Gunnison Copper Corp.

Gunnison is a mineral exploration and development company that owns the Gunnison Copper Project, the Johnson Camp Mine, and a portfolio of exploration projects, including the Peabody Sill and the Strong and Harris deposits, in Cochise County, Arizona. The past producing Johnson Camp Mine is in Stage 2 of a process with Nuton LLC, a Rio Tinto Venture to restart the mine using Nuton technologies, with first copper expected to be produced in 2025.

Recent News

Excelsior Mining Announces AGM Results

Phoenix, Arizona--(Newsfile Corp. - June 21, 2024) - Excelsior Mining Corp. (TSX: MIN) (FSE: 3XS) (OTCQX: EXMGF) ("Excelsior" or the "Company") reports that the nominees listed in the management information circular for the 2024 Annual General and Special Meeting of shareholders were elected as directors of Excelsior. Detailed results of the vote for the election of directors held at the Annual General and Special Meeting on June 20, 2024 in Vancouver, B.C., are set out below:

2024-06-21 7:30 AM EDT

Excelsior Mining Announces Receipt of US$5 Million Payment Under Terms of Option Agreement with Nuton, a Rio Tinto Venture

Phoenix, Arizona--(Newsfile Corp. - May 23, 2024) - Excelsior Mining Corp. (TSX: MIN) (OTCQB: EXMGF) (FSE: 3XS) ("Excelsior" or the "Company") is pleased to announce that it has received the US$5 million infrastructure access payment from Nuton LLC ("Nuton"), a Rio Tinto venture. This payment was provided as a result of Nuton electing to proceed to Stage 2 of the existing Option Agreement (the "Agreement") (see Excelsior press release dated May 15, 2024). The purpose of the Agreement is for...

2024-05-23 7:30 AM EDT

Excelsior Mining Announces Option Agreement with Nuton, a Rio Tinto Venture Proceeds to Stage 2

Phoenix, Arizona--(Newsfile Corp. - May 15, 2024) - Excelsior Mining Corp. (TSX: MIN) (OTCQB: EXMGF) (FSE: 3XS) ("Excelsior" or the "Company") is pleased to announce that Nuton LLC ("Nuton"), a Rio Tinto venture has elected to proceed to Stage 2 of the existing Option Agreement (the "Agreement") (see Excelsior press release dated July 31, 2023). The purpose of the Agreement is for Nuton to evaluate the use of its Nuton™ copper heap leaching technologies at Excelsior's Johnson Camp mine in...

2024-05-15 7:00 AM EDT

Excelsior Mining Announces Closing of US$5,500,000 Financing

Phoenix, Arizona--(Newsfile Corp. - December 14, 2023) - Excelsior Mining Corp. (TSX: MIN) (FSE: 3XS) (OTCQB: EXMGF) ("Excelsior" or the "Company") is pleased to announce that it and its wholly-owned subsidiary Excelsior Mining Arizona, Inc. ("Excelsior Arizona") have closed a $5.5 million financing (the "Financing") with Greenstone Excelsior Holdings LP ("Greenstone") and Triple Flag USA Royalties Ltd. ("Triple Flag"). The closing of the Financing was a condition subsequent to the previously...

2023-12-14 4:00 PM EST

Excelsior Mining Announces Extension of Nebari Loan and US$5,500,000 Financing

Phoenix, Arizona--(Newsfile Corp. - November 30, 2023) - Excelsior Mining Corp. (TSX: MIN) (FSE: 3XS) (OTCQB: EXMGF) ("Excelsior" or the "Company") is pleased to announce that it and its wholly-owned subsidiary Excelsior Mining Arizona, Inc. ("Excelsior Arizona") has agreed with Nebari Natural Resources Credit Fund I LP ("Nebari") to extend the maturity date of its existing $15 million credit facility to June 30, 2026. In addition, the Company has entered into agreements for a $5.5 million fin

2023-11-30 4:19 PM EST

Excelsior Mining Provides Update on Mining Activities at Gunnison and JCM Copper Projects

Phoenix, Arizona--(Newsfile Corp. - October 23, 2023) - Excelsior Mining Corp. (TSX: MIN) (FSE: 3XS) (OTCQB: EXMGF) ("Excelsior" or the "Company") is pleased to provide an update on the mining camp encompassed by the Gunnison Copper Project (Gunnison), the Johnson Camp Copper Mine (JCM) and Strong and Harris, located in Cochise County, southeastern Arizona. Nuton — JCM Update In addition to the favorable drilling results which were previously announced on September 14, 2023 and October 16,...

2023-10-23 7:45 AM EDT

Excelsior Mining Announces Assay Results from JCM Stage 1 Drilling with Nuton, a Rio Tinto Venture

Phoenix, Arizona--(Newsfile Corp. - October 16, 2023) - Excelsior Mining Corp. (TSX: MIN) (FSE: 3XS) (OTCQB: EXMGF) ("Excelsior" or the "Company") is pleased to announce assay results at the Johnson Camp Mine (JCM) from the Stage 1 drilling with Nuton LLC ("Nuton"), a Rio Tinto venture. The program consists of drilling approximately 6,000 feet of PQ core, primarily for the purposes of further metallurgical evaluation. The samples from the drill program will be processed for mineralogy and...

2023-10-16 7:45 AM EDT

Excelsior Mining Announces Assay Results from JCM Stage 1 Drilling with Nuton, a Rio Tinto Venture

Phoenix, Arizona--(Newsfile Corp. - September 14, 2023) - Excelsior Mining Corp. (TSX: MIN) (OTCQB: EXMGF) (FSE: 3XS) ("Excelsior" or the "Company") is pleased to announce assay results at the Johnson Camp Mine (JCM) from the Stage 1 drilling with Nuton LLC ("Nuton"), a Rio Tinto venture. The program consists of drilling approximately 6,000 feet of PQ core, primarily for the purposes of further metallurgical evaluation. The samples from the drill program will be processed for mineralogy and...

2023-09-14 7:45 AM EDT

Excelsior Mining Announces Johnson Camp Stage 1 Drilling with Nuton, a Rio Tinto Venture

Phoenix, Arizona--(Newsfile Corp. - August 16, 2023) - Excelsior Mining Corp. (TSX: MIN) (FSE: 3XS) (OTCQB: EXMGF) ("Excelsior" or the "Company") is pleased to announce that it has commenced drilling at Johnson Camp with Nuton LLC ("Nuton"), a Rio Tinto venture, to further evaluate the use of its Nuton™ copper heap leaching technologies at Excelsior's Johnson Camp mine in Cochise County, Arizona. The program consists of drilling 6,000 feet of PQ core for the purposes of further metallurgical...

2023-08-16 7:45 AM EDT

Excelsior Mining Announces Option Agreement with Nuton, a Rio Tinto Venture

Phoenix, Arizona--(Newsfile Corp. - July 31, 2023) - Excelsior Mining Corp. (TSX: MIN) (FSE: 3XS) (OTCQB: EXMGF) ("Excelsior" or the "Company") is pleased to announce that it has entered into an Option Agreement (the "Agreement") with Nuton LLC, a Rio Tinto venture, to further evaluate the use of its Nuton™ copper heap leaching technologies at Excelsior's Johnson Camp mine in Cochise County, Arizona. Under the Agreement, Excelsior remains the operator and Nuton funds Excelsior's costs...

2023-07-31 7:45 AM EDT

Excelsior Mining Announces AGM Results

Phoenix, Arizona--(Newsfile Corp. - June 23, 2023) - Excelsior Mining Corp. (TSX: MIN) (FSE: 3XS) (OTCQB: EXMGF) ("Excelsior" or the "Company") reports that the nominees listed in the management information circular for the 2023 Annual General and Special Meeting of shareholders were elected as directors of Excelsior. Detailed results of the vote for the election of directors held at the Annual General and Special Meeting on June 22, 2023 in Vancouver, B.C., are set out below:

2023-06-23 7:45 AM EDT

Excelsior Mining Announces the Permit Amendment for Well Stimulation at the Gunnison Copper Mine is Now Effective

Phoenix, Arizona--(Newsfile Corp. - June 1, 2023) - Excelsior Mining Corp. (TSX: MIN) (FSE: 3XS) (OTCQB: EXMGF) ("Excelsior" or the "Company") is pleased to announce that the amended permit to the Class III Underground Injection Control ("UIC") Area Permit, that allows for well stimulation to occur at the Gunnison Copper Project, located in Cochise County, southeastern Arizona is now effective as of May 26th 2023. The amended permit was originally issued on April 21, 2023 but was not...

2023-06-01 7:30 AM EDT

Excelsior Mining Announces Receipt of Permit Amendment for Well Stimulation at the Gunnison Copper Mine

Phoenix, Arizona--(Newsfile Corp. - April 24, 2023) - Excelsior Mining Corp. (TSX: MIN) (FSE: 3XS) (OTCQB: EXMGF) ("Excelsior" or the "Company") is pleased to announce that the United States Environmental Protection Agency has issued an amendment to the Class III Underground Injection Control ("UIC") Area Permit, that will allow for well stimulation to occur at the Gunnison Copper Project, located in Cochise County, southeastern Arizona. Well stimulation has the potential to fundamentally...

2023-04-24 7:30 AM EDT

Excelsior Mining Announces Retirement of Director

Phoenix, Arizona--(Newsfile Corp. - March 31, 2023) - Excelsior Mining Corp. (TSX: MIN) (FSE: 3XS) (OTCQB: EXMGF) ("Excelsior" or the "Company") announces that long serving Board member, Lord Robin Renwick, is retiring as a director of the Company effective March 31, 2023. Lord Renwick has elected to retire for age reasons and he is concurrently retiring from his other public board of director positions. Initially appointed in 2014, Lord Renwick has provided invaluable contributions during...

2023-03-31 7:45 AM EDT

Excelsior Mining Files Technical Report for Updated Preliminary Economic Assessment on Johnson Camp Mine Incorporating Sulfide Leaching Technology

Phoenix, Arizona--(Newsfile Corp. - February 28, 2023) - Excelsior Mining Corp. (TSX: MIN) (FSE: 3XS) (OTCQB: EXMGF) ("Excelsior" or the "Company") is pleased to announce that it has filed a National Instrument ("NI") 43-101 Technical Report dated effective February 1, 2023 (the "Report") on SEDAR at www.sedar.com. The Report is with respect to the results of its Updated Preliminary Economic Assessment ("PEA") on the Johnson Camp Mine Heap Leach, located in Cochise County, southeastern...

2023-02-28 7:30 AM EST

Excelsior Mining to Present a Live-Video Webinar to Highlight the Newly Released Johnson Camp Mine PEA

Phoenix, Arizona--(Newsfile Corp. - February 22, 2023) - Excelsior Mining Corp. (TSX: MIN) (OTCQB: EXMGF) (FSE: 3XS) ("Excelsior" or the "Company") announces that Stephen Twyerould President & CEO, and Robert Winton SVP & General Manager, will be presenting a live-video webinar with Q&A on Wednesday, March 1st at 4:05 pm (EST). The event will be hosted by Amvest Capital. Those wishing to participate in the video-webinar can do so by Registering Here. CLICK HERE TO REGISTER TO THE WEBINAR...

2023-02-22 5:00 PM EST

Excelsior Mining Announces Updated Preliminary Economic Assessment on Johnson Camp Mine Incorporating Sulfide Leaching Technology

Phoenix, Arizona--(Newsfile Corp. - February 22, 2023) - Excelsior Mining Corp. (TSX: MIN) (FSE: 3XS) (OTCQB: EXMGF) ("Excelsior" or the "Company") is pleased to announce the results of its Updated Preliminary Economic Assessment ("PEA") on the Johnson Camp Mine Heap Leach, located in Cochise County, southeastern Arizona. The PEA considers the results of the drill program completed in 2022 and the implementation of sulfide leaching technology to improve recoveries. As part of the PEA, the...

2023-02-22 7:45 AM EST

Excelsior Mining Announces Closing of US$3,000,000 Financing

Phoenix, Arizona--(Newsfile Corp. - February 9, 2023) - Excelsior Mining Corp. (TSX: MIN) (FSE: 3XS) (OTCQB: EXMGF) ("Excelsior" or the "Company") is pleased to announce that today it has closed its US$3 million private placement of unsecured convertible debentures (the "Debenture Offering"). Pursuant to the Debenture Offering, investors subscribed for a total of US$3 million principal amount of convertible debentures (the "Debentures"). The terms of the Debentures include: a maturity date of...

2023-02-09 5:00 PM EST

CORRECTION FROM SOURCE: Excelsior Mining Announces Extension of Nebari Loan and US$3,000,000 Financing

Phoenix, Arizona--(Newsfile Corp. - January 30, 2023) - Excelsior Mining Corp. (TSX: MIN) (FSE: 3XS) (OTCQX: EXMGF) ("Excelsior" or the "Company") is pleased to announce that it and its wholly-owned subsidiary Excelsior Mining Arizona, Inc. ("Excelsior Arizona") has agreed with Nebari Natural Resources Credit Fund I LP ("Nebari") to extend the maturity date of its existing US$15 million credit facility to March 31, 2025. In addition, the Company has entered into agreements for a US$3 million...

2023-01-30 6:50 PM EST

Excelsior Mining Announces Extension of Nebari Loan and Us$3,000,000 Financing

Phoenix, Arizona--(Newsfile Corp. - January 30, 2023) - Excelsior Mining Corp. (TSX: MIN) (FSE: 3XS) (OTCQB: EXMGF) ("Excelsior" or the "Company") is pleased to announce that it and its wholly-owned subsidiary Excelsior Mining Arizona, Inc. ("Excelsior Arizona") has agreed with Nebari Natural Resources Credit Fund I LP ("Nebari") to extend the maturity date of its existing US$15 million credit facility to March 31, 2025. In addition, the Company has entered into agreements for a US$3 million...

2023-01-30 5:00 PM EST

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