Oligoclase (Noun)
Meaning
Any of a series of triclinic feldspars that form rocks.
Classification
Nouns denoting substances.
Examples
- The geologist carefully extracted a sample of oligoclase from the granite outcropping to study its mineral composition.
- Oligoclase is a common mineral found in the rocks of the Appalachian Mountains, often occurring in combination with quartz and mica.
- The rock sample was identified as a type of oligoclase, characterized by its pinkish-white color and tabular crystals.
- The presence of oligoclase in the metamorphic rocks suggested a high-pressure origin, consistent with the region's tectonic history.
- The oligoclase crystals in the sample exhibited a range of compositions, reflecting the complex magmatic evolution of the surrounding rocks.