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Re: Funaboard post# 151592

Tuesday, 05/17/2011 3:09:31 PM

Tuesday, May 17, 2011 3:09:31 PM

Post# of 233161
Notice the map and locations of the princess copper finds....this is from 2000.


http://www.nr.gov.nl.ca/mines&en/geosurvey/publications/commodities/copper.pdf



Copper production, when it resumes, will be dominated
by the mafic intrusion- and volcanic-hosted
deposits and it is the search for these deposit types
that will probably dominate future exploration. The
mafic intrusions of Labrador, particularly those that
contain primitive rocks of troctolite–gabbro composition,
offer good potential for further discoveries (see
companion volume on nickel), as do the volcanic terranes
of central Newfoundland. The search for VMS
deposits will most likely focus on the intermediate- to
mature-arc environments, which possess the best
potential for high-value, polymetallic
deposits of Buchans
type. The Avalon Zone volcanic
rocks have seen relatively
little exploration for
VMS deposits, however, it
has been suggested that the
shallow water–subaerial environments
that typify these
rocks may have potential for gold-rich VMS deposits.
The sediment-hosted environments, notably the
redbed and volcanic redbed environments, represent
promising grass-roots targets that elsewhere in the
world have proved to be major
sources of copper.
The porphyry environment
is also an underexplored
grass-roots target
that may have considerable
further potential, particularly
in the granitoid batholiths that
comprise much of the Newfoundland south coast. The
possible association of Cu–Au, or Fe oxide–Cu–Au,
porphyry mineralization with the epithermal systems
of the Avalon Zone is also a promising target for a
large part of the central and western Avalon Zone.

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