dyke-rock
dyke-rock · dyke-rocks
A type of igneous rock that fills a dykeA type of igneous rock that fills a dyke (a rock filling a fissure that is now often rising above the older stratum that has eroded away).
Meaning
1 sensesA type of igneous rock that fills a dyke (a rock filling a fissure that is now often rising above the older stratum that has eroded away).