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THR Thor Energy Plc

0.85
0.025 (3.03%)
31 Oct 2024 - Closed
Delayed by 15 minutes
Share Name Share Symbol Market Type Share ISIN Share Description
Thor Energy Plc LSE:THR London Ordinary Share GB00BRJ52319 ORD GBP0.001
  Price Change % Change Share Price Bid Price Offer Price High Price Low Price Open Price Shares Traded Last Trade
  0.025 3.03% 0.85 0.80 0.90 0.85 0.80 0.80 2,544,000 14:00:09
Industry Sector Turnover Profit EPS - Basic PE Ratio Market Cap
Misc Nonmtl Minrls, Ex Fuels 0 -520k -0.0019 -4.47 2.3M

Thor Mining PLC Molyhil Definitive Feasibility Study Results (4599G)

29/06/2012 8:02am

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RNS Number : 4599G

Thor Mining PLC

29 June 2012

THOR MINING PLC

MOLYHIL PROJECT (NT)

DEFINITIVE FEASIBILITY STUDY CONFIRMS FINANCIAL RETURNS

AND EARLY CAPITAL PAYBACK POTENTIAL

Dated: 29 June 2012

The Board of Thor Mining Plc ("Thor") (AIM, ASX: THR), is pleased to advise that following completion of the Definitive Feasibility Study (DFS) for the Molyhil tungsten and molybdenum project in Australia's Northern Territory ("Molyhil"), it is confirmed that Molyhil will deliver attractive financial returns as well as the early payback of the capital required for its development.

Highlights

   --              EBIT returns provide for 21 month payback period 

-- All equity Net Present Value (NPV) of A$28 million with an Internal Rate of Return (IRR) of 24%, after tax.

   --              Production cost of A$125/mtu concentrate compared with revenue of A$354/mtu. 
   --              DFS outcomes calculated on 4 year ore reserve 

-- Substantial upside potential identified on optimisation of pit design parameters to extend mine life.

Next steps

   --              Negotiate concentrate sales and finance agreements 
   --              Detailed engineering studies. 

Molyhil Definitive Feasibility Study (DFS)

Following the publication in May 2012 of an updated open cut ore reserve statement, Thor has completed the necessary mining and production schedules and incorporated the results into a feasibility model, along with previously published parameters (refer attachment "A" ), to produce an attractive feasibility study outcome.

The results of the study show:

   --              EBIT returns provide for 21 month payback period 

-- All equity Net Present Value (NPV) of A$28 million at a discount rate of 8% (A$23million @ 10% or A$36 million @ 5%) after tax.

   --              All equity Internal Rate of Return (IRR) of 24% after tax. 

-- Production cost of A$125/mtu concentrate (after deduction of molybdenum bi-product credits) compared with revenue of A$354/mtu.

-- Mine life of 4 years, derived from the updated open cut ore reserve statement published on 30(th) May 2012.

   --              Capital expense of A$70 million. 
   --              Before tax surplus cash of A$62 million after recovering the original investment. 

The DFS has been prepared by Thor Mining PLC using data and information supplied by third party consultants for key components, including:

   --              Resource estimates and open cut ore reserve statement; 
   --              Mine planning; 
   --              Capital and operating costs; 
   --              Metallurgical processes and outcomes; 
   --              Commodity prices and exchange rates; 
   --              Environmental studies 

Next steps

The next steps for the Molyhil project involve securing concentrate sales (off-take) agreements and finance for the project development, after which it is planned to commence detailed engineering studies, along with onsite civil works in preparation for mine and process plant construction and development.

The longer term future for Molyhil

The Molyhil mining plan is derived from the open cut ore reserve statement, and therefore the life of the proposed operation in the DFS is of the order of 4 years. Pit optimisation studies by Runge, however, reveal that a relatively modest 7% improvement in economic factors has the potential to increase the reserve and mining life by over 50%. By contrast a 20% deterioration in economic factors shows a modest 13% reduction in mining life and reserve.

The potential beyond the current estimated life may include:

-- Extending the open cut operation and/or underground mining to extract more of the 65% of the resource, laterally and at depth, which is not included in the ore reserve.

-- Potential production exploration targets, including some recently identified within several kilometres of Molyhil (Figure. 2)

-- Potential from an also recently identified, large magnetic target below the known Molyhil resource (Figure. 3) which, if it contains substantial economic mineralisation, could sustain a longer term underground mining operation.

Figure 1: Tungsten prospects (magnetic anomalies) adjacent Molyhil

http://www.rns-pdf.londonstockexchange.com/rns/4599G_-2012-6-29.pdf

Figure 2: Modelled magnetic target beneath Molyhil resource

http://www.rns-pdf.londonstockexchange.com/rns/4599G_1-2012-6-29.pdf

Commenting, Mick Billing, Executive Chairman of Thor Mining said, " We are now approaching the development phase for Molyhil and pleased that the DFS has so clearly defined the economic viability as well as the opportunity for an early payback on the capital required for its development. At the same time, we have identified ways to improve the mining life of Molyhil significantly and identified a large magnetic target below the known Molyhil resource and believe this may sustain a much longer term mining operation"

Enquiries:

 
 Mick Billing     +61 (8) 7324   Thor Mining          Executive 
                   1935           PLC                  Chairman 
 Allan Burchard   +61 (8) 7324   Thor Mining          CFO/Company 
                   1935           PLC                  Secretary 
 Gerry Beaney/    +44 (0) 207    Grant Thornton       Nominated 
  David Hignell    383 5100       Corporate            Adviser 
                                  Finance 
 Nick Emerson/    +44 (0) 1483   Simple Investments   Broker 
  Renato           413500 
  Rufus 
 Alex Walters/    +44 (0) 7771   Cadogan PR           Financial 
  Emma Wigan       713608                              PR 
                   +44 (0) 207 
                   839 9260 
 

Competent Person statement -

The information in this report that relates to exploration results is based on information compiled by Richard Bradey, who holds a BSc in applied geology and an MSc in natural resource management and who is a Member of The Australasian Institute of Mining and Metallurgy. Mr Bradey is an employee of Thor Mining PLC. He has sufficient experience which is relevant to the style of mineralisation and type of deposit under consideration and to the activity which he is undertaking to qualify as a Competent Person as defined in the 2004 Edition of the 'Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves'. Richard Bradey consents to the inclusion in the report of the matters based on his information in the form and context in which it appears.

The information in this report that relates to the Molyhil Mineral Resource is based on information compiled by Mr Craig Allison, who is a Member of The Australasian Institute of Mining and Metallurgy and Mr Trevor Stevenson who is a Fellow and Chartered Professional of the Australasian Institute of Mining and Metallurgy, a member of the Mineral Industries Consultants Association and is a full-time employee of Runge Limited. Mr Stevenson has sufficient experience which is relevant to the style of mineralisation and type of deposit under consideration and to the activity which he is undertaking to qualify as a Competent Person as defined in the 2004 Edition of the 'Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves'. Mr Stevenson consents to the inclusion in the report of the matters based on his information in the form and context in which it appears.

The Ore Reserves estimate in the Statement was based on information compiled and reviewed jointly by Mr Alan Dickson and Mr Andrew Newell. Alan Dickson is a Fellow and Chartered Professional of the Australasian Institute of Mining and Metallurgy, a member of the Mineral Industries Consultants Association and is an associate of Runge. Alan Dickson, has sufficient experience which is relevant to the style of mineralisation and type of deposit under consideration and to the activity he is undertaking to qualify him as a Competent Person as defined in the 2004 Edition of the Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves. Andrew Newell is a Chartered Professional Member of the Australasian Institute of Mining and Metallurgy, a member of the Mineral Industries Consultants Association and is an associate employee of Runge. Andrew Newell, has sufficient experience which is relevant to the style of mineralisation and type of deposit under consideration and to the activity he is undertaking to qualify him as a Competent Person as defined in the 2004 Edition of the Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves.Institute of Mining and Metallurgy. Mr Allison is a full-time employee of Runge Limited. He has sufficient experience which is relevant to the style of mineralisation and type of deposit under consideration and to the activity which he is undertaking to qualify as a Competent Person as defined in the 2004 Edition of the 'Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves'. Mr Allison consents to the inclusion in the report of the matters based on his information in the form and context in which it appears.

Updates on the Company's activities are regularly posted on Thor's website www.thormining.com, which includes a facility to register to receive these updates by email.

Attachment A: Molyhil Definitive Feasibility Study (DFS) Input Parameters

1. Mineral Resource estimate of 4.7 million tonnes averaging 0.28% WO(3) & 0.22% MoS in Indicated and Inferred categories

2. Open Cut Ore Reserve for the Molyhil deposit of 1.64 million tonnes averaging 0.42% WO(3) & 0.13% Mo (0.22% MoS ) categorised as Probable

   3.   Revenue factors: 
   --      Revenue / mtu scheelite concentrate = US$354/mtu 
   --      Revenue / pound molybdenum concentrate = US$13.20 
   --      A$1.00 = US$0.92 during 1(st) year of production 
   4.   Metallurgical recovery 
   --      Tungsten = 85% 
   --      Molybdenum = 77.8% 
   5.   Capital cost = A$70 million 
   6.   Operating Factors 
   --      Mining waste to ore ratio = 5.3 : 1 
   --      Mining costs = A$24.23 / tonne ore 
   --      Processing & admin costs = A$65 / tonne ore 

The Molyhil Mineral Resource is summarised in Table 1. Below:

Table 1: January 2012 Molyhil Mineral Resource Estimate (Reported at 0.1% combined Mo + WO3 Cut-off and above 200mRL only)

 
 Classification     Tonnes      Fe    MOS(2)   WO(3)   MOS(2)   WO(3) 
---------------- 
                       t        %       %        %      (t)      (t) 
----------------  ----------  -----  -------  ------  -------  ------- 
    Measured           -        -       -        -       -        - 
    Indicated      3,820,000   18.8    0.22    0.29    8,200    10,900 
    Inferred        890,000    15.2    0.25    0.25    2,200    2,200 
----------------  ----------  -----  -------  ------  -------  ------- 
      Total        4,710,000   18.1    0.22    0.28    10,400   13,100 
----------------  ----------  -----  -------  ------  -------  ------- 
 

Note minor rounding errors may occur in compiled totals.

The deposit was estimated by using Ordinary Kriging (OK) grade interpolation, constrained by interpretations prepared using a nominal 10 to 15% iron oxide cut-off grade to define the skarn bodies and a minimum downhole length of 2m.

The Molyhil Open Cut Ore Reserve Statement is summarised in Table: 2 below

A total of 1.64 Mt of Open Cut Ore Reserves is estimated at the Molyhil deposit which is categorised as Probable (see Table 2).

Table 2: Total Open Cut Ore Reserves

 
                          Ore Reserves 
            --------------------------------------- 
                        Mo    WO(3)    Mo      WO 
             Tonnage                   (t)     (t) 
               (Mt)     (%)    (%) 
----------  --------  -----  ------  ------  ------ 
  Proved        0       0       0       0       0 
----------  --------  -----  ------  ------  ------ 
 Probable     1.64     0.13   0.42    2,200   6,900 
----------  --------  -----  ------  ------  ------ 
   TOTAL      1.64     0.13   0.42    2,200   6,900 
----------  --------  -----  ------  ------  ------ 
 
   Notes:   Estimate has been rounded to reflect accuracy 

All estimates are on a dry tonne basis The reserve estimate extends to a maximum depth below surface of 122 metres

This information is provided by RNS

The company news service from the London Stock Exchange

END

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