Plagioclase EDS spectrum, 20 keV e- beam, Torpy et al. 2020
Measurement details
| Description | EDS spectrum of Plagioclase, from the Tista River, Bangladesh |
| Reference | Torpy et al. 2020 Torpy, A., Wilson, N., MacRae, C., Pownceby, M., Biswas, P., Rahman, M., & Zaman, M. (2020). Deciphering the Complex Mineralogy of River Sand Deposits through Clustering and Quantification of Hyperspectral X-Ray Maps. Microscopy and Microanalysis, 26(4), 768-792 https://doi.org/10.1017/S143192762000135X |
| Date measured | 2018-05-07 |
| Material | Plagioclase [ (Na, Ca)[(Si, Al)AlSi2]O8 ] |
| Specimen | Tista 2020 D4 Zircon conc [CSIRO], Teesta River, Bangladesh |
| Technique | Energy dispersive x-ray spectrometry (EDS) |
| Instrument | JEOL 8500F |
| Probe | 20 keV electron beam |
| Beam current | 69.95 nA |
| Probe diameter | 2 μm |
| Detector name | 2× Bruker XFLASH |
| Det. technology | Silicon drift detector (SDD) |
| Takeoff angle | 40° |
| Max. throughput | 260 kcounts/s |
| Real time | 42.7367 s |
| Live time | 26.876 s |
| Dead time | 37.1126 % |
| Channel count | 4096 |
| Energy range | -477.548 … 19994.5 eV |
| Gain | 4.99928 eV/channel |
| Intensity range | 186648 counts |
| Integral | 9.3203×106 counts |
| Related measurement | Plagioclase CL spectrum, 20 keV e- beam, Torpy et al. 2020 (co-measured) |
Composition
| Element | Atoms |
|---|---|
| Na | 0-1 |
| Ca | 0-1 |
| Al | 1-2 |
| Si | 2-3 |
| O | 8 |
Measurement spectrum
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