Muscovite CL spectrum, 20 keV e- beam, Torpy et al. 2020
Measurement details
| Description | CL spectrum of Muscovite 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 | Muscovite [ KAl2(Si3Al)O10(OH)2 ] |
| Specimen | Tista 2020 D4 Zircon conc [CSIRO], Teesta River, Bangladesh |
| Technique | Cathodoluminescence (CL) |
| Instrument | JEOL 8500F |
| Probe | 20 keV electron beam |
| Beam current | 69.95 nA |
| Probe diameter | 2 μm |
| Acquisition time | 13.099 s |
| Channel count | 1024 |
| Wavelength range | 348.233 … 730.123 nm |
| Intensity range | -64.9069 … 6940.94 counts |
| Integral | 1.4615×106 counts |
| Related measurement | Muscovite EDS spectrum, 20 keV e- beam, Torpy et al. 2020 (co-measured) |
Composition
| Element | Atoms | At% | Wt% |
|---|---|---|---|
| K | 1 | 4.76 | 9.82 |
| Al | 3 | 14.3 | 20.3 |
| Si | 3 | 14.3 | 21.2 |
| O | 12 | 57.1 | 48.2 |
| H | 2 | 9.52 | 0.506 |
Measurement spectrum
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Measurement image
CL spectrum of Muscovite from the Tista River, Bangladesh