Choosing a gold detector for lateritic soil
Across the gold belts of West and Central Africa, the dominant ground is laterite — a deep red, iron-rich soil that is one of the most challenging environments a detector can face. The same mineralisation that hosts gold also floods a detector with false signals.
Why cheap detectors struggle
Entry-level VLF machines read the iron content of laterite as a constant target. Without strong ground-balancing, the operator hears a wall of noise and loses the faint, real signals underneath it.
- Pulse induction (PI) largely ignores mineralisation and reaches deep.
- High-frequency VLF with manual ground balance excels on small, shallow nuggets.
- Long-range locators help cover vast ground before you detail-scan a zone.
A practical rule of thumb
If your ground is hot and you are chasing depth, start with PI. If you are working known shallow wash for small gold, a high-frequency VLF will out-perform it. Many serious operators carry both — and that is exactly the pairing we recommend most often to our customers in Mali and Sudan.
Match the machine to the mineralisation, not to the price tag.
Whatever you choose, ground-balance properly and sweep slowly. The gold has waited a long time; another careful pass costs nothing.
