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Belararox Ltd (ASX: BRX) (Belararox or the Company) is an advanced mineral explorer focused on high-value clean energy metals, and has identified potential LCT mineralisation at the Company’s Bullabulling 100% owned project. Additionally, the project is considered highly prospective for gold.
Key Highlights
- Soil sampling results from Belararox’s Bullabulling Project have highlighted strong lithium anomalies up to 324ppm Li.
- Two of the largest coherent lithium soil anomalies (>80ppm Li) can each be traced over 500m within a highly prospective > 3km long structural corridor with anomalous Li values.
- The lithium soil anomalies are associated with elevated caesium (Cs) and tantalum (Ta) confirming LCT pegmatite type targets within mafic metamorphic rocks adjacent to the Bali Monzogranite.
- Additionally, several soil gold anomalies (>20ppb Au) have been identified. The most significant anomaly returned assay values up to 87.6ppb Au and is traceable over 500m; the anomaly is associated with mafic basalts and amphibolites in a similar structural setting to the adjacent Bullabulling Goldfield.
Future work
- Planning of follow-up infill soil sampling and detailed geological mapping is underway to better define the anomalies before drill testing.
Managing Director, Arvind Misra, commented:
The soil sampling programme was very effective in better defining the most prospective areas for lithium and gold mineralisation at Bullabulling. With increased prospectivity and confidence, additional detailed geological mapping and ground truthing will commence shortly with the aim of refining the drill ready targets.
Bullabulling Project
Belararox holds the Bullabulling Project which is comprised of 26 wholly owned tenements covering an area of approx. 50 km2 to the west of Coolgardie in the Eastern Goldfields of Western Australia. The company is pleased to announce the results of an extensive soil sampling program comprising 1581 soil samples collected during July and August 2023.
The soil sampling program was designed as a follow-up to a first pass reconnaissance mapping and rock chip sampling program, where rock chip assay results from mapped pegmatites returned elevated lithium (Li) and rubidium (Rb) values (refer to BRX ASX announcement from the 26th June 2023). Soil samples were taken on a nominal 125m x 125m grid spacing across highly prospective areas for lithium and gold mineralisation and have revealed several strong lithium and gold anomalies (Figures 1, 2 and 3).
Figure 1. Belararox’s Bullabulling project. White dots show the location of the 1581 soil samples collected, red dots represent assay values of>80ppm Li and orange dots represent assay values >20ppb Au. The red outline highlights the most prospective area for lithium and gold mineralisation (extents of Figure 2 and 3).
Lithium
During a recent geological reconnaissance campaign several pegmatites have been identified with anomalous Li and Rb. This suggests the broader Bullabulling Project area has the potential to host a significant LCT pegmatite district (refer to BRX ASX announcement from the 26th June 2023).
The encouraging results from field mapping and rock chip sampling have now been confirmed with a follow- up soil sampling program across the most prospective areas. Strong lithium anomalies up to 324 ppm Li are associated with elevated caesium (Cs) and tantalum (Ta) confirming LCT pegmatite type targets within favourable mafic metamorphic rocks adjacent to the Bali Monzogranite. Furthermore, the two largest coherent lithium soil anomalies can be traced over 500m each and are adjacent to outcropping pegmatites identified during previous geological mapping and rock chip sampling, within a highly prospective structural corridor that extends over 3kms (Figure 2).
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BRX:AU
Unconformity Uranium Drill Targets Identified from 2024 Geophysical Data
Key Highlights
- Final data received and interpretation completed for the ground electromagnetic geophysical surveys from the winter 2024 program at the Marshall and North Millennium projects.
- Several conductive anomalies identified at Marshall, located above and below the unconformity, consistent with regional exploration model.
- Stacked anomalies concurrently with multigenerational geophysical data provides a base to assess the exploration targets and refine drillhole targets.
- The projects are located 15 kilometres from the majority Cameco owned Millennium deposit, and just 40km from the world class McArthur River mine.
- Basin remains funded for the next round of field exploration.
The ground electromagnetic successfully identified 3 main targets which confirms the geological and exploration model. Of note is Target 1 (Figure 1), where modelled EM plates below the unconformity align with a sandstone ZTEM anomaly, which is interpreted to be alteration within sandstone. The identification of these targets is encouraging and consistent with regional trends in the southeastern Athabasca and provides increased confidence in drill hole targeting. Basin is currently reviewing options and priorities of how to progress exploration of these confirmed targets.
Basin’s Managing Director, Pete Moorhouse, commented:
“Conducting ground geophysical surveys on Marshall and North Millennium was a milestone in advancing these underexplored projects in Basin’s uranium portfolio. The form of these anomalies is highly encouraging given the proximity to some of the world’s largest uranium deposits.”
Key results
Following the encouraging conductive anomalism highlighted by the 2023 3D inversion of two historic airborne Electromagnetics (Z‐Tipper Axis) (“ZTEM”) datasets partially covering the current North Millennium and Marshall projects3,4, Basin contracted Discovery International Geophysics5 to carry out ground Stepwise Moving Loop Transient Electromagnetic (‘Ground EM’) surveys on areas of immediate interest within the Projects.
Figure 1 Three main anomalies shown from 2024 ground EM, in plan view (top diagrams) and cross- section looking northeast (bottom diagram). The ground EM anomalies are displayed with the modelled plates against the historical ZTEM data.
The 2024 Ground EM survey data returned six conductive anomaly picks producing three main target areas (Figure 1). The anomalies correlate strongly with the southern edge of the circular ZTEM conductive anomaly at Marshall and the interpreted northern edge of the circular anomaly identified in the historic data. A weaker EM pick was also interpreted centred between the two prominent ZTEM conductivity anomalies.
Three-dimensional modelling using Maxwell produced six electromagnetic conductive plates within the basement stratigraphy, all below the unconformity (Figure 1). The two southeastern plates are clearly aligning with a conductive sandstone ZTEM anomaly identified from the historic data, which is above the interpreted unconformity. This is interpreted as potential basal sandstone alteration proximal to the EM anomalies and constitutes a high-priority drill target area, refer figure 2.
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Airborne EM over Multiple Targets on Ti-Tree Project
- Augustus Minerals has contracted UTS Geophysics to conduct a VTEM Max survey over several Copper, Cu-Ni-PGE, Zn-Pb-Ag and Uranium targets along the money Intrusion and within proximity of the prospective 85k long Ti-Tree Shear.
- The surveys will cover:
- The Money Intrusion, prospective for Cu-Ni-PGE mineralisation.
- Copper Ridge and Nics Bore over anomalous Copper Drilling results
- The Coo Creek prospect where drilling by Augustus in 2023 identified strongly anomalous Zn-Pb-Ag mineralisation.
- The Munaballya Well North area which shows potential for economic Uranium mineralisation.
- The surveys will help to advance the untapped potential of the Ti-Tree project to host economic mineralisation of multiple commodities.
Andrew Ford, GM Exploration
“The VTEM survey will provide key targeting data over three highly prospective and different prospects with potential for multiple commodities. Whilst the high prospectivity for copper mineralisation has been well documented, the addition of uranium and Broken Hill base metal style mineralisation highlights the quality of the underexplored Ti-Tree project”.
VTEM
UTS Geophysics has been engaged to conduct a helicopter borne VTEM Max survey comprising 646-line km over three separate survey areas. The system is excellent for locating discrete conductive anomalies as well as mapping lateral and vertical variations in resistivity which helps map structure, alteration and rock type. The system also collects magnetic data through a caesium magnetometer. The transmitter/receiver loop is suspended on a cable approximately 40m below the helicopter (Figure 1).
Figure 1 VTEM Max helicopter deployed electromagnetic survey arrangement.
Figure 2 Prospects and VTEM Survey areas.
Money Intrusion
The Money Intrusion, which has proven potential to host Ni-Cu-Co-PGE (platinum group elements), is part of the regional Mundine Well Dolerite Suite, a regionally extensive dolerite (strike length >80km). This extensive mafic intrusion, which is comprised of a variety of lithologies, including gabbro in the core, olivine dolerite on the chilled lower contact or keel and fine-grained dolerite on the outer edges. Mapping, aeromagnetics and multi-spectral imagery show that the Money Intrusion within the Ti-Tree Project covers a strike length greater than 16km, reaching widths >600m in the north of E09/23241.
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Latest Kameelburg Assays Up To 10.38% Nb2o5 and 9.89% TREO
Highlights
- A total of 74 highly prospective rock samples recently collected from various beforsite and mafic dykes
- Most notable assays reveal up to 10.38% Nb2O5 and 9.89% TREO
- Large scale geological mapping of Kameelberg carbonatite is nearing completion
- Track access clearance & preparation for underground water supplies underway for upcoming maiden diamond drilling programme
Results from recently collected seventy-four (74) samples were received and highlighted the REE rich nature of the carbonatite with TREO(+Y) assays ranging from 1.16 to 9.89%, refer to Figure 1 for samples locations and Table 1 for results.
Figure 1: Southern Carbonatite Margin Geological mapping area with rock chip samples
Niobium Results Along Mafic Dykes
In addition to sampling the carbonatite plug, a further four (4) samples were collected across the Nb dyke zone on the southwest flank of the carbonatite. Results for these samples ranged from 5.44% to 10.38% Nb2O5. This provides additional confidence to previous niobium findings (see announcements dated 28 February 2024 and 27 December 2023). Table 2 compiles the Nb results with Figure 2 depicting recent sample locations in relation to the previous Nb2O5 results.
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This article includes content from Aldoro Resources, licensed for the purpose of publishing on Investing News Australia. This article does not constitute financial product advice. It is your responsibility to perform proper due diligence before acting upon any information provided here. Please refer to our full disclaimer here.