Mathematics – Logic
Scientific paper
Jan 1962
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1962gecoa..26..131h&link_type=abstract
Geochimica et Cosmochimica Acta, vol. 26, Issue 1, pp.131-143
Mathematics
Logic
Scientific paper
The present paper outlines a mechanical method for handling geochemical data. A specimen's chemical, geographical, geological, and mineralogical data are noted on a mechanical card, using a novel system of scales and codes. A standardized and rapid method of notation is employed. By arranging the cards in the simplest type of sorter, it takes little time to find and re-group data obtained from very different sources, to draw up distribution histograms and make correlations. A number of practical details and concrete examples are given for a set of cards dealing with geochemical research in the former Belgian Congo and Ruanda-Urundi. In order to note contents with reference to the degrees of accuracy involved six different scales are utilized. These are made up of geometrical progressions with the following ratios: 10 -1 , 10 -1/2 , 10 -1/3 , 10 -1/9 , 10 -1/27 and 10 -1/81 . The advantage of this system is that the accuracy of an analysis and the relevant interpretation can be matched. The use of geochemical cards simplifies the work of the geochemist, provides him with new possibilities and a more exact method of interpretation.
Herman Pavel
Hubaux A.
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