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Back to Gold - Methode EXPLO-MINE
Exploitation of advantages of this method is conditioned by the installation of the field laboratory, making possible to provide continuous service for 1-3 field geological and sampling crew.
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Field laboratory staff:
- laboratory specialist (geologist) experienced in mineralogy (EXPLO-MINE)
- 1 semi-skilled shift foreman
- 3-8 laboratory workers (depending on the sample type and volume)
- 1 cook
- 1 night watchman
| Technical background: |
simple equipment of the gravity and mineralogical laboratory, water resource, electric power supply (from el. network or generating station, with power min. 1.5 - 2.5 kW) |
Standard laboratory operations:
- refinement (100 % -1 mm)
- screening and grain-size analysis
- panning or other gravity procedures (depending on the laboratory equipment)
- weighing
- quartation
- magnetic separation
- preparation of sample quarts for the further analyses (50-200 g/grain size fraction)
- treatment of technology samples (refinement, screening, sluicing)
- quantitative mineralogical analyses for gold
- complementary mineralogical analyses (heavy minerals)
- gold weighing, re-calculation of the gold content in the gravity concentrate
- sample packing, recording and storage
Sample types and laboratory capacity:
- sediments and laterite residue 30-70 samples/day (0.4 - 0.8 m3)
- rock samples 30-70 samples/day (120 - 280 kg)
- technology samples and breakup of primary ore (400 - 1 000 kg/day)
- technology samples and samples from tailings after mining (1 - 5 tons/day)
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