noun
- plural of mudstone; fine-grained sedimentary rocks composed primarily of clay and silt particles
Usage: geology
Examples
- The geologist identified several layers of mudstones in the cliff face.
- Mudstones often contain well-preserved fossils due to their fine grain size.
- The construction project had to account for the unstable mudstones beneath the foundation.
- Oil companies study mudstones because they can serve as source rocks for petroleum.
- The mudstones in this region formed millions of years ago in ancient lake beds.
- Weathered mudstones can create slippery conditions on hiking trails.