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Castle Mine

Ontario, Canada

Castle Mine is a mineral project in Ontario, Canada, at the early exploration stage, held by Nord Precious Metals (TSXV: NTH).

21 news releases are filed under it here.

← Nord Precious Metals profileCompany website ↗

Key facts

CompanyNord Precious Metals (TSXV: NTH)
LocationOntario, Canada
StageEarly exploration

News releases21 on file

  1. Aug 18, 2026

    Castle Surface Gold Trend Confirmed to 560 Metres Long Withi...

    Prospecting and stripping at the Castle East property near Gowganda, Ontario in July 2026 returned a prospecting sample of 2.80 g/t gold, extending the known surface gold trend to approximately 560 metres along a northeast-trending corridor. Channel sampling returned 2.09 g/t gold over 1.6 metres, including 2.51 g/t over 0.7 metres, while grab samples returned 2.47 g/t and 1.22 g/t gold; 34 sample

    Drill results
  2. Jul 16, 2026

    Nord Precious Metals to Present in the Emerging Growth Virtu...

    A presentation at the Emerging Growth Virtual Conference is scheduled for 11:25 am ET on July 16, 2026, given by CEO Frank J. Basa, P.Eng., with an archived webcast to be posted on EmergingGrowth.com and the Emerging Growth YouTube channel. Nord Precious Metals plans to produce silver at its Castle Silver Mine in Northern Ontario, Canada by processing mill tailings from past production and from ne

    Corporate
  3. Jul 15, 2026

    Nord Precious Metals to Participate in CEM's 100th Capital E...

    Participation is confirmed in the TSX Venture Growth Capital Event, hosted by Capital Event Management Ltd. in partnership with TMX Group, taking place July 17-19, 2026 at the Delta Hotels by Marriott Grand Okanagan Resort in Kelowna, British Columbia. The invitation-only conference, CEM's 100th Capital Event, features pre-scheduled one-on-one meetings with investors. Nord will discuss high-grade

    Corporate
  4. Jul 13, 2026

    Gold Potential Outlined Along the Ridout-Tyrrell Corridor at...

    Historical gold exploration results across the consolidated Castle–Gowganda district in Ontario are being compiled into a single structural framework and ranked for follow-up mapping, prospecting and stripping this field season, with drill testing sequenced within a 30,000-metre program. Previously disclosed results cited include surface boulder-train assays of 1.32 g/t and 1.25 g/t gold with copp

    News
  5. Jun 29, 2026

    OTCQB US Symbol Change to “NPMMF” Announced

    FINRA has approved a change to the company's OTC Markets trading symbol, with common shares trading under "NPMMF" (OTCQB:NPMMF) effective Monday, June 29, 2026, replacing the previous symbol CCWOF. The new symbol was selected to reflect the name Nord Precious Metals Mining Inc., whose main focus is the flagship Castle Silver project in Northern Ontario.

    Corporate
  6. May 11, 2026

    Historic Feasibility Study: 325,000 Ounces of Silver Per Yea...

    A publicly available April 1987 Kilborn Limited feasibility study on the silver tailings at the Castle-Gowganda property in Ontario has been identified and reviewed, outlining 1,000 tonnes per day processing over an eight-month season (225,000 tons/year), annual gross production of about 325,000 ounces of silver for seven years, roughly 2 million recoverable ounces at 85% recovery, capital cost of

    Study results
  7. Apr 20, 2026

    Past-Producer High-Grade Silver Boundary Areas Targeted for...

    The next phase of drilling at the consolidated Gowganda-Castle district in Ontario will target structures near historic property boundaries, following the March 31, 2026 closing of a four-mining-lease acquisition that gives Nord control of nearly 4 kilometres of historic boundary, about half through past-producing areas. The acquired ground hosts a historical NI 43-101 indicated tailings resource

    Drill results
  8. Apr 8, 2026

    Engineering Support Retained for Tailings Reprocessing at Ca...

    T Engineering Inc. has been retained to advance silver recovery from tailings across Nord Precious Metals' Gowganda-Castle district land package in Ontario, with scope covering multidisciplinary engineering, tailings storage design via a third-party consultant, and pilot-scale testing at T Engineering's Sudbury laboratory for gravity and hydrometallurgical circuits. The engagement follows the Marc

    Corporate
  9. Nov 26, 2025

    "Title to the Metal" Financing Structure for Silver Producti...

    A non-dilutive financing framework using two classes of redeemable preferred shares is under evaluation to fund silver production at the 100%-owned Castle Silver Mine in Gowganda, Ontario, with Class A shares for outside investors priced at Nord's estimated silver production cost and Class B shares convertible by existing common shareholders. Shares would be redeemable for physical silver or cash

    Financing
  10. Sep 30, 2025

    Deep Ground Penetrating Radar Survey at Castle Completed

    An orientation Deep Ground Penetrating Radar survey with Earth Scan Technologies has been completed over four days at the Castle property near the historic workings in Ontario's Cobalt Camp, targeting mapping of openings to 100 metres across the upper four levels, focused on levels at 21 metres and 48 metres depth. Earth Scan will deliver a final report with maps, vertical sections and a 3D model.

    Drill results
  11. Jul 16, 2025

    Nord Precious Metals Unveils 68th Test Pit Excavation Drone...

    Video documentation of excavation at Test Pit 68 on the Castle Silver Mine property in Ontario's Cobalt Camp shows legacy tailings extending to the property boundaries and beyond, 140 meters from the historic headframe, with a 45-tonne excavator taking 2-cubic-meter samples of 5 to 10 tonnes each. The area designated for gravity circuit installation was found to sit on historical tailings rather t

    News
  12. Jul 2, 2025

    Crews Complete 68th Test Pit at High-Grade Castle Silver Min...

    Test pitting around the Castle Silver Mine headframe in Ontario's Cobalt Camp has completed 68 test pits, with historic tailings and mine rock encountered to the excavator's five-metre digging limit and many pits open to depth. Test pit 68, 140 metres from the headframe, contained tailings to four metres and remained open to depth. Nord will extend test pits to the claim boundaries and is evaluati

    Drill results
  13. Jun 16, 2025

    Crews Mobilized for Pre-Production Tailings Site Development...

    Field crews and earth-moving equipment have been mobilized to the Castle Silver Mine tailings complex in Ontario's Cobalt Camp, starting pad preparation and road upgrades at the Miller Creek tailings pad and the newly identified Castle West coarse-tailings pile ahead of a gravity circuit to recover silver, cobalt, nickel and other metals across the 63 km² property. Ontario's Ministry of Mines has

    Corporate
  14. May 5, 2025

    Preliminary 3D model Shows Exploration Upside of Little-Expl...

    A preliminary 3D model has led Nord Precious Metals to expand exploration to the previously under-explored lower contact of the Nipissing Diabase at its Castle property in the Gowganda Silver Camp, Northeastern Ontario. A recently completed 60,000-metre drill program identified high-grade silver intersections in both the upper and lower portions of the diabase, including 89,859 g/t over 0.30 m, 50

    News
  15. Jan 6, 2025

    Second Tailings Reprocessing Opportunity Identified at Castl...

    A potential second tailings deposit has been identified at the Castle Silver Mine site near Gowganda, Ontario, through deep pit digging next to the mine shaft on two 20-hectare mining leases, with the deepest pit reaching 6 metres and open to depth. Company tailings are amalgamated with off-property historic tailings not owned by Nord that have a drill-indicated resource of 2,960,000 ounces of sil

    News
  16. Oct 28, 2024

    Update on Miller Creek Tailings Reprocessing and Backfilling...

    A preliminary in-house study has been completed for reprocessing the Miller Creek Tailings and backfilling first-level stopes at the Castle Mine near Gowganda, Ontario, with cemented and non-cemented tailings to support crown pillars up to 25 metres from surface. Preliminary contractor costs are $17 per cubic metre for non-cemented and $30 per cubic metre for cemented placement. Backfilling would

    Corporate
  17. Sep 9, 2024

    411 g/t Silver Equivalent Assayed in Miller Creek Tailings S...

    Raw data from a historical 14-hole sonic drill program on the eastern edge of the Miller Creek tailings pond, covering 10 percent of the surface deposit, returned silver equivalent assays of 411 to 248 g/t, with pure silver ranging from 370 to 49 g/t and magnesium from 41,000 to 54,000 g/t. The tailings derive from past production at the Castle Mine near Gowganda, Ontario. Nord envisions a two-sta

    Drill results
  18. Aug 20, 2024

    Update on Progress on Recovery Permits and Future Tailings O...

    A backfill contractor has been engaged to place Miller Creek tailings underground at the Castle Mine near Gowganda, Ontario, starting with the first level, using cemented backfill to stabilize crown pillars and historic surface openings — a key requirement for closure plan approval before a permit to extract mineralized material underground. Nord plans to use a remote-controlled scoop tram to reco

    Corporate
  19. Aug 5, 2024

    Plans for Future Operations at Castle Mine

    Correspondence with the Ontario Ministry of Mines continues on recovery permits needed to advance operations at the Castle Mine near Gowganda, Northern Ontario. Plans include processing tailings from prior mine operations with waste placed underground, backfilling to improve stability of the historic crown pillar, and recovering broken mineralized material from historic stopes for processing at th

    Corporate
  20. Apr 2, 2024

    Silver Paste Production for Solar Cells and High-Tech Applic...

    A process to manufacture silver paste, a component used in solar cells and other high-tech applications, is under development with Temiskaming Testing Laboratories. The company is in discussions with cell producers across Canada about collaboration and awaiting production specifications, and says its Cobalt facility and Coleman location are suited to producing the product. Nord is also in discussi

    Corporate
  21. Jan 28, 2024

    Permitting Process Resumes for Castle, Paving Way for Bulk S...

    The permitting process has resumed for the Castle East High-Grade Silver Project in the Cobalt Mining Camp, Northern Ontario, and the company plans to take a bulk sample as a step toward potential future mining. More than 60,000 metres of diamond drilling at the Castle property has intersected mineralized veins grading up to 89,853 g/t silver (2,621 ounces per ton) over 0.3 metres in Hole CS-20-39

    Corporate

Related

Other Nord Precious Metals projects

  • Beaver Mine · Silver · Canada
  • Castle East · Canada
  • Graal Property
  • Temiskaming Testing Labs · Canada
Nord Precious Metals profile →Nord Precious Metals news →Reading an NI 43-101 →