Ilmenite (var. Mn) EDS spectrum, 20 keV e<sup>-</sup> beam, Torpy <i>et al.</i> 2020

Ilmenite (var. Mn) EDS spectrum, 20 keV e^- beam, Torpy et al. 2020

Measurement spectrum

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Measurement details

Description	EDS spectrum of Ilmenite (Mn)
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	2018-05-01
Material	Ilmenite (var. Mn) [ (Fe, Mn)TiO₃ ]
Analysis technique	Energy dispersive x-ray spectrometry (EDS)
Instrument	JEOL 8500F
Probe	20 keV electron beam
Beam current	69.64 nA
Probe diameter	2 μm
Detector name	2× Bruker XFLASH
Det. technology	Silicon drift detector (SDD)
Real time	68.9776 s
Live time	43.445 s
Dead time	37.0158 %
Channel count	4096
Energy range	-477.548 … 19984.5 eV
Gain	4.99684 eV/channel
Intensity range	1.460×10⁵ counts
Integral	1.4161×10⁷ counts

Specimen details

Name	Tista 2020 D4 Shaker
Owner	CSIRO
Locality	Teesta River, Bangladesh
Type	Mineral concentrate
Form	Polished section, epoxy mount
Other measurements	CL Albite CL spectrum, 20 keV e^- beam, Torpy et al. 2020 Apatite CL spectrum, 20 keV e^- beam, Torpy et al. 2020 Grossular CL spectrum, 20 keV e^- beam, Torpy et al. 2020 K feldspar CL spectrum, 20 keV e^- beam, Torpy et al. 2020 Kyanite CL spectrum, 20 keV e^- beam, Torpy et al. 2020 Monazite-(Ce) CL spectrum, 20 keV e^- beam, Torpy et al. 2020 Quartz CL spectrum, 20 keV e^- beam, Torpy et al. 2020 Titanite CL spectrum, 20 keV e^- beam, Torpy et al. 2020 Xenotime-(Y) CL spectrum, 20 keV e^- beam, Torpy et al. 2020 Zircon CL spectrum, 20 keV e^- beam, Torpy et al. 2020 EDS Albite EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Allanite-(Ce) EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Amphibole EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Amphibole EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Amphibole EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Amphibole EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Andesine EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Apatite EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Augite EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Augite EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Biotite EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Bytownite EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Chlorite (var. Mg, Fe) EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Chlorite (var. Mg, Fe) EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Epidote EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Garnet (var. Ca, Fe) EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Garnet (var. Fe, Mg) EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Garnet (var. Fe, Mn, Ca) EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Garnet (var. Fe, Mn, Ca) EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Garnet EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Garnet EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Grossular EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Ilmenite EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 K feldspar EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Kyanite EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Monazite-(Ce) EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Muscovite EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Oligoclase EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Quartz EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Staurolite EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Titanite EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Titanohematite EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Xenotime-(Y) EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Zircon EDS spectrum, 20 keV e^- beam, Torpy et al. 2020 Zoisite EDS spectrum, 20 keV e^- beam, Torpy et al. 2020

Specimen image

Clustered phase map of river sands (D4 shaker), from the Tista River, Bangladesh. From Torpy et al. 2020

© (C) 2020 CSIRO Mineral Resources

Composition

Composition from this measurement.
Element	Atoms	At%	Wt%
Ti	4.31	19.8	31
Mn	1	4.6	8.26
Fe	3.37	15.5	28.3
O	13.1	60.1	31.4