Distribution of Cu element in the sedimentary rocks and minerals

Observe the change of the elements in the sample are very important to understand the geological processes and ore deposit genesis.The SEM is usedXRF dual-source system can be in micro areaLarge area element on X-ray surface analysis, which displayed on the PPM scale primary, secondary and trace elements.

The picture shows the micro area XRF from copper deposits in the sample area X-ray images (45 X 30 was), showed that copper (red), calcium (green), manganese (blue), silicon (purple) and chloride (dark green) distribution information of elements.In addition, in this sample, can detect the electron beamEDSBecause of low concentration and/or related elements of high energy line can't detect trace elements.This information can better understand their distribution, for the texture and mineralogy, and deposit genesis research lay the foundation.

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Copper deposits samples using the -xtrace of large area X ray analysis (45 mm X 30 mm) (analysis parameters: 50 kV Rh tube voltage, anode current 600 mu A, pixel spacing 25 microns, analysis time 101 minutes).Top left: quantitative Cu element surface analysis (QMap);Top right: hybrid element strength figure;Bottom left: phase diagram (P1 Chrysocolla - red;The P2 Atacamite - green;P3 Cu, Mn wadden - blue;P4 carbonate - sky blue);Trace element strength figure of Sr (blue) and Co (yellow);Total X-ray intensity figure (similar to BSE image and grey).