Assays had been accomplished at ALS International Laboratory, North Vancouver, BC as follows:
*Cu-OG62: Customary assay, aqua regia solvent for copper oxides and sulphides, 4 acid digestion and ICP end 0.4g pattern **Cu-AA05: Leach take a look at for complete oxide copper, 5% H2SO4 Leach (AAS) ready pattern (0.5g) is leached with 5% sulphuric acid. ***Cu-AA07n: Leach take a look at for complete oxide copper, H2SO4/Na2SO3 Leach (AAS) When uncovered to dilute H2SO4/Na2SO3 options Cu oxide dissolved. The pattern (1 g) is leached in 50 mL of dilute H2SO4/Na2SO3 for 1 hour. ****Cu-AA08q: Leach take a look at for complete oxide copper, H2SO4 / Fe2SO4 (AAS) The pattern (~ 1.0 g) is shaken in H2SO4 / Fe2SO4 for half an hour.
The Copper Island property is a Purple-Mattress Copper deposit situated proximate to Campbell River, British Columbia and the Firm’s close by Murex Copper Undertaking. The Property is underlain by Karmutsen volcanics, which encompass extremely fractured and sheared Karmutsen Formation amygdaloidal andesitic circulate rocks stuffed with calcite, quartz, chlorite, actinolite or prehnite. Minerals of curiosity are chalcocite (CuS), a secondary mineral of copper, with subordinate and native occurrences of bornite (Cu5 FeS4) cuprite (Cu2O), malachite (Cu CO3 (OH )), and native copper (Cu), in extremely oxidized materials. Chalcocite happens within the higher-grade showings as partial to finish alternative of amygdules within the higher portion of particular person circulate constructions (much like Keweenan, Level Michigan, copper-bearing basaltic flows). Historic sampling recognized acid leachable vanadium which accommodates highest vanadium values in a black siliceous sediment, overlying a copper mineralized circulate.
The Pomeroy 3, 4 Zone mineralization happens over a strike size of roughly 750 toes, largest of the quite a few Cu-Ag zones recognized. Mineralization follows a northwest to north trending formation of amygdaloidal basaltic flows, with necessary E-W to ENE-SSW trending cross fault/fracture zones. A number of parallel zones have been recognized (e.g. Copper Valley, Butte, Copper Bell, Colleen, Vanadium & Ingersoll). The Pomeroy zones have massive areas of copper mineralization in a calcite crammed amygdules and veinlet stockwork that’s evident all through the property. The opposite mineralized zones encompass elevated quartz, calcite veining, and copper sulphides in as much as 30 toes large altered and fractured zones traced intermittently for as much as 600 toes on floor.
Historic Exploration and Growth Work
Appreciable earlier work has been carried out on the Pomeroy Group copper-silver bearing mineralization. Trendy exploration started in 1952-53, when Dodge Copper carried out an in depth exploration program of trenching and diamond drilling. Dodge Copper drilled 145 holes totaling 8800 toes on numerous deposits. Intensive drilling and trenching of the mineralized zones had been accomplished by Prince Stewart Mines Ltd. in 1972-74 leading to a useful resource and reserve estimate totaling 50,886,710 lbs. of copper. In 2011, the claims had been acquired by Copper Island Mines Ltd, and a program of geochemical sampling was carried out on the Pomeroy, Beaver and Colleen Zones. A good portion of geochemical sampling returned >2% Cu from quite a few new & historic copper-silver bearing mineral occurrences (Betmanis, 2012).
2023 Exploration Outcomes:
Pomeroy 1 23CIR-3 7.46% Cu 23CIR-4 8.48% Cu 23CIR-5 4.51% Cu 23CIR-6 3.28% Cu
Copper Bell 23CIR-7 14.7% Cu 23CIR-8 3.42% Cu
Property Mineral Occurrences
Historic estimates had been accomplished previous to NI 43-101, whereas accomplished by certified geologists and/or engineers of their day they’re historic in nature.
The next record describes historic sources of 9 British Columbia Ministry of Mines, Vitality, and Carbon Discount MINFILE occurrences situated inside Copper Island mineral claims:
POMEROY 1: 16,500 tons @ 3.67% Cu 1,211,100 lbs. Cu
POMEROY 2: PROVEN: 5,000 tons @ 2.70% Cu INDICATED: 17,000 tons @ 2.70% Cu 270,000 + 918,000 = 1,188,000 lbs. Cu
POMEROY 3+4 PROVEN: 972,400 tons @ 1.22% Cu INDICATED: 472,000 tons @ 1.62percentCu 23,726,560 + 15,292,800 = 39,019,360 lbs. Cu
POMEROY 5: 58,500 tons @ 1.00% Cu 1,170,000 lbs. Cu
BEAVER 1: 19,375 tons @ 1.74% Cu 674,250 lbs. Cu
HALL: PROVEN: 5,000 tons @ 3.45% Cu INDICATED: 50,000 tons @ 2.40% Cu 674,250 + 2,400,000 = 3,074,500 lbs. Cu
COPPER BELL 1 + 2: 112,000 tons @ 2.55% Cu 5,737,500 lbs. Cu
*Reserve Estimates – Sheppard, 1974. Prince Stewart Mines Ltd.
Certified Individual
Andris Kikauka (P.Geo) is a Certified Individual in accordance with Nationwide Instrument 43-101 – Requirements of Disclosure for Mineral Initiatives , and has reviewed and authorized the scientific and technical content material of this information launch.
On behalf of the Board of Administrators of
North Bay ResourceS INC.
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