Highgold drills 7.8 m of 9.7% ZnEq at Johnson
Highgold Mining Inc. has released new assay results from the 2020 exploration drilling program at its flagship Johnson Tract polymetallic gold project in south-central Alaska. Results reported today include intersections from two drill holes at the northeast offset (NEO) target from the southernmost of three drill cross-sections completed during the 2020 field season. Assays remain outstanding for 10 drill holes and will be released in batches as they are received and evaluated.Read More
- 7.8 metres at 6.1 per cent zinc, 1.6 per cent lead, 0.2 per cent copper, 0.7 gram per tonne gold, 36 g/t silver (9.8 per cent zinc equivalent), including 3.9 metres at 9.1 per cent Zn, 2.3 per cent Pb, 0.3 per cent Cu, 0.8 g/t Au, 47 g/t Ag (14.0 per cent ZnEq) in hole JT20-114;
- 2.0 metres at 13.2 per cent Zn, 0.6 per cent Cu, 0.3 g/t Au, five g/t Ag (15.4 per cent ZnEq), including 1.0 metre at 19.4 per cent Zn, 1.1 per cent Cu, 0.5 g/t Au, nine g/t Ag (23.0 per cent ZnEq) in hole JT20-112.
Today’s results highlight several important developments at Johnson Tract, including:
- The identification of new VMS-style (volcanogenic massive sulphide) mineralization at NEO in hole JT20-114;
- The recognition that mineralization is far more widespread between the JT deposit and NEO within the prospective dacite tuff stratigraphy than previously understood;
- The alteration and mineralization at NEO itself do not represent the fault-displaced equivalent of the JT deposit as previously thought, but instead, they are a second distinct zone of mineralization located on the same western side of the dacite fault as the JT deposit.
“These advancements in our understanding of the Johnson Tract geology represent a significant turning point for the project as they highlight the potential for mineralization anywhere within the key dacite tuff host stratigraphy northeast of the JT deposit,” commented president and chief executive officer Darwin Green. “Equally important, it means that the 2020 NEO drilling was centred too far to the west and the true target for the fault-displaced offset of the main deposit still lies farther to the east. Drilling of this more easterly target in 2021 will focus along a 600 m long gap between the main JT deposit and NEO, which has, as yet, been subject to little to no testing. This refined offset target is in addition to JT deposit expansion targets (building on the success of 2020), other dacite tuff-hosted targets including the new VMS-style mineralization, and new discovery-focused regional prospect targets, all of which will be drill tested in 2021.”
2020 drill program
The 2020 drill program totalled 16,418 metres in 32 completed drill holes. Assays remain outstanding for 10 drill holes and will be released in batches as they are received and evaluated. The Au-Cu-Zn-Ag-Pb mineralization associated with the JT deposit has been intersected over a strike length of 325 metres and a down-plunge distance of 400 metres and remains open for expansion along strike to the northeast and southwest and at depth.
Discussion of northeast offset target results and insights
A portion of the JT deposit is known to have been displaced at depth by the northeast-trending, steeply southeast-dipping dacite fault. The NEO target, located 500 to 800 metres to the northeast of the JT deposit, was theorized by former operators to be the potential faulted offset of the JT deposit based on similar alteration and mineralization styles.
In 2020, the company completed nine drill holes that were designed to test the NEO target across three cross-sections on 50- to 100-metre-spaced sections. Prior to the drilling, the company had correlated the mapped, shallow northwest-dipping Saddle faults at NEO with the key dacite fault to the south and focused drilling below these faults in an area of encouraging historic drill results. It became evident with each successive drill cross-section that the Saddle faults instead represented late thrust faults (reverse faults) similar to the regional scale Bruin Bay thrust fault to the west. Late in the season, the company ultimately identified steep, southeast-dipping faults under the Saddle faults at depth that could be correlated to the dacite fault. These insights, via the drill bit, were a key to revising the company’s interpretation of the NEO target.
The 2020 drill results previously reported by the company for the middle of the three cross-sections at NEO included 31.2 per cent Zn, 0.1 g/t Au, two g/t Ag, less than 0.1 per cent Cu over 0.7 metre at in hole JT20-101, and 3.0 g/t Au, seven g/t Ag, 2.0 per cent Cu, 3.1 per cent Zn over 0.8 metre in hole JT20-105 (see company press release dated Jan. 21, 2021). These intercepts were interpreted as distal-type mineralization similar to that found peripheral to the main JT deposit. The encouraging results reported today for the southernmost of the three cross-sections includes those for holes JT20-112 and JT20-114; assays for holes JT20-116 and JT20-119 are still pending.
Of particular note is the intersection of a previously unmapped mudstone unit in hole JT20-114 and the presence of laminated sulphide textures suggesting a possible VMS-style depositional environment. This a very encouraging development as it has long been postulated that volcanogenic massive sulphides (VMS-style mineralization) may be present in addition to the known epithermal-style zones at Johnson Tract.
The company continues to refine the working geology and alteration 3-D model for Johnson Tract with plans for additional evaluation of these prospective new targets. The updated geologic model identifies areas east and south of the 2020 NEO drilling for potential fault-displaced extensions of the JT deposit. This includes a 600-metre-long, poorly tested corridor between the JT deposit and the original NEO target that will be a focus for drilling in 2021.
JOHNSON TRACT PROJECT -- SIGNIFICANT NE OFFSET TARGET DRILL INTERSECTIONS Drill hole From To Length Zn Cu Pb Au Ag ZnEq AuEq (metres) (metres) (metres) % % % (g/t) (g/t) (%) (g/t) JT20-112 309.0 311.0 2.0 13.18 0.62 0.18 0.34 5.4 15.44 9.41 including 310.0 311.0 1.0 19.35 1.09 0.14 0.50 8.6 23.00 14.02 JT20-114 266.4 285.0 18.6 3.29 0.11 0.83 0.43 32.4 5.57 3.4 including 268.9 276.7 7.8 6.09 0.21 1.64 0.69 36.4 9.79 6.0 including 271.3 275.2 3.9 9.09 0.32 2.32 0.80 47.1 13.99 8.5 and 317.6 321.9 4.3 4.73 0.32 0.01 0.31 3.0 6.04 3.7 including 317.6 320.6 3.0 6.44 0.37 0.01 0.32 3.1 7.88 4.8 and 336.0 339.0 3.0 3.20 0.51 0.01 0.46 3.8 5.23 3.2 Notes Estimated true thickness is from 60 per cent to 90 per cent of drilled length. Length-weighted intervals are uncapped and calculated based on a two g/t gold equivalent cut-off. Gold equivalent and zinc equivalent are calculated by the same formula and assumptions used to report the JT deposit National Instrument 43-101 resource (effective date April 29, 2020) with metal prices of $1,350/ounce gold, $16/ounce silver, $2.80/pound copper, $1.20/pound zinc, $1/lb lead and does not consider metal recoveries.
About the Johnson Tract gold project
Johnson Tract is a polymetallic (gold, copper, zinc, silver and lead) project located near tidewater, 125 miles (200 kilometres) southwest of Anchorage, Alaska, United States. The 21,000-acre property includes the high-grade Johnson Tract deposit and at least nine other mineral prospects over a 12-kilometre strike length. Highgold acquired the project through a lease agreement with Cook Inlet Region Inc. (CIRI), one of 12 land-based Alaska native regional corporations created by the Alaska Native Claims Settlement Act of 1971. CIRI is owned by more than 9,100 shareholders that are primarily of Alaska native descent.
Mineralization at Johnson Tract occurs in Jurassic-age intermediate volcaniclastic rocks and is characterized as epithermal type with submarine volcanogenic attributes. The JT deposit is a thick, steeply dipping silicified body (average true thickness of 20 m to 50 m) that contains a stockwork of quartz-sulphide veinlets and brecciation, cutting through and surrounded by a widespread zone of anhydrite alteration. The Footwall copper zone is located structurally and stratigraphically below the JT deposit and is characterized by copper-silver-rich mineralization.
The JT deposit hosts an indicated resource of 2.14 million tonnes grading 10.93 g/t gold equivalent (AuEq) comprising 6.07 g/t Au, 5.8 g/t Ag, 0.57 per cent Cu, 0.80 per cent Pb and 5.85 per cent Zn. The inferred resource of 580,000 grading 7.16 g/t AuEq comprises 2.05 g/t Au, 8.7 g/t Ag, 0.54 per cent Cu, 0.33 per cent Pb and 6.67 per cent Zn. For additional details, see the National Instrument 43-101 technical report dated June 15, 2020, authored by James N. Gray, professional geoscientist, of Advantage Geoservices Ltd. Gold equivalent is based on assumed metal prices and 100-per-cent recovery and payabilities for Au, Ag, Cu, Pb and Zn. Assumed metal prices are $1350 (U.S.) per oz for gold, $16 (U.S.) per oz for silver, $2.80 (U.S.) per pound (lb) for copper, $1 (U.S.) per lb for lead and $1.20 (U.S.) per lb for zinc and are based on nominal three-year trailing averages as of April 1, 2020. Historical metallurgical testing on drill core samples has indicated that good gold and base metal recoveries and marketable concentrates can be expected, with concentrates that are low in deleterious elements.
Prior to Highgold, the project was last explored in the mid-1990s by a mid-tier mining company that evaluated direct shipping material from Johnson to the Premier mill near Stewart, B.C.
About Highgold Mining Inc.
Highgold is a mineral exploration company focused on high-grade gold projects located in North America. Highgold’s flagship asset is the high-grade Johnson Tract gold (Zn-Cu) project located in accessible south-central Alaska, United States. The company also controls a portfolio of quality gold projects in the greater Timmins gold camp, Ontario, Canada, that includes the Munro-Croesus gold property, which is renowned for its high-grade mineralization, and the large Golden Mile and Golden Perimeter properties. Highgold’s experienced board and senior management team are committed to creating shareholder value through the discovery process, careful allocation of capital and environmentally/socially responsible mineral exploration.
Ian Cunningham-Dunlop, professional engineer, vice-president of exploration for Highgold Mining and a qualified person (QP) as defined by Canadian National Instrument 43-101, has reviewed and approved the technical information contained in this release.
We seek Safe Harbor.
© 2021 Canjex Publishing Ltd. All rights reserved.
Brixton Metals drills two m of 1,898 g/t Ag at Langis
Brixton Metals Corp. has provided further high-grade silver results from its fall/winter exploration program at its wholly owned Langis project located in the Cobalt camp of Ontario, Canada. This press release includes assays from 78 shallow diamond drill core holes, LM-20-136 to LM-21-213 totaling 6,810.60m of NQ size core. The drill has been moved to the shaft 6 area where hole LM18-16 intercepted 2m of 10,584 g/t Ag in 2018.Read More
LM-20-166 cut 2m of 1898 g/t Ag from 29.6m, including 1m of 3630 g/t (116.7 oz/t) Ag
LM-20-165 cut 3m of 635 g/t Ag from 23.0m, including 1m of 1660 g/t Ag
LM-20-136 cut 3m of 479 g/t Ag from 6.5m, including 1m of 1095 g/t Ag
LM-21-205 cut 5m of 547 g/t Ag from 95.8m, including 1m of 2600 g/t Ag
LM-21-207 cut 9m of 272 g/t Ag from 126.3m including 1m of 501 g/t Ag, 0.33% Co
Chairman and CEO of Brixton, Gary R. Thompson stated, “We have now completed the planned 20,000m drill campaign at Langis and are excited to see continued high-grade silver intercepts and meaningful widths from our drilling. While we are keen to reach a maiden resource, we believe that additional drilling and potential bulk sampling may be required to achieve this goal. We plan to determine the next steps for Langis once we have received all the data from this drill program.”
Table 1. Drilling Highlights (LM-20-136 to LM-21-197). Hole ID From (m)To (m)Interval (m)Ag (g/t)Co (%)Ag (g/t * m) LM-20-136 6.50 9.50 3.00 479.00 1437 including 7.50 8.50 1.00 1095.00 1095 LM-20-138 13.20 17.20 4.00 154.72 619 including 16.20 17.20 1.00 332.00 332 LM-20-140 8.00 9.00 1.00 1580.00 0.10 1580 LM-20-143 7.00 15.00 8.00 26.41 0.12 211 including 10.00 11.00 1.00 29.20 0.87 29 LM-20-146 18.00 19.00 1.00 51.00 0.13 51 LM-20-158 44.20 56.20 12.00 54.89 659 including 54.20 55.20 1.00 128.00 128 including 55.20 56.20 1.00 160.00 160 LM-20-165 23.00 26.00 3.00 635.00 0.02 1905 including 24.00 25.00 1.00 1660.00 0.05 1660 LM-20-166 29.60 31.60 2.00 1898.00 0.03 3796 including 30.60 31.60 1.00 3630.00 0.06 3630 LM-20-167 37.40 38.40 1.00 722.00 0.03 722 LM-20-173 41.30 43.30 2.00 216.00 432 LM-21-186 45.30 46.10 0.80 289.00 231 LM-21-189 24.40 26.40 2.00 84.70 0.02 169 LM-21-194 54.50 57.50 3.00 465.37 1396 including 54.50 55.50 1.00 1290.00 1290 LM-21-195 20.40 28.40 8.00 111.46 892 including 23.40 24.40 1.00 482.00 0.03 482 including 24.40 25.40 1.00 126.00 126 LM-21-197 62.00 66.50 4.50 293.23 0.07 1320 including 62.00 63.00 1.00 836.00 0.28 836 Table 2. Drilling Highlights (LM-21-198 to LM-21-213). Hole ID From (m)To (m)Interval (m)Ag (g/t)Co (%)Ag (g/t * m) LM-21-198 61.50 69.50 8.00 56.40 451 including 61.50 62.50 1.00 141.00 141 including 65.50 66.50 1.00 135.00 135 LM-21-199 52.80 54.80 2.00 77.40 155 including 52.80 53.80 1.00 125.00 125 LM-21-199 61.80 74.80 13.00 56.31 732 including 65.80 66.80 1.00 153.00 153 including 71.80 72.80 1.00 376.00 376 LM-21-200 47.50 51.90 4.40 38.93 0.02 171 LM-21-201 51.20 70.20 19.00 39.77 756 including 64.20 65.20 1.00 94.60 95 including 65.20 66.20 1.00 94.90 95 LM-21-203 61.50 65.50 4.00 87.28 349 including 61.50 62.50 1.00 257.00 257 LM-21-205 95.80 100.80 5.00 547.44 0.03 2737 including 98.80 99.80 1.00 2600.00 0.07 2600 LM-21-206 139.90 146.90 7.00 170.50 0.08 1193 including 143.75 144.90 1.15 705.00 0.53 811 LM-21-207 126.30 135.30 9.00 272.27 0.04 2450 including 126.30 127.30 1.00 982.00 982 including 127.30 128.30 1.00 501.00 0.33 501 including 129.30 130.30 1.00 301.00 301 including 130.30 131.30 1.00 422.00 422 LM-21-208 136.90 139.90 3.00 78.50 236 including 137.90 138.90 1.00 149.00 0.02 149 LM-21-208 156.90 157.90 1.00 416.00 416 LM-21-210 139.90 140.90 1.00 121.00 121 LM-21-211 178.00 180.00 2.00 66.25 133
Intervals represent drilled lengths and the true widths of the silver and cobalt mineralization have not been determined at this time.
Quality Assurance & Quality Control
Diamond drill holes were drilled with NQ size core. Samples were collected using 1m average sample length. Three quality control samples (one blank, one standard and one duplicate) were inserted into each batch of 20 samples. The drill core was cut in half and put in batches, sealed and shipped by the Company geologists to ALS Minerals preparation lab in Sudbury, Ontario. ALS Minerals Laboratories are registered to ISO 9001:2008 and ISO 17025 accreditations for laboratory procedures. Blank, duplicate and certified reference materials were inserted into the sample stream. All elements were analyzed by Aqua Regia Digest with ICP-AES finish. Silver over-limits were analyzed by fire assay with gravimetric finish. Base metal over-limits were analyzed with Aqua Regia Digest and AES finish. A copy of the QAQC protocols can be viewed at the Company’s website.
About the Langis Mine Project
Brixton’s wholly owned Langis Mine Project is a past producing mine located 500km north from Toronto, Ontario, Canada just north from the northern end of Lake Temiskaming with excellent infrastructure. The silver mineralization occurs as native silver and within steeply-moderately and in some cases shallow dipping veins, veinlets and as disseminations, rosettes and fracture infill and can be associated with calcite, hematite, pyrite, cobaltite, chalcopyrite, niccolite and gold. Mineralization is hosted within any of the three main rock types: Archean volcanics and metasediments, Coleman Member sediments and Nipissing diabase. The Langis Mine produced 10.6Moz of silver at 787 g/t Ag and 358,340 pounds of cobalt. Historically, the combined mines in the Cobalt Camp produced over 550 million ounces of silver with 30-50 million pounds of cobalt as a by-product.
Mr. Antonio Celis, P.Geo., who is a qualified person as defined by National Instrument 43-101, reviewed and approved the information in this press release.
About Brixton Metals Corporation
Brixton is a Canadian exploration and development company focused on the advancement of its mining projects toward feasibility. Brixton wholly owns four exploration projects, the Thorn copper-gold-silver Project, the Atlin Goldfields Projects located in NWBC, the Langis-HudBay silver-cobalt Project in Ontario and the Hog Heaven silver-gold-copper Project in NW Montana, USA now under JV with HPX. Brixton Metals Corporation shares trade on the TSX-V under the ticker symbol BBB, and on the OTCQB under the ticker symbol BBBXF. For more information about Brixton please visit our website at http://www.brixtonmetals.com .
We seek Safe Harbor.
© 2021 Canjex Publishing Ltd. All rights reserved.
Prime Mining applies for 7,500 ha block at Los Reyes
Prime Mining Corp. has filed an application for mineral rights to a 7,500-hectare claim block, named El Rey, adjacent to the eastern and northeastern Los Reyes boundary. El Rey had its cornerstone monument erected and completed February 24, 2021 and the concession application was filed and receipted March 9, 2021.Read More
“Recent prospecting, surface sampling, and drilling results suggest the Eastern regions of Los Reyes are likely very prospective. Current work has identified low sulfidation epithermal-style mineralization at 540 to 1080 metres (“m”) above sea level at the Guadalupe East deposit and at historic adits some two kilometres to the east, respectively. We are now more confident that the local mineralized system is at least 500 m in vertical height,” Daniel Kunz, Chief Executive Officer of Prime Mining Corp commented.
Update on Drilling
The initial delays in drilling progress that occurred at Los Reyes have been overcome. Progress is being made in the drilling program, with fifteen core holes completed and five ongoing with the resultant core at various stages of preparation, assay, and analyses. The Company expects to have enough data to issue its first news release on drilling results next week.
Airborne Geophysics Survey Underway
Prime has also initiated a property-wide 1,000 line-kilometre helicopter-borne high resolution aeromagnetic survey over the Los Reyes property. Following the magnetic survey, a LIDAR (Light Detection and Ranging) and Orthophoto survey will be completed. These surveys will aid in the ongoing geological mapping of the Los Reyes property and provide critical information on the numerous partially tested and untested structures that host Au-Ag epithermal veins.
Prime has a longstanding relationship with the Cosala community and is providing support for the local communities including Ejido Tasajera. Now in the dry season, the Company’s subsidiary, Minera Amari, recently began work to provide drinking water access to local livestock. During the last rainy season, the Company helped families with repair of flood-damaged home foundations and provided strategic road and drainage grading.
Kerry Sparkes, P.Geo., Executive Vice President of Exploration, is a qualified person for the purposes of National Instrument 43-101 and has reviewed and approved the technical content in this news release.
Los Reyes Gold and Silver Project
Los Reyes is a district scale low sulphidation epithermal gold-silver project located in a prolific mining region of Mexico. Over $20 million in exploration, engineering and prefeasibility studies have been spent on the project over 2 1/2 decades by previous operators with development plans being held back due to declining gold prices. Historic data coupled with an existing and recently updated resource estimate has provided sufficient understanding to fast-track the project to production. However, there is substantial resource expansion upside based on open extensions of known deposits, multiple untested high priority exploration targets, and only 40% of the known structures systematically explored leaving 10 kilometres of untested strike length. Potential for significant growth of the resource remains strong.
Current Measured and Indicated pit-constrained oxide mineral resources include 19.8 million tonnes (‘mt’) containing 633,000 ounces of gold at 1.0 g/t and 16,604,000 ounces of silver at 26.2 g/t plus an additional 7.1 mt Inferred containing 179,000 ounces gold at 0.78 g/t and 6,831,000 ounces silver at 30 g/t.
About Prime Mining
Prime Mining, a TSX Venture 50 Company, is an ideal mix of successful mining executives, strong capital markets personnel and experienced local operators who have united to build a low cost, near-term gold producer at the historically productive Los Reyes project in Mexico. Prime Mining has a well-planned capital structure with significant team and insider ownership.
We seek Safe Harbor.
© 2021 Canjex Publishing Ltd. All rights reserved.