Forsterite EDS spectrum, 15 keV e- beam, CSIRO 2015
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Measurement details
| Description | EDS spectrum of Forsterite from Kharelakh intrusion, Noril'sk, Russia |
| Reference | Spectra from unpublished supplementary material for: Torpy A., Wilson N.C., MacRae C.M., Barnes S., and Verrall M. (2015), Characterising drill core mineralogy by micro-XRD mapping,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 | Forsterite [ Mg2SiO4 ] |
| Analysis technique | Energy dispersive x-ray spectrometry (EDS) |
| Instrument | JEOL 8500F |
| Probe | 15 keV electron beam |
| Beam current | 40.12 nA |
| Probe diameter | 1 μm |
| Det. technology | Silicon drift detector (SDD) |
| Takeoff angle | 40° |
| Max. throughput | 180 kcounts/s |
| Real time | 338.674 s |
| Live time | 266.384 s |
| Dead time | 21.345 % |
| Channel count | 3096 |
| Energy range | -475.251 … 14994 eV |
| Gain | 4.99814 eV/channel |
| Intensity range | 100 (normalised intensity) |
| Comment | EDS spectrum from unpublished supplementary material.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| Measurement tags | Unpublished |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 | Atoms | At% | Wt% |
|---|---|---|---|
| Mg | 2 | 28.6 | 34.6 |
| Si | 1 | 14.3 | 20 |
| O | 4 | 57.1 | 45.5 |
| Total | 7 | 100 | 100 |