Rokmaster Resources Corp. (TSX-V: RKR) (OTCQB: RKMSF) (FSE: 1RR1) is pleased to present further assay results from diamond drill holes RR20-01 – RR20-11 from its ongoing drill program at the Revel Ridge polymetallic gold-silver Project which demonstrate the remarkable continuity of structurally controlled gold mineralization in the Revel Ridge Main Zone and the parallel Footwall Zone, and significant silver grades in the Yellowjacket Zone.
Rokmaster has currently completed 27 diamond drill holes in the 2020 and 2021 programs, totalling 9,304 m of NQ sized drill core. The plan map illustrating the collar locations of all of the drillholes collared to date in the 2020 and 2021 programs is presented on the digital link Figure 1. Plan View Collar Locations, and the location of all drillholes completed in 2020 and 2021 are illustrated on the block model presented on the digital link Figure 2. Main Zone Block Model, also available at www.rokmaster.com.
Out of the 11 drillholes (RR20-01 to RR20-11) for which all assays have been received to date, 8 of the 11 boreholes intersected gold equivalent grades and widths which would be included in an inferred resource calculation using the parameters described in the December 2020 Preliminary Economic Assessment study (Rokmaster news release dated December 8, 2020). Assay results of one of these drillholes, DDH RR20-11, has been previously released (Rokmaster news release dated December 11, 2020).
The results from drillholes RR20-03, 04, 05, 06, 07, 09 and 10 are presented in Table 1.
John Mirko, President and CEO and Rokmaster, commented: “Successfully targeting the RRMZ mineralization over long step-out distances both along strike and up and down dip is a clear testament to the remarkable continuity of the deformation zone that hosts the gold and poly metallic mineralization within the RRMZ. The observation that significant gold mineralization has been repeatedly cut, on an estimated 50 – 100 m centres, with an approximate 75% success rate, is an outstanding ratio for any gold deposit. Drilling has also shown that while the RRMZ mineralization is highly planar, the higher-grade silver mineralization associated with the Yellowjacket Zone, is likely located in a deformed anticlinal fold. This structure may thicken the silver enriched RRYJ sulphides in the keel and stack the same sulphide horizon, at least twice, along its limbs. Both the RRMZ and RRYJ remain open in several directions. With the continued success of our ongoing drilling, we anticipate a revised resource calculation for the Project in the coming months.”
Table 1. Summary of the Selected Assay Results of Revel Ridge Main Zone Mineralization
|Au g/t||Ag g/t||Pb %||Zn %||Zone||AuEq
Reported widths of mineralization are drill hole intervals or core length recovered. Insufficient data exists to permit the calculation of true widths of the reported mineralized intervals.
*The metal values used in the gold equivalent calculations of US$1,561/oz Au, US$20.55/oz silver, US$0.91/lb lead and US$1.07/lb zinc, are based on the consensus average long-term price forecasts published by a major commercial bank at the end of October, 2020, as per the Technical Report, with an effective date of December 8, 2020 by Micon International Limited, entitled: An Updated Preliminary Economic Assessment Of The Revel Ridge Project, Revelstoke, BC, Canada, for Rokmaster Resources Corp. The formula used to calculate gold equivalence for the RRMZ and RRFZ is: AuEq = Au g/t + (Ag g/t x 0.013) + (Pb% x 0.4) + (Zn% x 0.47). The formula used to calculate silver equivalence for the RRYJ is: AgEq = Ag g/t + (Au g/t x 75.96) + (Pb% x 30.3) + (Zn% x 35.6).
Quality Assurance/Quality Control. Dr. Jim Oliver, P. Geo. supervised all aspects of the drilling and sampling undertaken in the 2020 underground diamond drill program. All samples have been collected from ½ NQ core, sawn with a diamond saw with the sample intervals marked by technical personnel. A full QAQC program using blanks, standards and duplicates was utilized to monitor analytical accuracy and precision. The samples were sealed on site and shipped to MSA Labs in Langley, British Columbia. MSA is an ISO 17025 (Testing and Calibration Laboratory) and an ISO 9001 (Quality Management System) Certified Laboratory. Core samples were crushed to 2 mm and a 250 gram sub sample was pulverized with 85% of the sample passing 75 microns. The sub sample was analysed using a combination of MSA Labs FAS211 for Au and ICP–240 (4 acid digestion) for silver, base metals and other trace elements. FAS211 for gold is an ore grade fire assay of a 30 g pulp with an AAS finish with a detection range between 0.01 and 100 ppm). ICP-240 utilizes four acid digestion and provides ore grade analytical data on silver, base metals and 26 other elements.
The technical information in this news release has been prepared in accordance with Canadian regulatory requirements as set out in National Instrument 43-101 and reviewed and approved by Mark Rebagliati, P. Eng., FEC, who is independent of Rokmaster.
Rokmaster controls a portfolio of three significant exploration and development projects all of which are located in southern British Columbia in regions of excellent infrastructure. The three projects include:
Duncan Zinc. Duncan is a carbonate hosted silver-lead-zinc deposit located near Duncan Lake in southern British Columbia. The deposit is hosted within a Cambrian age Badshot Limestone which also hosts Ag-Pb-Zn mineralization at Teck’s currently producing Pend D’Oreille mine as well as past producers including the Blue Bell Mine, Reeves MacDonald, Jersey-Emerald and HB mines. Mineralization at Duncan Lake forms in the crest and limbs of the regional scale Duncan Lake anticline, where strong lead-zinc +/- silver mineralization has been traced by surface and underground drilling for approximately 2500 m. At Duncan Lake, Rokmaster will be targeting > 30 Mt of >10% Pb+Zn+Ag. Historical background and a geological synthesis of the Duncan Lake deposit is provided in a NI 43-101 report by Lane, B., 2018: Technical Report on the Duncan Lake Project.
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