microlitic


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microlitic

[¦mī·krə¦lid·ik]
(petrology)
Of the texture of a porphyritic igneous rock, having a groundmass composed of an aggregate of microlites in a generally glassy base.
References in periodicals archive ?
Accessory minerals (fine-grained microlitic zircon, apatite, monazite, and allanite) were identified and confirmed using a scanning electron microscope including backscattered electron imaging, energy-dispersive X-ray spectroscopy and X-ray element mapping.