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Doleritic

   Also found in: Hutchinson 0.06 sec.
dol·er·ite  (dl-rt)
n. Chiefly British
A dark, fine-grained igneous rock; diabase.

[French dolérite, from Greek doleros, deceitful (from its easily being mistaken for diorite), from dolos, trick; see del-2 in Indo-European roots.]

doler·itic (-rtk) adj.


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The mineralisation occurs along a plunge distance of some 250 metres to an approximate depth of 150 metres and it occurs irregularly on the crest and flanks of the arched doleritic intrusion.
: the Du River Prospect, comprising mesothermal gold veins in gabbros; the Kui copper anomaly, comprising copper veins in doleritic sea-floor volcanics; and the Simboma gold anomaly, comprising epithermal gold veins in andesitic sea-floor volcanics.
Bowutu Mountains license contains three main areas of interest; the Du River Prospect comprising mesothermal quartz arsenopyrite-gold veins in gabbros, the Kui copper anomaly with quartz-chalcopyrite veining in doleritic sea-floor volcanics and the Simpoma gold anomaly, comprising epithermal gold veins accompanying argillic alteration in andesitic sea-floor volcanics.
 
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