1. a fine-grained sedimentary rock composed mainly of clay and silt particles
Usage: geology

Examples

• The geologist identified the dark layer as pelite formed from ancient lake sediments.
• Pelite often contains fossils preserved in its fine-grained matrix.
• The metamorphism of pelite can produce slate or phyllite.
• Core samples revealed alternating layers of sandstone and pelite.
• The pelite formation indicated a quiet depositional environment.
• Microscopic analysis showed the pelite contained abundant clay minerals.