Slide 1: Introduction and Terms of Reference; Disclaimer
Graph 3_1 Mupane LOM Sensitivity Analysis 4 INTRODUCTION AND TERMS OF REFERENCE The authors of this report have been requested by IAMGold Corporation to prepare a Technical Report compliant with NI43-101 on the Mupane Gold Project in support of the proposed transaction between IAMGold Corporation an
Slide 2: Property description and accessibility
Figure 6.1 Showing all relevant geographical and topographical features of the Mupane Project Gold production in Botswana is subject to a national government royalty of 5% net smelter return paid monthly. In addition, there is an annual fee payable to the Department of Mines for the Mining License.
Slide 3: Location of the Mupane Project in Botswana; History
Figure 7.1 – Location of the Mupane Project in Botswana 8 HISTORY Gallery Gold Limited purchased the then operating Monarch Mine (now closed) in the Tati Greenstone Belt (TGB) in 1994. The company then conducted small scale mining operations at Monarch and in the Golden Eagle area until mid-1998. In
Slide 4: Geology of the Zimbabwe Craton and Tati Greenstone Belt
Figure 9.1 Geology of the Zimbabwe Craton showing location of the Tati Greenstone Belt (TGB) on the western side of the craton The TGB consists of a sequence of mafic to felsic volcanics and intercalated sediments forming a NW-SE trending belt striking for 55km and approximately 10km in width. The b
Slide 5: General geology of the TGB
Figure 9.2 General geology of the TGB The Last Hope formation is dominated by arenaceous units towards the centre of the basin and the top of the sequence but becomes generally finer grained and more pelitic with intercalated carbonate bearing rocks towards the base. A series of “iron formations” fo
Slide 6: Generalized geology of the Mupane region
Figure 11.1 Generalized geology of the Mupane region The ferruginous chert-pelite units hosting the mineralization show a clear alteration history. The protolith for most of the material appears to have been a variably carbonaceous pelite/semi pelite unit. During diagenesis this unit underwent sever
Slide 7: Geological plan of the Tau orebody; Exploration
Figure 11.2 A. Geological plan of the Tau orebody at surface and projected, B and C geological x-sections through the Tau orebody (section lines shown on figure 11.2 A) 12 EXPLORATION History In 1994 Gallery Gold Limited purchased the then operating Monarch Gold Mine in the TGB on the outskirts of t
Slide 8: Gold-in-soil anomalism from soil sampling programmes
Figure 12.1 showing location of major gold-in-soil anomalism defined by Gallery Gold soil sampling programmes The reconnaissance soil geochemical work quickly defined several new and prominent anomalies together with a large number of anomalies associated with old workings (Figure 12.1). One of thes
Slide 9: Soil sampling points and geology of the Mupani Gold Mine
Figure 12.2 showing location of soil sampling points and geology of the Mupani Gold Mine
Slide 10: Gold-in-soil anomalism on the Mupani Mining Leases
Figure 12.3 Showing location of major gold-in-soil anomalism defined by Gallery Gold soil sampling on the Mupani Mining Leases
Slide 11: Copper anomalism from soil sampling
Figure 12.4 Showing location of copper anomalism defined by Gallery Gold soil sampling on the Mupani Mining Leases
Slide 12: Lead anomalism from soil sampling
Figure 12.5 Showing location of lead anomalism defined by Gallery Gold soil sampling on the Mupani Mining Leases
Slide 13: Zinc anomalism from soil sampling
Figure 12.6 Showing location of zinc anomalism defined by Gallery Gold soil sampling on the Mupani Mining Leases
Slide 14: Nickel anomalism from soil sampling
Figure 12.7 Showing location of nickel anomalism defined by Gallery Gold soil sampling on the Mupani Mining Leases
Slide 15: Location of initial resource drilling
Figure 12.8 Showing location of initial resource drilling on the Mupani Mine
Slide 16: Mine lease area geology on Max-Min Dip Conductor data
Figure 12.9 Mupani Mine lease area geology superimposed on Max-Min Dip Conductor data Survey Control Topographic survey control over Mupane was completed in 1999 by a subsidiary of GEODASS South Africa. A grid was emplaced on a 100 x 50m pattern using a Real Time DGPS. A local base station was estab
Slide 17: Field Procedures
Field Procedures Trenches were mainly dug using a JCB backhoe or similar. They were geologically mapped and generally marked in one metre sample intervals. Sampling was by way of horizontal channelling, taking approximately 3kg per sample. Sample start points were marked by length along the trench a
Slide 18: Tau RC sample recoveries, Phase 1
Figure 14.2: Tau RC sample recoveries, 1m composites, Phase 1 drilling
Slide 19: Tau RC sample recoveries, mineralized composites, Phase 1
Figure 14.3: Tau RC sample recoveries, mineralized 1m composites, Phase 1 drilling
Slide 20: Tau RC sample recoveries, Phase 2
Figure 14.4: Tau RC sample recoveries, 1m composites, Phase 2 drilling
Slide 21: Tau RC sample recoveries, mineralized composites, Phase 2
Figure 14.5: Tau RC sample recoveries, mineralized 1m composites, Phase 2 drilling
Slide 22: Tau RC sample recoveries, Phase 3
Figure 14.6: Tau RC sample recoveries, 1m composites, Phase 3 drilling
Slide 23: Tau RC sample recoveries, mineralized composites, Phase 3
Figure 14.7: Tau RC sample recoveries, mineralized 1m composites, Phase 3 drilling
Slide 24: Tau RC sample recoveries, Phase 4
Figure 14.8: Tau RC sample recoveries, 1m composites, Phase 4 drilling
Slide 25: Tau RC sample recoveries, mineralized composites, Phase 4
Figure 14.9: Tau RC sample recoveries, mineralized 1m composites, Phase 4 drilling
Slide 26: Tau RC sample recoveries, Phase 5
Figure 14.10: Tau RC sample recoveries, 1m composites, Phase 5 drilling
Slide 27: Tau RC sample recoveries, mineralized composites, Phase 5
Figure 14.11: Tau RC sample recoveries, mineralized 1m composites, Phase 5 drilling
Slide 28: Tau RC sample recovery versus gold grade; Kwena
Figure 14.12: Tau RC sample recovery versus gold grade in 1m composites Kwena Figures 14.13 and 14.14 show histograms of sample recoveries in all Kwena RC drill samples and in sample intervals reporting gold grades of 0.2g/t or greater, respectively. At around 70 per cent, sample recoveries are good
Slide 29: Kwena RC sample recoveries in 1m composites
Figure 14.13: Kwena RC sample recoveries in 1m composites
Slide 30: Kwena RC sample recoveries in mineralized composites
Figure 14.14: Kwena RC sample recoveries in mineralized 1m composites
Slide 31: Kwena RC sample recovery versus gold grade; Tholo
Figure 14.15: Kwena RC sample recovery versus gold grade in 1m composites Tholo Figures 14.16 and 14.17 show histograms of sample recoveries in all Tholo RC drill samples and in sample intervals reporting gold grades of 0.2g/t or greater. Average sample recoveries of about 72 per cent in both waste
Slide 32: Tholo RC sample recoveries in 1m composites
Figure 14.16: Tholo RC sample recoveries in 1m composites
Slide 33: Tholo RC sample recoveries in mineralized composites
Figure 14.17: Tholo RC sample recoveries in mineralized 1m composites
Slide 34: Tholo RC sample recovery versus gold grade; Core Recoveries
Figure 14.18: Tholo RC sample recovery versus gold grade in 1m composites Core Recoveries Recovered core length was measured by geologists for each drill run and the ratio of recovered length to run length expressed as a percentage core recovery. For this investigation, those percentages were weight
Slide 35: Core recoveries in 1m composites, oxide
Figure 14.19: Core recoveries in Tau, Kwena and Tholo 1m sample composites, oxide
Slide 36: Core recoveries, transition zone
Figure 14.20: Core recoveries in Tau, Kwena and Tholo 1m sample composites, transition zone
Slide 37: Core recoveries, fresh rock
Figure 14.21: Core recoveries in Tau, Kwena and Tholo 1m sample composites, fresh rock
Slide 38: Core recovery versus gold grade, oxide
Figure 14.22: Core recovery versus gold grade, oxide core samples
Slide 39: Core recovery versus gold grade; Sampling and Assaying Protocols
Figure 14.23: Core recovery versus gold grade, transition and fresh rock core samples Sampling and Assaying Protocols Descriptions of sampling and assaying protocols for each of Gallery’s trenching and drilling programs, along with notes concerning specific check sampling campaigns, are given below:
Slide 40: Assays of blank controls, Phase IV
Figure 14.24: Assays of blank controls inserted in Phase IV samples
Slide 41: Assays of blank controls, Phase V; Reference Standards
Figure 14.25: Assays of blank controls inserted in Phase V samples Sampling and Assaying Accuracy – Reference Standards Samples of certified reference material (“standards”) were inserted in batches of samples from Phase IV and Phase V programs at frequencies of 1:50 and 1:20, respectively. Referenc
Slide 42: Assays of reference standards, Phase IV
Figure 14.26: Assays of reference standards inserted in Phase IV samples
Slide 43: Reference standards Phase V; RC Field Re-split Samples
Figure 14.27: Assays of reference standards inserted in Phase V samples Sampling and Assaying Precision – RC Field Re-split Samples Submitting second splits of RC drill samples provides a means of measuring the relative error arising out of the entire sampling and assaying process. Poor sampling pre
Slide 44: Tau, Kwena and Tholo RC field re-split pairs
Figure 14.28: Tau, Kwena and Tholo RC field re-split pairs
Slide 45: Field re-split pairs; Pulp Duplicate Samples
Figure 14.29: Tau, Kwena and Tholo field re-split pairs Sampling and Assaying Precision – Pulp Duplicate Samples Assaying a second portion of sample pulp, created as a duplicate split after the sample preparation process, allows the sum of errors arising at that sub-sampling point and all subsequent
Slide 46: Tau Phase IV diamond core pulp duplicates
Figure 14.30: Tau Phase IV diamond core pulp duplicates
Slide 47: Tau, Kwena and Tholo RC pulp duplicates
Figure 14.31: Tau, Kwena and Tholo RC pulp duplicates
Slide 48: RC pulp duplicates; Laboratory Replicates
Figure 14.32: Tau, Kwena and Tholo RC pulp duplicates Sampling and Assaying Precision –Laboratory Replicates Replicate assays, performed routinely by laboratories on a second aliquot of sample pulp, provide a means of quantifying the error arising at the pulp sub-sampling stage (usually dipping 50g
Slide 49: Laboratory replicate assays, Phase I
Figure 14.33: Laboratory replicate assays, Tau, Kwena and Tholo phase I sampling
Slide 50: Laboratory replicate assays, Phase II
Figure 14.34: Laboratory replicate assays, Tau, Kwena and Tholo Phase II sampling
Slide 51: Laboratory replicate assays, Phases IV and V
Figure 14.35: Laboratory replicate assays, Tau, Kwena and Tholo phases IV and V sampling
Slide 52: Laboratory replicate assays, Phases IV and V (continued)
Figure 14.36: Laboratory replicate assays, Tau, Kwena and Tholo phases IV and V sampling Gallery have not drilled diamond core holes specifically to twin RC drill holes at any of the Mupane prospects. The number of diamond core holes at Tau does, however, furnish an opportunity to compare the tenor
Slide 53: Percentiles of RC and core sample gold grades; Sample Preparation
Figure 14.37: Percentiles of RC and core sample gold grade populations, Tau fresh mineralized GIF 15 SAMPLE PREPARATION, ANALYSES AND SECURITY Sample Preparation A Sample preparation unit arrived from Perth, Australia, during the first half of 2001. It is a self- contained unit with drying oven, rin
Slide 54: Flow sheet for sample preparation; Assays laboratories
Figure 15.1 Flow sheet for sample preparation at Gallery Gold Botswana Assays Laboratories Used During the life of the project, four laboratories have been used for drilling and trenching samples. B & B Labs was the primary lab for Phase 1. After concerns expressed about the quality of the analytica
Slide 55: Gold-in-soil anomalism; Mineral Processing and Metallurgical Testing
Figure 19.1 Showing location of major gold-in-soil anomalism defined by Gallery Gold soil sampling programmes As well as the prominent anomaly defining the Mupani mineralization a large number of other gold and arsenic anomalies were detected within the TGB (Figure 19.1). Of these follow up work ide
Slide 56: Mupane Processing Plant Block Flow Diagram
Figure 18.1 Mupane Processing Plant Block Flow Diagram As seen in Figure 18.1 above, the process flow sheet for Mupane comprises a comminution circuit consisting of a primary jaw crusher followed by 2 stage milling via a SAG mill and a ball mill. The resultant slurry is then thickened and fed into a
Slide 57: Mupane LOM Sensitivity Analysis
Graph 23_1 Mupane LOM Sensitivity Analysis The project is most sensitive to changes in the gold price. Sensitivity to variance in the gold price is synonymous with the effect of variance in the process gold recovery rate and/or the gold grade. On the basis of forecast cash flows, including costs of