poikilitic in a sentence
a.
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Definition
Poikilitic refers to a geological texture in which larger mineral grains are surrounded by a finer-grained matrix, often indicating a complex cooling history in igneous rocks.
Crossword clues for poikilitic
Crossword clue ideas and answer hints for the word "poikilitic".
- Texture with larger grains in a finer matrix.
- Geological term for mixed grain sizes in rocks.
- Indicates complex cooling in igneous formations.
- Describes a specific mineral arrangement in rocks.
- Larger crystals embedded in a finer-grained background.
Poikilitic sentence examples
- The term 'poikilitic' is often used in geology to describe a rock texture where larger grains are embedded in a finer-grained matrix.
- In petrology, a poikilitic texture can indicate a complex cooling history of igneous rocks.
- To identify poikilitic formations, geologists often look for the contrast between the larger phenocrysts and the surrounding groundmass.
- The poikilitic structure of the basalt sample revealed insights into its formation under varying temperature conditions.
- Understanding the poikilitic characteristics of a rock can greatly enhance our knowledge of its geological environment.