NEWS RELEASE

COLIBRI BEGINS PHASE 3 DRILLING AT THE EVELYN PROPERTY

August 15, 2023

NEWS RELEASE - Dieppe, NB., August 15, 2023 - Colibri Resource Corporation (TSX.V:CBI) (OTC:CRUCF) ("Colibri" or the "Company") is pleased to report that it has received permission from the Mexican environmental authority (SEMARNAT) to drill up to 2,000 metres (“m”) on the Evelyn Property at the EP Gold Project (“EP”) on targets in the Main Zone and West El Sahuaro areas. Mobilization of Colibri’s RC drill rig took place over the past weekend and is scheduled to begin work today.


Main Zone Drill Plan and Description

The drill plan for the Main Zone will test northwesterly trending fault zones located to both the south and north of the already defined Main Zone lenses. These faults zones are interpreted to be controls on the occurrence of the north-northeast trending mineralization in the Main Zone. 

 

To the south of the Main Zone, the mapped fault/structure is approximately coincident with a well-defined Soil Gas Hydrocarbon (“SGH”) anomaly. To the north of Main Zone, the drilling will test a geochemical anomaly resulting from a recently completed short hole drill program coincident with a northwest structure inferred under alluvium. One thousand-two hundred metres of RC drilling is planned for the Main Zone targets.

 

If results of this drilling program at the Main Zone further validates the Company’s current interpretation & geological model it has the potential to double, or more, the footprint of the Main Zone. Northwest trending structures are very important at established gold mines in the Caborca Gold Belt and if they are confirmed with our Main Zone drilling it may provide the structural setting required to realize increased average grades. 


The Main Zone is located in the central part of the Evelyn property (see Illustration 1). It is interpreted as a series of north-northeasterly striking and moderately east dipping lenses occurring over an identified strike length of approximately 250 m and drilled to a vertical depth of approximately 120 m. 


Mineralization exposed on surface and in historical mine workings consists of a north-northeast striking and moderately easterly dipping quartz vein that is discontinuously exposed over a strike length of approximately 120 m. The quartz vein pinches and swells along the strike length on surface reaching a maximum exposed thickness of approximately 1.5 m. Grab samples from surface exposures of the vein have returned assay values of 43.9 g/t Au and 40.1 g/t Au. Previous drilling has intersected similarly high-grade mineralization and includes 12.19 g/t Au over an intersection length of 3 m. Mineralization in both the hangingwall and footwall of the Main Zone vein includes multiple quartz vein intersections and low to locally moderate grade Au assay values in chlorite-carbonate-pyrite altered host rocks. Longer mineralized intercepts of veined and altered host rock at the Main Zone include:

  • 87 m at an average grade of 0.13 g/t Au including an interval of 8 m at 0.34 g/t Au
  • 86 m at an average grade of 0.17 g/t Au including an interval of 10 m at 0.55 g/t Au
  • 34.7 m at an average grade of 0.28 g/t Au including 5.65 m at 1.0 g/t Au
  • 29.0 m at an average grade of 0.47 g/t Au including 6.0 m at 0.97 g/t Au


West El Sahuaro Drill Target and Description

The drill plan at West El Sahuaro targets a large gold in soil anomaly spatially associated a northwest trending structure that was derived from mapping as well as IP resistivity interpretation. An addition, interpretation of the newly acquired Plomo property data suggests that we can trace this northwest trending structure onto the Plomo property and success with our West Sahuaro drill program could significantly expand the exploration potential at the EP project as a whole.


El Sahuaro Zone is located in the northeastern part of the property (see Illustration 2 and 4) and is a priority target area for the Company. West of El Sahuaro zone, a sharp north-northwest trending gradient in apparent resistivity (Illustration 2) is interpreted as a fault zone that separates dominantly rhyolite to the southwest with a mixed succession of rhyolite and andesite with Proterozoic metamorphic rocks to the northeast.


To further explore the interpretation of apparent resistivity, the Company completed in-fill soil sampling of the historical soil geochemistry survey which resulted in a coherent soil anomaly over an approximately 500 m length and 200 m width with a north-northwest trend: parallel to the resistivity gradient. Anomalous soil samples in the anomaly area are interpreted to be locally derived. The plan at El Sahuaro includes drilling a series of holes in a southwest direction across the soil anomaly and through the resistivity gradient. Eight hundred metres of RC drilling is planned for the West Sahuaro target.



El Sahuaro is characterized by north-northeast trending magnetic anomalies. Detailed structural mapping in the northeast part of the property indicates a dominant north-northwestern strike and easterly dip to foliation and veins. The structural orientations observed are consistent with north-northwest trending structures interpreted from magnetic intensity contrasts and an apparent dislocation and offset of the north-northeastern magnetic trend. The El Sahuaro area is underlain by Jurassic rhyolite and andesite and by Proterozoic (?) metasedimentary rocks. All holes drilled at El Sahuaro have intersected Au mineralization. Highlights of drilling at El Sahuaro include:

·      15 m at an average grade of 2.36 g/t Au

·      22 m at an average grade of 0.17 g/t Au

·      25 m at an average grade of 0.10 g/t Au

·      3 m at an average grade of 0.92 g/t Au

·      6 m at an average grade of 0.627 g/t Au

·      2 m at an average grade of 1.943 g/t Au

 

About the EP Gold Project


The EP Gold Project is located within the Caborca Gold Belt (“CGB”) of northwestern Sonora and is comprised of the Evelyn and the Plomo properties covering a total of 4,766 hectares (“Ha”). The northwest trending CGB is approximately 500 km in length and is characterized by a number of orogenic-type gold deposits, prospects, and occurrences including the > 15 million ounce La Herradura Mine, located 25 km west of EP, the > 2-million-ounce Noche Buena Mine located approximately 8 km southwest of EP, and the past producing Soledad-Dipolos Mine (> 3 Moz Au) located approximately 32 km to the northwest of EP (see Illustration 3).


The Evelyn property was acquired by the Company in 2012 and the acquisition of the Plomo property was completed in March of 2023. On the Evelyn property, Colibri has completed comprehensive surface exploration including soil sampling, geological mapping and outcrop sampling, an airborne magnetic survey, and a property wide induced polarization survey. Since February 2020, Colibri has drilled a total of 10,133 metres (total of reverse circulation and core drilling) and is advancing mineralized zones at the Main Zone and El Sahuaro. On the Plomo property, the Company has compiled historical exploration data and has completed its first exploration program which included geological mapping and outcrop sampling at selected target areas on the property. The Company is continuing to advance its EP project-wide interpretation and exploration model and has identified 13 target areas with historical work that includes high grade grab samples from outcrop, high grade grab and channel samples from historical mine working, and drill intercepts that are both locally high grade and are consistent with grades being mined in the Caborca Gold Belt. In addition to the plans reported here, the Company is prioritizing additional target areas on the EP property for drilling and is also planning further field work to evaluate and advance earlier stage targets and to comprehensively evaluate and explore the complete project area.


QUALIFIED PERSON

Jamie Lavigne, P. Geo and a Director for Colibri is a Qualified Person as defined in NI 43-101 and has reviewed and approved the technical information in this press release.


ABOUT COLIBRI RESOURCE CORPORATION:


Colibri is a Canadian-based mineral exploration company listed on the TSX-V (CBI) and is focused on acquiring and exploring prospective gold & silver properties in Mexico. The Company holds six high potential precious metal projects, all of which have planned exploration programs for calendar 2023.


For more information about all Company projects please visit: www.colibriresource.com.

 

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


Notice Regarding Forward-Looking Statements:

This news release contains "forward-looking statements". Statements in this press release which are not purely historical are forward-looking statements and include any statements regarding beliefs, plans, expectations or intentions regarding the future. Actual results could differ from those projected in any forward-looking statements due to numerous factors. These forward-looking statements are made as of the date of this news release, and the Company assumes no obligation to update the forward-looking statements, or to update the reasons why actual results could differ from those projected in the forward-looking statements. Although the Company believes that the plans, expectations and intentions contained in this press release are reasonable, there can be no assurance that they will prove to be accurate.


For information contact:

Ronald J. Goguen, President, Chairperson and Director, Tel: (506) 383-4274, rongoguen@colibriresource.com


Share This.

Related news releases.

Colibri Congratulates JV Partner on Test Mine Permit; Pilar Positioned as Near-Term Bulk Sample Opportunity

August 19, 2025
NEWS RELEASE - DIEPPE, N.B., August 19, 2025 -- Colibri Resource Corporation (“Colibri” or the “Company”) (CBI: TSX-V) congratulates its joint venture partner, Tocvan Ventures Corp. (“Tocvan”), on receiving permit approval for a 50,000-tonne pilot mine facility in Sonora, Mexico (announced August 14, 2025). Located in close proximity to the Pilar Gold & Silver Project (“Pilar”), a 49% Colibri – 51% Tocvan joint venture, the facility presents an excellent opportunity to consider processing a bulk sample at a time when gold prices remain near record highs. The permitted facility will be located in very close proximity to the “Pilar Gold & Silver Project “(“Pilar”), a 49% Colibri – 51% Tocvan joint venture. Although no plans have been finalized regarding the use of the facility for Pilar material, its location and scale present a highly compelling opportunity for the partners to consider processing a bulk sample from Pilar in an efficient, cost-effective manner. Pilar is particularly well suited for this purpose: a 1,400‑tonne bulk sample completed in 2023 returned an average head grade of 1.9 g/t Au with recoveries of approximately 62% using simple heap leach methods. Combined with extensive drilling and surface work, sufficient material could be sourced quickly—making Pilar an immediately available, high‑quality feed source for the newly permitted facility at a time when gold prices remain near historical highs. “With a permitted processing facility now secured nearby, Pilar stands out as a ready and logical candidate for a larger bulk sample program,” said Ian McGavney, President & CEO of Colibri. “With a prior bulk sample already delivering an average grade of 1.9 g/t Au and demonstrating recoveries above 60%, and with significant amounts of mineralized material already identified to move quickly, Pilar is clearly positioned for near-term evaluation. Advancing Pilar in this way would be highly advantageous to both Colibri and Tocvan shareholders, particularly with gold trading near all-time highs.” Previously Released Drill Highlights at Pilar (Colibri/Tocvan JV licenses): 2025 Diamond Drilling (all lengths are drilled thicknesses): 83.5 m at 1.3 g/t Au from surface, including 10.3 g/t over 9.7 m 64.9 m at 1.2 g/t Au, including 3.0 m at 21.6 g/t Au and 209 g/t Ag — first high-grade intercept along the North Hill trend 116.9 m at 1.2 g/t Au, including 10.2 m at 12.0 g/t Au and 23 g/t Ag 2024 RC Drilling (all lengths are drilled thicknesses): 42.7m @ 1.0 g/t Au, including 3.1m @ 10.9 g/t Au 56.4m @ 1.0 g/t Au, including 3.1m @ 14.7 g/t Au 16.8m @ 0.8 g/t Au and 19 g/t Ag 2022 Phase III Diamond Drilling (all lengths are drilled thicknesses): 116.9m @ 1.2 g/t Au, including 10.2m @ 12 g/t Au and 23 g/t Ag 108.9m @ 0.8 g/t Au, including 9.4m @ 7.6 g/t Au and 5 g/t Ag 63.4m @ 0.6 g/t Au and 11 g/t Ag, including 29.9m @ 0.9 g/t Au and 18 g/t Ag 2021 Phase II RC Drilling (all lengths are drilled thicknesses): 39.7m @ 1.0 g/t Au, including 1.5m @ 14.6 g/t Au 47.7m @ 0.7 g/t Au including 3m @ 5.6 g/t Au and 22 g/t Ag 29m @ 0.7 g/t Au 35.1m @ 0.7 g/t Au 2020 Phase I RC Drilling Highlights include (all lengths are drilled thicknesses): 94.6m @ 1.6 g/t Au, including 9.2m @ 10.8 g/t Au and 38 g/t Ag; 41.2m @ 1.1 g/t Au, including 3.1m @ 6.0 g/t Au and 12 g/t Ag ; 24.4m @ 2.5 g/t Au and 73 g/t Ag, including 1.5m @ 33.4 g/t Au and 1,090 g/t Ag 15,000m of Historic Core & RC drilling (all lengths are drilled thicknesses): 61.0m @ 0.8 g/t Au 21.0m @ 38.3 g/t Au and 38 g/t Ag 13.0m @ 9.6 g/t Au 9.0m @ 10.2 g/t Au and 46 g/t Ag Pilar Bulk Sample Summary : 62% Recovery of Gold Achieved Over 46-day Leaching Period Head Grade Calculated at 1.9 g/t Au and 7 g/t Ag; Extracted Grade Calculated at 1.2 g/t Au and 3 g/t Ag Bulk Sample Only Included Coarse Fraction of Material (+3/4” to +1/8”) Fine Fraction (-1/8”) Indicates Rapid Recovery with Agitated Leach Agitated Bottle Roll Test Returned Rapid and High Recovery Results : 80% Recovery of Gold and 94% Recovery of Silver after Rapid 24-hour Retention Time Additional Metallurgical Studies: Gravity Recovery with Agitated Leach Results of Five Composite Samples Returned 95 to 99% Recovery of Gold 73 to 97% Recovery of Silver Includes the Recovery of 99% Au and 73% Ag from Drill Core Composite at 120-meter depth

Colibri Resource Corporation Announces Director Change

August 18, 2025
NEWS RELEASE - DIEPPE, N.B., August 18, 2025 -- Colibri Resource Corporation (“Colibri” or the “Company”) (CBI: TSX-V) today announces that Jamie Lavigne, P. Geo, has resigned from his position as Director of the Company, effective immediately. The Board extends its sincere gratitude to Mr. Lavigne for his dedicated service and valuable contributions to Colibri over the years. His technical expertise and commitment have been invaluable, and his insights as both a Director and Qualified Person under NI 43-101 have been instrumental to advancing Colibri’s strategic initiatives. We wish Jamie all the best in his future endeavors and thank him for his leadership and professionalism. The Company is pleased to announce the appointment of Mark Smethurst, P. Geo, MSc, CFA-Level III Candidate, to the Board of Directors, effective immediately. Mr. Smethurst brings over 25 years of extensive experience in exploration and development within the mining industry. Currently serving as Director, Technical Manager, and Geology Consultant at Canadian Gold Resources Ltd., he is a Qualified Person under NI 43-101 standards and contributes both deep geological insight and technical leadership. Prior to his role at Canadian Gold Resources, Mr. Smethurst held several senior leadership positions across the sector, including: Director and Manager – Technical & Geology Consultant, Canadian Gold Resources Ltd. (since 2024) Director, Newpath Resources Inc. (2021–2022) Chief Operating Officer, Tocvan Ventures Corp. (2020–2021) Vice President Exploration, Rockcliff Resources Inc. Senior Geologist, Hercules Metals Corp. Mr. Smethurst holds a B.Sc. in Geology from the University of Toronto and an M.Sc. in Geophysics & Geology from the University of Windsor. He is also pursuing his CFA designation and has paused his Level 3 studies to focus on helping to build companies and continuing to make gold-silver discoveries. Mr. Smethurst is recognized as a Qualified Person under NI 43-101. “We are delighted to welcome Mark Smethurst to our Board,” said Ian McGavney, President & CEO of Colibri. “Mark’s wide-ranging experience—from technical leadership to corporate governance—will be a significant asset as we continue to advance exploration at EP Gold, Pilar, and Diamante.” McGavney added, “I have greatly enjoyed working closely with Jamie Lavigne over the years and sincerely appreciate his friendship and his contributions to Colibri.”

Colibri Announces Proposed Amendments to Debentures and Warrants

July 16, 2025
NEWS RELEASE - DIEPPE, N.B., July 16, 2025 -- Colibri Resource Corporation (“Colibri” or the “Company”) (CBI: TSX-V) announces its intention to amend certain terms of its currently outstanding 10% unsecured convertible debentures (the “Debentures”) that were originally issued in two tranches by the Company through private placement on August 1 and August 31, 2023 (see the Company’s news releases of August 4, September 12 and September 22, 2023). As at the date hereof, there is US$619,000 of Debentures outstanding. The Company also intends to amend the terms of 3,720,792 outstanding common share purchase warrants (the “Warrants”) and 11,049 finders’ options (the “Finder’s Options”) which were issued in conjunction with the Debentures. The Debentures mature as to US$444,000 on August 1, 2025 and US$175,000 on August 31, 2025 with 10% annual interest payable quarterly and upon maturity. The principal amount of the Debentures are currently convertible into common shares at a price of C$0.50 per Common Share after adjusting for a share consolidation effected on June 13, 2025 (see the Company’s news release dated June 11, 2025). The Debentures carry a fixed foreign exchange rate of C$1.30 for each US$1 of principal for conversion purposes. Interest on the Debentures may not be converted to Common Shares. In respect of the Warrants, each Warrant currently entitles the holder to acquire one Common Share at a price of C$0.60 per share (after adjusting for the aforementioned share consolidation) with 2,637,582 Warrants expiring on August 1, 2025 and 1,083,200 expiring on August 31, 2025. Each Finder’s Options currently entitles the holder to acquire one Common Share at a price of C$0.60 per share (after adjusting for the aforementioned share consolidation) expiring on August 31, 2023. The Company intends to amend the Debentures as follows: The maturity date will be extended for an additional two years to August 1, 2027 and August 31, 2027 respectively and the conversion price will be reduced to C$0.25 per Common Share; alternatively, debenture holders will be offered the option to convert the Debentures at a price of C$0.15 per Common Share on the current maturity date. All other terms of the Debentures remain unchanged. The Company intends to amend the term of the Warrants and the Finder’s Options by extending their expiry date an additional two years and reducing the exercise price to C$0.25. In accordance with TSX Venture Exchange policy, any amended Warrants and Finder’s Options will include an accelerated expiry clause such that the exercise period of the amended Warrants and Finder’s Options will be reduced to 30 days if, for any ten consecutive trading days during the unexpired term of the amended Warrants and Finder’s Options, the closing price of the Company’s Common Shares exceeds $0.30. Insiders of the Company currently hold 135,400 Warrants (the “Insider Warrants”). The application of any amendments to the Insider Warrants constitutes a "related party transaction" within MI 61-101 – Protection of Minority Security Holders in Special Transactions ("MI 61-101") but are exempt from the MI 61-101 valuation and minority approval requirements for related party transactions under sections 5.5(a) and 5.7(1)(a) as neither the fair market value (as determined under MI 61-101) of the subject matter of, nor the fair market value of the consideration for, the transaction, insofar as it involves the Related Parties, exceeds 25% of the Company's market capitalization (as determined under MI 61-101). Any amendments to the Debentures, Warrants and Finder’s options are subject to acceptance of the TSX Venture Exchange. Reasoning for the Proposed Amendments Strategic Timing to Advance Pilar and Drive Shareholder Value The Company is taking proactive steps to strengthen its balance sheet and align capital with its most compelling near-term growth opportunity, the advancement of the Pilar Gold & Silver Project. The Company’s proposed restructuring of the Debentures comes at a pivotal time, as Pilar progresses toward bulk sampling, supported by strong recent and historical exploration results. Momentum Toward Test Mining Colibri’s joint venture partner, Tocvan Ventures, announced on June 18, 2025, that engineering and design for a 50,000-tonne pilot leach facility is now complete, with the permitting process well underway. Tocvan has indicated it does not foresee delays in approvals and intends to commence construction following final permit acceptance. If successful, a pilot test mine run of Pilar materials could generate a relatively meaningful amount of cash flow over a short period, helping to reduce Colibri’s near-term capital requirements and further de-risking its 49% interest in the project. Pilar Drill & Bulk Sample Results Highlight Gold-Silver Potential Over multiple exploration phases, drilling at Pilar has consistently returned broad zones of oxidized near-surface gold mineralization, along with high-grade intercepts—critical for the economics of the upcoming test mine. Highlights include: 2025 (Diamond Drilling – JES-25 Series): 83.5 @ 1.3 g/t Au from surface, including 10.3 g/t over 9.7m 64.9 m @ 1.2 g/t Au, including 3.0 m @ 21.6 g/t Au and 209 g/t Ag—marking the first high-grade intercept along the North Hill trend (JES-25-108) 2023 Bulk Sample: A 1,200-tonne surface sample yielded an average head grade of 1.9 g/t Au with a calculated recovery rate of approximately 62%, confirming the presence of near-surface mineralization amenable to heap leach or vat leach processing. Historical Drilling (2020–2022): 116.9 m @ 1.2 g/t Au, including 10.2 m @ 12.0 g/t Au and 23 g/t Ag (Phase III) 94.6 m @ 1.6 g/t Au, including 9.2 m @ 10.8 g/t Au (Phase I) 47.7 m @ 0.7 g/t Au, including 3.0 m @ 5.6 g/t Au and 22 g/t Ag (Phase II) (Above technical information cited in Tocvan Ventures Corp. news release dated June 18th, 2025 which was reviewed and approved by Brodie A. Sutherland, qualified person for Tocvan Ventures Corp.) Together, these results demonstrate the continuity, scale, and metallurgical potential of gold mineralization at Pilar, while outlining multiple high-grade near-surface zones that could meaningfully contribute to the upcoming bulk test mine. What This Means for Shareholders The pilot plant is nearing approval, and Colibri’s 49% stake positions it to potentially benefit directly from the Pilar’s bulk sample / test phase’s outcome. The restructuring of the Debentures will reduce immediate financial obligations, freeing up capital to support the Pilar bulk sample / test mine program and broader exploration. With gold prices trading near historic highs, the ability to advance a high-grade, near-surface gold system into production under a low-capex pilot structure presents a compelling opportunity to unlock value for shareholders. By aligning its financial position with Pilar’s development timeline, Colibri is taking a disciplined, shareholder-first approach to unlocking value from one of the most advanced gold projects in Sonora. For Debenture holders, they will now have the opportunity to participate significantly in the potential upside in the Pilar Gold & Silver Project.
ALL NEWS RELEASES