The Use of Spectrographic Semiquantitative Analysis in Geological Exploration

CIM Bulletin1963
The use of spectrographic semiquantitative analysis has recently been of considerable value in establishing the geological relationships in a complicated orebody. The principal minerals found in the Mount Pleasant orebody are cassiterite, stannite, sphalerite, molybdenite, wolframite, chalcopyrite and galena, associated with arsenopyrite, pyrite and fluorite. In addition to the large number of minerals, a further complication is the non-uniform distribution of the economic minerals, with one mineral being the only one present in major amounts in one area and another mineral being predominant in another area. At the same time, all minerals are present to a minor extent throughout the deposit. This heterogeneity made it advisable to analyse all exploration samples thoroughly. Analysis by conventional means would have resulted in prohibitive costs. By the use of emission spectroscopy, however, it was possible to obtain, quickly and relatively inexpensively, a reasonably comprehensive picture of the orebody under investigation.
Keywords: analysis, cassiterite, Fredericton, stannite, tin, wolframite, Cost, Costs, mineral, minerals, tin, Value
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