Potential transformational acquisition
DEG has announced an option to acquire 100% of Indee Gold Pty Ltd, who hold contiguous tenements adjacent and along strike of DEG’s existing 100% Turner River Project tenement package. The combined strike length of prospective ground for gold and base metal mineralisation would be 160km and therefore significant on a regional scale. Indee Gold is a
100% subsidiary of a large Chinese SOE – Northwest Nonferrous Australian Mining Pty Ltd (NNAM). Indee Gold comes with several granted mining leases, JORC 2004 estimated resources, pre-stripped open pits, an existing 850,000t heap leach stockpile, camp and other mine infrastructure. Successful completion of the acquisition would place DEG firmly on a development footing.
Acquisition to fast-track development: DEG’s announcement to acquire the Indee Gold Project is a strategic decision to gain size and to potentially fast-track the development option for DEG. The Indee JORC 2004 ounces, its existing infrastructure, pre-stripped pits and established mining leases would shorten the timeframe to development should the acquisition proceed.
Low risk option up front: DEG has taken out an option to acquire the project with an exclusivity period of 12 months for $100,000. During this time DEG has to spend $600,000 on exploration and evaluation, essentially the same amount of money required to fulfil the yearly expenditure commitments. Through exploration, DEG are targeting resource growth towards 1.0 million ounces during 2017.
Significant mineralisation below existing resources: We believe that DEG has the potential to realise significant resource growth from the Indee assets over the next 12 months. Intersections not yet included in the resource estimate include 22m @ 3.46g/t Au from 110m; 12m @ 28.48g/t Au from 75m; 10.5m @ 10.8g/t Au from 84m and 11m @ 6.87g/t Au from 149m. This drilling, completed by NNAM has probably saved DEG $4m and a year of exploration activity.
High confidence in conversion to JORC 2012: Over 70% of the Indee ounces are in the Measured and Indicated categories and are well drilled. We envisage DEG would emerge with an asset base of plus 800,000 ounces.
A successful heap leach operation could largely cover the acquisition cost: A quick analysis of a potential heap leach operation suggests that a large proportion of the acquisition cost could be covered quickly and cheaply. Equally, the crushed material on surface could provide cheap mill feed to a CIL plant at higher recoveries.
Combined resource base looks cheap against peers: The combined resource base of the two companies is significant in the peer group. On a crude comparative basis, the combined resource base, at a peer group average Enterprise Value per resource oz of $40.37/oz, would be valued at $33m, or $0.19 per share, a 180% premium to the current price.
Recommendation and Valuation: We place a Speculative Buy recommendation on DEG and a price target of $0.19 per share on the expanded resource base, with the caveat that the Indee resources will need to be converted from JORC 2004 to a JORC 2012 compliant estimate.
Option to Acquire Indee Gold Pty Ltd
DEG has entered into an option to acquire the Indee Gold Project from Indee Gold Pty Ltd, a 100% Subsidiary of a large Chinese SOE – Northwest Nonferrous Australian Mining Pty Ltd.
The combined project areas are both well serviced by major sealed road and only 75km from Port Hedland.
The Indee Gold Project is contiguous and along strike of DEG’s existing Turner River Project and located over the strike continuity of important regional structures such as the 100km long Mallina Shear Zone, which hosts a number of projects on DEG’s tenement package.
The combined 160km strike kilometres of regional structure places a combined group as an important regional play in the Pilbara with continuous ground holdings over both the Mallina Shear and the Tabba Tabba Thrust, that hosts DEG’s flagship Wingina Deposit, as well as several advanced stage projects in gold and base metals.
The option has three parts:
- DEG has an exclusive 12-month option to evaluate and explore the Indee gold Project. The cost of the option is $100,000 (non-refundable)
- DEG must spend $600,000 in expenditure over the next 12 months, after which,
- DEG can elect to acquire 100% of Indee Gold Pty Ltd for a final acquisition cost of $15m in six months from that point.
Complimentary and strategic acquisition
Whilst DEG has recently had some good results from its Turner River Project, which has included a new Wingina Well resource at much higher grade than the previous estimate; a trebling of the resource base at Mt Berghaus and a substantial increase in resources at its Turner River base metal projects, the Indee Gold acquisition would mark a step change in scale and in our view place DEG much closer to a project development, under a much shorter time frame than could have been managed through organic resource growth.
Additional resources and opportunities - The Indee Project has a number of existing JORC 2004 resources which are to be upgraded to JORC 2012 early in 2017.
- The Indee combined resource estimate (JORC 2004) of 345,000 ounces is well drilled with 77% of the ounces included in the Measured or Indicated categories.
- Importantly, 90% of the resources are located on granted mining leases.
- There are a number of significant drilling results that are not yet included in the resource estimates.
- Resources remain open at depth and along strike.
- Existing, shallow open pits have exposed mineralisation on the pit floor.
- An additional 850,000 tonnes of mineralised material sits in crushed stockpiles on surface. This is not included in the resource estimates but the grade is still to be determined.
Strategic value - DEG’s acquisition of Indee is of great strategic value as:
- Existing mining leases allow for a rapid development timeline.
- Existing mine and associated infrastructure would reduce mine start-up capital to camp and plant.
- An existing 850,000 tonne stockpile, should economic grades be confirmed, would provide a very low-cost start-up opportunity requiring re-handle and processing costs only (see below).
- A number of the Indee deposits have already been pre-stripped, reducing the working capital requirement on mine start-up with rapid access to ore.
- An extensive exploration database provides for existing walk-up drill targets.
- Most of the existing deposits have not been drilled at depth and provide an obvious location to potentially increase the resource base relatively quickly.
- A centrally placed mill could service most of the existing deposits from Indee and Turner River. A centrally located processing plant would require a maximum haul distance of circa 50km, equivalent to just 0.13 g/t in haul costs, or $6.50/t at 13cptkm.
- The combined ounces from Indee and Turner River would provide a critical mass to initiate development studies, with a scoping level study to be conducted almost immediately.
- The Indee resource are in the Measured and Indicated category, therefore not requiring much further drilling.
Indee Gold’s JORC 2004 resources are estimated at 6.66Mt at 1.6g/t for 345,000 ozs from a number of deposits. It should also be noted that most of the Indee resources are in the Measured and
Indicated category and therefore require little drilling to elevate to reserves prior to mining.
Note: DEG aim to convert existing
JORC 2004 resources into JORC
2012 compliant resources. There is no
guarantee of 100% conversion of
JORC 2004 to JORC 2012 for the
estimates. Investors should therefore
use caution until DEG complete the
This compares to DEG’s existing JORC 2012 resource estimate for the Turner River Project of 464,000 ozs. A combined resource at 100% conversion would be 809,000 ozs (see “Note” above).
Proposed timeline for evaluation and development
Hidden value in heap leach material
We believe there is significant value lying in the 850,000 tonnes of mineralisation already located on a lined heap leach pad on the Indee tenements. On the assumptions tabulated below, a heap leach operation started soon after completion of project acquisition could have the potential to replace a significant percentage of the acquisition costs.
A basic evaluation of the potential for the heap leach project is tabled below. For the Base Case assumption, we have used a 1g/t head grade and a recovery of 65%. Many gold heap leach project have recoveries in the order of 60-70%. Further, we have assumed a gold price of A$1500 and operating costs of A$750 per ounce. We assume $1.5m in additional capital, yielding a before tax cashflow of circa $13m.
The material is already crushed and lies on top of a liner for collection of the pregnant liquor. The costs are likely to be low as no mining, material rehandle nor is crushing required.
Alternatively, the stock pile could be processed through the proposed CIL plant once constructed, with a significantly higher recovery expected around 90-95% as oxide material, minus only a small rehandling and CIL processing costs. This could improve the before tax cashflow to in excess of $16M based on a margin of $600/oz produced.
Significant exploration potential
Indee has several existing pits that are only partially developed. Significant intersections exist below the existing resources (JORC 2004) such as:
- 16m @ 4.50g/t Au from 72m from Withnell
- 2m @ 10.82g/t Au from 64m from Withnell
- 22m @ 3.46g/t Au from 110m from Withnell
- 12m @ 28.48g/t Au from 75m from Camel 1
- 10.5m @ 10.8g/t Au from 84m from Camel 1
- 11m @ 6.87g/t Au from 149m from Camel 1
- 9.0m @ 4.49g/t Au from 79m from Roe
The identified mineralisation down dip of known resources (JORC2004) presents an immediate follow-up opportunity and we believe some of this material will be included in the resource upgrade. Note the lack of deep drilling on Figure 4 below.
Some are in areas of virtually no follow up deeper drilling. The higher-grade intersections may also indicate the presence of high grade shoots that need follow up.
Essentially, whilst the project was under private Chinese ownership, exploration activity between 2008 and 2016 has gone un-reported publicly. DEG has the benefit of immediate drill results beneath many of the existing resources. The cost of this drilling alone is estimated to be greater than $4M and would have taken over a year of continuous drilling, saving DEG a full year of exploration and a large additional expense.
Additional potential to increase resources comes from the Mallina Project to the west of the Withnell Trend. DEG has set an exploration target here of between 53,000 and 125,000 ozs.
Extensive gold anomalies from a tenement wide soil sampling program has identified a number of other areas for follow-up. These include projects such as Geemas, Mirdawari, Toweranna and West Yule.
Exploration at Turner River shows similar opportunities
Exploration at DEG’s existing tenements show a similar opportunity, this time on the under-explored Tabba-Tabba Thrust and at Mt Berghaus (on the same Mallina shear zone as the Indee deposits).
The Tabba Tabba Thrust as shown in the diagram below, hosts the larger and higher grade Wingina deposit. A lack of deep drilling below the existing Wingina and Amanda deposits can be seen in the long section. Importantly, many areas along strike from the known resources remain poorly drill tested due to thin veneer of shallow sand cover yet show untested gold anomalies immediately along strike for the resources. Additional drilling following up encouraging drilling intersections and the soil anomalies is anticipated to generate further interest along this prospective structure.
Significant intersections not adequately followed up include:
- 2m at 43.2 g/t
- 3m at 29.3 g/t
- 7m at 19.5 g/t
- 2m at 24.6 g/t and
- 14m at 6.5 g/t
The Mt Berghaus deposit lies on the same structure as the Indee Gold deposits and DEG’s recent drilling demonstrated the potential of the system after the company increased resources from 43,000 ounces to 141,000ounces. The mineralised system is over 5km long with multiple lodes developing. Additonally, there is a 3km long strike length which has received very little drilling to date, yet previous results indicate intersections of 2m @ 24.6g/t and 14m @ 6.5g/t.
Acquisition would elevate DEG in its peer group
The intended acquisition of Indee would elevate DEG in its explorer peer group. The addition of the Indee resource ounces almost doubles DEG’s resource base and set’s the company on a path towards 1 million ounces, in our view.
The expanded combined resource would lower the EV/Resource Oz to the bottom end of the peer group, at just $11.30/oz against an average of $40.37/oz. On a purely comparative basis, that would imply an equivalent value for the asset base of circa $33m, or $0.19 per share, a 260% premium to the current price.
The acquisition cost of Indee’s (JORC 2004) 345,000 ozs is equivalent to $43 per ounce, about the average EV/Oz for the peer group. Although this doesn’t sound cheap on the current resource base (nor is it expensive), we believe that DEG has the potential to realise significant resource growth from the Indee assets over the next 12 months, thereby significantly lowering the per ounce acquisition cost.
This Research report, accurately expresses the personal view of the Author.
DJ Carmichael Pty Limited, members of the Research Team; including authors of this report, its directors and employees advise that they may hold securities, may have an interest in and/or earn brokerage and other benefits or advantages, either directly or indirectly from client transactions in stocks mentioned in this report. DJ Carmichael Pty Limited acted as Lead Manager in two capital raisings for De Grey Mining Limited and was paid a fee for that service. DJ Carmichael Pty Limited holds 3,024,500 shares as principal in De Grey Mining Limited, equivalent to 1.75% of the issued capital. DJ Carmichael Pty Limited’s Managing Director, Davide Bosio, is also a Non-Executive Director of De Grey Mining Limited. DJ Carmichael Pty Limited and or its advisers hold an interest of 12,500,000 unlisted options in De Grey Mining Limited.
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