01:13:34 EST Wed 07 Dec 2022
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or Name

Rokmaster Resources Corp (2)
Symbol RKR
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Close 2022-09-26 C$ 0.10
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Rokmaster extends Revel Ridge Main zone

2022-09-26 09:39 ET - News Release

Mr. John Mirko reports


Rokmaster Resources Corp. has successfully extended the Revel Ridge Main zone (RRMZ) a further 925 metres to the southeast and 290 metres to the northwest, in addition to releasing initial assay results of the continuing summer 2022 diamond drill program at the Revel Ridge project.

John Mirko, president and chief executive officer, commented: "To be consistently hitting good-grade intersections on 120-metre stepouts is significant in any deposit class. After almost two years of near-continuous drilling totalling 40,835 metres in 105 broadly spaced drill holes, it is astounding that we have yet to define the limits of the RRMZ.

"We are excited by the successful intersection of the RRMZ 925 metres to the southeast and 290 metres to the northwest, further expanding our potential mineralized sections. The drill data suggests the full potential Revel Ridge remains to be tested, waiting only for that next series of drill holes. Together with the outstanding efforts of our metallurgical teams in obtaining 96.8-per-cent gold recoveries from Revel Ridge ores (see press release dated Sept. 7, 2022), we have lots to look forward to.

"In 2023, we plan to update our mineral resource estimate with the drill hole data from our ongoing summer program and spring 2022 drill programs. The project is already British Columbia's largest undeveloped high-grade underground gold deposit situated proximal to ideal infrastructure. We will continue our efforts and achievements of constantly improving the many dynamics on the pathway towards production."

Initial assay results of summer diamond drill program

The continuing summer 2022 program drill holes targeted the RRMZ downdip of certain drill holes completed during the surface drilling campaign in 2021. A total of seven drill holes have been collared from two drill pads approximately 400 metres and 550 metres to the northwest of the 830 portal. Drill holes RR22-99 to RR22-105 cut RRMZ mineralization on approximately 120-metre centres. These broad and successful stepouts were designed to rapidly expand the mineralized volume outside of the mineral resource estimate block model. Assay results for drill holes currently received from the laboratory are tabulated in the attached table.

Drill holes RR22-99 and RR22-101 achieved strong RRMZ intersections as the deformation zone dilated at a favourable limestone-quartzite contact. Each drill hole also encountered the Revel Ridge Yellowjacket zone (RRYZ) approximately 30 metres in the hangingwall to the RRMZ. This is a significant expansion of the RRYZ, with a distance of approximately 115 metres between drill holes RR21-50 and RR22-99. Assay results for RR22-102a to RR22-105 are pending and will be reported when received.

The first three shallow drill holes of the summer 2022 drill program were committed to testing the Zinc Creek showing. Drill holes RR22-96, RR22-97 and RR22-98 all intersected metre-scale deformation zones with sericite alteration hosting centimetre-scale bands of massive sulphide mineralization. The strongest of the three drill holes, RR22-98, cored the RRMZ, 925 metres along strike from previous drill holes. RR22-98 cut narrow bands of polymetallic sulphides hosted within sericite and calcareous phyllites.

Historic surface drilling, around 1991, clearly indicates that the southeastern expression of weaker mineralization within the RRMZ often expands and forms significant mineralized volumes down the plane of the RRMZ. Changes in grade and width of the RRMZ in the southeast may be a function of:

  • The RRMZ cutting incompetent calcareous phyllites, weak hosts to mineralization near surface;
  • The RRMZ progressively cutting more competent rock units and stronger hosts to mineralization at depth.

The significance of drill hole RR22-98 is not in the scale of the mineralized interval that it cuts, but rather in the observation that the drill hole successfully identifies the very persistent RRMZ almost one kilometre to the southeast of previous drilling. With knowledge of the position of the RRMZ, Rokmaster's technical team will seek to define the location of permissive host lithologies, stronger dilatant points and stronger mineralized intervals within this unique gold-enriched deformation zone.

Quality assurance/quality control

Dr. Jim Oliver, PGeo, supervised all aspects of the drilling and sampling undertaken in the 2021 and 2022 underground and surface diamond drill programs. All drill core assay samples have been collected from one-half NQ core, sawn with a diamond saw with the sample intervals marked by technical personnel. A full quality assurance/quality control program using blanks, standards and duplicates was utilized to monitor analytical accuracy and precision. Quality assurance/quality control samples are submitted approximately at every 20th sample, or a minimum of 5 per cent of the total sample stream. Appropriate standards are used to provide quality control information on high-grade and medium-to-low-grade samples. A limestone blank is inserted after select samples that have macroscale characteristics of higher-grade mineralization. Duplicate samples are repeat analysis of designated primary sample pulps. The samples were sealed on site and shipped to MSALABS in Langley, B.C. MSALABS is an ISO 17025 (testing and calibration laboratory) and ISO 9001 (quality management system) certified laboratory. Drill core samples were crushed to two millimetres and a 500-gram subsample was pulverized, with 85 per cent of the sample passing 75 microns. The subsample was analyzed using a combination of MSALABS FAS211 for gold and ICP-240 (four-acid digestion) for silver, base metals and other trace elements. FAS211 for gold is an ore-grade fire assay of a 50-gram pulp with an AAS finish with a detection range between 0.01 part per million and 100 parts per million). 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 Eric Titley, PGeo, who is independent of Rokmaster and who acts as Rokmaster's qualified person.

About Rokmaster Resources Corp.

Rokmaster's flagship Revel Ridge project is host to a high-grade gold and polymetallic orogenic sulphide deposit that has been the subject of a PEA (preliminary economic assessment) technical report dated Dec. 8, 2020, and a technical report of an updated NI 43-101 mineral resource estimate on the Revel Ridge property, dated Jan. 17, 2022, filed on SEDAR. The current drill program is designed to efficiently expand the volume of the Revel Ridge Main zone as defined by the updated mineral resource estimate, which currently remains open in all directions:

  • Measured and indicated (measured and indicated): 1.36 million gold equivalent ounces contained within 6.73 million tonnes with an average grade of 6.27 grams per tonne gold equivalent;
  • Inferred: 1.22 million gold equivalent ounces contained within six million tonnes at an average grade of 6.33 grams per tonne gold equivalent.

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