Biotite EDS spectrum, 50 kV Rh anode x-ray beam, CSIRO 2015

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Reference	Spectra from unpublished supplementary material for: Torpy A., Wilson N.C., MacRae C.M., Barnes S., and Verrall M. (2015), Characterising drill core mineralogy by micro-XRD mapping,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	2015-02-04
Material	Biotite [ K(Mg, Fe)₃AlSi₃O₁₀(OH, F)₂ ]
Analysis technique	Energy dispersive x-ray spectrometry (EDS)
Instrument	Bruker M4 Tornado
Probe	50 kV Rh anode x-ray beam
Anode current	0.499 mA
Detector name	Bruker XFLASH
Det. technology	Silicon drift detector (SDD)
Real time	26.0398 s
Live time	13.5967 s
Dead time	47.7849 %
Channel count	4096
Energy range	-954.595 … 39979.5 eV
Gain	9.99612 eV/channel
Intensity range	7.243×10⁴ counts
Integral	2.6489×10⁶ counts
Comment	EDS spectrum from unpublished supplementary material.
Measurement tags	Unpublished

Specimen details

Name	KH-2
Owner	CSIRO
Catalog ID	S-15-002
Locality	Kharaelakh intrusion, Noril'sk-Talnakh region, Krasnoyarsk Krai, Siberian Federal District, Russia
Type	Rock fragment
Form	Thin section
Other measurements	CL Calcite CL spectrum, 15 keV e^- beam, CSIRO 2015 Chlorapatite CL spectrum, 15 keV e^- beam, CSIRO 2015 Plagioclase CL spectrum, 15 keV e^- beam, CSIRO 2015 EDS Amphibole EDS spectrum, 15 keV e^- beam, CSIRO 2015 Augite EDS spectrum, 15 keV e^- beam, CSIRO 2015 Augite EDS spectrum, 50 kV Rh anode x-ray beam, CSIRO 2015 Biotite EDS spectrum, 15 keV e^- beam, CSIRO 2015 Calcite EDS spectrum, 15 keV e^- beam, CSIRO 2015 Chalcopyrite EDS spectrum, 15 keV e^- beam, CSIRO 2015 Chalcopyrite EDS spectrum, 50 kV Rh anode x-ray beam, CSIRO 2015 Chlorapatite EDS spectrum, 15 keV e^- beam, CSIRO 2015 Chlorapatite EDS spectrum, 50 kV Rh anode x-ray beam, CSIRO 2015 Enstatite EDS spectrum, 15 keV e^- beam, CSIRO 2015 Forsterite EDS spectrum, 15 keV e^- beam, CSIRO 2015 Ilmenite EDS spectrum, 15 keV e^- beam, CSIRO 2015 Ilmenite EDS spectrum, 50 kV Rh anode x-ray beam, CSIRO 2015 Magnetite EDS spectrum, 15 keV e^- beam, CSIRO 2015 Magnetite EDS spectrum, 50 kV Rh anode x-ray beam, CSIRO 2015 Pentlandite EDS spectrum, 15 keV e^- beam, CSIRO 2015 Pentlandite EDS spectrum, 50 kV Rh anode x-ray beam, CSIRO 2015 Plagioclase EDS spectrum, 15 keV e^- beam, CSIRO 2015 Plagioclase EDS spectrum, 50 kV Rh anode x-ray beam, CSIRO 2015 Pyrite EDS spectrum, 50 kV Rh anode x-ray beam, CSIRO 2015 Pyrrhotite EDS spectrum, 15 keV e^- beam, CSIRO 2015 Pyrrhotite EDS spectrum, 50 kV Rh anode x-ray beam, CSIRO 2015

Specimen image

Clustered EPMA phase map of the KH-2 specimen (owner: S. Barnes, CSIRO Mineral Resources), from the Kharelakh intrusion, Noril'sk, Russia

Composition

Nominal composition of Biotite [ K(Mg,Fe)₃AlSi₃O₁₀(OH,F)₂ ].
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