norite
/ˈnɔraɪt/
noun
- A dark, coarse-grained igneous rock that contains plagioclase feldspar and orthopyroxene, often found in large layered intrusions.
- The ancient norite was used by early civilizations to make tools and building materials.
- Geologists discovered a large deposit of norite in the mountain range.
- Samples of norite from the quarry showed a high concentration of iron minerals.