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Sonoro Gold Corp
Symbol SGO
Shares Issued 82,002,285
Close 2020-11-04 C$ 0.265
Market Cap C$ 21,730,606
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Sonoro Gold drills 15.24 m of 1.278 g/t Au at Caliche

2020-11-04 09:38 ET - News Release

Mr. Kenneth MacLeod reports

SONORO ANNOUNCES INITIAL DRILLING RESULTS AND FAST-TRACK TO GOLD PRODUCTION IN 2021

Sonoro Gold Corp. has released assay results from 12 reverse circulation (RC) drill holes at its Cerro Caliche project in Sonora state, Mexico. These results reflect all assays received to date from the company's continuing RC drilling program focused on expanding four of the 17 gold mineralization zones at Cerro Caliche. Highlights include key intercepts at the premier Japoneses and Buena Suerte zones.

At Japoneses, SCR-104 intercepted 15.24 metres averaging 1.278 grams per tonne gold and SCR-106 intercepted 16.76 metres averaging 0.853 gram per tonne gold. At Buena Suerte, SCR-096 intercepted 16.76 metres averaging 0.841 gram per tonne gold and SCR-097 intercepted 12.19 metres averaging 0.508 gram per tonne gold. The company expects that these results will contribute to establishing a significant addition to Cerro Caliche's existing 201,000-gold-equivalent-ounce inferred resource estimate. In total, 34 RC holes have been drilled to date, but assay turnaround times are very slow due to COVID-19-related delays. An additional 25 to 30 RC holes are expected to be completed by this coming mid-December and rock density determinations have also been initiated for incorporation into the resource data.

Core drilling at Cerro Caliche to investigate the higher-grade gold targets remains continuing. Nine exploratory holes have been completed to date and an additional 10 core holes are expected to be completed by mid-December. Furthermore, an air-track drill rig is scheduled to commence shallow percussion drilling to investigate continuity of mineralization between the mineralized zones.

As part of the company's strategy to fast-track the development of a heap leach mining operation (HLMO) at Cerro Caliche, 10 85-millimetre-diameter PQ core holes were drilled to supply deeper mineralized material for metallurgical testing. Management is expanding its development plans from the previously announced pilot-level project to assess the economic viability of a proposed 8,000-tonne-per-day mining operation.

The current exploration work is part of the company's conceptual fast-track development schedule for the Cerro Caliche project with the aspirational goal of commencing gold production by the end of 2021. However, a successful realization of that goal remains subject to several material conditions, most notably including the satisfactory completion of metallurgical testing, securing required environmental permitting, a favourable preliminary economic assessment and the availability of project financing.

Crews for both the RC and core drilling rigs are to take a one-week break so that long-awaited assay results may be received and incorporated into the continuing refinement of the drill targets within the two respective drill programs.

Sonoro chief executive officer Kenneth MacLeod stated: "We are very encouraged by the results thus far as they indicate we are on track with our plans to increase and upgrade Cerro Caliche's inferred gold equivalent resource, while at the same time our work to develop a heap leach gold mining operation is proceeding right on schedule. We are also pleased to report that 100 per cent of five million warrants exercisable at 15 cents have been exercised for proceeds to Sonoro of $750,000."

John Darch, Sonoro's chairman, added: "While we continue drilling our higher-grade gold targets, our primary focus remains on accelerating the proposed heap leach mine development with the intention of achieving production and cash flow by December, 2021. I expect both efforts, in addition to our high-grade drilling program, should produce an exceptional and exciting 2021 for Sonoro's shareholders."

The 12 RC drill holes tabulated or discussed herein are listed with selected assay intervals. A cut-off of 0.15 gram per tonne gold was used for reporting intervals and, for consistency, is in the same format as in news reports from previous years. The drill holes are angled generally 45 degrees at an azimuth of 225 degrees and are targeted to cut the vein zones near perpendicular to their plane of strike. The drill intervals are near true widths of the vein zones unless reported otherwise.

The Japoneses vein zone is the largest mineralized zone on the Cerro Caliche project with dimensions of up to 300 metres wide by 550 metres long, with the five new holes reported herein filling several drill pattern gaps and also extending the mineralized zone 100 metres to the northwest and 100 metres to the southeast. The apparent continuation of this zone by an additional 350 metres to the southeast is identified as the Los Cuervos zone. This entire mineralized zone is a series of northwest-trending veins, shears and shatter bands in quartzite with shales in its central and southern parts. The northern extension of the Japoneses zone gold mineralization passes into andesite and vein-associated rhyolitic dikes, where both rock units host gold mineralization.

Two drill holes were in the vicinity of the El Boludito vein, a small zone that begins in the hangingwall of the Japoneses vein zone and extends in a northerly direction away from the Japoneses zone. The results indicated insufficient dimensions and mineralization to add to the current mineralized material inventory.

Two RC drill holes cut the Chinos NW gold-mineralized zone, which is about 400 metres long and up to 30 metres wide, running parallel to the Japoneses zone on its east side. It continues northerly for another 500 metres between El Boludito and the Veta de Oro vein zone before merging into Veta de Oro, where a further outcrop of the vein zone is hidden by soil cover. The Chinos NW vein zone appears to be part of a classic vein-splitting pattern (called horse tailing) on its southern part. Drill hole SCR-101 tested the Chinos NW mineralization's northernmost extent with mixed results, including 3.05 metres averaging 0.517 gram per tonne gold and 3.6 grams per tonne silver. Two of the core drill holes cut the southern part of Chinos NW and will be reported in coming diamond drill hole results.

Three holes were completed in the Buena Suerte vein zone and, while showing the vein zone is independent of other nearby vein zones, they also added to the potential for increasing the project's current inferred gold resource. The veins are hosted in quartzite and a vein-parallel rhyolite dike. The three drill holes intersected gold mineralization that will potentially extend mineralized material to more than double the prior drill confirmed mineralized dimensions. The dimensions of the Buena Suerte mineralized zone are approximately 30 metres wide by 300 metres in length and located about 120 metres west of the Japoneses footwall structure with a parallel northwest trend.

Quality assurance/quality control 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. ALS Chemex 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, from which 200 grams are sent to the ALS Chemex assay laboratory in Vancouver. Thirty grams undergo fire assay for gold, with the resulting concentrated button of material produced is dissolved in acids and the gold is determined by atomic absorption. Another quantity of the sample is dissolved in four acids for an ICP multielement analysis.

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, PGeo, 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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