Reports

Comparison of Surveying Methods

In complicated surveying situations, determining the best survey method can be difficult. This report examines the four survey methods, and it identifies seven crucial factors to consider when selecting a survey method.

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Satellite Surveying as a Best Practice in Mining

This report describes various surveying methods with a focus on mining applications. It describes situations where satellite surveying offers an advantage over other survey methods.

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Accuracy Study of Satellite Surveying with Few Ground Control Density

PhotoSat elevation grids derived from photo pairs remain highly accurate, even when ground control point density is low.  This report shows the relationship between ground control point density and survey elevation accuracy.

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Monitoring TSF Construction and Operations with Regular Satellite Surveying

This report shows how monthly satellite surveying can be used to monitor TSF construction and operations. PhotoSat surveying provides an independent and auditable record that can facilitate future modifications of TSFs.

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Comparison of Satellite Surveying and LiDAR over the Garlock Fault (WV-3)

This accuracy study examines a satellite survey over the Garlock Fault in California. Using satellite surveying, PhotoSat produced a 1m grid of elevation values, covering 150 km2, and compared the results with a highly accurate LiDAR survey.

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Survey Errors in Mining Projects: Causes and Solutions

This report examines the worst survey errors in mining projects, from their root causes to solutions. It describes mining projects where undetected survey errors led to serious and costly delays in feasibility studies.

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Resolving Survey Errors for Drill Collar Coordinates

This case study shows how satellite surveying was used to address survey errors from 3 separate data sets. The updated survey facilitated the PEA and feasibility studies for the Diablillos project in Argentina.

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Maximizing TSF Capacity and Freeboard with Satellite Surveying

This report shows how monthly satellite surveying can be used to monitor TSFs and maximize their capacity. It describes how PhotoSat measures tailings beach lift thicknesses and volumes.

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