(TheNewswire) Vancouver, British Columbia, November 19, 2025 TheNewswire – Prismo Metals Inc. (the ‘ Company ‘) (CSE: PRIZ,OTC:PMOMF) (OTCQB: PMOMF) is pleased to report that it has completed a detailed exploration program at the Black Diamond area of its Silver King Project located in Arizona. Work consisted of mapping and sampling of the area including the Black Diamond copper replacement body and the newly encountered strongly altered felsic intrusion with stockwork veining.  A handheld XRF analyzer was used to complete a soil geochemistry grid and to analyze selected rock samples in a qualitative manner. Additionally, an IP survey was recently initiated over the Silver King land package, with results expected by the first week of December. Figure 1 .  Map showing the location of the Black Diamond replacement and felsic intrusion exploration targets at the Silver King project.  Claim boundaries are shown in yellow. The soil survey defined a large…

American Rare Earths (ASX: ARR | OTCQX: ARRNF | ADR: AMRRY) (“ARR” or the “Company”), is pleased to announce an updated Mineral Resource Estimate for the Cowboy State Mine area within its flagship Hallack Creek Rare Earths Project. The update incorporates the results from 18 additional channel samples and coincides with the acquisition of two new exploration drilling permits. Highlights Updated Mineral Resource Estimate in the Cowboy State Mine (“CSM”) Area RECLASSIFIES INDICATED RESOURCE BY 68.4 MILLION TONNES. 102 Channel Samples collected in 2025 provided data points for an updated geological resource model, resource conversion and mineral resource ESTIMATE Summer exploration and mapping collected 18 additional channel samples across the CSM area 18 Channel samples returned average values of 5,471 ppm Total Rare Earth Oxides (TREO) Standout sample (CS25-RM111) contained a new record high assay grade for the entire Halleck Creek Resource with a Total Rare Earth Oxide (“TREO”) grade…

East Star Resources (LSE:EST) and Endeavour Exploration announced they have entered into a binding earn-in and joint venture (JV) agreement to advance gold exploration in Kazakhstan. Endeavour Exploration, a subsidiary of top gold producer Endeavour Mining (LSE:EDV,TSX:EDV,OTCQX:EDVMF), will have the right to earn up to an 80 percent interest in a new JV company via staged investments. Stage 1 includes a US$5 million payment within two years, equivalent to a 51 percent interest. If an additional US$20 million is given over three years, its interest will increase to 70 percent. The last 10 percent will be given to Endeavour if it funds and completes a prefeasibility study. During the initial phase, East Star will act as manager of the JV. The area of interest for the partnership includes two proven, underexplored mineral belts. ‘This agreement with Endeavour is a transformational milestone for East Star that validates the quality of our…

Rio Tinto (ASX:RIO,NYSE:RIO,LSE:RIO) said on Monday (November 17) that it has signed a joint development agreement with environmental technology company Calix (NYSE:CALX,ASX:CXL) to develop Calix’s Zero Emissions Steel Technology (Zesty) green iron demonstration plant in Western Australia. If approved, the plant will be built at a site in Kwinana, south of Perth, that was previously earmarked for Rio Tinto’s BioIron research and development facility and associated pilot plant. Under the deal with Calix, Rio Tinto will invest more than AU$35 million, pending project milestones. Funding from the mining giant will include both in-kind and financial contributions. The plant received AU$44.9 million in Australian Renewable Energy Agency support in July. Rio Tinto’s work will include helping Calix reach a final investment decision through technical support, engineering services and advocacy. Subject to a final investment decision and successful project construction, Rio Tinto will provide up to 10,000 tonnes of various Pilbara iron…

Skyharbour Resources Ltd. (TSX-V: SYH ) (OTCQX: SYHBF ) (Frankfurt: SC1P ) (‘Skyharbour’, ‘SYH’ or the ‘Company’) is pleased to announce that it has entered into a definitive repurchase agreement (the ‘Strategic Agreement’) with Denison Mines Corp. (‘Denison’ or ‘DML’) whereby Denison will acquire an initial project interest in Skyharbour’s Russell Lake Uranium Project (‘Russell’ or the ‘Project’) and the parties have agreed to enter into four separate joint venture agreements at closing on various claims making up Russell (the ‘Transaction’). The Project is strategically located in the central portion of the Eastern Athabasca Basin of northern Saskatchewan, with access to regional infrastructure, including an all-weather road and powerline. Russell Lake Project Location Map: http://www.skyharbourltd.com/_resources/images/2025-11-14%20SKY-RussellLake-Updated.jpg Highlights: Strategic Agreement represents combined total project consideration of up to CAD $61.5 million consisting of cash or share payments to Skyharbour totalling up to $21.5 million (including $18.0 million before year end) plus expenditures…

Brunswick Exploration Inc. (TSX-V: BRW, OTCQB: BRWXF; ‘ BRW ‘ or the ‘ Company ‘) is pleased to announce inaugural drilling results from its Anatacau Main Project, located in the Eeyou Istchee-James Bay region of Quebec. All drillholes were centered on the Anais showing and intercepted multiple, large spodumene-bearing pegmatites with rich lithium mineralization. The pegmatites are found along a major deformation corridor, reminiscent of the neighboring Galaxy deposit owned by Rio Tinto located 22 kilometers to the West. Highlights include: 1.66% Li2O over 47.2 meters in drill hole AN-25-05 within a larger package of continuous lithium mineralization (present within both country rock and pegmatites) of 120.7 meters at 1.31% Li2O . Very high cesium values intercepted in multiple secondary sub-parallel dykes including 1.46% Cs2O over 1 meter and 0.8% Cs2O over 1 meter. This latest discovery is now drill traced over 170 meters of strike length and is open…

During the Mining Share panel at the New Orleans Investment Conference, participants underscored that the gold bull market will continue — however, just where we are in that bull run was up for debate. For conference host and Gold Newsletter editor Brien Lundin, there is still some way to go. “The gold bull market is still in place. We don’t know how long it’s going to last. That’s the hard part. I think gold’s going to US$6,000 to US$8,000 (per ounce) in the cycle, maybe more. (The) mining share bull market, I would say we’re probably in the fourth inning, fifth inning, maybe. But you know, we could go to extra innings,” he said. Strategic investor Jeff Phillips also believes the gold bull market is at an early stage. ‘I would say that we are in the third or fourth inning,” he said. “This is early on in the bull…

On Thursday (November 13), Canadian Prime Minister Mark Carney announced a second round of nation-building projects that will be referred to the Major Projects Office. The office was established earlier in the year to streamline the regulatory and funding processes for projects deemed to be in the national interest. The first set of projects, announced on September 11, included support for the expansion of Newmont’s (NYSE:NEM,ASX:NEM) Red Chris mine in Northern British Columbia, LNG Canada’s phase 2 expansion of its facility in Kitimat, BC, and Foran Mining’s (TSX:FOM) McIlvenna Bay copper-zinc project in Saskatchewan. According to the Prime Minister’s Office (PMO), the new set of projects represents more than C$56 billion in new investment and supports the creation of 68,000 new jobs. Critical mineral projects on the list consist of: Outside of critical minerals projects, the announcement included support for the Ksi Lisims liquefied natural gas (LNG) project near Prince…