The Conversation (0)
Burley Minerals Limited (ASX: BUR, “Burley” or “the Company”) advises that a heritage protection agreement has been signed with Yindjibarndi Aboriginal Corporation over the Broad Flat Well exploration license area. Heritage surveys are planned for late-April/early-May 2024.
HIGHLIGHTS
- Broad Flat Well
- Heritage Agreement signed with Yindjibarndi Aboriginal Corporation. Heritage survey planned for the second quarter of 2024.
- Additional Channel Iron Deposit (CID) areas identified within the Broad Flat Well tenement.
- Cane Bore
- The Cane Bore Conservation Management Plan was submitted and is now under review by the Department of Biodiversity, Conservation and Attractions.
- Flora and fauna surveys were completed in 2023.
- More than 30km of potential remnant Channel Iron Deposits (CID) identified.
Burley also advises that the Conservation Management Plan (CMP) developed for the Cane Bore (CID) Iron Project is now under review by the Department of Biodiversity, Conservation and Attractions (DBCA). Once the CMP is reviewed and approved, the DBCA will make its recommendations to the Conservation and Parks Commission, who will ratify the CMP and refer to the Minister of the Environment to provide Consent for exploration. The Ministerial Consent will be provided to the Department of Energy, Mines, Industrial Regulation and Safety (DEMIRS) for approval of the Exploration License application. Drilling permits, as Programmes of Work (PoW), may be pursued from DEMIRS once the exploration license is granted. The PoW will be subject to the recommendations of the DBCA and conditions of the CMP.
Burley Minerals Managing Director and CEO, Stewart McCallion commented:
“The signing of the Heritage Protection Agreement with the Yindjibarndi Aboriginal Corporation is an important step towards exploring the Broad Flat Well tenement. Burley has applied for drilling permits at Broad Flat Well, and now we will be working with the Yindjibarndi on implementing heritage surveys.
“The review of the Cane Bore Conservation Management Plan by the DBCA is also a significant milestone and we are confident with veracity and completeness of the document. Once the Conversation Management Plan is approved, we anticipate a clear path through to the grant of the exploration license by DEMIRS. We will submit our plans for drilling thereafter. In the meantime, we intend to complete additional data collection and any site work possible. There are extensive, mesa- forms throughout the Cane Bore exploration area as seen in the historic sampling. These Channel Iron Deposits are high-lying, and readily accessible; we intend to commence RC drilling when statutory approvals are received.
“The development of the Conservation Management Plan, and execution of agreements with aboriginal corporations underscores Burley’s commitment to mitigating environmental impacts of our work and ensuring protection of aboriginal heritage.”
BROAD FLAT WELL – 100% INTEREST
Locations and Setting
The Broad Flat Well exploration license, E47/4580, is located approximately 115 km from Karratha and is accessible by the sealed Roebourne - Wittenoom Road, as illustrated in Figure 1. Broad Flat Well is also only 260kms from Port Headland.
Figure 1: Broad Flat Well Location Plan showing only 115km by sealed highway from Dampier.
Rock Chip Sampling and Geology
A mapping and rock chip sampling programme was completed in 20231. Thirty-six (36) rock chip samples were collected from the tops of mesa-form hills which are interpreted as remnant mid- Miocene Channel Iron Deposits (CID) related to the Fortescue River palaeo-drainage system. An earlier sampling programme was completed by API Management between 2006 and 2008.
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IND Establishes HPQ Exploration Target at Pippingarra Project
Highlights
- IND’s recent RC drilling program informs a Maiden High Purity Quartz (HPQ) Exploration Target at the Pippingarra Quarry Project.
- Drilling is planned for the exploration target area and to test several quartz occurrences mapped across the wider Mining Lease area.
- IND plans to commence work on a HPQ Mineral Resource Estimate in parallel with metallurgical testwork being conducted by potential offtake partners and third-party mineral processing laboratories.
- A 300kg Pippingarra quartz sample crushed from existing quarry stockpiles sent to China in late 2023 produced a >GG.GG4% SiO2 end product following standard HPQ processing1.
- A further 24 tonne bulk sample comprising crushed quartz rock has been shipped to China for processing, metallurgical test work, and assessment by potential offtake partners.
Figure 1: IND Pippingarra Quarry Project location and infrastructure.
In October 2023, IND announced the agreement of binding terms2 with North West Quarries Pty Ltd (NWQ) for an exclusive option to acquire an 80% interest in the non-construction material mineral rights.
Jeff Sweet, Managing Director of Industrial Minerals, commented:
“Following on from one of our potential offtake partners in China achieving a processed High Purity Ǫuartz product grading >SS.SS4% SiO2, we are extremely positive about the potential to supply Pippingarra quartz into high-end quartz markets.
“The Pippingarra Exploration Target is limited to an area where IND completed RC drilling in late 2023, to the east of the existing open pit. There are several quartz outcrops mapped across the broader Mining Lease area that will also be drilled with the intention to include these untested HPǪ target opportunities in the upcoming Mineral Resource Estimate (MRE) for Pippingarra.
“Our motivation to commence work towards a MRE is to leverage our unique position of having an active mining operation at the Pippingarra Ǫuarry. We believe this will give potential offtake partners the confidence to enter into offtake agreements with IND, knowing that we can rapidly advance to be mine ready and have a suitable mine life to support long term supply needs.”
Maiden High Purity Quartz Exploration Target
Table 1: Pippingarra HPQ Exploration Target range.
The potential quantity and grade of the Exploration Target is conceptual in nature, and there has been insufficient exploration to estimate a Mineral Resource and it is uncertain if further exploration will result in the estimation of a Mineral Resource. The Exploration Target has been prepared and reported in accordance with the 2012 edition of the JORC Code.
The Exploration Target is based upon the Reverse Circulation (RC) Drilling program completed by IND in December 2023. Drilling was conducted on a 50m x 50m spacing. From this, holes INRC003 – INRC009 recorded thicknesses of white crystalline quartz over widths from 12m to 20m as reported in the Table 2 below.
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Positive Findings from Newmont Ti Benchmarking Study
Highlights
- Titanium industry expert TZMI completes titanium benchmarking study on the Salazar Critical Minerals Project
- Study identifies Newmont as a standout from its peers in terms of Ti and TREO in-situ grade
- Benchmarking study is highly encouraging and supports validating flowsheet for production of titanium minerals from Salazar
Salazar Critical Minerals Project Ti Benchmarking Study
Following successful characterisation testwork of Ti mineralisation at the Newmont Deposit area1, West Cobar Metals engaged international titanium expert TZ Minerals International Pty Ltd (TZMI) to complete a benchmarking study of the Newmont resource.
TZMI is a global, independent consulting and publishing company which specialises in all aspects of the mineral sands, titanium dioxide and coatings industries2.
The Newmont resource3 and characterisation data was used by TZMI to benchmark the Salazar project deposit against several existing operations and potential new projects under development using publicly available information and TZMI estimates. The outcomes of the benchmarking are shown in Figure 1.
The benchmarking study shows that the Ti contained within the Newmont deposit has promising potential for economic extraction and that the Newmont resource is positioned favourably amongst peer resources in respect of both Ti and rare earth element content.
Figure 1 : Salazar Project (Newmont deposit) benchmarking
The relative positioning of the Newmont Inferred Ti and rare earth element resource is very positive for West Cobar, with relatively high insitu TiO2 grades and TREO grades compared to its peers. The Ti levels of the resource (on a whole rock basis) compare very favourably to both developing and operating projects.
TZMI concluded that “In terms of final ilmenite product quality, the composition of the magnetic fraction (comprising predominantly ilmenite) shows some promise with TiO₂ levels as high as 48.5%. This suggests the ilmenite is likely present as primary ilmenite … the CaO, MgO, V₂O₅, Cr₂O₃ in the magnetic fraction all seem relatively low which is positive and likely to be within the accepted levels for ilmenite used in sulfate pigment production.”
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High Grade Copper Rock Chips to 18% on New Targets at Ti-Tree
- Two new prospects, Tiberius and Claudius, have returned high-grade copper and significant silver assays in rock chips from recent field work
- High grade assays up to 17.8% Cu and 282g/t Ag have been discovered on the Tiberius zone, currently 3m wide and extending for over 200m along strike.
- Claudius, 11km south of Tiberius, comprised of several parallel zones over a 100m by 300m area, returned grades up to 6.6% Cu and 86g/t Ag.
- The discovery of these prospects, 30km northwest from Copper Ridge which contain historic workings not marked on GSWA maps, highlights the significant prospectivity of the Gascoyne region.
- Further field work is being planned to determine the extent of these new discoveries.
Andrew Ford, GM Exploration
“These results highlight the potential of this underexplored area to host as yet undiscovered mineralisation. Less than 5% of the 3,600 sq km area of the Ti-Tree Project has had any previous exploration, and to discover unrecorded historic mining areas is very exciting. These results are a credit the Augustus geological team.”
Figure 1 Location of the Tiberius and Claudius prospects
Tiberius
Reconnaissance field work conducted on the Ti Tree Project’s northwestern tenement has discovered high grade copper and silver mineralisation (Figure 3) in two areas. Tiberius, the northern target comprises a quartz-sulphide vein system up to 3m wide and outcrops for over 200m (Figure 5).
A shallow shaft has been dug on the vein system (Figure 2). Another vein set was identified 600m along strike east-northeast of the main vein increasing the potential size of the target. The high grade veins contain both oxidized copper, high silver grades, lead sulphide and anomalous gold (Table 1).
Claudius
The Claudius prospect is located 10km to the southwest of Tiberius, comprised of quartz veined brecciated and silicified granite with mineralised veins mapped over a 100m x 300m area. The main area of outcropping mineralisation has been trenched by prospectors and rock chip sampling returned strong copper mineralisation in an iron rich siliceous vein. Silver was consistently elevated (up to 86g/t) with associated gold anomalism to 0.68g/t (Table 1, Figures 4 and 6).
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