English Dictionary

allotriomorph

名詞

(geology) A mineral that did not develop its otherwise typical external crystal form because of late crystallization between earlier formed crystals, typical of matrix minerals in rapidly crystallizing volcanic lavas and shallow igneous intrusions.

日本語の意味

遅い結晶化により、本来備わるべき外部結晶形が発達しなかった鉱物。これは、先に形成された結晶の間で後から結晶が進行するため、急速に固まる火山溶岩や浅成侵入岩における基質鉱物として見られる。

The geologist identified an allotriomorph in the basalt flow, noting it had not developed its typical external crystal faces because it crystallized late between earlier-formed crystals.

地質学者は玄武岩流の中で、先に形成された結晶の間に後から結晶化したため本来の外形を示さない鉱物を確認した。

意味（1）

(geology) A mineral that did not develop its otherwise typical external crystal form because of late crystallization between earlier formed crystals, typical of matrix minerals in rapidly crystallizing volcanic lavas and shallow igneous intrusions.

allotriomorphs （ plural ）