Final answer:
Pyroclastic texture in an igneous rock indicates that the rock formed as a result of a violent volcanic eruption.
Step-by-step explanation:
Pyroclastic texture in an igneous rock indicates that the rock formed as a result of a violent volcanic eruption. When a volcanic eruption is violent, it propels a mixture of ash, pumice, and other volcanic fragments into the air. As these fragments settle and solidify, they form a rock with a pyroclastic texture, which is characterized by fragmented and angular particles. This type of texture is typically found in rocks such as tuff and ignimbrite that are associated with explosive volcanic activity.