noun
- a dark-colored igneous rock composed mainly of olivine and pyroxene with little or no feldspar
Usage: geology
Examples
- The geologist identified the sample as picrite based on its high olivine content.
- Picrite formations are commonly found in ancient volcanic regions.
- The dark green picrite contrasted sharply with the lighter granite nearby.
- Students examined thin sections of picrite under the microscope.
- The picrite intrusion was dated to the Precambrian era.
- Mining operations encountered a thick layer of picrite beneath the surface.