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Ghosts of Apatite Past: Using Hyperspectral Cathodoluminescence and Micro-Geochemical Data To Reveal Multi-Generational Apatite in the Gifford Creek Carbonatite Complex, Australia

Published on Sep 1, 2018in Canadian Mineralogist 1.40
· DOI :10.3749/canmin.1800021
Paul Slezak1
Estimated H-index: 1
(JCU: James Cook University),
Carl Spandler27
Estimated H-index: 27
(JCU: James Cook University),
Kevin Blake14
Estimated H-index: 14
(JCU: James Cook University)
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  • References (58)
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References58
Newest
Published on Feb 9, 2018in Geology 5.01
Song Wenlei1
Estimated H-index: 1
(PKU: Peking University),
Xu Cheng2
Estimated H-index: 2
(PKU: Peking University)
+ 7 AuthorsHaiyan Tang1
Estimated H-index: 1
(JLU: Jilin University)
The unique, giant, rare earth element (REE) deposit at Bayan Obo, northern China, is the world’s largest REE deposit. It is geologically complex, and its genesis is still debated. Here, we report in situ Th-Pb dating and Nd isotope ratios for monazite and Sr isotope ratios for dolomite and apatite from fresh drill cores. The measured monazite ages (361–913 Ma) and previously reported whole-rock Sm-Nd data show a linear relationship with the initial Nd isotope ratio, suggesting a single-stage evo...
Published on Jul 1, 2017in Chemical Geology 3.62
Jian-Wei Zi6
Estimated H-index: 6
(Curtin University),
Courtney J. Gregory6
Estimated H-index: 6
(Curtin University)
+ 2 AuthorsJanet R. Muhling20
Estimated H-index: 20
(UWA: University of Western Australia)
Abstract Carbonatites are carbonate-dominated igneous rocks derived by low-degree partial melting of metasomatized mantle, although the geodynamic processes responsible for their emplacement into the crust are disputed. Current models favor either reactivation of lithospheric structures in response to plate movements, or the impingement of mantle plumes. Geochronology provides a means of testing these models, but constraining the age of carbonatites and related metasomatic events is rarely strai...
Published on Mar 1, 2017in Lithos 3.91
Anton R. Chakhmouradian27
Estimated H-index: 27
(UM: University of Manitoba),
Ekaterina P. Reguir13
Estimated H-index: 13
(UM: University of Manitoba)
+ 5 AuthorsPanseok Yang10
Estimated H-index: 10
(UM: University of Manitoba)
Abstract Apatite-group phosphates are nearly ubiquitous in carbonatites, but our understanding of these minerals is inadequate, particularly in the areas of element partitioning and petrogenetic interpretation of their compositional variation among spatially associated rocks and within individual crystals. In the present work, the mode of occurrence, and major- and trace-element chemistry of apatite (sensu lato) from calcite and dolomite carbonatites, their associated cumulate rocks (including p...
Published on Aug 1, 2016in Journal of Petrology 3.38
Hugh St. C. O’Neill53
Estimated H-index: 53
(ANU: Australian National University)
Published on Aug 1, 2015in Contributions to Mineralogy and Petrology 3.23
Louise Schoneveld2
Estimated H-index: 2
(JCU: James Cook University),
Carl Spandler27
Estimated H-index: 27
(JCU: James Cook University),
Kelvin Hussey1
Estimated H-index: 1
The Nolans Bore rare earth element (REE) deposit consists of a network of fluorapatite-bearing veins and breccias hosted within Proterozoic granulites of the Reynolds Range, Central Australia. Mineralisation is divided into three zones (north, central, and south-east), with the north and south-east zones consisting of massive REE-bearing fluorapatite veins, with minor brecciation and carbonate infill. The central zone is distinctively different in mineralogy and structure; it features extensive ...
Published on Jun 1, 2015in Elements 4.22
Daniel E. Harlov28
Estimated H-index: 28
(UJ: University of Johannesburg)
Apatite is a superb mineral by which to investigate the nature of fluids that have passed through and altered a rock (metasomatic processes). Its ubiquity allows it to act as a reservoir for P, F, Cl, OH, CO2, and the rare earth elements. It is also a powerful thermochronometer and can be chemically altered by aqueous brines (NaCl–KCl–CaCl2–H2O), pure H2O, and aqueous fluids containing CO2, HCl, H2SO4, and/or F. Thus, apatite is the perfect tracker of metasomatic fluids, providing information on...
Published on Jun 1, 2015in Elements 4.22
John M. Hughes28
Estimated H-index: 28
(UVM: University of Vermont),
John Rakovan23
Estimated H-index: 23
(Miami University)
Apatite is ubiquitous in igneous, metamorphic, and sedimentary rocks and is significant to more fields of study than perhaps any other mineral. To help understand why, one needs to know apatite's structure, composition, and crystal chemistry. Apatite has a robust hexagonal atomic framework based on two distinct metal-cation sites ( M 1, M 2), a tetrahedral-cation site ( T ), and an anion column along four edges of the unit cell. These cation and anion sites can, among them, incorporate more than...
Published on Aug 1, 2014in Lithos 3.91
Franco Pirajno48
Estimated H-index: 48
,
Ignacio González-Álvarez13
Estimated H-index: 13
+ 4 AuthorsMonica leGras4
Estimated H-index: 4
(CSIRO: Commonwealth Scientific and Industrial Research Organisation)
Abstract The Gifford Creek Ferrocarbonatite Complex (GFC), located in the Neoarchean–Palaeoproterozoic Gascoyne Province, Western Australia, comprises sills, dykes, and veins of ferrocarbonatite intruding the Pimbyana Granite and Yangibana Granite of the Durlacher Supersuite and metasedimentary rocks of the Pooranoo Metamorphics. The ferrocarbonatites are associated with complex and irregularly distributed zones of fenitic alteration. These ferrocarbonatites and fenites are also associated with ...
Published on Apr 1, 2014in Earth and Planetary Science Letters 4.64
Johannes Hammerli7
Estimated H-index: 7
(JCU: James Cook University),
Anthony I.S. Kemp25
Estimated H-index: 25
,
Carl Spandler27
Estimated H-index: 27
(JCU: James Cook University)
Radiogenic isotopes are widely used to investigate crustal evolutionary processes, however recent claims of Nd and Sr isotope disequilibrium during anatexis question the reliability of such information. We have conducted an in situ Sm–Nd isotope study of apatite, allanite, titanite, xenotime and monazite in metasedimentary rocks of different metamorphic grade to test Nd isotope equilibrium during metamorphism. Our results show that apatite retains an original, probably detrital, highly variable ...
Published on Jun 1, 2013in Mineralogy and Petrology 1.57
Jens Götze27
Estimated H-index: 27
(Freiberg University of Mining and Technology),
Hans-Peter Schertl24
Estimated H-index: 24
(RUB: Ruhr University Bochum)
+ 2 AuthorsJohn M. Hanchar29
Estimated H-index: 29
(MUN: Memorial University of Newfoundland)
Optical microscope-cathodoluminescence (OM-CL) microscopy is a modern luminescence technique with widespread applications in geosciences. Many rock-forming and accessory minerals show specific CL properties that can be successfully used in geoscience and materials science research. One of the most spectacular applications is the visualization of growth textures, alteration, and other internal textures in minerals that are not discernible with other analytical techniques. These results provide in...
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Published on Jun 25, 2019in Mineralogy and Petrology 1.57
Teimoor Nazari-Dehkordi1
Estimated H-index: 1
(JCU: James Cook University),
Carl Spandler27
Estimated H-index: 27
(JCU: James Cook University)
This study investigates the paragenesis and ore mineral composition of xenotime [(Y,HREE)PO4] and florencite [LREEAl3(PO4)2(OH)6] from heavy rare earth element (HREE) deposits/prospects of the Tanami and Hall Creek regions of Western Australia. Two stages of xenotime-(Y) formation are recognized: (1) early xenotime-(Y) in breccias (breccia-hosted) and in quartz-xenotime-(Y) veins (vein-type); and (2) late xenotime-(Y) that occurs largely as dipyramidal-shaped overgrowths on the pre-existing earl...
Published on Mar 1, 2019in Lithos 3.91
Paul Slezak1
Estimated H-index: 1
(JCU: James Cook University),
Carl Spandler27
Estimated H-index: 27
(JCU: James Cook University)
Abstract The Gifford Creek Carbonatite Complex (GCCC), Western Australia contains a diverse suite of alkaline igneous rocks, including magnesiocarbonatites, ferrocarbonatites, phoscorites, fenites, magmatic-hydrothermal peralkaline dykes, and ironstones. This study employs U-Pb, Sm-Nd, and Lu-Hf radiogenic isotope techniques on monazite – (Ce), fluorapatite, and zircon to determine the origin, age, and history of the GCCC. Zircon crystals found in glimmerite alteration selvages adjacent to ferro...