Microphenocryst

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A very small crystal in a fine-grained porphyritic rock.

    "The basalt of Goose Island of the Ice Harbor Member is unique for the occurrence of microphenocrysts of ilmenite and titanmagnetite."

Example

More examples

"The basalt of Goose Island of the Ice Harbor Member is unique for the occurrence of microphenocrysts of ilmenite and titanmagnetite."

Etymology

From micro- + phenocryst.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.