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Related to pegmatitic: aphanitic, porphyritic, Pegmatitic Texture


A coarse-grained granite, sometimes rich in rare elements such as uranium, tungsten, and tantalum.

[Greek pēgma, pēgmat-, something fastened together (from pēgnunai, to fasten; see pag- in Indo-European roots) + -ite.]

peg′ma·tit′ic (-tĭt′ĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
The property hosts tungsten mineralization in multiple areas, including pegmatitic veins with high grade tungsten mineralization in its northern region of the property including at a quarry referred to as the South Quarry and an adjacent smaller quarry.
Later dolerite and pegmatitic felsic intrusives cut across the amphibolites and gold mineralisation.
and Shearer, C.K.: 1990, Are discontinuous chondrite-normalized REE patterns in pegmatitic granite systems the results of monazite fractionation?
Stockhert, "The inclusion record of fluid evolution, crack healing and trapping from a heterogeneous system during rapid cooling of pegmatitic veins (Dronning Maud Land; Antarctica)," Geofluids, vol.
The rock mass is assumed to be homogeneous, isotropic, linearly elastic, and mostly pegmatitic granite.
Pegmatitic and fine-grained leucocratic bodies of variable size are frequent and usually showing sharp contacts with the Main Unit.
Characterization of bacterial community structure on a weathered pegmatitic granite.
Migmatitic and pegmatitic rocks in Olkiluoto generally display very low conductivity, which enables good penetration of radiowaves, and low attenuation.