkles, häufig feinkörniges Ganggestein ( Eruptivgestein als Ausfüllung von Spalten in der Erdrinde )