Dateline Resources has taken a major step forward in de-risking its fully-owned 1.1 million ounce Colosseum gold and rare earths project in California via the execution of an option agreement that secures critical water rights and near-mine infrastructure.
The agreement provides access to approximately 27 acres of paved industrial land at the base of Colosseum Mine Road, complete with four existing buildings and two dedicated groundwater wells for primary and backup service.
The wells are capable of supplying 100 per cent of the water required for full-scale mining and processing operations in the arid San Bernardino County environment.
Dateline can exercise the option at any time within the next 16 months for a total fee of up to US$200,000. Upon exercise, it converts to a 10-year lease with a 5-year extension option on pre-agreed terms.
The ready-to-use site will serve as an immediate laydown yard, staging area, equipment storage, maintenance workshops and personnel parking – significantly reducing upfront capital needs by re-purposing existing facilities rather than building from scratch.
This dual solution addresses two key development hurdles that typically confront many projects in their early stages: reliable water supply and efficient logistics.
The closed-loop, zero-wastewater processing plant design already planned for the Bankable Feasibility Study (BFS) will further conserve water through full on-site recycling.
The company’s flagship Colosseum gold mine is located in the Walker Lane geological trend in East San Bernardino County, California, USA.
In mid-2024, the company revealed a JORC-2012 compliant mineral resource estimate of 27.1 million tonnes averaging 1.26g/t gold for 1.1 million ounces at Colosseum.
A Scoping Study released in May 2025 outlined a robust gold mining operation, projecting production of 635,000 ounces over an initial eight years, with net revenues of US$827 million, a NPV of US$550 million, and an IRR of 61 per cent.
Given the estimates in the study were built on a gold price of US$2900 (A$4317) per ounce, with the current price hovering around US$4500 (A$6700) per ounce, a significant improvement on the economics seems assured.
Dateline’s BFS for the project remains firmly on track for completion in Q1 2026. With nearly all vendor quotations for machinery and equipment received, the data is now being integrated into refined capex and opex models.
It’s business as usual at Colosseum. We now have a guaranteed water source for our processing plant and an infrastructure site at the foot of the mine. This puts us in an excellent position as we finalise the feasibility study and head into the new year.
Adding to recent momentum, drilling results announced on 15 December continued to deliver strong gold intercepts in the North Pipe.
Standout results include a best result in one hole of 62.48 metres assaying 2.52 grams per tonne (g/t) gold from 25.91m depth, including 10.67m at 7.27g/t gold from 39.62m,
A second hole probed 108.20m at 1.18g/t gold from 9.14m, including 13.72m at 4.48g/t gold from 56.39m, while a third hole bored through 117.34m at 1.01g/t gold from surface, including 9.14m at 1.84g/t gold from 36.57m.
The broad mineralised zones with higher-grade cores reinforce mineralisation continuity and further support the existing 1.1 million ounce JORC resource.
Dateline has also launched an upgraded corporate website featuring an interactive 3D model of the proposed mine site, processing plant and infrastructure layout offering shareholders a clear virtual tour of the project’s scale and design.
With water, infrastructure and feasibility milestones locked in and ongoing drilling success, Dateline is steadily advancing Colosseum toward construction in 2026 – positioning it as a near-term US gold – and potential rare earths – producer with both markets in screaming demand.
Is your ASX-listed company doing something interesting? Contact: matt.birney@wanews.com.au
https://thewest.com.au/business/bulls-n-bears/dateline-secures-water-land-for-us-gold-rare-earths-project-c-21148414
