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Dateline Resources Limited (ASX:DTR)(OTCQB:DTREF) generates frequent news flow as it advances its gold and critical minerals projects in North America. The company’s announcements focus on drilling results, feasibility study progress, project acquisitions and capital markets milestones related to its flagship Colosseum Gold-REE Project and the Argos Strontium Project, both in California.
Recent news has highlighted wide and high-grade gold intercepts from reverse circulation and diamond drilling at the Colosseum Gold-REE Project in East San Bernardino County. Dateline reports that these results improve the continuity of mineralisation around the North and South pits and in some cases extend beyond the existing mineral resource envelope. Updates also describe Bankable Feasibility Study drilling, including infill, extensional, geotechnical, stockpile and tailings stability programs.
In parallel, Dateline has published news on magneto-telluric modelling that, according to the company, confirms a high-priority rare earth element target on line 2200N at Colosseum. Announcements explain how independent 3D MT inversion models and surface mapping of REE-bearing fenite dykes support the interpretation of carbonatite-hosted REE potential. The company also reports on an accelerated drilling campaign designed to test both gold breccia pipe targets and REE anomalies.
Other news items cover the completion of a $25 million institutional placement to fund work at Colosseum, the acquisition of 100% of the Argos Strontium Project in California, and Dateline’s admission to the S&P/ASX All Ordinaries Index. Governance-related updates include the appointment of experienced North American mining executives as Non-Executive Directors. Investors and observers can use this news stream to follow Dateline’s exploration results, feasibility work, financing activities and strategic developments.
Dateline Resources (OTCQB:DTREF) has acquired and mobilised a second diamond drill rig to Colosseum to fast-track a planned 12-hole rare earth element (REE) program. The track-mounted rig can drill to 3,900 feet and will operate alongside a contracted rig to accelerate regional gold and REE testing.
Dateline also plans to deploy the rig to Music Valley and Argos as needed, while a company-owned third rig will support additional drilling aimed at expanding potential underground gold resources.
Summary not available.
Dateline Resources (OTCQB:DTREF) commenced exploration at the newly acquired Music Valley HREE Project in Riverside County, California on March 3, 2026. A 2,172 line-kilometre helicopter-borne magnetic and radiometric survey will start next week, flown at 30m height with 50m line spacing and expected to take 8–10 days.
REE specialist Tony Mariano Jr and structural geologist Dr Russell Mason will begin mapping and rock-chip sampling to target Pinto Gneiss outcrops and prioritize follow-up sampling.
Dateline Resources (OTCQB:DTREF) acquired the Music Valley HREE Project in Riverside County, California: 57 claims totaling 1,140 acres with historical USGS rock-chip results showing 6.69%–15.04% TREO and elevated yttrium, dysprosium and other HREEs.
Dateline also completed a US$1.0M strategic equity investment in Fermi Critical Minerals, gaining 4 million shares (of ~45 million) and exposure to eight U.S. projects; planned work will include mapping, confirmatory sampling, geophysics and target definition funded from cash of >US$53M.
Dateline Resources (OTCQB:DTREF) reports integrated high-resolution geophysics, geochemistry and drilling at the Colosseum Project that identify three carbonatite-style REE targets. Drill hole RC25-038 intersected mantle-derived rare earth elements at ~40 meters with elevated Ba, Sr, Ca, P, Th and U. A 12-hole diamond program is approved to test Target 1 (Clark Mountain Fault, ~1.2km by 150–200m) and Target 2 (Eastern Gravity High), with several holes planned beyond 750 meters.
The combined gravity, magnetics, radiometrics, IP and MT datasets, plus surface chemistry, increase confidence in a preserved, subsurface carbonatite system and refine drill locations.
Dateline Resources (OTCQB:DTREF) reported diamond hole CM25-41 at Colosseum returned 149.65 m @ 1.39 g/t Au from surface, including 55.2 m @ 2.83 g/t Au. The hole ended in mineralisation, confirming the North Pipe northeast extension remains open at depth.
The project hosts a JORC 2012 resource of 27.1 Mt @ 1.26 g/t Au (1.1 Moz); a May 2025 scoping study modelled an ~8.5-year open-pit with a 61% IRR at US$2,900/oz.
Dateline Resources (OTCQB:DTREF) completed infill gravity, magnetic and radiometric surveys at its 100%‑owned Colosseum Gold and Rare Earth Project, following an IP survey in Dec 2025. The datasets (543 gravity stations; 8.6 km² magnetic/radiometrics) are being integrated to refine targets before diamond drilling scheduled to start next week.
The integrated interpretation aims to finalise priority targets at depths of approximately 500–1,000 metres, with Mitre Geophysics assisting data integration and drill planning ongoing.
Dateline Resources (OTCQB:DTREF) completed a five-line ground induced polarization (IP) survey at its 100%‑owned Colosseum Gold and Rare Earth Project, California, during the December quarter. The IP program used a pole‑dipole array with 100 m dipole spacing, totaling ~13 line‑kilometres, and identified elevated chargeability zones at shallow and deeper levels. Preliminary IP anomalies are spatially coincident with magnetotelluric (MT) conductivity highs, a USGS radiometric thorium trend and a mapped northwest fault zone, prompting prioritization of drill targets where datasets converge. Mitre Geophysics is performing detailed inversion and interpretation; infill gravity and aeromagnetic surveys have been commissioned to refine targeting ahead of an expanded, deeper drilling program.
Dateline Resources (OTCQB:DTREF) completed a $35.0M institutional placement at $0.31 per share, issuing 112.9M new ordinary shares and increasing cash to over $58M as of January 23, 2026.
Proceeds will fund an accelerated Colosseum development program including deeper REE and gold drilling (two diamond rigs mobilizing), completion of a Bankable Feasibility Study, expanded site works, and ordering long‑lead items. Senior management and directors committed $1.35M to the placement (director allocations subject to shareholder approval). The company is progressing a transition to U.S. reporting standards and has appointed K&L Gates to advise on legal matters.
Dateline Resources (OTCQB:DTREF) reports the Colosseum Bankable Feasibility Study (BFS) is in final stages with major workstreams advanced. Metallurgical test-work confirms 91–92% gold recovery at 106µm grind, matching prior Scoping Study assumptions. Geotechnical studies support improved open pit design and a potentially reduced strip ratio. Historic concrete processing foundations were uncovered, which may cut construction time and capital. The project will adopt a closed-loop dry-stack tailings approach with a prioritized filter plant (long-lead). Key long-lead equipment orders are being negotiated. The Company notes the gold price has risen from the May 2025 assumption of US$2,900/oz to >US$4,600/oz, expected to materially improve project economics. BFS completion will incorporate final engineering, scheduling and cost estimates.