Grass Roots Exploration
 
High-quality base map
Locate historical workings or old roads for easier access
Lineament Analysis
Determine ice flow direction
Map-resistant (or recessive) lithologies, faults or veins
Locate or follow veins/faults/contacts/dykes even under heavy forest canopy
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Advanced Exploration
 
Locate potential drill sites
Plan drill access routes
Plot accurate drill sections (more likely to get correct interpretation)
Archaeology / Environmental studies
Locate illegal miners
Better topography for geophysics (especially Gravity)
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Resource Evaluation
 
Accurate and detailed topo leads to more accurate resource model
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Engineering Construction Phase
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Slope maps / Topo maps / Wet vs Dry soil maps
Roads / power line routes
Plan Tailings Storage Facilities
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Resource Extraction
 
Accurately measure volume of rock removed from pit
Measure remaining capacity of tailings storage
Measure volume of ore / waste piles