GoldMining Inc.
For the period ended Jul 31, 2026. Filed Jul 22, 2026.
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Jul 31, 2026 · Filed Jul 22, 2026
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Contents
EX-99.2 · Table 16.21 - Basic Project Parameters
Table 16.21 - Basic Project Parameters
| Item | Unit | Value |
|---|---|---|
| 1. Work Schedule | ||
| Mining and Crushing | ||
| Days per year | day | 365 |
| Shifts per day | shifts | 3 |
| Hours per shift (average) | h /d | 8 |
| Break time per day (meals/rest) | h | 2.25 |
| Number of crews | nº | 4 |
| Absenteeism rate (including vacation)% | 16.5% | |
| 2. Material Densities and Moisture (in situ) | ||
| Average Density | ||
| Dry basis | ||
| Mineralized Material | t/m3 | 2.56 |
| Waste | t/m3 | 2.37 |
| Fresh Rock Density | ||
| Dry basis | ||
| Mineralized Material | t/m3 | 2.70 |
| Waste | t/m3 | 2.70 |
| Average Moisture | ||
| Mineralized Material | % | 5% |
| Waste | % | 5% |
| 3. Swell, Spreading and Compaction | ||
| 3.1 Swell | ||
| Mineralized Material and Waste | % | 25% |
| 3.2 Waste Compaction | % | 10% |
| 3.3 Material spread by dozer | % | 75% |
| 4. Pit Parameters | ||
| Bench height (blasting) | ||
| Mineralized Material | m | 10 |
| Waste | m | 10 |
| Maximum road gradient | % | 10% |
| 5. Blasting | ||
| Explosive | ||
| Density (Emulsion) | g/cm3 | 1.10 |
| Stemming Mineralized Material | m | 1 |
| Stemming Waste | m | 1 |
| Hole filling factor | % | 100% |
| 6. Main Equipment | ||
| Drill rig / air compressor | ||
| Hole diameter Mineralized Material | pol | 4.0 |
| Hole diameter Waste | pol | 4.0 |
| Hole inclination | º | 0 |
| Subdrilling | % | 10% |
| Penetration rate | m/h | 36 |
| GoldMining Inc. NI 43-101 Report – São Jorge Project | Page 208 |
|---|
| Item | Unit | Value |
|---|---|---|
| Vf/Vp factor | % | 60% |
| Drill pattern | ||
| Burden Mineralized Material | m | 3.00 |
| Spacing Mineralized Material | m | 5.00 |
| Burden Waste | m | 4.00 |
| Spacing Waste | m | 6.00 |
| Hydraulic excavator - Mineralized Material | ||
| Bucket capacity Mineralized Material | m3 | 1.8 |
| Bucket capacity Waste | m3 | 3.6 |
| Average cycle time | s | 30 |
| Bucket fill factor | % | 95% |
| Haul truck - Mineralized Material | ||
| Payload capacity | t | 19 |
| Body volume | m3 | 12 |
| Haul truck - waste | ||
| Payload capacity | t | 40 |
| Body volume | m3 | 25 |
| 7. Equipment Performance Factors | ||
| Drill | ||
| Physical availability | % | 80% |
| Utilization | % | 65% |
| Hydraulic excavator | ||
| Physical availability | % | 85% |
| Utilization | % | 78% |
| Truck | ||
| Physical availability | % | 85% |
| Utilization | % | 80% |
| 8. Operational Efficiency Factors | ||
| Hourly efficiency | % | 90.0% |
| Overall operating efficiency | % | 95% |
| Weather factor | % | 100% |
| 9. Truck Speeds | ||
| Truck - mine/plant and mine/waste dump | ||
| Loaded (haul) | km/h | 25 |
| Empty (return) | km/h | 30 |
| 10. Fixed Truck Times | ||
| Spotting/loading manoeuvres | min | 1.00 |
| Dumping including manoeuvre | min | 1.25 |
| Fleet rounding limit | % | 3% |
| GoldMining Inc. NI 43-101 Report – São Jorge Project | Page 209 |
|---|
16.13.4** Mining Fleet Sizing**
The sizing of the main mining equipment fleet was based on the operational parameters presented in the previous section. The equipment was sized to perform excavation, loading, and haulage of material from the mining faces to the primary crusher and waste rock dumps. The fleet sizing reflects average operating conditions and does not consider short-term operational variability.
The following tables present the calculation basis used for fleet sizing, as well as a summary of the resulting equipment fleet (Table 16.22 to Table 16.27).
| GoldMining Inc. NI 43-101 Report – São Jorge Project | Page 210 |
|---|
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