Devices engineered to locate precious metals utilize electromagnetic fields to identify buried or hidden objects. These instruments are calibrated to detect specific metallic signatures, differentiating between ferrous and non-ferrous materials. For example, a device fine-tuned to identify the unique electromagnetic properties of elemental Ag and Au enables prospectors to uncover valuable items.
The capacity to pinpoint valuable commodities offers significant advantages in various applications. Historically, such technologies have aided in archaeological discoveries, treasure hunting, and industrial surveys. These instruments offer a non-invasive method for resource exploration and recovery, contributing to economic gain and historical preservation.