REG - Caledonia Mining Crp - Blanket Mine Mineral Resources and Reserves Update
06/02/2023 07:00
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RNS Number : 9451O Caledonia Mining Corporation PLC 06 February 2023
Caledonia Mining Corporation Plc
Mineral Resources and Reserves Update at the Blanket Mine
(NYSE AMERICAN: CMCL; AIM: CMCL; VFEX: CMCL)
St Helier, February 6, 2023: Caledonia Mining Corporation Plc ("Caledonia" or
the "Company") is pleased to announce an update to the NI 43-101 compliant
Mineral Resources and Reserves estimates at its 64 per cent owned subsidiary,
the Blanket Mine in Zimbabwe ("Blanket") 1 (#_ftn1) . The total Measured and
Indicated Mineral Resources estimate ("M&I") at Blanket, inclusive of
Mineral Reserves, has increased by fifty-two percent to 1,095,000 ounces of
gold and the total Mineral Reserves estimate at Blanket has increased by one
percent to 395,000 ounces of gold, in each case as compared to the adjusted
figures explained further below 2 (#_ftn2) .
Minxcon (Pty) Ltd were commissioned by the Company to produce updated Mineral
Resources and Mineral Reserves estimates based upon existing data, reflecting
the completion of Central Shaft, and the migration to fully digital estimation
protocols. The report was commissioned based upon data struck at March 31,
2022 for Mineral Resources and September 1, 2022 for Mineral Reserves.
Commenting on the Mineral Resources and Mineral Reserves update, Mark
Learmonth, Chief Executive Officer said:
"I am delighted to be publishing this report reflecting the completion of
Central Shaft which not only has increased M&I by 52% to over 1 million
ounces, but also increased Mineral Reserves by 1% to 395,000 ounces, thus
securing the long-term future of Blanket. The slight reduction in Inferred
Mineral Resources is partly due to our long track record of growing Mineral
Resources and successfully converting Inferred Mineral Resources into M&I,
but also reflects the constrained deep level exploration due to sinking and
equipping Central Shaft. We are pleased to have established new drilling
platforms with resumed drilling."
"In 2022, the Company achieved its long-term target of producing 80,000 ounces
of gold at Blanket - this, coupled with a high gold price, puts the Company in
a good position to start to progress our new portfolio of assets supported by
cash generated from stable production at Blanket."
The tables below compare the new NI 43-101 Mineral Resources estimate at March
31, 2022 and Mineral Reserves estimate at September 1, 2022 to the 1300 S-K
TRS Mineral Resources and Reserves which were stated with an effective date of
December 31, 2021 (see footnote 2 above for an explanation of column B below).
Mineral Resources Comparison
A B C Variance % (B to C)
Effective Date December 31, 2021 December 31, 2021 March 31, 2022
Source 1300 S-K TRS 1300 S-K TRS but calculated at 100% NI-43-101 to be published on SEDAR
Basis Inclusive of Mineral Reserves Inclusive of Total Mineral Reserves Inclusive of Total Mineral Reserves
64% Attributable
Non-Attributable
Non-Attributable
Mineral Resources Classification Tonnes Grade Au Content Tonnes Grade Au Content Tonnes Grade Au Content Tonnes Grade Au Content
kt g/t koz kt g/t koz kt g/t koz kt g/t koz
Measured 1,215 3.06 119 1,899 3.06 187 5,065 3.32 541 167% 8% 190%
Indicated 3,347 3.18 342 5,229 3.18 535 5,659 3.04 554 8% -4% 4%
Total M&I 4,562 3.15 462 7,129 3.15 721 10,724 3.18 1,095 50% 1% 52%
Inferred 5,419 3.17 552 8,467 3.17 863 8,995 2.92 844 6% -8% -2%
Mineral Resources (March 31, 2022)
Notes:
1. Cut-off applied 1.5 g/t.
2. No geological loss applied for Measured, 5% for Indicated and
Inferred.
3. Gold price: USD1,600/oz.
4. Mineral Resources for NI 43-101 are stated inclusive of Mineral
Reserves.
5. Mineral Resources for NI 43-101 are reported as total Mineral
Resources and are not attributed.
6. All orebodies are depleted for mining.
Mineral Reserves Comparison
A B C Variance % (B to C)
Effective Date December 31, 2021 December 31, 2021 September 1, 2022
Source SK-1300 TRS 1300 S-K TRS but calculated at 100% NI-43-101 to be published on SEDAR
Basis 64% Attributable Mineral Reserves Total Mineral Reserves Total Mineral Reserves
Non-Attributable
Non-Attributable
Mineral Reserves Classification Tonnes Grade Au Content Tonnes Grade Au Content Tonnes Grade Au Content Tonnes Grade Au Content
kt g/t koz kt g/t koz kt g/t koz kt g/t koz
Proven 656 3.11 66 1,025 3.11 103 1,978 3.30 210 93% 6% 105%
Probable 1,751 3.30 186 2,736 3.30 290 1,964 2.94 185 -28% -11% -36%
Total 2,407 3.25 251 3,761 3.25 393 3,942 3.12 395 5% -4% 1%
.
Mineral Reserves (September 1, 2022)
Notes:
1. Mineral Reserve cut-off of 2.1 g/t applied.
2. The gold price that has been utilised in the economic analysis to
convert diluted Measured and Indicated Mineral Resources in the life of mine
plan ("LOMP") to Mineral Reserves is an average real term price of USD1,650/oz
over the LOMP, as compared to USD1,622/oz for the 1300 S-K TRS.
3. Mineral Reserves are reported as total Mineral Reserves and are not
attributed in the NI 43-101.
Enquiries:
Caledonia Mining Corporation Plc
Mark Learmonth Tel: +44 1534 679 800
Camilla Horsfall Tel: +44 7817 841793
Cenkos Securities plc (Nomad and Joint Broker)
Adrian Hadden Tel: +44 207 397 1965
Neil McDonald Tel: +44 131 220 9771
Pearl Kellie Tel: +44 131 220 9775
Liberum Capital Limited (Joint Broker)
Scott Mathieson/Kane Collings Tel: +44 20 3100 2000
BlytheRay Financial PR
Tim Blythe/Megan Ray Tel: +44 207 138 3204
3PPB
Patrick Chidley Tel: +1 917 991 7701
Paul Durham Tel: +1 203 940 2538
Curate Public Relations (Zimbabwe)
Debra Tatenda Tel: +263 77802131
IH Securities (Private) Limited (VFEX Sponsor - Zimbabwe)
Dzika Dhana Tel: +263 (242) 745 119/33/39
Lloyd Mlotshwa
The information contained within this announcement is deemed by the Company to
constitute inside information under the Market Abuse Regulation (EU) No.
596/2014.
Glossary
Unit Definition
% Percent
/ Per
± or ~ Approximately
° Degrees
°C Degrees Celsius
a Year
cm Centimetre
d Day
g Grammes
g/cm(3) Grammes per cubic centimetre
g/t Grammes per tonne
Ga Billion years (1,000,000,000 years)
ha Hectares
hr Hour
kg Kilogram (1,000 g)
kL Kilolitres (1,000 l)
km Kilometre (1,000 m)
km(2) Square kilometres
koz Kilo ounces (1,000 oz)
kt Kilotonnes (1,000 t)
ktpm Kilo tonnes per month
kV Kilovolt (1,000 volts)
kVA Kilovolt ampere
kW Kilowatt (1,000 W)
l Litre
m Metre
m(2) Square metres
m(3) Cubic metres
mm Millimetre
Moz Million ounces (1,000,000 oz)
Mt Million tonnes (1,000,000 t)
Mtpa Million tonnes per annum
MVA Megavolt ampere
oz Troy Ounces
t Tonne
t/m³ Tonnes per cubic meter
tpd Tonnes per day
V Volts
x By / Multiplied by
The following abbreviations were used in the Report:
Abbreviation Description
2018 Report National Instrument 43-101 Technical Report on the Blanket Mine, Gwanda Area,
Zimbabwe (Updated February 2018)
AC Asbestos Cement
amsl Above Mean Sea Level
BETS Employee Trust for the benefit of the present and future employees of Blanket
Mine
BIF Banded Iron Formation
Blanket Mine Company Blanket Mine (1983) (Pvt) Ltd
Blanket or the Mine Blanket Gold Mine
BQR Blanket Quartz Reef
Caledonia or the Company Caledonia Mining Corporation Plc
CAPM Capital Asset Pricing Model
CBDZ Colleen Bawn Deformation Zone
CIL Carbon-in-Leach
CIM Canadian Institute of Mining, Metallurgy and Petroleum
CMS Central Main Shaft
CPI Consumer Price Indices
CRM Certified Reference Material
DCF Discounted Cash Flow
DSR Disseminated Sulphide Reefs
DSR Disseminated Sulphide Reefs
EIA Environmental Impact Assessment
EM Act Environmental Management Act (Chapter 20:27) No. 13/2002
EMA Environmental Management Agency
Epoch Epoch Resources (Pty) Ltd
FCFE Free Cash Flow to Equity
FCFF Free Cash Flow to Firm
Fidelity Fidelity Printers and Refiners Limited
Fremiro Fremiro Investments (Private) Limited
FW Footwall
G&A General and Administrative
GCSOT Gwanda Community Share Ownership Trust
GGB Gwanda Greenstone Belt
GMS Greenstone Management Services (Pty) Limited
HG High Grade
HW Hanging Wall
IL Intensive Leach
Kinross Kinross Gold Corporation
KNA Kriging Neighbourhood Analysis
LG Low Grade
LIMS Laboratory Information Management System
LoM Life of Mine
Minxcon Minxcon (Pty) Ltd
ML40 Mining Lease with registered number 40
MMA Mines and Minerals Act (Chapter 21:05) of 1961
MMCZ Minerals Marketing Corporation of Zimbabwe
MSO GEOVIA Stope Shape Optimiser
NI 43-101 National Instrument 43-101, Form 43-101 F1 and the Companion Policy Document
43-101CP
NIEEF National Indigenisation and Economic Empowerment Fund
NIR Not-In-Reserve
NMD Nominal Maximum Demand
NPV Net Present Value
NSR Net Smelter Royalty
NWGDZ Northwest Gwanda Deformation Zone
OHL Overhead Powerlines
PEM Prospectivity Enhancement Multiplier
PPE Personal Protective Equipment
PSA Pressure Swing Absorption
QAQC Quality Assurance and Quality Control
QP Qualified Person
RoM Run of Mine
RoR Rate of Rise
SG Specific Gravity
SGDZ South Gwanda Deformation Zone
SoR Slope of Regression
The Act Indigenisation and Economic Empowerment Act
this Report NI 43-101 Technical Report on the Blanket Gold Mine, Zimbabwe" with an
effective date of 1 January 2023
TMM Trackless Mobile Machinery
TSF Tailings Storage Facility
WACC Weighted Average Cost of Capital
ZESA Zimbabwe Electricity Supply Authority
ZINWA Zimbabwe National Water Authority
ZMDC Zimbabwe Mining Development Corporation
Cautionary Note Concerning Forward-Looking Information
Information and statements contained in this news release that are not
historical facts are forward-looking information and forward-looking
statements (collectively, "forward-looking information") within the meaning of
applicable securities legislation that involve risks and uncertainties
relating, but not limited, to Caledonia's current expectations, intentions,
plans, and beliefs. Forward-looking information can often be identified by
forward-looking words such as "anticipate", "envisage", "believe", "expect",
"goal", "plan", "target", "intend", "estimate", "could", "should", "may" and
"will" or the negative of these terms or similar words suggesting future
outcomes, or other expectations, beliefs, plans, objectives, assumptions,
intentions or statements about future events or performance. Examples of
forward-looking information in this news release include: estimates of Mineral
Resources and Mineral Reserves; the projections used in developing such
estimates; the filing of a new NI 43-101 technical report; future production
and cash generation at Blanket; and the progression of the Company's assets.
This forward-looking information is based, in part, on assumptions and factors
that may change or prove to be incorrect, thus causing actual results,
performance or achievements to be materially different from those expressed or
implied by forward-looking information, including interpretations of
exploration results and assumptions relating to future costs and commodity
prices.
Securityholders, potential securityholders and other prospective investors
should be aware that these statements are subject to known and unknown risks,
uncertainties and other factors that could cause actual results to differ
materially from those suggested by the forward-looking information. Such
factors include, but are not limited to: risks relating to estimates of
Mineral Reserves and Mineral Resources proving to be inaccurate, fluctuations
in gold price, increases in capital or operating costs, risks and hazards
associated with the business of mineral exploration, development and mining,
risks relating to the credit worthiness or financial condition of suppliers,
refiners and other parties with whom the Company does business; inadequate
insurance, or inability to obtain insurance, to cover these risks and hazards,
employee relations; relationships with and claims by local communities and
indigenous populations; political risk; risks related to natural disasters,
terrorism, civil unrest, public health concerns (including health epidemics or
outbreaks of communicable diseases such as the coronavirus (COVID-19));
availability and increasing costs associated with mining inputs and labour;
the speculative nature of mineral exploration and development, including the
risks of obtaining or maintaining necessary licenses and permits, diminishing
quantities or grades of Mineral Reserves as mining occurs; global financial
condition, the actual results of current exploration activities, changes to
conclusions of economic evaluations, and changes in project parameters to deal
with unanticipated economic or other factors, risks of increased capital and
operating costs, environmental, safety or regulatory risks, expropriation, the
Company's title to properties including ownership thereof, increased
competition in the mining industry for properties, equipment, qualified
personnel and their costs, risks relating to the uncertainty of timing of
events including targeted production rate increase and currency fluctuations,
and the other risk factors discussed in the Company's reports filed with the
SEC on www.sec.gov and with Canadian securiites regulators on www.sedar.com.
Shareholders are cautioned not to place undue reliance on forward-looking
information. By its nature, forward-looking information involves numerous
assumptions, inherent risks and uncertainties, both general and specific, that
contribute to the possibility that the predictions, forecasts, projections and
various future events will not occur. Caledonia undertakes no obligation to
update publicly or otherwise revise any forward-looking information whether as
a result of new information, future events or other such factors which affect
this information, except as required by law.
National Instrument 43-101 - Standards of Disclosure for Mineral Projects ("NI
43-101") is a rule of the Canadian Securities Administrators which establishes
standards for all public disclosure an issuer makes of scientific and
technical information concerning mineral projects. Unless otherwise
indicated, all Reserves and Resource estimates contained in this press release
have been prepared in accordance with NI 43-101 and the Canadian Institute of
Mining, Metallurgy and Petroleum Classification System. These standards
differ from the requirements of 1300 S-K adopted by the SEC, and Reserve and
Resource information contained in this press release may not be comparable to
similar information disclosed by U.S. companies. The requirements of NI
43-101 for identification of Reserves and Resources are also not the same as
those of 1300 S-K, and any Reserves or Resources reported in compliance with
NI 43-101 may not qualify as "Reserves" or "Resources" under 1300 S-K.
Accordingly, the Mineral Reserve and Resource information set forth herein may
not be comparable to information made public by companies that report in
accordance with United States standards.
1 (#_ftnref1) This news release has been approved by Mr Dana Roets (B Eng
(Min.), MBA, Pr.Eng., FSAIMM, AMMSA), Chief Operating Officer, the Company's
qualified person as defined by Canada's National Instrument 43-101
- Standards of Disclosure for Mineral Projects ("NI 43-101"). The Company's
independent qualified persons as defined by NI 43-101, Mr Uwe Engelmann (BSc
(Zoo. & Bot.), BSc Hons (Geol.), Pr.Sci.Nat. No. 400058/08, FGSSA) in
respect of the Mineral Resources estimate and Mr Daniel van Heerden (B Eng
(Min.), MCom (Bus. Admin.), MMC) in respect of the Mineral Reserves estimate
each of Minxcon (Pty) Ltd have verified the data disclosed herein, including
sampling, analytical and test data informing the Mineral Resources and Mineral
Reserves estimates, by reviewing the methodologies, results and all procedures
undertaken in a manner consistent with industry practice, and all matters were
consistent and accurate according to their professional judgement. There were
no limitations on the verification process. A technical report prepared in
accordance with NI 43-101 for Blanket will be filed by the Company on SEDAR
(www.sedar.com (http://www.sedar.com/) ) within 45 days of this news release.
2 (#_ftnref2) The percentage changes are based on the Technical Report
Summary on Blanket Mine (the "1300 S-K TRS") prepared in compliance with the
SEC's technical disclosure requirements for mining companies under new subpart
1300 of Regulation S-K ("1300 S-K") which was filed as exhibit 15.4 to the
Annual Report on Form 20-F of the Company that had an effective date of
December 31, 2021 and which was filed on EDGAR (www.sec.gov/edgar
(http://www.sec.gov/edgar.com) ) on May 17, 2022, and which contains the
Company's most recently published Mineral Resources and Reserves estimates.
Mineral Resources and Reserves are stated in the 1300 S-K TRS pursuant to 1300
S-K on an attributable basis (i.e. 64%, based on the Company's percentage
ownership of Blanket Mine) and Mineral Resources are stated exclusive of
Mineral Reserves. Given that under NI 43-101 Mineral Resources and Reserves
are stated on a 100% (i.e. non attributable basis) and Mineral Resources are
inclusive of Mineral Reserves, the estimates in the 1300 S-K TRS (the "TRS
Mineral Resources and Reserves") as shown in this announcement and to which
the new estimates have been compared have also been grossed up to 100% (i.e.
non attributable) and are shown on an inclusive basis in order to correlate
with the methodology used to estimate the new NI 43-101 Mineral Resources and
Reserves and thus provide a meaningful comparison to the previously published
estimates in the 1300 S-K TRS - see table below with full details.
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