phenocryst in a sentence
n.
📚 Grade Level: Grade 10, Grade 11, Grade 12
Definition
A phenocryst is a large crystal that forms within a finer-grained matrix of igneous rock, providing insights into the magma's history and crystallization processes.
Crossword clues for phenocryst
Crossword clue ideas and answer hints for the word "phenocryst".
- Large crystal found in igneous rock.
- Crystal embedded in finer rock matrix.
- Significant crystal revealing magma's history.
- Distinct crystal in volcanic rock formation.
- Notable crystal indicating crystallization process.
Phenocryst sentence examples
- The phenocryst in the basalt provided important clues about the magma's history.
- Geologists often study the size and composition of a phenocryst to understand crystallization processes.
- During the eruption, the phenocrysts were ejected alongside the volcanic ash and lava flows.
- Under the microscope, the phenocryst's intricate structure revealed its formation conditions.
- The presence of large phenocrysts in the rock sample indicated a prolonged cooling period in the magma chamber.