Hard Creek Advances Development of the Turnagain Mill Flow Sheet
June 23 2008 - 10:18AM
Marketwired
VANCOUVER, BRITISH COLUMBIA is pleased to announce advancement
of the mill flow sheet design based on the metallurgical test
results for its wholly owned Turnagain Property, located 70 km east
of Dease Lake, BC. The metallurgical testing conducted by the
Xstrata Process Support Group (XPS) in Sudbury, Ontario is a
continuation of the program recommended by AMEC Americas Limited of
Vancouver, BC in their report entitled "Preliminary Assessment of
the Turnagain Nickel Project" (AMEC PA) provided in January
2008.
Under the direction of Hard Creek Nickel Corporation (HNC) and
Hoffert Processing Solutions Inc. (HPS), XPS completed a detailed
set of Quantitative Evaluation of Minerals by Scanning Electron
Microscope (QEM-SEM) and Electron Probe Micro Analyzer (EPMA). The
analysis was correlated to preliminary flotation tests on 16
variability composite samples obtained from the 2007 drill
program.
The 16 variability composites are typical of the mineralization
found at the Turnagain deposit. These composites represent the
characteristic lithological domains, and include a range of sulphur
and magnesia concentrations found within the pit boundaries defined
by the AMEC PA report.
The XPS report "Hard Creek Nickel Corporation - Turnagain
Project Ore Characterization", June 2008, identified the main
nickel sulphide mineral as pentlandite occurring with a broad grain
size population. Mineral association data indicates medium to
coarse pentlandite is associated with pyrrhotite and magnetite.
Fine pentlandite has a greater proportion of mineral associations
with silicates such as serpentine and olivine. Preliminary
flotation kinetic tests at XPS support a primary grind size between
75 and 80 ï¿1/2m. Future regrind work will be targeted to liberate
the fine grained pentlandite in the flotation cleaner circuit.
HNC and HPS are continuing the development of the mill process
flow sheet with grindability testing at SGS Lakefield in Ontario on
PQ drill core collected in 2007. Flotation and optical mineralogy
test work on the 16 variability composites at G&T Metallurgical
Services in Kamloops, BC is due to be completed this year.
Completion of this work is intended to define the reagent scheme
and nickel flotation kinetics for future pilot plant testing.
The XPS results do not represent a material change with respect
to the affairs of Hard Creek Nickel Corporation. It is anticipated
that a Technical Report will be completed for filing in the first
quarter of 2009 upon completion of the ongoing 2008 drilling
program and metallurgical test work.
MARK JARVIS, President
HHARD CREEK NICKEL CORPORATION
The TSX Venture Exchange does not accept responsibility for the
accuracy or adequacy of this news release.
Contacts: Hard Creek Nickel Corporation Tom Corcoran Corporate
Communications (604) 681-2323 Email: info@hardcreek.com Website:
www.hardcreeknickel.com
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