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Pegmatitic

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peg·ma·tite  (pgm-tt)
n.
A coarse-grained granite, sometimes rich in rare elements such as uranium, tungsten, and tantalum.
[Greek pgma, pgmat-, something fastened together (from pgnunai, to fasten; see pag- in Indo-European roots) + -ite.]
pegma·titic (-ttk) adj.
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The hypersthene diabase grades upward into diabase with variable texture and grain size, and is locally aplitic, granophyric or pegmatitic.
Economic geology models 2. Melt inclusions of native silver and ... by Marshall, Dan / Geoscience Canada
SEQUENTIAL ALTERATION OF LARGE PYRRHOTITE CRYSTALS TO MARCASITE, SKELETAL PYRITE, AND GOETHITE IN PEGMATITIC CARBONATITES AND FLUORITE ORES AT OKORUSU, NORTH CENTRAL NAMIBIA.
Sequential Alteration of Large Pyrrhotite Crystals to Marcasite, ... by Transactions of the Missouri Academy of Science
Recent Exploration by Newmac to the east and southeast of the focus of previous exploration efforts on the property in the 1960's to early 80's has revealed a somewhat clustered group of newly discovered molybdenite occurrences which include localized high grade mineralization in pegmatitic sections.
Newmac Resources Inc.: Fox Molybdenum Project Review by Business Wire
 
 
 
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