Hurricane Option Extension & Rock Chip Results-ECR MINERALS PLC

Hurricane Option Extension & Rock Chip Results-ECR MINERALS PLC

Extension of option to acquire the Hurricane Project

Encouraging First Round Rock Chip Results

ECR Minerals plc (LON: ECR), the exploration and development company focused on gold in Australia, is pleased to announce an extension to its option to acquire Placer Gold Pty Limited, the owner of the Hurricane Project, as well as the latest exploration developments at the project. The Hurricane Project is located approximately 200km west of Cairns in North Queensland, Australia.


·      4-week extension of deadline to exercise the option to 26 October 2023 allows ECR further time to analyse and review the project.

·      Discussions to date with the vendors have also set an expectation that ECR will propose revised terms and conditions to the option.

·      125 Rock chip results have been received for the first batch of laboratory samples that cover the Tornado, Cyclone and part of the Holmes vein systems.

·      Best results include a gold equivalent of 31.3 g/t Au and 30.13 g/t Au (Holmes). 28 of the results have gold values greater than 2 g/t Au. All samples from outcrop.

·      The strategic critical mineral, Stibnite (Antimony Sulphide) has been visible in samples taken from the Holmes veins.

ECR Managing Director Nick Tulloch commented: "The Hurricane Project has been a key part of ECR's strategic planning over the past year.  The Hodgkinson Province in which is it located hosts several goldfields which together have produced more than 45 tonnes of gold from alluvial workings and mines.  With that pedigree, the costs of purchase and development also represent a significant commitment for us and, with Mike Whitlow and I still only a few weeks into our new roles, we requested and were granted further time by the vendors both to fully assess the project area and also to ensure the commercial terms reflect the value of the opportunity. The previous rock chip sampling data from the Bannister group provides some encouraging reference points and the antimony readings and chip samples obtained last month from our limited time in the field are most certainly of interest to the Board and the geology team. We look forward to the rest of the sample results."

An Overview of the location of the rock chip sample and vein systems can be found below:

Figure One:

A map of a hurricane Description automatically generated


On 27 October 2022, ECR announced that it had been granted an option to acquire the entire issued share capital of Placer Gold Pty Limited ("Placer Gold") (the "Option"), the beneficial holder of three granted mining tenements (EPM 27518, EPM 25855 and EPM 19437) located in NE Queensland, together known as the Hurricane project ("Hurricane Project" or "Hurricane").

As drafted, if the Option is exercised, the purchase price is made up of cash and share payments, in part based on certain milestones being reached as well as a future royalty.  Full details are set out in the announcement of 27 October 2022.  The deadline for ECR to exercise the Option was 30 September 2023 but, through negotiations with the vendors, the Company has secured a four week extension to 26 October 2023.

During this time it is the Board's intention to thoroughly analyse the merits of the Hurricane Project against the costs of purchase and development to assess the value to the Company and its shareholders.  As explained below, work is already underway in this respect. Discussions to date with the vendors have also set an expectation that ECR will propose revised terms and conditions to the Option.


Further to the Company's announcement on 21 September 2023, the ECR technical team has been conducting an infield technical survey of the Hurricane project tenements to establish the prospectivity of gold and antimony mineralisation. The mineralised vein systems currently established at Hurricane are known as the Holmes, Tornado, Cyclone, Pedersons, Bouncer, Typhoon and the Hurricane North and South.

During the month of August 2023, outcrop mapping and rock chip sampling was completed as part of the due diligence process. The objective was to confirm previous results from historic rock chip sampling and to map the extent of outcrop. To date, ECR has received the following information and data for the Tornado, Cyclone and part of the Holmes veins. The position of the veins in relation to each other are shown in Figure One above.


The Holmes vein is the dominant vein system at the Project. Not only is gold present within the vein, Antimony (present as Stibnite) is visible and has been seen numerous times in outcrop. The Holmes vein consists of at least two main quartz stockwork zones up to 10m wide and is bounded on the western edge by a shear zone up to 1m in width and can be traced along strike for at least 300m. The best Antimony values are obtained close to this shear. To date, ECR has only received the results for a limited number of surface outcrops sampled, with these situated adjacent to and along strike of the shear zone. Best results include 8.19 g/t Au and 7.67 g/t Au and Antimony values up to 29% (290000 ppm Sb).

A gold equivalent value has been calculated by converting the present price of Antimony to the equivalent value in g/t Au. The estimated equivalent value being 3 g/t Au for every 1% Sb (Antimony), and this calculation is similar to the current formulae used by other Australian producers of Gold and Antimony. This would convert the best Antimony results to 31.3 g/t Au and 30.13 g/t Au Eq.

The importance of Antimony is well documented. As one of the listed critical metals, there are limited current sources of Antimony in the western world.


Previous rock chip sampling by the Bannister Group Pty Ltd. included results up to 17.6 g/t Au. The eastern end of the outcrop also previously returned the best results up to 6.88 g/t Au. ECR geologists re-sampled these zones and have verified the eastern end of the Tornado vein to contain the best values with best results to include 6.95 g/t Au and 5.05 g/t Au


The Cyclone vein can be traced in outcrop along the surface for a distance of approximately 500m in strike. The southern end of the outcrop is at its widest point of around 4 metres in width while the northern end thins out to less than 1 metre in width. Sampling work has recovered the best results from a section of the northern outcrop where rock chips taken across the width have returned 0.3m @ 4.65 g/t Au and 0.3m @ 3.93 g/t Au. ECR is awaiting further results from the southern and widest part of the vein.


The Board will continue to evaluate the prospectivity of the project and report these findings as more information is received. The Hurricane results are consistent with the positive visual references noted by the team on the ground and both the field team and the Board believe that this part of Queensland is highly prospective. Further updates will be provided in due course as required.


This announcement has been reviewed by Adam Jones, Technical Director of Exploration at ECR Minerals plc. Adam Jones is a professional geologist and is a Member of the Australian Institute of Geoscientists (MAIG). He is a qualified person as that term is defined by the AIM Note for Mining, Oil and Gas Companies.

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