extrusive

the lava flow was extrusive, forming new land as it cooled.

extrusive rocks are often found near volcanic regions.

the study focused on the characteristics of extrusive igneous formations.

extrusive activity can lead to the creation of unique geological features.

many extrusive volcanic rocks are rich in minerals.

scientists analyze extrusive materials to understand past volcanic eruptions.

extrusive processes play a crucial role in shaping the earth's surface.

the extrusive nature of the eruption surprised many geologists.

understanding extrusive dynamics is essential for predicting volcanic behavior.

the formation of extrusive rock layers can be observed in many places.