Precious Metals

Sonoro Gold Corp. (TSXV: SGO | OTCQB: SMOFF | FRA: 23SP) ("Sonoro" or the "Company") is pleased to report assay results from the final nine RC drill holes, completing Phase Three of its drilling program at the Cerro Caliche gold project, located in Sonora State, Mexico. As noted in news releases, dated April 5, 2021, and April 26, 2021, the Company extended drilling activities to investigate the potential merging of the Japoneses and Buena Suerte zones into a single body of shallow, oxide gold mineralization. Recent results indicate a coalescence of the two zones over a minimum length of 400 meters which may prove to have significant and positive economic implications for the Company's proposed Heap Leach Mining Operation (HLMO).

The following map shows the location of the nine RC drill holes as well as the merging of the northern extents of the Japoneses and Buena Suerte zones.

A photo accompanying this announcement is available at

Two independent NI 43-101 technical reports, scheduled to be filed in July 2021, will provide valuable information as to whether the identified mineralization is sufficient to support a proposed HLMO with an initial operating capacity of up to 15,000 tons per day (tpd). As previously announced, the Company engaged D.E.N.M. Engineering Ltd. to prepare a Preliminary Economic Assessment (PEA) and Micon International Ltd. to prepare a mineral resource estimate. The mineral resource estimate will include all prior and current exploration data up to April 2021. To date, the Company has drilled and assayed results from over 34,500 meters of drilling, including over 25,000 meters of new drilling since September 2020. When combined with historical data, total exploration at Cerro Caliche totals over 47,500 meters, 433 drill holes and 9,365 surface samples.

Drilling activities on the concession are currently paused to provide the exploration team time to ensure all data and assistance is available to the independent consultants, and to implement any recommendations set forth in the anticipated technical reports. Subject to the terms of project financing, drilling is scheduled to resume by the end of the third quarter of 2021 to continue expanding mineralization and investigating potential high-grade targets.

Potential Coalescence of Japoneses and Buena Suerte Gold Zones
The final nine drill holes were completed along the narrowing gap between the northwest extension of the Japoneses zone, known as the Buena Vista fault vein zone, and the east flank of the Buena Suerte zone. Four of the drill holes cut the east side of Buena Suerte with drill hole SCR-264 intercepting 15.24 meters averaging 0.764 grams of gold per tonne ("g/t Au"), including 1.52 meters averaging 2.402 g/t Au. Drill hole SCR-261 encountered continuous mineralization from surface but intercepted an artisanal mine working at 19.81 meters. The rig was moved 6 meters and the hole was re-drilled as SCR-261B, which intercepted a total of 35 meters of gold mineralization, including 1.5 meters averaging 1.23 g/t Au.

In the northern extent, roughly at the center of the 150-meter gap separating Japoneses and Buena Suerte, drill hole SCR-262 cut multiple intervals of gold mineralization totaling 52 meters from surface including 1.53 meters averaging 2.171 g/t Au. While this area was previously considered to be outside of the mineralized gold zones, drilling results confirm the material presence of gold mineralization and further support the development of a single pit to mine gold mineralization from both the Japoneses and Buena Suerte zones.

These final drilling results mark the conclusion of a highly successful and intense drilling program. As noted above, management expects two independent 43-101 compliant reports to update the resource size and classification and determine whether it is sufficient to support the Company's proposed HLMO with a conceptual operation of up to 15,000 tpd.

Mel Herdrick, Sonoro's VP of Exploration noted, "I am pleased that these latest drill holes show the area between the two gold bearing zones, which was previously considered barren, does in fact carry gold mineralization. It is a very encouraging ending for what has been a very effective drill program. There remains much more potential in the areas we plan to drill later this year and next and I expect that this drilling will continue to define and materially expand and categorize the project's oxide gold mineralization."

Kenneth MacLeod, Sonoro's President and CEO added, "We have reached a watershed juncture in the development of Sonoro, as we are now making the transition from an exploration company to our aspirational goal of becoming a gold producer in early 2022. We are grateful for the support of our shareholders over the past three years as we strive to make Cerro Caliche the next mining success story in Mexico."

John Darch Sonoro's Chairman commented, "These final drill results reinforce the potential for the Japoneses-Buena Vista and Buena Suerte zones to be assessed as a single pit with all of the attendant cost savings that a single pit may make possible. They also mark the conclusion of an exceptional year, where Sonoro has been transformed from an exploration junior to a development stage company with a goal of achieving production early next year. Our strategy of exploring and developing Cerro Caliche's extensive shallow oxide gold mineralization while advancing towards becoming a gold producer is advancing as we had hoped. We anticipate this will be confirmed with the filing of the Micon International's 43-101 technical report on an updated resource estimate, as well as with the filling of the anticipated PEA regarding the proposed project's economics."

Assay Results

Cerro Caliche Project, holes composites with cutoff 0.10 Au g/t



From To Interval Au Ag AuEq
meters g/t g/t g/t
SCR-257 BUENA SUERTE 0.00 27.43 27.43 0.242 2.4 0.277
SCR-258 BUENA SUERTE 10.67 16.76 6.09 0.130 2.3 0.163


4.57 7.62 3.05 0.117 1.2 0.134
and 35.05 38.10 3.05 0.138 3.1 0.182


35.05 39.62 4.57 0.097 0.6 0.106
and 80.77 86.87 6.1 0.454 2.6 0.491
SCR-261 BUENA SUERTE 0.00 19.81 19.81 0.257 2.3 0.290


10.67 32.00 21.33 0.337 4.8 0.405
and 36.58 50.29 13.71 0.225 0.8 0.238


3.05 33.53 30.48 0.241 2.0 0.270
and 48.77 70.10 21.33 0.375 0.6 0.383
includes 62.48 64.01 1.53 2.171 1.8 2.197
SCR-263 BUENA SUERTE 0.00 13.72 13.72 0.127 1.3 0.145


0.00 21.34 21.34 0.295 12.5 0.474
includes 4.57 6.10 1.53 1.588 135 3.517
and 102.11 105.16 3.05 0.355 0.3 0.360
and 138.68 153.92 15.24 0.764 7.5 0.871
includes 140.21 141.73 1.52 2.402 1.7 2.426

Drill collar locations, azimuths and dips for the drill holes included are provided in the table below.

Drill Collar Locations (NAD 1927 UTM Zone 12N)
Drill Hole Zone Easting Northing Elevation Depth (m) Dip Azimuth
SCR-257 Buena Suerte 536684 3365055 1354 82.3 -45 236
SCR-258 Buena Suerte 536630 3365029 1358 91.44 -45 232
SCR-259 Buena Suerte 536582 3365144 1340 82.3 -45 235
SCR-260 Buena Suerte 536534 3365113 1341 88.39 -45 236
SCR-261 Buena Suerte 536491 3365087 1341 19.81 -45 235
SCR-261B Buena Suerte 536495 3365089 1341 82.3 -45 234
SCR-262 Buena Suerte 536572 3365214 1336 91.44 -45 234
SCR-263 Buena Suerte 536628 3365095 1347 82.3 -45 235
SCR-264 Buena Suerte 536586 3365073 1355 163.07 -45 234

All reported intervals in this news report are 45-degree inclined drill holes cutting an assumed 60–90-degree dipping vein zone toward the drill hole, thus the intercept is considered to be approximately 20 degrees or less from having a perpendicular intersection. The true widths of reported drill widths are anticipated to be about 75 percent or more of intercept widths reported.

Year of
Cambior Exploration 1997-1998 RC 15 2,244.85 1,627
Sidney Res. Circa 2000 0 0.00 177
Corex Gold 2007 RC 74 6,509.02 1,874
Corex Gold 2008 RC 12 1,216.15
Paget Southern 2011 Core 13 2,172.75 1,627 1,250
Paget Southern 2012 Core 5 864.75
Sonoro Gold 2018 RC 45 4,603.97 2,670 140
Sonoro Gold 2019 RC 51 5,724.19
Sonoro Gold 2020 RC 62 8,029.95
Sonoro Gold 2020 Core 35 4,662.50
Sonoro Gold 2021 RC 108 10,176.62
Sonoro Gold 2021 Core 13 1,352.40
Totals 433 47,557.15 7,975 1,390

The above table illustrates the exploration history of the Cerro Caliche concession. Sonoro commenced drilling in October 2018 and completed the first two phases by June 2019 for a total of 96 drill holes totaling 10,328 meters. The Company initiated Phase 3 drilling in August 2020 and completed the program in April 2021. During Phase three, Sonoro completed 170 RC drill holes (18,206.57 meters) and 48 diamond drill core holes including 11 metallurgical PQ drill holes (6,014.9 meters) for a Phase 3 total of 24,221.47 meters of drilling. Total Sonoro drilling amounts to 34,549.63 meters in 314 drill holes. The earlier Corex and Paget drilling of 104 drill holes over 10,762.67 meters, brings the drilling database to a total of 45,312.3 meters over 418 drill holes. Additionally, the data from earlier drilling by Cambior totaling 2,244.85 meters over 15 holes is appended to the Sonoro database.

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 from the drill site and transports them directly to the preparation laboratory in Hermosillo, Sonora. At the preparation laboratory, a split part of each sample (about 500 grams) is reduced through crushing, splitting and pulverization. Thirty grams of each pulverized sample is split apart in the Hermosillo laboratory and undergoes a "Fire Assay" for gold content by reducing the fire assay to a concentrated button of material that is dissolved in acids and the gold content determined by atomic absorption. About another 200 grams of each sample are sent by BV to their Vancouver, Canada laboratory and dissolved in aqua regia for multi-element ICP analysis, including silver.

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

Geologic Description
Cerro Caliche is located 45 kilometers east southeast of Magdalena de Kino in the Cucurpe-Sonora Mega-district 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 Mega-district include variants of epithermal low sulfidation veins and related mineralized dikes and associated volcanic domes. Local altered and mineralized felsic dikes cut the mineralized meta-sedimentary rock units and may be associated with mineralization both in the dikes and meta-sedimentary rocks.

Qualified Person Statement
Stephen Kenwood, P.Geo., a Director of Sonoro, is a Qualified Person within the context of National Instrument 43-101 (NI 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 economic gold mineralization in the concessions held by the Company.

About Sonoro Gold Corp.
Sonoro Gold Corp. 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 track records for the discovery and development of natural resource deposits.

On behalf of the Board of Sonoro Gold Corp.
Per: "Kenneth MacLeod"
Kenneth MacLeod
President & CEO

For further information, please contact:
Sonoro Gold Corp. - Tel: (604) 632-1764

Forward-Looking Statement Cautions: This press release contains certain "forward-looking statements" within the meaning of Canadian securities legislation, relating to, among other things, the Company's plans for the exploration, development and operations at the above-described Cerro Caliche Concessions, located in the municipality of Cucurpe, Sonora, Mexico, including statements regarding the Company's plans for additional exploration drilling, an anticipated update of the current resource estimate for Cerro Caliche to be included in a Micon International 43-101 technical report to be published in Q3 2021, a planned preliminary economic assessment ("PEA") to be published in 2021 reporting on the viability of a proposed 20,000 tonne/day mining operation, and other material conditions set out above on which the Company's development plans are dependent. Although the Company believes that such statements are reasonable based on current circumstances, it can give no assurance that such expectations will prove to be correct. Forward-looking statements are statements that are not historical facts; they are generally, but not always, identified by the words "expects", "plans", "anticipates", "believes", "intends", "estimates", "projects", "aims", "potential", "goal", "objective", "prospective" and similar expressions, or that events or conditions "will", "would", "may", "can", "could" or "should" occur, or are those statements, which, by their nature, refer to future events. The Company cautions that forward-looking statements are based on the beliefs, estimates and opinions of the Company's management on the date the statements are made and they involve a number of risks and uncertainties, including the possibility of unfavourable exploration and test results, unfavourable results of the contemplated PEA of the Cerro Caliche project, the lack of sufficient future financing to carry out exploration and development plans and unanticipated changes in the legal, regulatory and permitting requirements for the Company's exploration programs. There can be no assurance that such statements will prove to be accurate, as actual results and future events could differ materially from those anticipated in such statements. Accordingly, readers should not place undue reliance on forward-looking statements. The Company disclaims any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, except as required by law or the policies of the TSX Venture Exchange. Readers are encouraged to review the Company's complete public disclosure record on SEDAR at .

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accept responsibility for the adequacy or accuracy of this release.

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B2Gold logo (CNW Group/B2Gold Corp.)

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in Favour

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Outcome of

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0.33 %


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9.57 %


Liane Kelly


94.49 %


5.51 %


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Randall Chatwin
SVP, Legal & Corporate Communications

+1 604-681-8371

rchatwin @

Cherry DeGeer
Director, Corporate Communications
+1 604-681-8371

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SOURCE B2Gold Corp.

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