ORCID Profile
0000-0003-1110-1627
Current Organisations
James Cook University
,
Australian National University
,
Universite de Liege
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Publisher: Geological Society of America
Date: 28-08-2015
DOI: 10.1130/G37026.1
Publisher: Mineralogical Association of Canada
Date: 02-2008
Publisher: Geological Society of America
Date: 08-08-2018
DOI: 10.1130/G45147.1
Publisher: Springer Science and Business Media LLC
Date: 30-12-2014
Publisher: California Digital Library (CDL)
Date: 10-2022
DOI: 10.31223/X5MD38
Abstract: Aluminium phosphates are mineral phases commonly occurring in rare-element pegmatites that record initial magmatic crystallization, metasomatic and hydrothermal replacements and precipitation and low-temperature alteration. Here we perform a comparative mineralogical study between several localities to assess similarities and variations in these parageneses and establish a general alteration sequence of such mineral assemblages.
Publisher: Elsevier BV
Date: 06-2017
Publisher: Elsevier BV
Date: 06-2013
Publisher: Oxford University Press (OUP)
Date: 30-05-2013
Publisher: California Digital Library (CDL)
Date: 24-09-2022
DOI: 10.31223/X5T35S
Abstract: Montebras-en-Soumans pegmatitic cupola hosts large pods of phosphate composed of primary amblygonite-montebrasite. These aluminium phosphate masses are considerably altered by post-magmatic processes producing a number of secondary metasomatic hydrothermal phosphates (lacroixite, wardite, morinite, viitaniemiite, apatite, triplite, eosphorite) and low-temperature phosphates (apatite, crandallite, goyazite, gorceixite, variscite, turquoise, wavellite). Also found in this study are a Mn-rich viitaniemiite-like phase and an unknown Na-Al-P fluoride. A number of techniques are used to characterise these mineral phases including optical studies, cathodoluminescence (cold & hot), electron-probe micro-analysis (wavelength & energy dispersive spectra), X-ray diffraction, laser ablation inductively coupled plasma mass spectroscopy and infrared spectroscopy.
No related grants have been discovered for Cassian Pirard.