The uncertainty of measurement in quantitative XRF analysis by the scattered radiation method was evaluated following internationally accepted guidelines. Calculations are illustrated by taking up measurement data for the particular example of determination of the minor concentration of a heavy elem
Quantitative evaluation of color measurements: I. Triaxial stereoscopic scatter plots
โ Scribed by Neil A Wells
- Book ID
- 104165336
- Publisher
- Elsevier Science
- Year
- 2002
- Tongue
- English
- Weight
- 856 KB
- Volume
- 151
- Category
- Article
- ISSN
- 0037-0738
No coin nor oath required. For personal study only.
โฆ Synopsis
Too frequently, geologists collect many color measurements but do little with them quantitatively. However, the three parameters of Munsell colors (hue, lightness and chroma) can usefully be plotted on 3D stereoscopic scatter plots (i.e., XYZ graphs that use stereoscopic depth to portray the third dimension). Graphical presentation of all three variables in one diagram permits quick and easy visual comparisons of ranges, clustering and absolute values of colors of different formations, soils or rock types. Although the subject of sedimentary colors seems too complex to talk of diagnostic color fields for specific depositional environments, examples drawn from around the world show how easily stereoplots can demonstrate narrow color ranges associated with some soil types and with some facies in specific formations.
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