adjective
- relating to or formed by magma
Usage: geological
Examples
- The magmatic rocks formed deep beneath the Earth’s surface.
- Scientists studied the magmatic processes that created the mountain range.
- The magmatic intrusion cooled slowly over millions of years.
- Magmatic activity increased before the volcanic eruption.
- The geologist identified several magmatic minerals in the sample.
- Magmatic differentiation explains the variety of igneous rock types.