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diorite
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diorite

Igneous rock intermediate in composition between mafic (consisting primarily of dark-coloured minerals) and felsic (consisting primarily of light-coloured minerals) - the coarse-grained plutonic equivalent of andesite. Constituent minerals include feldspar and amphibole or pyroxene with only minor amounts of quartz.



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? Mentioned in ? References in periodicals archive
 
Gold mineralization at Lindero is intrusive-hosted within a dioritic porphyry.
Mansfield Minerals Inc.: Lindero Returns Exceptional Drill Hole LDH-19 by Business Wire
Drill Holes R05-03 (230az/-55dip) and R05-04 (042az/-45dip) were collared to test the southwest trending contact zone between ultramafic intrusive unit to the southwest and dioritic intrusive and Takla volcanic rocks to the northeast.
Buffalo Intersects Copper-Gold Mineralisation on the Red Property by Business Wire
The Red Property is a copper-gold porphyry prospect characterized by a northwest trending structural corridor that controls the emplacement of a broad dioritic intrusive complex where copper-gold mineralization is associated with diorite-porphyry dykes that cut older Takla Group volcanic rocks.
Buffalo Mobilizes Drill Rig to Red Property by Business Wire
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