pilotaxitic

pilotaxitic

[¦pī·lō·tak′sid·ik]
(geology)
Pertaining to the texture of the groundmass of a holocrystalline igneous rock in which lath-shaped microlites (usually of plagioclase) are arranged in a glass-free felty mesh, often aligned along the flow lines.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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The volcanic cones of phase 1 and phase 2 occur as volcanic lithic fragments of olivine basalts that belong to the pyroclastic materials and clastogenic flows or as ejecta which show porphyritic vitrophric to pilotaxitic texture and vesicular structure.
Multiphase alkaline basalts of central Al-Haruj Al-Abyad of Libya: petrological and geochemical aspects
Lithic fragments are dominantly polycrystalline quartz (quartzite) with subordinate volcanic clasts of pilotaxitic basalt and andesite, porphyritic rhyolite and dacite, and recystallized felsic crystal turf (White and Barr in press).
Stratigraphy of the Lower Paleozoic Goldenville and Halifax groups in southwestern Nova Scotia

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