Biotite EDS spectrum, 15 keV e- beam, CSIRO 2015
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Measurement details
| Description | EDS spectrum of Biotite |
| Reference | Spectra from unpublished supplementary material for: Torpy A., Wilson N.C., MacRae C.M., Barnes S., and Verrall M. (2015), Characterising drill core mineralogy by micro-XRD mapping, AMAS XIII: the 13th Biennial Australian Microbeam Analysis Symposium: program and abstracts, Eds: Karsten Goemann, Leonid Danyushevsky and Jay Thompson, University of Tasmania, Hobart, February 2015. IBSN: 978-09580408-5-3. https://nla.gov.au/nla.obj-2477868828/view |
| Date measured | 2015-01-30 |
| Material | Biotite [ K(Mg, Fe)3AlSi3O10(OH, F)2 ] |
| Analysis technique | Energy dispersive x-ray spectrometry (EDS) |
| Instrument | JEOL 8500F |
| Probe | 15 keV electron beam |
| Beam current | 40.12 nA |
| Detector name | 2× Bruker XFLASH |
| Real time | 5995.68 s |
| Live time | 4756.75 s |
| Dead time | 20.6637 % |
| Channel count | 3096 |
| Energy range | -475.251 … 14984 eV |
| Gain | 4.99491 eV/channel |
| Intensity range | 5.866×106 counts |
| Integral | 5.0996×108 counts |
| Comment | EDS spectrum from unpublished supplementary material. |
| Measurement tags | Unpublished |
Specimen details
Specimen image
Clustered EPMA phase map of the KH-2 specimen (owner: S. Barnes, CSIRO Mineral Resources), from the Kharelakh intrusion, Noril'sk, Russia
(C) 2015 CSIRO Process Science and Engineering. All Rights reserved.
Composition
| Element | At% | Wt% |
|---|---|---|
| H | 8.1 | 0.41 |
| K | 4.6 | 9.02 |
| Mg | 11.49 | 14.02 |
| Fe | 2.3 | 6.44 |
| Al | 4.59 | 6.22 |
| Si | 13.79 | 19.44 |
| O | 53.98 | 43.36 |
| F | 1.15 | 1.1 |
| Total | 100 | 100 |