1. of, relating to, or containing phosphorite (a sedimentary rock rich in phosphate minerals)
Usage: technical; geology

Examples

• The phosphoritic deposits in the region are valuable sources of phosphate for fertilizer production.
• Geologists identified phosphoritic nodules in the marine sediment layers.
• The phosphoritic rock formations date back millions of years.
• Mining companies extract phosphoritic ore to manufacture agricultural chemicals.
• Phosphoritic sediments often accumulate in shallow marine environments.