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This article covers the detectors capable of detecting natural gold (nugget). Almost all detectors capable of discriminating metals are able to identify gold-rich masses such as gold coins, jewelries such as bracelets, and treasures. As the nugget is usually found in difficult circumstances, in difficult terrain, gold detectors are the devices of choice under such circumstances.

The gold is naturally found in mineral rich and rocky terrains where other detectors may be deceived due to interference. The detectors built to operate on such soil composition and terrain are called gold detectors. The technological infrastructure of these detectors vary from ordinary detectors. Other detectors are designed so as to operate on more frequently found terrain. A standard detector takes into account the mineral-rich structures, yet is unable to operate efficiently on such terrains. Natural gold detectors, on the other hand, are designed from scratch with such terrains in mind. They require much more sensitivity compared to other detectors. In particular, sliver amounts of gold nugget can be found next to mineral-rich rocks, below such rocks, or attached to such rocks. It is not usually possible to spot these using a standard detector.

Gold's characteristics and reference values place it in close proximity of other types of metals on the scale of metals. Gold Detectors are designed and produced to offer high level of sensitivity to such reference values. The most discriminating characteristic of gold detectors is the ability to ignore other elements, and focus merely on gold and related metals. In other words, the gold detectors should be able to find even a sliver of nugget covered under rocks and stones. Gold detectors should operate with consistency in the face of high mineral levels which can show up as anomalies in the soil composition, while preserving the depth and power specifications. This requires the state of the art technology, advanced engineering, and a wealth of experience.

Not only the device itself, but all components from coils to cables, from motherboard to analog card, to software, all details have been designed in conclusion of hundreds, even thousands of trials, based on causality analyses, and only produced on the basis of such designs.

Gold differs from other metals and magnetic materials in the environment, with its distinctive self-resistance and inductance per unit length. Therefore it has different time constants. In this vein, the surfaces where gold is found should also differ from average surfaces on these respects.

A typical treasure scanner or single coin detector is designed to offer sensitivity at a level equal to a variety of targets in an average terrain. On the other hand, gold detectors are optimized to achieve perfect discrimination of gold vis-à-vis the impurities which can be found in the surface scanned.

Gold detectors are built on a pedestal of methods, technologies, detailed calculations and accumulated knowledge to achieve such discriminating scans. The design of the detector to achieve these goals determines whether it will be able to detect gold in the terrain, or not.

For instance, the targets of treasure scanners are usually objects of relatively large mass. Treasure scanners capable of discriminating among metals allow it to determine the metal dominant in the composition of such objects, i.e. steel, iron, or copper. As the object is relatively large, it is easier to spot, allowing even finds at deeper levels. A study of the history reveals that the treasures are found usually on lands inhabited by men, whereas gold is usually found in arid, uninhabited, rocky and mineral-rich terrains.

However, single coin detectors are capable of achieving very good results in medium depth and surface scans. In particular, their capability of discriminating metals and ignoring iron allows the user to avoid digging for unnecessary objects, reaching to the target with utmost ease and accuracy. It is not only possible, but also relatively simple to find, using these detectors, metal coins and similar targets scattered around and buried in time, or hidden soil. Single coin detectors are able to find not only coins or similar targets, but also precious metals and gold, with the same level of precision.

Due to the abovementioned reasons, the use cases of detectors vary significantly.

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