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Sonoro Gold Corp
Symbol SGO
Shares Issued 85,077,285
Close 2021-01-19 C$ 0.24
Market Cap C$ 20,418,548
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Sonoro Gold drills 12.19 m of 11.22 g/t Au at Cerro

2021-01-19 12:15 ET - News Release

Mr. Kenneth MacLeod reports

SONORO ANNOUNCES FINAL ASSAY RESULTS FROM 2020 DRILLING PROGRAM

Sonoro Gold Corp. has released the remaining assay results from its 2020 drilling campaign at the Cerro Caliche gold project in Sonora, Mexico. The 2021 drilling program is currently under way with approximately 50 additional RC and core holes expected to be completed by the end of the first quarter. The latest assays further support the company's consideration of the viability for a bulk-mining heap-leach development proposal with a conceptual throughput of up to 20,000 tonnes per day (tpd).

El Colorado zone enlarged

At the El Colorado gold mineralized zone, located in the southwestern region of the concession, four core holes were drilled to test the periphery of the zone's intensely drilled higher-grade gold shoots where drill holes announced on Dec. 18, 2020, include:

  • SCR-044 intercepted 12.19 metres (m) averaging 11.22 grams per tonne (g/t) gold (Au), including 6.09 m averaging 21.58 g/t Au.
  • SCD-008 intercepted 11.7 m averaging 0.92 g/t Au, including 4.55 m averaging 1.84 g/t Au.

Three of the four new holes successfully tested the southeastern and northwest periphery of the higher-grade shoots:

  • SCD-026 intercepted 8.4 m averaging 0.718 g/t Au.
  • SCD-027 intercepted 7.2 m averaging 0.601 g/t Au.
  • SCD-028 intercepted six m averaging 0.885 g/t Au.

At the southeastern periphery, SCD-027 extended the shoot's lengths by approximately 50 metres whereas at the shoot's northern periphery, SCD-028, intercepted three different mineralized intervals. SCD-028 is located approximately 30 metres north of where previously announced drill hole SCD-016 also intercepted several mineralized intervals, including 11.25 metres averaging 1.08 g/t Au. Furthermore, the SCD-028 intercepts appear to be the western splay of the adjacent Guadalupe or Cabeza Blanca vein systems. Another drill hole, SCD-025, tested the eastern edge of the higher-grade gold shoot and intercepted two short, mineralized intervals.

Guadalupe zone

At the Guadalupe gold mineralized zone, located in the western region of the concession, scout drill hole SCD-029 intercepted 3.9 metres averaging 0.358 g/t Au, including 3.9 metres averaging 0.234 g/t Au. The drill hole investigates the northernmost area of the Guadalupe zone and is approximately 250 metres north of the previously announced SCR-030 which intercepted 22.86 metres averaging 0.725 g/t Au. Additional drill holes are planned to determine the potential for Guadalupe to increase the project's gold mineralization.

Cabeza Blanca zone continues to grow

At the Cabeza Blanca gold mineralization zone, located directly north of the El Colorado zone, core holes SCD-030 and SCD-031 confirm the zone's extension more than 50 metres to the north:

  • SCD-030 intercepted 9.3 m averaging 0.719 g/t Au.
  • SCD-031 intercepted 15 m averaging 0.503 g/t Au.

Veta de Oro -- Abejas zone

At the southeastern end of the Veta de Oro gold mineralized zone, four core drill holes, SCD-032, SCD-033, SCD-034 and SCD-035, and two RC holes, SCR-156 and SCR-157, tested an area of vein stockwork and confirmed narrowing vein zone in the covered area between the Veta de Oro zone and the Abejas zone, located 500 metres to the south.

SCD-032 through SCD-035 were the final core drill holes of 2020 and are located directly south of drill hole SCD-015 which, as announced on Dec. 8, 2020, intercepted 16.25 metres averaging 0.741 g/t gold equivalent (AuEq), including three metres averaging 2.11 g/t AuEq. Management believes these drill holes establish the potential for a higher-grade zone of gold mineralization to extend to the north approximately one kilometre to El Rincon. In addition, the company built roads and drill pads in preparation for the drilling to test the north striking zone between El Rincon and Veta de Oro. Drilling at this very high potential zone is currently under way with results expected by the end of February.

Japoneses zone infill drilling

The assay results in one of the attached tables are the final six of 33 RC holes drilled during the 2020 drill program. A total of 70 holes have been drilled within the Japoneses zone (which now includes Boluditos and Chinos NW zones) as the company works to define the 1,300-metre-long-by-400-meter-wide zone's shallow oxide gold mineralization. These holes are intended to infill gaps in the drill pattern. Selected RC drill hole intercepts from the Japoneses mineralized zone include SCR-151 with 27 metres averaging 0.694 g/t Au which is a wide addition to the zone's near-surface mineralization. A high-grade vein with a width of 3.05 metres averaging 3.355 g/t Au, which was intercepted within the 27-metre interval, is interpreted to be a section of the main Japoneses vein. Intersections in the Japoneses zone appear to have true widths approximately 15 per cent less than reported as drill length intersections.

Mel Herdrick, Sonoro's vice-president of exploration, commented: "The focused drill program of 2020 was very successful in further outlining additional gold mineralization, part of which contains significantly higher gold grades. We have a substantial amount of additional drilling planned to fully define the project's considerable potential. Our plan is to drill up to 50 more holes as part of this effort by the end of March of this year, which we expect will be in time to contribute further to the updated resource estimate to be prepared by Micon International."

Kenneth MacLeod, Sonoro's president and chief executive officer, added, "I am very happy to report, at the conclusion of the 2020 drilling program, that the program's goals, as they relate to the overall development of production at Cerro Caliche, have been achieved and that the entire campaign to begin gold production at Cerro Caliche remains on track."

John Darch, Sonoro's chairman, stated: "From the outset, our pledge to shareholders has been to begin producing gold at Cerro Caliche as quickly as was reasonably achievable. Our overall objective was, and continues to be, to generate free cash flow to be used to explore and define Cerro Caliche's considerably larger mineralized potential, thereby shaping the company's future growth plans. This way, we hope to minimize the need to issue additional shares and thereby avoid diluting our existing shareholders' interests in the company, as we fund future exploration and development."

Quality assurance/quality control (QA/QC) measures and analytical procedures

Drill samples are collected with an airstream cyclone and passed into a splitter that divides each sample into quarters. The quartered samples are then bagged and sealed with identification. The sample group has blanks, standards and duplicates inserted into the sample stream.

Bureau Veritas (BV) collects the samples and transports them directly to the preparation laboratory in Hermosillo, Sonora. At the laboratory, part of each sample is reduced through crushing, splitting and pulverization. About 200 grams are sent by BV to its Vancouver, Canada, laboratory and dissolved in aqua regia for multielement ICP analysis, including silver. Of these samples, 30 grams undergo fire assay in Hermosillo for gold by reducing the fire assay to a concentrated button of material that is dissolved in acids and the gold content determined by atomic absorption.

No QA/QC issues were noted with the results received from the laboratory.

Geologic description

Cerro Caliche is located 45 kilometres east-southeast of Magdalena de Kino in the Cucurpe-Sonora megadistrict of Sonora, Mexico. Multiple historic underground mines were developed in the concession, including Cabeza Blanca, Los Cuervos, Japoneses, Las Abejas, Boluditos, El Colorado, Veta de Oro and Espanola. Mineralization types of the Cucurpe-Sonora megadistrict include variants of epithermal low-sulphidation veins and related mineralized dikes and associated volcanic domes. Local altered felsic dikes cut the mineralized metasedimentary rock units and may be associated with mineralization both in the dikes and metasedimentary rocks.

Host rocks include Jurassic-Cretaceous metasedimentary rock units including argillite, shale, quartzite, limestone, quartz pebble conglomerate and andesite. Younger intrusive rock consisting of medium coarse-grained granodiorite-granite is present in the westerly parts of the concessions near the historic Cabeza Blanca mine. It is apparent that veining cuts and pervasively alters the intrusive stock. Rhyolite occurs in irregular bodies distributed in higher elevations in the northerly part of the concession, including the Rincon area, where it occurs as flows, sills, dikes and rhyolite domes. Part of the rhyolite is mineralized and appears to be related to epithermal gold mineralization throughout the property.

Qualified person statement

Stephen Kenwood, professional geoscientist, a director of Sonoro, is a qualified person within the context of National Instrument 43-101 and has read and approved this news release. Readers are cautioned that the presence of mineralization on historic mines adjacent to or on Cerro Caliche is not necessarily indicative of gold mineralization in the concessions held by the company.

About Sonoro Gold Corp.

Sonoro Gold is a publicly listed exploration and development company with a portfolio of exploration-stage precious metal properties in Sonora state, Mexico. The company has highly experienced operational and management teams with proven records for the discovery and development of natural resource deposits.

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