Garrett AT Gold Owner's Manual

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52 Garrett Metal Detectors AT Gold ™ 53PrOSPeCTING TIPSGold and other precious metals can be found in variousforms with an AT Gold. you will most likely be searching fornuggets, but gold can also be found as lode or hard rockdeposits in a vein, usually mixed with other minerals. The ATGold can be used to locate placer deposits in streams or drysand, with such gold then recovered by panning.Gold is generally found in rock formations with a greatmany other conductive and ferrous minerals. For best resultsin mineralized ground, the AT Gold should be operated in theAll MeTAl Mode and should be precisely ground balanced.This is particularly important when searching for tiny goldnuggets.Although some electronic prospectors may experiencesuccess in using one of the AT Gold's two discriminationmodes to locate larger nuggets, the detector will not respondas well to tiny nuggets in these modes as it will in its AllMeTAl Mode. Heavy ground mineralization could also limitdepth of detection in one of the discrimination modes.Hot rocks are a common problem for electronic prospectors.A "hot rock" can be described as a concentration of ironmineral that causes a detector to recognize it as metal. (referto the "Advanced Tips and Techniques" section for details onhow to minimize the effects of hot rocks.)Higher amounts of iron mineralization can often pointtoward better gold-producing areas. Magnetite black sandis often associated with gold deposits, so investigate blacksand areas knowing that the gold discovery potential isgreater in these locations.expect to dig small pieces of nonferrous trash metalitems such as lead, brass, and aluminum while prospecting.Finding these items while prospecting is reassurance thatyour detector will also find gold targets of the same size.Iron objects should be ignored only with extreme care, astiny pieces of gold can sometimes read like iron in highlymineralized ground. The AT Gold's Iron Audio feature canhelp to distinguish true iron targets in many cases.Carry a magnet to help discriminate gold from iron and hotrocks. Gold will not be attracted to a magnet but pieces ofiron and many hot rocks will be attracted.Hard work, patience and research are three of the keysto success in electronic prospecting. research is importantbecause it is vital that gold always be sought in areas whereit is known to exist. Consider joining a prospecting clubsuch as the Gold Prospector Association of America (GPAA)in order to participate in sponsored group outings in goldterritories.