Rupert Resources Ltd (TSX-V:RUP) a company advancing the multi-million-ounce Ikkari gold deposit and new regional discoveries at the company’s 100% owned Rupert Lapland Project in Northern Finland, is pleased to announce that new drilling (figure 1) at its flagship Ikkari discovery has extended near-surface, high-grade mineralisation.
Ikkari has a National Instrument 43-101 mineral resource estimate of 49 million tonnes at 2.5 grams per tonne gold for 3.95 million inferred ounces (see Sept. 13, 2021 press release) 1. Over 45,000 metres of drilling has now been completed at Ikkari since its maiden resource statement (location of new holes see figure 1), focused on upgrading and exploring the limits of the Ikkari resource estimate.
New drilling at Ikkari extends near-surface high-grade zone to the east (figures 2 and 3):
In central Ikkari, further high-grade results were received, confirming widths of mineralised zones:
Drilling at depth in the Ikkari deposit continues to confirm gold intercepts at the limits of September 2021’s maiden resource estimate:
James Withall, CEO of Rupert Resources commented “The new drilling at Ikkari continues to impress with more indications of near-surface, high-grade material in the eastern section of the deposit with the drilling providing yet further proof of Ikkari’s characteristic exceptional continuity and potentially broad mining widths, which we expect to be captured in the preliminary economic assessment.”
New Ikkari drill results and exploration update
Results from six new holes at Ikkari (figure 1) have further confirmed near-surface, high grade mineralisation as well as adding to the depth of the mineralised zone. These results, from holes drilled mostly from the northern side of the deposit, during winter, confirm widths of the mineralised zones and improve continuity of high grades across the main mineralised zone by demonstrating the low variance of grade distribution. For example, in the eastern part of the deposit, hole 122057 includes a substantial intercept of 8g/t Au over 59m from 116m below surface (figures 2 and 3), which improves on previously reported grades on this section, and in the central part of the deposit hole 122090 also returns a high-grade intercept of 6.3g/t over 47m from 173m vertical (figure 1).
Further drilling at depth in the deposit has also improved grades at the lower margins of the reported Resource estimation, with hole 122068 reporting 3.7g/t Au over 13m from 440m vertical (figure 2).
An updated resource and accompanying preliminary economic assessment will be completed in H2 2022. Approximately 75,000m of drilling is budgeted for the next twelve months targeting resource additions through satellites or extensions to Ikkari and elsewhere on Rupert’s five regional target areas.
Regional exploration continues with nearly 30,000m drilled on targets, including Heinä Central and Heinä South, since September 2021.
Figures & Tables
Figures and tables featured in the Appendix at end of release, include:
Geological interpretation of Ikkari
Ikkari was discovered using systematic regional exploration that initially focused on geochemical sampling of the bedrock/till interface through glacial till deposits of 5m to 40m thickness. No outcrop is present, and topography is dominated by low-lying swamp areas.
The Ikkari deposit occurs within rocks that have been regionally mapped as 2.05-2.15 billion years old Savukoski group greenschist-metamorphosed mafic-ultramafic volcanic rocks, part of the Central Lapland Greenstone Belt. Gold mineralisation is largely confined to the structurally modified unconformity at a significant domain boundary. Younger sedimentary lithologies are complexly interleaved, with intensely altered ultramafic rocks, and the mineralized zone is bounded to the north by a steeply N-dipping cataclastic zone. In general, alteration and structure appear to be sub-vertical, with lithologies generally dipping ~70 degrees north.
The main mineralized zone is strongly altered and characterised by intense veining and foliation that frequently overprint original textures. An early phase of finely laminated, grey ankerite/dolomite veins is overprinted by stockwork-like irregular siderite ± quartz ± chlorite ± sulphide veins. These vein arrays are often deformed with shear-related boudinage and in situ brecciation. Magnetite and/or haematite are common, in association with pyrite. Hydrothermal alteration commonly comprises quartz-dolomite-chlorite-magnetite (±haematite). Gold is hosted by disseminated and vein-related pyrite. Multi-phase breccias are well developed within the mineralised zone, with early silicified cataclastic phases overprinted by late, carbonate- iron-oxide- rich, hydrothermal breccias which display a subvertical control. All breccias frequently host disseminated pyrite, and are often associated with bonanza gold grades, particularly where magnetite or haematite is prevalent. In the sedimentary lithologies, albite alteration is intense and pervasive, with pyrite-magnetite (± gold) hosted in veinlets in brittle fracture zones.
About the Rupert Lapland Project
The Rupert Lapland Project is located in the epicentre of the Central Lapland Greenstone Belt, Northern Finland, where the company has made six new discoveries including the high quality Ikkari Project with an inferred mineral resource estimate of 49Mt at 2.5 g/t gold for 3.95 million ounces1. The Rupert Lapland Project also holds the permitted Pahtavaara mine and mill (on active care & maintenance) within a regional land package of some 735km2. The Company acquired the project for USD2.5m in 2016 and is undertaking exploration both at the existing mine and across the region to demonstrate the potential for significant economic mineralisation. The Ikkari deposit and five other discoveries are located in a structural corridor that lies between the Kittilä Group allochthon to the north and the younger Kumpu Group basin to the south. The mineralised area is dominated by large E-W to ENE trending faults which have controlled broad to isoclinal folding within the sediment-dominated (Savukoski Group) rock package. A complex network of cross cutting structures has focused multi-stage fluid flow, with gold mineralisation associated with massive to fine-grained disseminated sulphides and concentrated at favourable structural intersections.
Review by Qualified Person, Quality Control and Reports
Dr Charlotte Seabrook, MAIG, RPGeo., Exploration Manager of Rupert, is the Qualified Person as defined by National Instrument 43-101 responsible for the accuracy of scientific and technical information in this news release.
Samples are prepared by ALS Finland in Sodankylä and assayed in ALS laboratories in Ireland, Romania or Sweden. All samples are under watch from the drill site to the storage facility. Samples are assayed using fire assay method with aqua regia digest and analysis by AAS for gold. Over limit analysis for >10 ppm Au is conducted using fire assay and gravimetric finish for assays over >100ppm Au. For multi-element assays, Ultra Trace Level Method by HF-HNO3-HClO4 acid digestion, HCl leach and a combination of ICP-MS and ICP-AES are used. The Company’s QA/QC program includes the regular insertion of blanks and standards into the sample shipments, as well as instructions for duplication. Standards, blanks and duplicates are inserted at appropriate intervals. Approximately five percent (5%) of the pulps and rejects are sent for check assaying at a second laboratory.
Base of till samples are prepared in ALS Sodankylä by dry-sieving method prep-41 and assayed for gold by fire assay with ICP-AES finish. Multi-elements are assayed in ALS laboratories in either of Ireland, Romania or Sweden by aqua regia with ICP-MS finish. Rupert maintains a strict chain of custody procedure to manage the handling of all samples. The Company’s QA/QC program includes the regular insertion of blanks and standards into the sample shipments, as well as instructions for duplication.
About Rupert Resources
Rupert Resources is a gold exploration and development company listed on the TSX Venture Exchange. The Company is focused on making and advancing discoveries of scale and quality with high margin and low environmental impact potential. The Company’s principal focus is Ikkari, a new high quality gold discovery in Northern Finland. Ikkari is part of the Company’s “Rupert Lapland Project,” which also includes the Pahtavaara gold mine, mill, and exploration permits and concessions located in the Central Lapland Greenstone Belt of Northern Finland. The Company also holds a 100% interest in the Surf Inlet Property in British Columbia, a 100% interest in properties in Central Finland and a 20% carried participating interest in the Gold Centre property located adjacent to the Red Lake mine in Ontario.
Table 1. Collar locations of new drill holes
|Hole ID||Prospect||Easting||Northing||Elevation||Azimuth||Dip||EOH (m)|
|Notes to table: The coordinates are in ETRS89 Z35 and all holes are surveyed at 3m intervals downhole and all core is orientated.|
Table 2. New Intercepts from Ikkari
No upper cut-off grade and a 0.6g/t Au lower cut-off applied. Unless specified, true widths cannot be accurately determined from the information available. Bold intervals referred to in text of release. Refer to https://rupertresources.com/news/ for details of previously released drilling intercepts. EOH– End of Hole. NSI – No significant intercept
Figure 1. Location of new Ikkari drilling (Graphic: Business Wire)
Figure 2. Long section schematic showing new intercepts at Ikkari (Graphic: Business Wire)
Figure 3. Cross section showing location of new drill hole #122057 (Graphic: Business Wire)
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