Drills 304.2 Metres Of 0.79% Cueq At Kwanika
NORTHWEST COPPER (TSX.V: NWST) REPORTS LONG INTERCEPT OF HIGH GRADE IN THE HEART OF KWANIKA - 304.20 METRES AT 0.79% CUEQ INCLUDING 36.70 METRES OF 2.07% CUEQ
Northwest Copper has released results from hole K-22-242 drilled in the middle of the Kwanika Central zone. This hole includes multiple plus-1-per-cent copper equivalent (CuEq) intervals surrounding a thick zone of continuous high-grade. Highlights include:
"K-22-242 highlights the strong mineralization that forms the core of the high-grade zone at our flagship Kwanika project," said president and chief executive officer Peter Bell. "It displays consistent high copper and gold grades over long intervals, with mineralization over most of the length of the hole, punctuated by multiple zones of over 3 per cent copper equivalent. The chalcopyrite and bornite mineralization is typical of this part of Kwanika. These patterns of rock type, alteration and style of mineralization are similar to many other holes in this part of the Kwanika deposit, and drilling continues to demonstrate excellent lateral continuity of high-grade Central zone mineralization."
Drill results discussion
This is the 16th drill hole released from the 2022 program at Kwanika, which comprises 30 holes. Assay turnaround continues to be slower than anticipated. The 2022 drilling program at Kwanika combines holes to expand the mineralized footprint as well as to identify and further delineate high-grade zones within the deposit.
Mineralization is primarily hosted by diorite and monzonite intrusions, which are cut by more weakly mineralized dikes. The high-grade mineralization occurs within strong potassic alteration associated with quartz-sulphide veins, variably affected in the upper part of the intersection by younger sericite alteration. The upper portion of the mineralized interval is oxidized, and contains supergene native copper and chalcocite, whereas the majority of mineralization comprises vein-hosted and disseminated hypogene chalcopyrite and lesser bornite. The high-grade mineralization begins at the base of a more modestly mineralized interval of strongly oxidized rock from which some of the original copper may have been leached.
Quality assurance/quality control
Drilling completed at Kwanika in 2022 was supervised by on-site Northwest personnel who collected and tracked samples and implemented a full QA/QC program using blanks, standards and duplicates to monitor analytical accuracy and precision. The samples were sealed on-site and shipped to Bureau Veritas (BV) in Vancouver, B.C., and to Agat Laboratories (AGAT) in Calgary, Alta. BV's quality control system complies with global certifications for quality (ISO 9001: 2008). Core samples were analyzed using a combination of BV's MA200 process for low level concentrations (ICP-MS (inductively coupled plasma mass spectrometry)/four-acid digestion) and the MA370 process for higher level concentrations (ICP-ES (inductively coupled plasma emission spectrometry)/four-acid digestion). Gold assaying was completed with FA430, a 30-gram fire assay with AAS (atomic absorption spectroscopy) finish. Base metal overlimits were finalized with titration where required, with gold overlimits completed with a gravimetric finish. Agat's quality control system complies with global certifications for quality (ISO 9001: 2015). Core samples were analyzed using a combination of Agat's 201-071 process for low level concentrations (ICP-MS/four-acid digestion) and the 201-079 process for higher level concentrations (sodium peroxide fusion/ICP-OES (inductively coupled plasma optical emission spectrometry)). Gold assaying was completed with 202-055, a 30-gram fire assay with ICP finish. Base metal overlimits were finalized with fusion/ICP-OES method.
Technical aspects of this news release have been reviewed, verified and approved by Tyler Caswell, PGeo, principal geologist of Northwest, who is a qualified person as defined by National Instrument 43-101 -- Standards of Disclosure for Minerals Projects.
DISCLAIMER: Northwest Copper is a paid marketing client*
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