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Tambourah
Cheela
Bryah
Achilles
Julimar Nth
Russian Jack
Haystack Well
Shaw River
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Projects

Tambourah Metals Ltd is exploring advanced gold and lithium in West Australia, recognising their importance in shaping a sustainable future. The company's focus on its flagship Tambourah Gold Project in the Pilbara region highlights its commitment to advancing gold exploration. Additionally, Tambourah MetalsLtd acknowledges the rising demand for lithium, particularly in clean energy solutions. Since listing the Company has extended the portfolio to include additional critical mineral projects in the Pilbara and has completed an earn-in and exploration agreement with major Chilean lithium developer Sociedad Quimica y Minera de Chile S.A. (SQM) at Julimar Nth. The company is actively engaged in seeking Joint Ventures to rapidly develop their extensive portfolio of Advanced and grass roots projects.

Tambourah

Tambourah Project Map

The historic Tambourah Goldfield is located 85km southwest of Marble Bar and comprises a series of workings developed on north-south oriented quartz lodes over 3km of strike. The Tambourah Gold Project is a compelling exploration target with the Company focussing on extending the areas of known mineralisation both along strike and below the historical shallow workings which were historically mined, with production of 5,445t ore for 148.0kg of gold, equating to a 27.35 g/t head grade.

Geological mapping by Tambourah has identified sulphide and gold mineralisation associated with the contact of a granitoid intrusion over 500m long, adjacent to the World’s Fair prospect. Multiple electromagnetic (EM) conductors, representing potential sulphide mineralisation coincident with this contact are one of the Company’s primary exploration targets.

Tambourah completed a reverse circulation (RC) and diamond (DD) drilling program in September 2024 with highlights including:
Tambourah King 2024:

  • 5m at 2.02g/t Au from 53m, including 1m at 3.35g/t Au from 54m (TBRC042)
  • 6m at 2.05g/t Au from 18m, including 1m at4.61g/t Au from 23m (TBRC043)
  • 1m at 5.89g/t Au from 23m (TBRC044)

These recent results confirmed Tambourah’s 2023 reverse circulation (RC) drilling program which intersected shallow, high-grade gold at the Tambourah King Prospect including:
Tambourah King 2023:

  • 2m at 18g/t Au from 55m, including 1m at 20.2g/t Au from 55m (TBRC026)
  • 5m at 6.1g/t Au from 69m, including 1m at 28g/t Au from 70m (TBRC026)

Cheela

TMI magnetics and Cheela Gold Prospect

Cheela is located 70km northwest of Paraburdoo and adjacent to the Paraburdoo-Nanutarra Road. Cheela is situated on the crustal scale Nanjilgardy Fault, a major northwest trending fault system that is believed to be the conduit for mineralisation at the +1Moz Au Paulsens and Mt Olympus gold deposits and the 22,000 oz Electric Dingo deposit located 5km southeast along strike from the Cheela Prospect. Mineralisation is hosted in a weathered sequence comprising interlayered shale, siltstone and sandstone with some associated quartz veining.

Prior exploration conducted by Newcrest and Northern Star included high grade gold mineralisation including intersections:

  • 16m at 4.75g/t Au from 88m, including 8m at 8.59g/t Au from 88m (ARB1222)
  • 11m at 4.17g/t Au from 34m, including 4m at 8.42g/t Au from 36m (ACHRC003)

Aircore drilling conducted by the Company in Q2 2024 confirmed a persistent shallow gold anomaly associated with the significant historic drill intercepts with the best results including:

  • 5m at 1.1g/t Au from 33m including 1m at 2.85g/t Au from 33m (CHAC003)

Bryah Basin

Bryah tenement locations on geology, showing gold and copper-gold deposits

The Bryah Copper Gold Project includes more than 300 km2 of gold and copper exploration targets within the Bryah Basin. It is one of Western Australia’s premier gold and copper provinces. The Bryah Basin is host to the Degrussa, Monty and Horseshoe Lights VHMS (volcanic-hosted massive copper-gold deposits) and numerous Proterozoic gold deposits including Fortnum, Horseshoe and Peak Hill.

A review of historic open file records identified significant gold targets within Tambourah’s tenements E52/4321 (Baxter South) and E52/4332 (Beatty Park South). During the quarter Beaty Park South (E52/4332) was granted. Historical drill intercepts from the Bryah Project include:

Beatty Park South:

  • 5m at 22.92 g/t Au from 44m (BPR16)

Baxters South:

  • 8m at 5.05g/t Aufrom 67m (PHRC0977)

Achilles

Achilles project significant results on magnetics

The Achilles project is located within the northeastern Goldfields, 235km north of Laverton, Western Australia. The project is 10km north and along strike from of the Olympia nickel deposit of Cannon Resources (573 kt @ 1.63% Ni & 1.19% Cu & 2.34 g/t Pt+Pd) and covers 20 km of prospective, fertile ultramafic geology.

Achilles is prospective for hosting Ni-Cu-PGE-Au in ultramafic rocks in a similar setting to the Olympia deposit to the south. An airborne EM (AEM) survey over extensive, north northwest trending magnetic highs, representing high Mg ultramafic units, identified multiple late time conductors at Achilles that have never been drill tested.

Historical drilling within the project intersected gold mineralisation associated with N and NW trending structures, structural intersections and lithological contacts, including:

  • 4m at 1.36g/t Au from 260m (CBRC005)
  • 2m at 1.00g/t Au from 156m (KRC485)
  • 2m at 1.21g/t Au from 144m (KRC424)

Julimar Nth

The Julimar Nth project is located 120km north of Perth. Julimar Nth is prospective for hosting Ni-Cu-PGE Gonneville styles of mineralisation within ultramafic rocks of the Julimar Ultramafic Complex.

Tambourah and the Chilean lithium producer Sociedad Quimica y Minera de Chile S.A. (SQM) (NYSE: SQM) have recently entered into an agreement providing SQM with the rights to earn-in across six of Tambourah’s Julimar Nth projects in Western Australia.

SQM has been granted the right to earn an initial 50% interest (and can earn a maximum of 70%) in all mineral rights at Julimar Nth project by sole funding a minimum of A$1.5m and up to $3m of exploration and development activities.

Julimar Nth tenements on regional geology
Julimar and WH Sth tenements on magnetics

Russian Jack

The Russian Jack Project is located 15km from Nullagine and hosts pegmatites with elevated lithium indicator geochemistry and significant pegmatite swarms within WAMEX and WAROX datasets. Russian Jack covers an area of approx. 600km2 with up to 320km2 potentially hosting L-C-T (Lithium Caesium Tantalum) pegmatites. There are historical workings for tin and tantalum at several locations adjoining the project.

In collaboration with CSIRO the Company is applying “Machine Learning” to highlight priority LCT pegmatite targets in the area using Tambourah’s remotely sensed spectral and historic data, including radiometric, magnetic and gravity datasets. Tambourah will ground truth priority targets for drilling assessment. This research will provide a pathway to access large areas with little or no exploration to date.

Critical minerals project locations overlaying regional bedrock geology

Haystack Well

The Haystack Well area is located 50km south of Nullagine. Haystack Well sampling expanded the search area over abundant pegmatite exposures. HyVista Corporation has completed its high-resolution hyperspectral data mapping of the Haystack Well. The data is currently being processed.

CSIRO is preparing the draft report of the collaboration with Tambourah titled “Leveraging Supervised Machine Learning to Enhance Critical Mineral Discovery in the Pilbara” which is expected to include several “prospectivity maps”. This data will be utilised to conduct targeted mapping and sampling for spodumene bearing pegmatites in the area.

Haystack Well has abundant pegmatite outcrops and sampling by the Company returned a maximum of 1.10% Li2O (11,045 ppm). Pegmatite samples reported up to 0.45% Li2O (4,478 ppm) with elevated Rb, Sn and Ta.

  • 15 samples reported Li2O of greater than 500ppm to a maximum of 11045ppm (1.1% Li2O) from a biotite alteration margin adjacent to the pegmatite.
  • Pegmatite samples reported up to 4478ppm Li2O with elevated Rb, Sn and Ta.
  • Selected samples will now be submitted to CSIRO for analysis using the Hylogger spectral scanner to identify pegmatite mineralogy and pegmatite fertility.
Haystack Well Tenure

Shaw River & Coondina

The Shaw River and Coondina projects are located 180km to 200km southeast of Port Hedland and include extensive late granitoids classified as “tin granites”. Both projects are the sites of extensive historic alluvial tin mining, however there is no record of exploration targeting the tin-bearing pegmatites that are the source of alluvial tin.

Rock sampling conducted by Tambourah returned elevated values of tin at Shaw River and follow up mapping and sampling is continuing to identify tin-bearing pegmatites for drill testing. The Shaw River was a historical alluvial tin mining operation up to 1975. Tambourah is conducting systematic sampling of the extensive residual tailings dumps to evaluate their potential for Tin, Tantalum and REE.

The Company has obtained HyMap spectrometer data over the Shaw River Project to assist with targeting LCT pegmatites for follow-up sampling and drilling.

  • Drone mapping has identified extensions and additional LCT-pegmatite targets for immediate follow up.
Shaw River pegmatite structures and targets identified from drone mapping.
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