- plagioclastic
- adjectiveof or relating to plagioclase• Pertains to noun: ↑plagioclase• Derivationally related forms: ↑plagioclase
Useful english dictionary. 2012.
Useful english dictionary. 2012.
plagioclase — plagioclastic /play jee euh klas tik/, adj. /play jee euh klays /, n. any of the feldspar minerals varying in composition from acidic albite, NaAlSi3O8, to basic anorthite, CaAl2Si2O8, found in most igneous rocks: shows twinning striations on… … Universalium
Mount Cayley volcanic field — Coordinates: 50°07′13″N 123°17′26″W / 50.12028°N 123.29056°W / 50.12028; 123.29056 … Wikipedia
anorthite — noun rare plagioclastic feldspar occurring in many igneous rocks • Derivationally related forms: ↑anorthitic • Hypernyms: ↑plagioclase, ↑oligoclase … Useful english dictionary
oligoclase — noun any of a series of triclinic feldspars that form rocks • Syn: ↑plagioclase • Derivationally related forms: ↑plagioclastic (for: ↑plagioclase) • Hypernyms: ↑feldspar, ↑ … Useful english dictionary