OKM FS Future Series User Manual page 52

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◦ Clay is probably the number one foe. Depending on the iron content of the clay will
determine how strong the attenuation will be. A quick rule of iron content is how dark it is, it
can vary from a light gray up to a dark orange. The darker the more iron it will have in it.
◦ Sand is usually very clear and easy to hunt in. There are two factors of sand that need to be
noted. Sand where the ground water is very shallow, meaning that the ground water is
usually just a couple of meters from the surface or desert sand where it is very arid. In
desert sand, the targets can be situated 3x deeper than indicated.
◦ Farmland is another area to take note of. In modern farms, so many nutrients and fertilizers
are introduced creating an unnatural area of mineralization.
◦ Rocky mountainous areas. Areas with many mountains are also riddled with patches of
mineralization. Mountainous areas are created from faults in the earth and this is probably
the biggest area for natural treasures as well as mineralization.
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