adjective
- of, relating to, or composed of dolerite (a dark, fine-grained igneous rock)
Usage: geology; technical
Examples
- The doleritic intrusion cut through the surrounding sedimentary layers.
- Geologists identified the doleritic composition of the rock sample under the microscope.
- The cliff face displayed a distinctive doleritic texture characteristic of basaltic rocks.
- Doleritic sills are common features in the geological formations of this region.