Orsco

Locating Potential Grave Positions Using GPR

Project Overview

  • Client: Mvelase Attorneys
  • Location: Bizana area, Eastern Cape, South Africa
  • Objective: To locate potential unmarked graves using Ground Penetrating Radar (GPR)
  • Equipment: Proceq GS8000 PRO GPR system

 

Methodology

  • Survey Area: The survey was conducted across six grids in the specified area.
  • GPR Data Collection: The GS8000 PRO system was used to collect GPR data across the survey area.
  • Data Analysis: The collected data was analyzed to identify anomalies that could indicate potential grave sites.

Findings

  • Anomalies Detected: Anomalies were detected in three of the six grids surveyed: G002, G003, and G004.
  • Depth: The maximum depth of the detected anomalies was 1.7 meters.

Innovative Approach: Depth Slices

To enhance the interpretation of the GPR data, ORSCO utilized advanced software to create depth slices. This innovative approach provides a clearer and more intuitive visualization of subsurface features, making it easier to differentiate between relevant and irrelevant targets.

By presenting the data as a series of map images, depth slices offer a more comprehensive understanding of the subsurface environment. This enables more precise and actionable insights, particularly when dealing with large data sets.

Conclusion

The GPR survey conducted by ORSCO successfully identified potential grave sites in the Bizana area. The use of advanced data analysis techniques, such as depth slices, significantly improved the accuracy and efficiency of the interpretation process. This case study demonstrates the valuable role that GPR can play in locating unmarked graves and preserving historical sites.