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Rokmaster Resources Corp (2)
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Rokmaster drills 2.83 m of 3.65 g/t AuEq at Revel Ridge

2022-12-05 09:24 ET - News Release

Mr. John Mirko reports

ROKMASTER FURTHER EXPANDS MINERALIZATION TO THE NW AT REVEL RIDGE

Rokmaster Resources Corp. has released the final drill core assay results from the summer, 2022, drill program at the Revel Ridge project.

The primary objective of the summer, 2022, drill program was to test and expand the mineralized zones external to the boundaries defined by the 2021 mineral resource estimate (MRE). The bulk of the total 4,803 metres drilled were committed to expanding the Revel Ridge main zone (RRMZ) and Revel Ridge Yellowjacket zone (RRYZ) to the northwest at deeper levels. This drilling targeted mineralized zones, down-dip of selected 2021 drill holes completed to the northwest of the 832 Portal, adjacent to the 2021 MRE volumes at depth.

Substantial extensions of the RRMZ were achieved 900 metres to the southeast and 3,075 m northwest by shallow drill holes which intersected the RRMZ mineralized structural zone, further increasing the potential on the project which enjoys an ideal development location.

Drill holes RR22-103 to RR22-105 were collared 150 m to the northwest of drill holes RR22-99 to RR22-102a. These three drill holes targeted a favourable limestone-quartzite contact which hosts strong RRMZ massive sulphide mineralization in drill hole RR22-102a (8.84 g/t (grams per tonne) gold equivalent (AuEq) over 4.2 m; see Rokmaster's news release dated Sept. 26, 2022) and RR22-101 (6.73 g/t AuEq over two m; see Rokmaster's news release dated Nov. 28, 2022). The RRMZ was intersected in each drill hole, with RR22-104 and RR22-105 encountering the RRMZ at this optimal contact as it moderately plunges to the northwest.

Drill holes RR22-107 to RR22-109 targeted the RRMZ below drill hole RR22-102a to test and expand the 2021 MRE to the northwest at deeper levels. Typical RRMZ structural and alteration features were successfully intersected in all three drill holes, with drill holes RR22-107 and RR22-109 hosting banded massive sulphide mineralization.

Drill hole RR22-106 was collared 3,075 m to the northwest of the drill holes RR22-103 to RR22-105, where a strong soil geochemistry anomaly and coincident geological mapping suggests the continuation of the RRMZ. This target was tested in 2021 by drill holes RR21-67 and RR21-68, with the former returning anomalous assays including 0.7 g/t Au over 1.9 m within a zone of strong alteration proximal to a limestone-phyllite contact. Notably, this contact is precisely where the RRMZ is expected to occur when extrapolating the structural plane from the 2021 northwestern drill holes, all of which intersected the RRMZ ductile deformation structure and related alteration.

During this program, RR22-106 was completed as a shallow drill hole 250 m to the northwest of RR21-67 targeting a continuous and linear soil geochemical anomaly. In DDH RR22-106 a similar limestone-phyllite contact was encountered, with the foot wall graphitic phyllite hosting an anomalous assay of 0.26 g/t Au over three m. Due to topography, this intersection of the RRMZ is at an elevation approximately 770 m vertically higher than the 830 level underground workings, which potentially affects the strength of the sulphide mineralization.

Drill hole RR22-106 represents a significant strike extension to the RRMZ, with the distance to the Zinc Creek drill holes to the southeast (see the news release dated Sept. 26, 2022) totalling 5,720 m. This drill hole, in concert with the 2021 drilling, opens a significant area of the RRMZ to explore, where deeper drilling may encounter more robust sulphide mineralization.

John Mirko, president and chief executive officer, comments: "The drill programs completed at the Revel Ridge project in 2022 pushed the limit of the RRMZ without reaching the end. This remarkable and unique orogenic gold-polymetallic system is persistent over 5.7 kilometres and still remains open along strike and at depth. It should be emphasized that the current MRE is built using an array of drill holes over a strike length of approximately 1.8 kilometres, or only 32 percent of the currently known strike length of the RRMZ.

"The drilling of the northwestern extension, highlighted by drill holes RR22-102a, -101 and -104, exemplify that, with broad drill hole spacing, new areas of strong RRMZ mineralization can be discovered. More drilling to find amenable lithological hosts, contacts and permissive structural sites that strengthen the RRMZ is required to realize the true potential.

"All drill hole data has been delivered to the engineering and resource estimation firms who are moving forward on the update to the PEA [preliminary economic assessment] and updated resource estimate. The updated PEA will be incorporating the 2021 resource update (see below), in addition to the recent metallurgical break-through that demonstrably improves gold recoveries. Both the updated PEA and resource estimate are expected in early 2023."

Quality assurance/quality control (QA/QC). 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 QA/QC program using blanks, standards and duplicates was utilized to monitor analytical accuracy and precision. QA/QC 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 an 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 Au 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-g pulp with an AAS finish with a detection range between 0.01 and 100 ppm (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 which has been the subject of a PEA technical report dated Dec. 8, 2020, and a technical report of an updated National Instrument (NI) 43-101 mineral resource estimate on the Revel Ridge property dated Jan. 17, 2022. The 2022 drill programs are 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 (M&I): 1.36 million gold equivalent ounces contained within 6.73 million tonnes with an average grade of 6.27 g/t AuEq;
  • Inferred: 1.22 million AuEq ounces contained within six million tonnes at an average grade of 6.33 g/t AuEq.

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