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 Provides Copper Production Update

Phoenix, Arizona--(Newsfile Corp. - March 2, 2020) - Excelsior Mining Corp. (TSX: MIN) (FSE: 3XS) (OTCQX: EXMGF) ("Excelsior" or the "Company") is pleased to confirm that wellfield optimization at the Gunnison Copper Project in Southern Arizona is progressing as planned. Excelsior previously announced some changes to the production wellfield (see Excelsior news release dated February 4, 2020) in order to improve efficiency for long-term production performance. These changes are expected to be...

2020-03-02 8:45 AM EST

Excelsior Mining Provides Production Update

Phoenix, Arizona--(Newsfile Corp. - February 4, 2020) - Excelsior Mining Corp. (TSX: MIN) (FSE: 3XS) (OTCQX: EXMGF) ("Excelsior" or the "Company") is pleased to provide an update following the first month of mining operations at the Gunnison Copper Project in Southern Arizona. Excelsior has collected a significant amount of data over the first month of operations and based on the data has identified optimization programs that are currently being implemented. Excelsior is initiating the...

2020-02-04 8:45 AM EST

Excelsior Mining Announces Positive Initial Wellfield Results at the Gunnison Copper Project

Phoenix, Arizona--(Newsfile Corp. - January 8, 2020) - Excelsior Mining Corp. (TSX: MIN) (FSE: 3XS) (OTCQX: EXMGF) ("Excelsior" or the "Company") is pleased to provide an update on operations at the Gunnison Copper Project in southern Arizona. Initial copper recovery grades are exceeding feasibility study expectations. Pregnant leach solution (PLS) grade is currently measuring 0.15 grams per liter (gpl) copper in the primary recovery pond; this milestone is ahead of schedule and keeps...

2020-01-08 8:55 AM EST

Excelsior Mining Commences Mining Operations at the Gunnison Copper Project

Phoenix, Arizona--(Newsfile Corp. - January 2, 2020) - Excelsior Mining Corp. (TSX: MIN) (FSE: 3XS) (OTCQX: EXMGF) ("Excelsior" or the "Company") confirms the successful commencement of mining operations at the Gunnison Copper Project in southern Arizona. Following a comprehensive commissioning program that has been ongoing for several weeks, regulatory approval to commence mining operations through the injection of acid was recently received from the Environmental Protection Agency (See...

2020-01-02 8:35 AM EST

Excelsior Mining Receives Approval to Start Mining Operations

Phoenix, Arizona--(Newsfile Corp. - December 23, 2019) - Excelsior Mining Corp. (TSX: MIN) (FSE: 3XS) (OTCQX: EXMGF) ("Excelsior" or the "Company") confirms that approval to commence mining operations through the injection of acid has been received from the Environmental Protection Agency. Delivery of mining fluids to the copper orebody is scheduled to begin before year-end at the Gunnison Copper Project in southern Arizona. First copper cathode sales are expected in Q1, 2020. Throughout the...

2019-12-23 8:30 AM EST

Excelsior Mining Secures Credit Facility

Phoenix, Arizona--(Newsfile Corp. - November 1, 2019) - Excelsior Mining Corp. (TSX: MIN) (FSE: 3XS) (OTCQX: EXMGF) ("Excelsior" or the "Company") announces that it and its wholly-owned subsidiary Excelsior Mining Arizona, Inc. ("Excelsior Arizona") have entered into an agreement with Nebari Natural Resources Credit Fund I LP ("Nebari") for a US$15 million credit facility (the "Credit Facility"). The Credit Facility provides for an initial draw of US$5 million (the "Initial Draw"), and two...

2019-11-01 8:45 AM EDT

Excelsior Mining Completes Construction and Starts Wet Commissioning

Phoenix, Arizona--(Newsfile Corp. - October 9, 2019) - Excelsior Mining Corp. (TSX: MIN) (FSE: 3XS) (OTCQX: EXMGF) ("Excelsior" or the "Company") provides a construction update ahead of the commencement of mining operations at the Gunnison Copper Project in southern Arizona. Excelsior remains on-schedule for first copper cathode production in Q4 2019. All significant construction related to wellfield operations is now complete. Wet commissioning is currently being conducted; whereby down-hole...

2019-10-09 8:45 AM EDT

Excelsior Mining Completes Production Wellfield Drilling

Phoenix, Arizona--(Newsfile Corp. - September 12, 2019) - Excelsior Mining Corp. (TSX: MIN) (FSE: 3XS) (OTCQX: EXMGF) ("Excelsior" or the "Company") confirms the successful completion of the drilling of the production wellfield at the Gunnison Copper Project in southern Arizona. Excelsior remains on-schedule for first copper production in Q4 2019. A total of 41 production wells have been successfully drilled. The depth of each well is approximately 1300 feet, and all wells are open within the...

2019-09-12 8:40 AM EDT

Excelsior Mining Completes All Ponds at the Gunnison Copper Project

Phoenix, Arizona--(Newsfile Corp. - September 10, 2019) - Excelsior Mining Corp. (TSX: MIN) (FSE: 3XS) (OTCQX: EXMGF) ("Excelsior" or the "Company") confirms the successful completion of all ponds essential for production at the Gunnison Copper Project in southern Arizona. Excelsior remains on-schedule for first copper production in Q4 2019. The Gunnison Copper Project has six major ponds represented by five types: Pregnant Leach Solution (PLS), raffinate, evaporation, utility and draindown...

2019-09-10 9:00 AM EDT

Excelsior Mining Completes Pipeline Corridor from Wellfield to Production Facility

Phoenix, Arizona--(Newsfile Corp. - August 27, 2019) - Excelsior Mining Corp. (TSX: MIN) (FSE: 3XS) (OTCQX: EXMGF) ("Excelsior" or the "Company") confirms the successful completion of the pipeline corridor at the Gunnison Copper Project in southern Arizona. Construction of a two-mile high-density polyethylene (HDPE) pipeline corridor connecting the Johnson Camp Mine (JCM) processing facility to the production wellfield began in January and has now been successfully completed precisely as per...

2019-08-27 8:30 AM EDT

Excelsior Mining Receives First Acid Delivery for Copper Production

Phoenix, Arizona--(Newsfile Corp. - August 13, 2019) - Excelsior Mining Corp. (TSX: MIN) (FSE: 3XS) (OTCQX: EXMGF) ("Excelsior" or the "Company") confirms the first delivery of acid to the Gunnison Copper Project in southern Arizona. Excelsior remains on-schedule for first copper production in Q4 2019. In July, Excelsior completed the construction of three new acid storage tanks and a new acid unloading facility. The new acid storage tanks have capacity for 7500 tons of sulphuric acid,...

2019-08-13 9:00 AM EDT

Excelsior Mining Completes Power Connection to Production Wellfield

Phoenix, Arizona--(Newsfile Corp. - July 16, 2019) - Excelsior Mining Corp. (TSX: MIN) (FSE: 3XS) (OTCQX: EXMGF) ("Excelsior" or the "Company") is pleased to confirm that electrical power upgrades have been completed at the Gunnison Copper Project in southeast Arizona; thereby allowing for all components of the project to be energized. This is another significant milestone and allows Excelsior to remain on-track for first copper production in Q4 2019. The power transmission line to the...

2019-07-16 8:45 AM EDT

Excelsior Mining Successfully Completes Key Pipeline Component

Phoenix, Arizona--(Newsfile Corp. - June 27, 2019) - Excelsior Mining Corp. (TSX: MIN) (FSE: 3XS) (OTCQX: EXMGF) ("Excelsior" or the "Company") is pleased to confirm that excavation under the I-10 Highway has been completed; thereby, allowing for the pipeline corridor to be connected from the production wellfield to the Johnson Camp Mine ("JCM") processing facilities. Excelsior remains on scheduled for first copper production in Q4 2019. Construction of a two-mile pipeline corridor connecting...

2019-06-27 11:56 AM EDT

Excelsior Announces AGM Results

Phoenix, Arizona--(Newsfile Corp. - June 21, 2019) - 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 2019 Annual General Meeting of shareholders were elected as directors of Excelsior. Detailed results of the vote for the election of directors held at the Annual General Meeting on June 20, 2019 in Vancouver, B.C., are set out below:

2019-06-21 9:00 AM EDT

Excelsior Mining Successfully Conducts Production Wellfield Pump Tests and Provides Mine Construction Update

Phoenix, Arizona--(Newsfile Corp. - May 9, 2019) - Excelsior Mining Corp. (TSX: MIN) (FSE: 3XS) (OTCQX: EXMGF) ("Excelsior" or the "Company") is pleased to confirm that four successful wellfield pump tests have been completed at the Gunnison Copper Project ("Gunnison"), in southeast Arizona. The Company is also providing a comprehensive mine construction update. Excelsior remains on scheduled for first copper production in Q4 2019. Excelsior's President & CEO Stephen Twyerould said, "Our...

2019-05-09 8:45 AM EDT

Excelsior Mining Provides Mine Construction Progress Report

Phoenix, Arizona--(Newsfile Corp. - January 31, 2019) - Excelsior Mining Corp. (TSX: MIN) (FSE: 3XS) (OTCQX: EXMGF) ("Excelsior" or the "Company") is pleased to provide a construction progress report for the Gunnison Copper Project ("Gunnison"), in southeast Arizona. Photos of the construction process can be found on the Company's website. First copper production is scheduled for Q4 2019. Construction Highlights: A new access road south of the I10 Highway has been installed. Access to the...

2019-01-31 8:45 AM EST

Excelsior Mining Closes US$9.4M Equity Placement with Greenstone Resources and Confirms Stock Option Exercise Program

Phoenix, Arizona--(Newsfile Corp. - December 6, 2018) - Excelsior Mining Corp. (TSX: MIN) (FSE: 3XS) (OTCQX: EXMGF) ("Excelsior" or the "Company") is pleased to announce the closing of a US$9.4 million equity placement with affiliates of Greenstone Resources L.P. pursuant to the terms of a previously announced subscription agreement (see Excelsior news release dated November 21, 2018 - Greenstone Resources Confirms US$9.4 Million Equity Placement). Excelsior has issued to Greenstone an...

2018-12-06 8:45 AM EST

Excelsior Mining: Altius Exercises C$5 Million Royalty Option

Phoenix, Arizona--(Newsfile Corp. - December 5, 2018) - Excelsior Mining Corp. (TSX: MIN) (FSE: 3XS) (OTCQX: EXMGF) ("Excelsior" or the "Company") is pleased to announce that Altius Royalty Corporation ("Altius") has exercised the final royalty option under the Share Purchase and Royalty Option Agreement dated July 19, 2013 between the Company and Altius. As a result of the exercise of the final option, Altius has paid the Company C$5.0 million and in return received an additional gross...

2018-12-05 8:45 AM EST

Excelsior Mining Commences Mine Construction at the Gunnison Copper Project

Phoenix, Arizona--(Newsfile Corp. - December 4, 2018) - Excelsior Mining Corp. (TSX: MIN) (FSE: 3XS) (OTCQX: EXMGF) ("Excelsior" or the "Company") is pleased to announce that construction has started at the Gunnison Copper Project ("Gunnison"), in southeast Arizona; first copper production is anticipated in Q4 of 2019. "Our ability to move quickly from the close of project financing to the initiation of construction at our Gunnison Copper Project is a demonstration of the operational capacity...

2018-12-04 8:30 AM EST

Excelsior Mining Closes US$75 Million Project Financing Package and Announces Construction Decision for the Gunnison Copper Project

Phoenix, Arizona--(Newsfile Corp. - November 30, 2018) - Excelsior Mining Corp. (TSX: MIN) (FSE: 3XS) (OTCQX: EXMGF) ("Excelsior" or the "Company") is pleased to announce that the Company has closed a US$75 million project financing package (collectively, the "Financing") (see Excelsior press release dated October 31, 2018). The Financing has been provided by Triple Flag Mining Finance Bermuda Ltd. ("Triple Flag"), and consists of a US$65 million copper metal stream (the "Stream") and a...

2018-11-30 10:49 AM EST

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