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felsic

   Also found in: Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
fel·sic  (flsk)
adj.
Containing a group of light-colored silicate minerals that occur in igneous rocks.
[fel(dspar) + s(ilica) + -ic.]
felsic  (flsk)
Relating to an igneous rock that contains a group of light-colored silicate minerals, including feldspar, feldspathoid, quartz, and muscovite. Compare mafic.
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prospect, hole KW06-01 was drilled vertically to 880 feet and encountered sheared and veined intermediate volcaniclastic andesite country rock and interbedded felsic rhyolite to rhyodacite units.
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Recent work on the 18 claim (450 hectares) copper property known has the "Shaylee" property have uncovered some very impressive native copper along with globs of massive chalcocite in quartz veins hosted by sericite schist derived from felsic volcanic & epiclastic sediment protholiths.
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A broad through-going garnet-chlorite-pyrite surface alteration zone, within felsic volcanic rocks, earlier mapped by the Company is coincident with the Redfox Lake Anomaly, providing strong geological evidence in support of the conductor.
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