Caledonia Mining Corporation Plc has announced its first mineral resource estimate for the 100%-owned Motapa property in Zimbabwe. The estimate records 379,000 ounces of gold in the measured and indicated categories and a further 131,000 ounces classified as inferred.
#Motapa resource estimate
The measured and indicated estimate comprises 7.8 million tonnes grading 1.51 g/t gold, using a cut-off grade of 0.5 g/t. The inferred estimate covers 2.7 million tonnes at 1.48 g/t, also using a cut-off grade of 0.5 g/t.
The figures have been prepared under Canada's National Instrument 43-101 on a 100% project basis, with the resources reported as 100% attributable to Caledonia.
#Exploration and acquisition costs
Caledonia reports an exploration spend of $7.084 million and an initial acquisition cost of $8.25 million. The company states that this produces an exploration discovery and acquisition cost of $40.45 per measured and indicated resource ounce.
Caledonia acquired Motapa in November 2022 for $8.25 million in cash and loan notes. The company says those loan notes were subsequently repaid from its internal cash generation.
#Basis of the estimate
The estimate is principally supported by drilling at Motapa North, where exploration focused on sulphide mineralisation beneath historic open pits. The work covered three years, from 2023 through 2025, at an aggregate cost of $7.084 million.
Motapa comprises three main shear zones: Motapa North, Motapa Central and Motapa South. The estimate excludes results from the 2026 exploration programme. That work continues at Motapa North and began at Motapa Central and Motapa South during 2026.
#Relationship with Bilboes
Motapa North is immediately adjacent to Caledonia's Bilboes Gold Project in Zimbabwe. The company says the location could allow synergies between the properties and support consideration of a broader mining area. However, further exploration, metallurgical testing, technical studies and economic assessment are required before any development decision is made.
Caledonia Chief Executive Officer Mark Learmonth said the company expects Bilboes to produce first gold at the end of 2028 and is assessing the longer-term relationship between the two properties. He also said the company plans to continue Motapa exploration during the Bilboes construction period. These statements are subject to the risks and uncertainties identified by the company.
#Reporting requirements and limitations
Caledonia expects to file an NI 43-101 technical report covering the Motapa estimate on SEDAR+ within 45 days. The company also intends to file a technical report summary with the U.S. Securities and Exchange Commission under S-K 1300.
Caledonia notes that NI 43-101 and S-K 1300 use different disclosure requirements, meaning the estimates and related technical information may differ between the two reporting frameworks.
The company states that mineral resources are not mineral reserves and do not have demonstrated economic viability. It also cautions that there is no certainty that any part of the inferred resource will be upgraded to an indicated or measured category or converted into a mineral reserve.
Further risks identified by Caledonia include differences between estimated and actual grades or recoveries, unsuccessful exploration or metallurgical work, unreliable drilling or assay information, changes in capital and operating costs, delays in approvals or project development, and political, environmental, safety, regulatory, ownership and market-related risks.
#Key Takeaways
- Caledonia has reported its maiden mineral resource estimate for the Motapa property in Zimbabwe.
- Measured and indicated resources total 7.8 million tonnes at 1.51 g/t, containing 379,000 ounces of gold.
- Inferred resources total 2.7 million tonnes at 1.48 g/t, containing 131,000 ounces of gold.
- The estimate is based mainly on Motapa North drilling and excludes the 2026 exploration results.
- Further technical, metallurgical, exploration and economic work is required before a development decision.
#What has Caledonia Mining Corporation announced at Motapa?
Caledonia Mining Corporation has announced a maiden mineral resource estimate for its 100%-owned Motapa property in Zimbabwe. The estimate includes 7.8 million tonnes at 1.51 g/t, containing 379,000 ounces of gold in the measured and indicated categories, and 2.7 million tonnes at 1.48 g/t, containing 131,000 ounces in the inferred category. Both estimates use a cut-off grade of 0.5 g/t, and the resources are reported as 100% attributable to Caledonia.
#Where is Caledonia Mining Corporation listed?
The company is identified under NYSE AMERICAN:CMCL, AIM:CMCL and VFEX:CMCL.
#What are the reported exploration and acquisition costs for Motapa?
Caledonia reports an exploration spend of $7.084 million and an initial acquisition cost of $8.25 million. It states that the resulting exploration discovery and acquisition cost is $40.45 per measured and indicated resource ounce. The property was acquired in November 2022 for $8.25 million in cash and loan notes, which the company says were later repaid from internal cash generation.
#What limitations apply to the Motapa mineral resource estimate?
Caledonia states that mineral resources are not mineral reserves and have no demonstrated economic viability. The company also says there is no certainty that any part of the inferred resource will be upgraded to an indicated or measured category or converted into a mineral reserve. The estimate is based mainly on Motapa North drilling and excludes the 2026 exploration campaign, which continues at Motapa North and began at Motapa South and Motapa Central during 2026.
#What further work is required before Motapa development decisions can be made?
Caledonia says that further exploration, metallurgical testing, technical studies and economic assessment are needed before any development decision is made.
#What reporting and regulatory steps are expected?
Caledonia says the estimate has been prepared under Canada's National Instrument 43-101 and that it expects to file an NI 43-101 technical report on SEDAR+ within 45 days. The company also intends to file a technical report summary with the SEC under S-K 1300. Caledonia notes that NI 43-101 differs from S-K 1300, so the estimates and other technical information may differ between the two frameworks.
#What does the company say about the relationship between Motapa and Bilboes?
Motapa North is immediately adjacent to Caledonia's Bilboes Gold Project in Zimbabwe. Caledonia says the proximity could create synergies and allow Motapa to contribute to the longer-term development of a broader mining area. The company also states that further exploration, metallurgical testing, technical studies and economic assessment are required before any development decision. Statements concerning Bilboes production, continued exploration and the potential of the combined properties are forward-looking and subject to the risks and uncertainties described by Caledonia.
#What risks and uncertainties does Caledonia identify?
Caledonia identifies risks including inaccurate resource or reserve estimates; actual mined grades and recoveries differing from estimates; unsuccessful exploration, drilling or metallurgical testing; unreliable drilling, sampling or assay data; capital and operating costs varying from estimates; delays or failures in obtaining approvals; changes in inflation, exchange rates and commodity prices; project development delays; political, environmental, safety and regulatory risks; property title and ownership issues; and the speculative nature of mineral exploration and development. The company also cautions that exploration results may not establish the grade, continuity, metallurgical characteristics or economic potential needed for classification as a mineral resource.
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