As State Geologist of Alabama, Walter B . Jones directed research on many topics including economic minerals, surface and groundwater, petroleum, geologic mapping, fossils, caves, and archaeology.
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Also, the formation of this type of chemical assemblage is commonly located near phosphate and rare-element deposits, giving it another important characteristic as a good indicator to where more economic minerals can be found.
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For an artisanal miner to increase their use of better technologies there a few influencing factors that they take into place : ( 1 ) increased or comparable simplicity, ( 2 ) quick recovery of the economic mineral, and ( 3 ) demonstrated financial gain.
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Exploration continues within the West Coast region for further economic mineral deposits, and due to the complexity of the geology, there is always the possibility that new mines will open : the Henty Gold Mine is a good example as it commenced operation in the 1990s.
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"Indicated resources " are simply economic mineral occurrences that have been sampled ( from locations such as outcrops, trenches, pits and drillholes ) to a point where an estimate has been made, at a reasonable level of confidence, of their contained metal, grade, tonnage, shape, densities, physical characteristics.
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