Mandilla Gold Project

Anglo Australian – 100%

The Mandilla Gold Project is situated in the northern Widgiemooltha greenstone belt in the western part of the Kalgoorlie geological domain, some 70 kilometres south of Kalgoorlie. The location of the project in relation to Kalgoorlie and other nearby gold projects is set out in Figure 1.

The Project lies on the western margin of a porphyritic granitic intrusion known as the Emu Rocks Granite. The granite intrudes volcanoclastic sedimentary rocks in the project area which form part of the Spargoville Group.Significant NW to WNW-trending structures along the western flank of the project are interpreted from aeromagnetic data to cut through the granitic intrusion and may be important in localising mineralisation at Theia (formerly Mandilla East). A second sub-parallel structure hosts gold mineralisation at Iris (formerly Mandilla South). In this area, a mineralised footprint extending over a strike length of approximately 700m has been identified.

The Mandilla Gold Project is covered by existing Mining Leases which are not subject to any third‐party royalties other than the standard WA Government gold royalty.

Take a 3D tour of our flagship Mandilla Gold Project here

Figure 1 – Mandilla location map.

A map of the Mandilla Gold Project, illustrating key locations and geological features, is shown in Figure 2.

Figure 2: Mandilla local area geology.

On 17 August 2021, the Company reported an updated JORC 2012 Mineral Resource Estimate (MRE) of 19.8Mt at 1.0 g/t Au for 664.6koz of contained gold, encompassing the Mandilla East and Mandilla South deposits. The MRE was prepared by independent consultants Cube Consulting in accordance with the JORC Code (2012 Edition).

The updated MRE represented a significant increase to the maiden JORC compliant (2012 Edition) MRE reported on 27 May 2021 of 15.6Mt at 1.0 g/t Au for 500.4koz of contained gold. The significant update was primarily driven by the receipt of assays from a further 7,700m of drilling.

The MRE was estimated using a 0.39 g/t Au cut-off and is constrained within pit shells using a gold price of AUD$2,500 per ounce (consistent with the maiden MRE).

The MRE is summarised in Table 1 below, with a more detailed breakdown provided in Table 2. A grade and tonnage sensitivity is provided in Table 3.

 

The locations of the optimised pit shells at AUD$2,500 per ounce gold price are set out in plan view in Figure 3 below, along with the drill collar locations defined by reported gram x metre intervals.

Section 1, discussed below, is also annotated on this plan.

 

Figure 3 – Optimised pit shell on local area geology

Section 1, as illustrated in Figure 4 below, shows the Mineral Resource within the optimised pit shell on a section within the main zone of mineralisation at Theia. This includes hole MDRCD377, released to the ASX on 29 July 2021, which returned 64.57m at 3.49g/t Au from 190m, 14.39m at 2.89g/t Au from 169.37m and 13.8m at 0.91g/t Au from 139.7m.

MDRCD377 returned significant zones of mineralisation at depth, which notably included laminated gold enriched veining which is similar to, and potentially represents a deeper zone of, increased enrichment currently thought to be associated with previously-reported holes MDRCD230 (81.45m at 1.63g/t Au from 179.6m) and MDRCD191 (76.5m at 1.21g/t Au from 296m), located 170m and 260m to the south respectively.

The mineralisation in MDRCD377 and the steepening inter-ramp angles (up to 58⁰) in the fresh rock contributed to an increase in the MRE on this section as compared to the maiden MRE.

Figure 4 – Mandilla East cross-section (refer Figure 3 for section location)

It is important to note that mineralisation at Theia remains open in a number of directions, including to the north-west of MDRCD377 beneath the previously developed Mandilla West paleochannels located close to the sediment contact.

A summary of information material to the understanding of the MRE was provided in the ASX Announcement dated 17 August 2021, in compliance with the requirements of ASX Listing Rule 5.8.1.

Mandilla Gold Project Summary

To 30 September 2021, across a number of drilling campaigns, the Company has undertaken a total of 58,928m of RC drilling and 7,676m of diamond drilling at Mandilla. This represents a significant investment in exploration and resource definition drilling and continues to highlight the confidence the Company has in this project.

Drilling is ongoing with a RC, diamond and aircore drilling planned through to the end of 2021 and into early 2022. The Mineral Resource Estimate will be updated accordingly as drilling is completed.