Rediscovering the Diamond Potential of the Kalahari · pl49/99 pl34/99 pl91/99 folio32c pl104/97...
Transcript of Rediscovering the Diamond Potential of the Kalahari · pl49/99 pl34/99 pl91/99 folio32c pl104/97...
Rediscoveringthe Diamond Potential of
the Kalahari
Jim Davidson, Technical Director Petra Diamonds
Important Notice
These Presentation Materials do not constitute or form part of any invitation, offer for sale or subscription or any solicitation for anyoffer to buy or subscribe for any securities in the Company nor shall they or any part of them form the basis of or be relied upon inany manner or for any purpose whatsoever.
These Presentation Materials must not be used or relied upon for the purpose of making any investment decision or engaging in aninvestment activity and any decision in connection with a purchase of shares in the Company must be made solely on the basis ofthe publicly available information. Accordingly, neither the Company nor its directors makes any representation or warranty inrespect of the contents of the Presentation Materials.
The information contained in the Presentation Materials is subject to amendment, revision and updating in any way without notice orliability to any party. The presentation materials contain forward-looking statements which involve risk and uncertainties and actualresults and developments may differ materially from those expressed or implied by these statements depending on a variety offactors. No representation or warranty, express or implied, is made as to the fairness, accuracy or completeness of the informationor opinions contained herein, which have not been independently verified.
The delivery of these Presentation Materials shall not at any time or in any circumstance create any implication that there has beenno adverse change, or any event reasonably likely to involve any adverse change, in the condition (financial or otherwise) of theCompany since the date of these Presentation Materials.
The Presentation Materials are confidential and being supplied to you for your own information and may not be reproduced, furtherdistributed, passed on, or the contents otherwise divulged, directly or indirectly, to any other person (except the recipient’sprofessional advisers) or published, in whole or in part, for any purpose whatsoever. The Presentation Materials may not be used forthe purpose of an offer or solicitation to subscribe for securities by anyone in any jurisdiction.
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Discover Petra Diamonds
3
Cullinan
July 2008
Block Cave
16yr Mine Plan+50yr Potential Life
Williamson
November 2008
Open Pit
17 yr Mine Plan+50yr Potential Life
Kimberley UG
May 2010
Block Cave
11yr Mine Plan+12yr Potential Life
Finsch
Block Cave
18yr Mine Plan+25yr Potential Life
Koffiefontein
July 2007
Front Cave
14yr Mine Plan+20yr Potential Life
September 2011
Petra has acquired the following five diamond mines from De Beers:
• The largest quoted pure diamond mining group (LSE: PDL) – member of FTSE 250
• One of the world’s largest diamond resources at +300 million carats
• Diversified portfolio – five major kimberlite mines and three fissure mines in production
• Exceptional growth – objective to increase production to over 5 million carats by FY 2019
• Provides direct exposure to the positive long term fundamentals of the diamond market
Proven Track Record – Continuous Growth
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0.0
0.5
1.0
1.5
2.0
2.5
FY2007
FY2008
FY2009
FY2010
FY2011
FY2012
Gross Production Profile
Strong production growth due to Finsch acquisition
Mcts
Major increase due to higher
volume Cullinan mine
0
50
100
150
200
250
300
350
FY2007
FY2008
FY2009
FY2010
FY2011
FY2012
Gross Revenue Profile
US$ million
Acquisition of Koffiefontein
Recovery in rough diamond prices & sale of 507 ct Cullinan Heritage
Finsch contribution boosts revenue
Decreased revenue due to the economic downturn
Q3 FY 2012
Q3 FY 2012
* The above columns suggesting full year FY 2012 production and revenue levels are for illustrative purposes only and are not market forecasts
* *
A Diversified Portfolio • Focus on Africa – source of 60% of the world’s diamonds by value
• Eight producing mines – provides flexibility in terms of portfolio performance
• Kimberlite exploration programme in Botswana
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Focus On Botswana
• Africa’s premier mining jurisdiction
• World’s largest diamond producer by value
• Superb geological prospectivity
• Stable politically and attractive fiscal regime
• Easy logistics
• Transparent land tenure system
Petra Diamonds Botswana
• Petra Diamonds Botswana holds major diamond exploration landholding of 22,250km² – all ‘on craton’
• Team operates a highly focused and cost effective exploration programme
• Recent discovery of KX36 – LDD drilling programme underway to further evaluate this potentially high grade discovery
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!!
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!CKGR
Maun
Orapa
Gweta
Serowe
Kokong
Toteng
Palapye
Jwaneng
Khutswe
Gaborone
Letlhakane
Letlhakeng
Francistown
LegendPetra Diamonds Botswana Licences and Folios
Other Diamond Licences
0 300150
Kilometers
¯
Historical Precious Stones Licences - 1983
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Historical Precious Stones Licences - 1989
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Historical Precious Stones Licences - 1990
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Historical Precious Stones Licences - 1996
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Historical Precious Stones Licences - 2004
Folio1
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Folio1
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8/2004
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Folio1
26/98
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28/98
Wati
Folio
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50/2004
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27/2003
PL81/99
PL94/99
19/2003
55/2001
18/2003
PL44/99
PL75/99
PL21/98
Folio32B PL43/99
111/2002
Folio32A
PL47/99
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PL9/2002
PL102/99
PL33/99
PL125/2002
PL2/2002
PL3/2002
56/2001
57/98
Folio47L1
PL52/2003
100/2002
PL51/2003
PL74/2001
PL96/99
PL101/97
PL50/99
PL43/2001
PL70/99
PL64/2002
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PL68/2002
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PL10/2002
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PL14/2002
PL71/2002
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PL72/2001
PL21/2002
PL24/2003PL25/2003
PL23/2003
PL73/2001
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PL24/2001
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PL23/2001
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PL33/2002 PL35/2002
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PL26/2001
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PL27/2001
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PL95/2002
PL49/99
PL34/99
PL91/99
Folio32C
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PL18/2002
PL111/99
Folio64A1
PL39/2002
PL36/2002
PL32/2001
PL48/2002
PL67/99
PL51/2001
PL93/2002
PL96/2002
PL53/2002
PL44/2001
PL24/98
PL49/2001
PL109/97
PL47/2000
PL109/2002
PL5\2000
PL91/2002
PL46/2000
101/2002
PL68/99
Folio43
PL48/2001
PL74/2002
Folio47L2
PL91/96
PL34/2001
Folio65A2
PL21/2001
PL90/99
PL28/2000
PL39/99
PL20/2000
PL84/2002
Folio44a
PL103/99
PL102/97 PL103/97
PL19/2001
PL60/99
PL37/99
Folio65A2
PL87/99
PL64/99
PL15/2003
PL40/2002 PL26/2000A
PL65/99
95/97
PL59/99
PL17/2000
PL108/96
PL30/2002
PL59/98
PL51/2000
PL85/99
PL88/96
PL40/2003
PL16/2001
PL64/2001
PL37/97
PL38/97
Folio65A1
PL4/2003
PL83/99
PL26/2000
PL59/2003
PL29/2002
Folio64A2
PL12/2003 PL23/2002
PL11/2001
PL31/2001
Folio47L3
PL36/2001
PL108/99
PL37/2001
PL56/2003
PL36/99
51/2004
PL49/2003
PL77/99
PL41/99 PL24/2002
PL47/2001
PL6/2000
PL16/2002
49/2004
PL116/99
Folio65A3PL38/99
PL58/2003
PL19/2000
13/2003
PL28/2002
PL100/99
PL90/2002
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30/98
PL53/2001PL38/2003
PL35/99
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PL71/2001
PL69/2001
PL107/97
7/2000
PL3/2000
PL20/2001
PL76/99
96/97
PL52/2000
PL18/2001
ML10/71
PL16/2001
PL71/2001
13/2003
PL53/2001
PL18/2000
Folio2PA&B
PL50/2003
PL44/2000
7/2000
PL83/99
PL67/98
PL48/2003
PL33/2003
PL98/99
PL66/99
PL84/99
PL100/99
PL90/96
PL56/2002
PL83/99
PL105/99
Folio65A3PL5/2003
PL40/99
PL25/2000
PL38/2000
PL39/2003
PL4/2002
101/2002
PL34/2003
PL27/2000
PL106/96
PL13/2001
Folio64A3
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PL26/2003
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13/2003
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Jwag Mi
PL115/99PL115/99
13/2003
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Folio 58
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53/2000
PL39/2000
13/2003 PL29/2002
PL106/97
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PL30/2001
PL41/99 Folio65A3
PL115/99PL115/99
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Folio65A1
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PL2/97PL64/2004
PL87/2002
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Folio2PA&B
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PL11/2000
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Folio 58
PL11/2000
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PL16/2003PL87/2002
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51/2004
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Port2
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PL40/99
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RTL1/2001
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Folio 58
PL86/99
PL67/98
PL66/99
PL17/2003
PL26/2002
PL103/99
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PL5/2003PL61/98
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PL3/2000
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PL35/2003
PL53/98
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Port1
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22.000000
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-26.
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-26.
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-22.
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-22.
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-18.
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-18.
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Areas held under Reconnaisance Permits, Prospecting Licences and Mining Leases as at 26th July, 2004
0 500250
Kilometers
Folio1
Folio1
Folio1
27/98
8/2004
PL51/98
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Folio1
26/98
PL82/99
28/98
Wati
Folio
PL45/99PL45/99
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27/2003
PL81/99
PL94/99
19/2003
55/2001
18/2003
PL44/99
PL75/99
PL21/98
Folio32B PL43/99
111/2002
Folio32A
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PL9/2002
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PL33/99
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PL2/2002
PL3/2002
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PL10/2002
PL54/2001
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PL50/2002
PL72/2001
PL21/2002
PL24/2003PL25/2003
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13/2003
PL28/2002
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30/98
PL53/2001PL38/2003
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7/2000
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ML10/71
PL16/2001
PL71/2001
13/2003
PL53/2001
PL18/2000
Folio2PA&B
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7/2000
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PL5/2003PL61/98
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-22.
0000
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-22.
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-18.
0000
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-18.
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Areas held under Reconnaisance Permits, Prospecting Licences and Mining Leases as at 26th July, 2004
0 500250
Kilometers
11
The Search For KX36
13
Regional Aeromagnetics
Xcalibur high resolution dataGovernment data
5 km 5 km
KX36New Kimberlite Discovery
• Initial drilling and micro-diamond sampling campaign indicated:
• Initial modelled (undiluted) diamond grade between 75-180 cpht (J Ferreira / MSA)
• Indications of a reasonably coarse diamond size distribution from MiDA modelling (J Ferreira / MSA)
• Surface area interpreted to be ~5 ha under 78m of Kalahari overburden
• LDD drilling and bulk sampling campaign has now commenced
• Results expected later in the year
Calcretized KimberliteWeathered KimberliteFresh Kimberlite
516m Tonnage estimate of between 28Mt and 34Mt to base of Deposit(516m below surface); Deposit open at depth 14
15
KX36 Magnetics
Standpipe magnetics with drill rig in the background
Elephant Rig on KX36
±
0 100 20050Meters
Garnets0
1
2
3 - 6
>6
Deflation Sampling Results: Garnets
9 samples, 28 garnets
16
N
±
0 100 20050Meters
Chromites0
1
8
Deflation Sampling Results: Chromites
9 samples,10 chromites
17
N
KX36 Garnets Cr-Ca Mineral Chemistry
G10 G9
ECLOGITIC
Cr 2
O3
wt%
CaO wt%
Cr-CaAll garnets
0123456789
10111213141516
0 2 4 6 8 10
18
MEGACRYSTS
GROUP 1ECLOGITES
GROUP 2ECLOGITES
KX36 GarnetsTi-Na Mineral Chemistry
0.0
0.2
0.4
0.6
0.8
1.0
1.2
0.00 0.05 0.10 0.15 0.20
Na2O wt%
TiO
2w
t%
19
Cr 2
O3
wt%
TiO2 wt%
Cr-TiAll Chromites
KX36 ChromitesCr-Ti Mineral Chemistry
25
30
35
40
45
50
55
60
65
70
75
0 2 4 6 8 10
20
TiO
2w
t%
MgO wt%
KX36 IlmenitesTi-Mg Mineral Chemistry
30
35
40
45
50
55
60
0 2 4 6 8 10 12 14 16 18 20
KNK
KX36Drill Core
KE02Def. Sample
21
KX36CPX - PT Plot
25
35
45
55
65600 700 800 900 1000 1100 1200 1300 1400
P (kbar)
Temp (ºC)
Gph
Dia
36 38 40 42 44
22
• The rock is classified as a hypabyssal-facies, coherent, macrocrystic, alteredphlogopite kimberlite
• Based on the grain size of the groundmass, euhedral, opaque spinels (up to 0.07 mm)this kimberlite is petrographically rated as high interest with respect to diamondpotential
• The development of the kimberlites indicates the intervention of hypabyssal crystallizationby a process known as second boiling. This process is likely to put an end to diamondoxidation and should therefore be seen as a positive process with regard to diamondpreservation
23
KX36Petrographic Assessment (by Mike Skinner)
Total Diamond Content Model forKX36 MiDA sampling. Red dotsrepresent combined samplebroken down into size classes.Solid black line represents totaldiamond content model.(modelling by Mr. J Ferreira, MSAGeoservices).
No. of Diamonds according to Sieve Size Fraction (mm)
Hole Sample ID
Weight (Kg)
+75 +106 +150 +212 +300 +425 +600 +850 +1180 +2360 No. of Diamonds
H4 80-125 19.98 0 0 4 2 2 1 0 0 0 0 9
H4 125-170 20.46 0 0 4 4 3 1 0 0 0 0 12
H4 170-215 20.14 0 1 2 0 0 2 0 0 0 0 5
H4 215-232 20.08 0 2 2 3 2 0 2 0 0 0 11
H5 83-128 20.66 0 0 1 0 6 2 0 0 0 0 9
H5 128-173 20.12 0 4 7 3 1 0 0 1 0 0 16
H5 173-218 20.34 0 2 4 6 2 3 0 0 0 1 18
H6 81-126 20.16 0 2 4 3 1 1 2 0 0 0 13
H6 126-171 20.02 0 0 2 1 0 0 0 0 0 0 3
H6 171-216 20.62 1 1 4 0 1 0 0 1 0 0 8
H6 216-242 20.02 0 7 4 1 2 3 0 0 0 0 17
H7 77-122 20.24 0 0 4 2 1 0 0 0 1 0 8
H7 122-167 20.08 0 8 6 8 3 0 1 0 1 1 28
H7 167-212 20.2 0 0 7 5 2 1 3 0 0 0 18
H7 212-257 20.1 0 1 5 1 5 0 0 0 0 0 12
H7 257-302 20 0 3 6 3 2 1 3 0 0 0 18
H7 302-347 19.98 0 0 2 1 0 1 1 0 1 0 6
H7 347-392 19.96 0 0 3 1 1 2 0 0 0 1 8
H7 392-437 20.12 1 3 4 3 2 2 2 0 1 0 18
H7 437-482 20.6 0 6 3 1 2 0 1 0 0 0 13
TOTAL 403.88 2 40 78 48 38 20 15 2 4 3 250
KX36MiDA
24
Calcretized KimberliteWeathered KimberliteFresh Kimberlite
516m
Tonnage estimate of between 28Mt and 34Mt to base of Deposit(516m below surface)
KX36Completed Delineation Drilling
25
Extension of holes forGeotechnical assessment of wall rock
Total: 1,680m
Calcretized KimberliteWeathered KimberliteFresh Kimberlite
516m
Tonnage estimate of between 28Mt and 34Mt to base of Deposit(516m below surface)
KX36Planned Delineation Drilling(shallow & geotechnical)
26
Total: 1,920m
Calcretized KimberliteWeathered KimberliteFresh Kimberlite
516m
Tonnage estimate of between 28Mt and 34Mt to base of Deposit(516m below surface)
KX36Planned Delineation Drilling(intermediate & geotechnical)
27
Total: 2,400m
Calcretized KimberliteWeathered KimberliteFresh Kimberlite
516m
Tonnage estimate of between 28Mt and 34Mt to base of Deposit(516m below surface)
KX36Planned Delineation Drilling(deep)
28
CompletedIn ProgressPlanned
Total: 1,550m(+/- 740 tonnes)
Calcretized KimberliteWeathered KimberliteFresh Kimberlite
516m
Tonnage estimate of between 28Mt and 34Mt to base of Deposit(516m below surface)
KX36Initial 24” LDD Sampling
29
Total: 1,240m(+/- 590 tonnes)
KX36Proposed Infill 24” LDD Sampling
Calcretized KimberliteWeathered KimberliteFresh Kimberlite
516m
Tonnage estimate of between 28Mt and 34Mt to base of Deposit(516m below surface) 30
Some “Classics ”
• “No kimberlite has been intersected and it is consideredhighly unlikely that any kimberlites are located within thisarea”
• “It is quite possible that the grains recovered in this licensecome from elsewhere having been transported by aeolianand fluvial forces”
31
How many more? ……we’ve only just begun!
3232
15 km