Plagioclase (Noun)
Meaning
Any of a series of triclinic feldspars that form rocks.
Classification
Nouns denoting substances.
Examples
- The plagioclase feldspar in the rock sample was a mixture of albite and anorthite.
- The geologist identified the plagioclase as a key component of the gneiss.
- Plagioclase crystals were found in the granite core samples from the drilling site.
- The presence of plagioclase in the rock indicated a high level of magmatic activity.
- The chemical composition of the plagioclase varied across the different rock formations.