pegmatite Definition
peg·ma·tite (peg′mə tīt′)
noun
a light-colored, coarsegrained, intrusive igneous rock, usually granitic, containing large crystals of quartz, feldspar, and mica, and sometimes rare minerals: typically found in fissures of other igneous rocks
Etymology: < Gr pēgma (gen. pēgmatos), a framework, something fastened together (< IE base *paĝ-: see fang) + -ite: from its texture
pegmatite Related Forms
pegmatite Usage Examples
Converse of object
intersect: Eight of the holes drilled on Oleninskoye intersected pegmatite within the area where the vein intersection was anticipated.
Adjective modifier
granitic: The minerals of the Cairngorms are generally associated with granitic pegmatites.
Modifies a noun
- field: Listings in the table represent several levels of information, including mines, mineral showings, deposits, and pegmatite fields.
- vein: These holes will be relocated to avoid intersecting these cross-cutting pegmatite veins.
- group: See Reference List for Publication Details 2. Oxide mineralogy of the Separation Rapids rare-element pegmatite group, N.W. Ontario, Canada.
Noun used with modifier
rare-element: The Separation Lake area is host to the most important rare-element pegmatites in Ontario, Canada.
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