OUR PROJECTS

Mineral Resources

The company has a total resource base within its Australian Copper-Zinc Projects of 24.7 Mt grading 1.3% Cu, 5.8% Zn, 0.8% Pb and 28.6 g/t Ag. The Sulphur Springs Project comprising the Sulphur Springs and Kangaroo Caves deposits totals 17.4 Mt grading 1.0% Cu, 5.8% Zn, 0.3% Pb and 21.8 g/t Ag. The Woodlawn Project comprising the Woodlawn deposits total 7.3Mt grading 1.8% Cu, 5.7% Zn, 2.0% Pb and 44.9 g/t Ag.

Mineral Resources

 

  Location    JORC Classification  Tonnes  
  (‘000t)  
  Cu %    Zn %    Pb %    Ag g/t    Au g/t  
  Sulphur Springs  Measured
Indicated12,3981.25.60.321.80.1
Inferred1,4010.26.40.538.40.2
Total  13,7981.15.70.323.50.2
  Kangaroo Caves  Measured
Indicated2,3000.95.70.313.60.0
Inferred1,3000.56.50.418.00.0
Total  3,6000.86.00.315.00.0
  Woodlawn  Measured1042.14.31.91001.4
Indicated4,7761.85.01.842.20.7
Inferred2,4611.86.92.547.80.3
Total7,3411.85.72.044.90.6
  DVP 100%  Measured1042.14.31.91001.4
Indicated19,4741.35.50.726.70.3
Inferred5,1620.76.61.138.20.2
  Total  24,7391.35.80.828.60.3
Table 1: Mineral Resources Statement

Note:

  • The Sulphur Springs Mineral Resource Estimates (MRE) is reported at a A$80/t Net Smelter Return (NSR) cut-off, and have been extracted from the Company’s ASX announcements “Sulphur Springs Resource Update” issued 2 June 2023
  • The Kangaroo Caves MRE is reported at 0.4% Cu or 2% Zn cut-off and have been extracted from the Company’s ASX announcements “Kangaroo Caves Resource Update” issued 22 September 2015.
  • The Woodlawn MRE is reported at a A$100/t NSR cut-off, with A$140/t NSR cut-off for remnant lenses, and have been extracted from the Company’s ASX announcements “Woodlawn Updated Mineral Resource Estimate” issued 2 August 2022.
  • Tonnages are dry metric tonnes. Minor discrepancies may occur due to rounding.
OUR PROJECTS

Ore Reserves

The Ore Reserve Statement for the Pilbara Copper-Zinc Project at 30 June 2019 has been adjusted to reflect the changes to the Sulphur Springs Ore Reserve due to the updated geological resource model for the deposit and the revised mine plan in the “Sulphur Springs DFS Results and Reserve Upgrade” announcement released to the ASX on 10 October 2018.

Ore Reserves
Sulphur SpringsOre Reserve EstimateOre (Mt)Cu Grade (%)Cu Metal (kt)Pb Grade (%)Pb Metal (%)Zn Grade (%)Zn Metal (kt)Ag Grade (g/t)Ag Metal (koz)Au Metal (koz)Au Metal (koz)
 

Underground

Proven  Reserve
Probable Reserve8.81.11000.222.05.447920.65,8180.138.0
Total Reserve8.81.12.712.122.05.447920.65,8180.138.0
Table 2: Ore Reserves Statement

Note:

  • Calculations have been rounded to the nearest 100,000t of ore, 0.1% Zn/Pb/Cu grade, 0.1g/t Ag/Au grade, 1,000 t of Zn/Pb/Cu metal, and 1,000 oz. of Ag/Au metal.

Competency Statement

The information contained relating to the Woodlawn Underground Mineral Resources is based on information compiled or reviewed by Ms. Jillian Irvin of Entech Pty Ltd who is a Member of the Australian Institute of Geoscientists. Ms. Irvin consents to the inclusion.  Ms. Irvin has sufficient experience relevant to the style of mineralisation, type of deposit under consideration and to the activity being undertaking to qualify as Competent Persons as defined in the 2012 – Refer Edition of the “Australasian Code for Reporting of Mineral Resources”. The Company confirms that it is not aware of any further new information or data that materially affects the information included in the original market announcement entitled ‘Woodlawn Updated Mineral Resource Estimate’ issued 2 August 2022. Ms. Irvin consents to the inclusion in the report of the results reported here and the form and context in which it appears.

The information contained relating to the Sulphur Springs Mineral Resources is based on information compiled or reviewed by Ms. Jillian Irvin of Entech Pty Ltd who is a Member of the Australian Institute of Geoscientists. Ms. Irvin has sufficient experience relevant to the style of mineralisation, type of deposit under consideration and to the activity being undertaking to qualify as Competent Persons as defined in the 2012 – Refer Edition of the “Australasian Code for Reporting of Mineral Resources”. The Company confirms that it is not aware of any further new information or data that materially affects the information included in the original market announcement entitled ‘Sulphur Springs Updated Mineral Resource Estimate’ issued 2 June 2023. Ms. Irvin consents to the inclusion in the report of the results reported here and the form and context in which it appears.

The information contained relating to the Kangaroo Caves mineral resources were prepared by Mr. David Milton, Director of Mil Min Pty Ltd. Mr. Milton is a member of the Australian Institute of Geoscientists and has sufficient experience of relevance to the styles of mineralisation and the types of deposits under consideration, and activities undertaken, to qualify as a Competent Person as defined in the 2012 Edition of the Joint Ore reserves Committee (JORC) Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves. Mr. Milton consents to the inclusion in the report of the results reported here and the form and context in which it appears. The Company confirms that it is not aware of any further new information or data that materially affects the information included in the original market announcement entitled ‘Kangaroo Caves Resource Upgrade” issued 22 September 2015. Mr. Milton consents to the inclusion in the report of the results reported here and the form and context in which it appears.

The information contained relating to the Metallurgical Results at the Sulphur Springs Project is based on information complied or reviewed by Mr. Kurt Tiedemann who is an employee of the Company.  Mr. Tiedemann is a member of the Australasian Institute of Mining and Metallurgy and Mr. Tiedemann n has sufficient experience with the style of mineralisation and the type of deposit under consideration. Mr. Tiedemann consents to the inclusion in the report of the results reported here and the form and context in which it appears.

The information contained relating to the Sulphur Springs Reserves is based on information compiled or reviewed by Mr. Matthew Keenan of Entech Pty Ltd who is a Member of the Australasian Institute of Mining and Metallurgy. Mr. Keenan consents to the inclusion.  Mr. Keenan has sufficient experience relevant to the style of mineralisation, type of deposit under consideration and to the activity being undertaking to qualify as Competent Persons as defined in the 2012 – Refer Edition of the “Australasian Code for Reporting of Mineral Resources”. Mr. Keenan consents to the inclusion in this announcement of the matters based on this information in the form and context in which it appears. The Company confirms that it is not aware of any further new information or data that materially affects the information included in the original market announcement entitled ‘Sulphur Springs Updated Mineral Resource Estimate’ issued 2 June 2023. Mr. Keenan consents to the inclusion in the report of the results reported here and the form and context in which it appears.

The information contained relating to Exploration Results is based on information compiled or reviewed by Mr. Luke Gibson who is an employee of the Company.  Mr. Gibson is a member of the Australian Institute of Geoscientists and Mr. Gibson has sufficient experience with the style of mineralisation and the type of deposit under consideration. Mr. Gibson consents to the inclusion in the report of the results reported here and the form and context in which it appears.

No New Information or Data

This announcement contains references to exploration results and Mineral Resources and Ore Reserve estimates, which have been cross referenced to previous market announcements. The Company confirms that it is not aware of any new information or data that materially affects the information included in the relevant market announcements and that all material assumptions and technical parameters underpinning those estimates in the relevant market announcements continue to apply and have not materially changed.