Definitions:

1. Pertaining to or composed of dacite. ADJECTIVE
   • In petrology classes, students learn to identify dacitic rocks by their mineral content.
2. Refers to an igneous, volcanic rock with a high silica content. ADJECTIVE
   • The dacitic composition of the lava dome indicates a high silica content, characteristic of the explosive eruptions that have shaped the region's volcanic landscape.
3. Refers to the composition, characteristics, or relating to dacite. ADJECTIVE
   • The study of past eruptions revealed a pattern of dacitic magma leading to some of the most cataclysmic events.
4. Relating to or consisting of dacite. ADJECTIVE
   • The area's rich mineral deposits were found to be associated with ancient dacitic lava flows.
   • The eruption, characterized by dacitic lava, had a profound environmental impact, altering the landscape and affecting climate patterns in the surrounding regions.

Synonyms:

• high-silica volcanic material
• volcanic dome composition