ORCID Profile
0000-0002-2734-8790
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Research Topics
In Research Link Australia (RLA), "Research Topics" refer to ANZSRC FOR and SEO codes. These topics are either sourced from ANZSRC FOR and SEO codes listed in researchers' related grants or generated by a large language model (LLM) based on their publications.
Top 5 Research Topics
ANZSRC Field of Research (FoR)
Geology | Ore Deposit Petrology | Igneous And Metamorphic Petrology | Ore Deposit Petrology | Igneous and Metamorphic Petrology | Separation Science | Chemical Characterisation of Materials | Marine and Estuarine Ecology (incl. Marine Ichthyology) | Geochemistry Not Elsewhere Classified | Exploration Geochemistry | Mineralogy and Crystallography | Geochemistry | Organic Chemical Synthesis | Pharmaceutical Sciences | Vulcanology | Geochronology And Isotope Geochemistry | Biological Oceanography | Mineralogy And Crystallography | Geochronology | Conservation and Biodiversity | Materials Engineering | Metals and Alloy Materials | Environmental Monitoring | Geochemistry not elsewhere classified | Freshwater Ecology | Catalysis and Mechanisms of Reactions | Electromagnetism | Isotope Geochemistry | Plant Cell and Molecular Biology | Neurology and Neuromuscular Diseases | Crop and Pasture Biochemistry and Physiology | Geology not elsewhere classified | Volcanology
ANZSRC Socio-Economic Objective (SEO)
Earth sciences | Expanding Knowledge in the Earth Sciences | Mineral Exploration not elsewhere classified | Management of Solid Waste from Mineral Resource Activities | Field crops | Natural Hazards not elsewhere classified | Nervous System and Disorders | Organic Industrial Chemicals (excl. Resins, Rubber and Plastics) | Environmentally Sustainable Manufacturing not elsewhere classified | Biological sciences | Chemical sciences | Concentrating processes of other base metal ores | Integrated (ecosystem) assessment and management | Physical and Chemical Conditions of Water in Fresh, Ground and Surface Water Environments (excl. Urban and Industrial Use) | Marine Flora, Fauna and Biodiversity | Climate Change Mitigation Strategies | Expanding Knowledge in the Medical and Health Sciences | First stage treatment of ores and minerals | Mineral Resources (excl. Energy Resources) not elsewhere classified | Expanding Knowledge in the Physical Sciences | Scientific Instruments | Precious (Noble) Metal Ore Exploration | Titanium Minerals, Zircon, and Rare Earth Metal Ore (e.g. Monazite) Exploration | Copper Ore Exploration |
Related Links
Publications
Cathodoluminescence properties of quartz eyes from porphyry-type deposits: Implications for the origin of quartz
Publisher: Mineralogical Society of America
Date: 20-12-2012
DOI: 10.2138/AM.2013.4018
Carbonatitic lavas in Catanda (Kwanza Sul, Angola): Mineralogical and geochemical constraints on the parental melt
Publisher: Elsevier BV
Date: 09-2015
LIMA U-Pb ages link lithospheric mantle metasomatism to Karoo magmatism beneath the Kimberley region, South Africa
Publisher: Elsevier BV
Date: 09-2014
Parental carbonatitic melt of the Koala kimberlite (Canada): Constraints from melt inclusions in olivine and Cr-spinel, and groundmass carbonate
Publisher: Elsevier BV
Date: 08-2013
The fluorine link between a supergiant ore deposit and a silicic large igneous province
Publisher: Geological Society of America
Date: 11-2011
DOI: 10.1130/G32205.1
Oxide, sulphide and carbonate minerals in a mantle polymict breccia: Metasomatism by proto-kimberlite magmas, and relationship to the kimberlite megacrystic suite
Publisher: Elsevier BV
Date: 08-2013
Stable isotope (C, O, S) compositions of volatile-rich minerals in kimberlites: A review
Publisher: Elsevier BV
Date: 05-2014
The origin of medium-K ankaramitic arc magmas from Lombok (Sunda arc, Indonesia): Mineral and melt inclusion evidence
Publisher: Elsevier BV
Date: 06-2007
Sr, Nd, and Pb isotope evidence for a mantle origin of alkali chlorides and carbonates in the Udachnaya kimberlite, Siberia
Publisher: Geological Society of America
Date: 2005
DOI: 10.1130/G21257.1
Matrix effects in Pb/U measurements during LA-ICP-MS analysis of the mineral apatite
Publisher: Royal Society of Chemistry (RSC)
Date: 2016
DOI: 10.1039/C6JA00048G
Abstract: U–Pb ages of several apatite reference materials, acquired by LA-ICP-MS over a 3.5 year period using the Otter Lake apatite as a primary standard, show systematic offsets (up to 3%) from reference ages obtained by isotope dilution mass spectrometry.
The role of fluorine in the concentration and transport of lithophile trace elements in felsic magmas: Insights from the Gawler Range Volcanics, South Australia
Publisher: Elsevier BV
Date: 05-2010
Olivine-phyric basalt in the Mesoproterozoic Gawler silicic large igneous province, South Australia: Examples at the Olympic Dam Iron Oxide Cu–U–Au–Ag deposit and other localities
Publisher: Elsevier BV
Date: 08-2016
EARLY, DEEP MAGNETITE-FLUORAPATITE MINERALIZATION AT THE OLYMPIC DAM Cu-U-Au-Ag DEPOSIT, SOUTH AUSTRALIA*
Publisher: Society of Economic Geologists
Date: 09-2017
The speciation of copper in natural fluid inclusions at temperatures up to 700 °C
Publisher: Elsevier BV
Date: 02-2009
Early mixing and mingling in the evolution of basaltic magmas: evidence from phenocryst assemblages, Slamet Volcano, Java, Indonesia
Publisher: Elsevier BV
Date: 2003
Survival times of anomalous melt inclusions from element diffusion in olivine and chromite
Publisher: Springer Science and Business Media LLC
Date: 05-2007
DOI: 10.1038/NATURE05759
Abstract: The chemical composition of basaltic magma erupted at the Earth's surface is the end product of a complex series of processes, beginning with partial melting and melt extraction from a mantle source and ending with fractional crystallization and crustal assimilation at lower pressures. It has been proposed that studying inclusions of melt trapped in early crystallizing phenocrysts such as Mg-rich olivine and chromite may help petrologists to see beyond the later-stage processes and back to the origin of the partial melts in the mantle. Melt inclusion suites often span a much greater compositional range than associated erupted lavas, and a significant minority of inclusions carry distinct compositions that have been claimed to s le melts from earlier stages of melt production, preserving separate contributions from mantle heterogeneities. This hypothesis is underpinned by the assumption that melt inclusions, once trapped, remain chemically isolated from the external magma for all elements except those that are compatible in the host minerals. Here we show that the fluxes of rare-earth elements through olivine and chromite by lattice diffusion are sufficiently rapid at magmatic temperatures to re-equilibrate completely the rare-earth-element patterns of trapped melt inclusions in times that are short compared to those estimated for the production and ascent of mantle-derived magma or for magma residence in the crust. Phenocryst-hosted melt inclusions with anomalous trace-element signatures must therefore form shortly before magma eruption and cooling. We conclude that the assumption of chemical isolation of incompatible elements in olivine- and chromite-hosted melt inclusions is not valid, and we call for re-evaluation of the popular interpretation that anomalous melt inclusions represent preserved s les of unmodified mantle melts.
Coexisting high- and low-calcium melts identified by mineral and melt inclusion studies of a subduction-influenced syn-collisional magma from South Sulawesi, Indonesia
Publisher: Oxford University Press (OUP)
Date: 20-09-2006
Linking Olympic Dam and the Cariewerloo Basin: Was a sedimentary basin involved in formation of the world’s largest uranium deposit?
Publisher: Elsevier BV
Date: 10-2017
Magmatic inclusions in the search for natural silicate-salt melt immiscibility: Methodology and examples
Publisher: Elsevier
Date: 2003
In-situ assimilation of mantle minerals by kimberlitic magmas - Direct evidence from a garnet wehrlite xenolith entrained in the Bultfontein kimberlite (Kimberley, South Africa)
Publisher: Elsevier BV
Date: 07-2016
Silicate–natrocarbonatite liquid immiscibility in 1917 eruption combeite–wollastonite nephelinite, Oldoinyo Lengai Volcano, Tanzania: Melt inclusion study
Publisher: Elsevier BV
Date: 11-2012
Noble metals potential of sulfide-saturated melts from the subcontinental lithosphere
Publisher: Geological Society of America
Date: 05-2013
DOI: 10.1130/G34066.1
Tectonothermal events in the Olympic IOCG Province constrained by apatite and REE-phosphate geochronology
Publisher: Informa UK Limited
Date: 20-05-2018
Hydrosilicate liquids in the system Na2O-SiO2-H2O with NaF, NaCl and Ta: Evaluation of their role in ore and mineral formation at high T and P
Publisher: Pleiades Publishing Ltd
Date: 05-2012
High-Mg potassic rocks from Taiwan: implications for the genesis of orogenic potassic lavas
Publisher: Elsevier BV
Date: 12-2001
Tracking halogens through the subduction cycle
Publisher: Geological Society of America
Date: 12-2012
DOI: 10.1130/G33265.1
Carbonate–silicate liquid immiscibility in the mantle propels kimberlite magma ascent
Publisher: Elsevier BV
Date: 06-2015
Empirical constraints on partitioning of platinum group elements between Cr-spinel and primitive terrestrial magmas
Publisher: Elsevier BV
Date: 11-2017
Silicate-sulfide liquid immiscibility in modern arc basalt (Tolbachik volcano, Kamchatka): Part II. Composition, liquidus assemblage and fractionation of the silicate melt
Publisher: Elsevier BV
Date: 11-2017
Rare Earth Element Fluorocarbonate Minerals from the Olympic Dam Cu-U-Au-Ag Deposit, South Australia
Publisher: MDPI AG
Date: 23-10-2017
DOI: 10.3390/MIN7100202
Olivine in the Udachnaya-East Kimberlite (Yakutia, Russia): Types, Compositions and Origins
Publisher: Oxford University Press (OUP)
Date: 28-07-2007
Reprint of Silicate-sulfide liquid immiscibility in modern arc basalt (Tolbachik volcano, Kamchatka): Part II. Composition, liquidus assemblage and fractionation of the silicate melt
Publisher: Elsevier BV
Date: 02-2018
Silicate-sulfide liquid immiscibility in modern arc basalt (Tolbachik volcano, Kamchatka): Part I. Occurrence and compositions of sulfide melts
Publisher: Elsevier BV
Date: 02-2018
Kimberlite Metasomatism of the Lithosphere and the Evolution of Olivine in Carbonate-rich Melts — Evidence from the Kimberley Kimberlites (South Africa)
Publisher: Oxford University Press (OUP)
Date: 06-2020
DOI: 10.1093/PETROLOGY/EGAA062
Abstract: Olivine is the most abundant phase in kimberlites and is stable throughout most of the crystallization sequence, thus providing an extensive record of kimberlite petrogenesis. To better constrain the composition, evolution, and source of kimberlites we present a detailed petrographic and geochemical study of olivine from multiple dyke, sill, and root zone kimberlites in the Kimberley cluster (South Africa). Olivine grains in these kimberlites are zoned, with a central core, a rim overgrowth, and occasionally an external rind. Additional ‘internal’ and ‘transitional’ zones may occur between the core and rim, and some s les of root zone kimberlites contain a late generation of high-Mg olivine in cross-cutting veins. Olivine records widespread pre-ascent (proto-)kimberlite metasomatism in the mantle including the following features: (1) relatively Fe-rich (Mg# & ) olivine cores interpreted to derive from the disaggregation of kimberlite-related megacrysts (20 % of cores) (2) Mg–Ca-rich olivine cores (Mg# & & ·05 wt% CaO) suggested to be sourced from neoblasts in sheared peridotites (25 % of cores) (3) transitional zones between cores and rims probably formed by partial re-equilibration of xenocrysts (now cores) with a previous pulse of kimberlite melt (i.e. compositionally heterogeneous xenocrysts) (4) olivine from the Wesselton water tunnel sills, internal zones (I), and low-Mg# rims, which crystallized from a kimberlite melt that underwent olivine fractionation and stalled within the shallow lithospheric mantle. Magmatic crystallization begins with internal olivine zones (II), which are common but not ubiquitous in the Kimberley olivine. These zones are euhedral, contain rare inclusions of chromite, and have a higher Mg# (90·0 ± 0·5), NiO, and Cr2O3 contents, but are depleted in CaO compared with the rims. Internal olivine zones (II) are interpreted to crystallize from a primitive kimberlite melt during its ascent and transport of olivine toward the surface. Their compositions suggest assimilation of peridotitic material (particularly orthopyroxene) and potentially sulfides prior to or during crystallization. Comparison of internal zones (II) with liquidus olivine from other mantle-derived carbonate-bearing magmas (i.e. orangeites, ultramafic l rophyres, melilitites) shows that low (100×) Mn/Fe (∼1·2), very low Ca/Fe (∼0·6), and moderate Ni/Mg ratios (∼1·1) appear to be the hallmarks of olivine in melts derived from carbonate-bearing garnet-peridotite sources. Olivine rims display features indicative of magmatic crystallization, which are typical of olivine rims in kimberlites worldwide that is, primary inclusions of chromite, Mg-ilmenite and rutile, homogeneous Mg# (88·8 ± 0·3), decreasing Ni and Cr, and increasing Ca and Mn. Rinds and high-Mg olivine are characterized by extreme Mg–Ca–Mn enrichment and Ni depletion, and textural relationships indicate that these zones represent replacement of pre-existing olivine, with some new crystallization of rinds. These zones probably precipitated from evolved, oxidized, and relatively low-temperature kimberlite fluids after crustal emplacement. In summary, this study demonstrates the utility of combined petrography and olivine geochemistry to trace the evolution of kimberlite magmatic systems from early metasomatism of the lithospheric mantle by (proto-)kimberlite melts, to crystallization at different depths en route to surface, and finally late-stage deuteric or hydrothermal fluid alteration after crustal emplacement.
Transition from ultra-enriched to ultra-depleted primary MORB melts in a single volcanic suite (Macquarie Island, SW Pacific): Implications for mantle source, melting process and plumbing system
Publisher: Elsevier BV
Date: 07-2016
Immiscibility between silicate magmas and aqueous fluids: a melt inclusion pursuit into the magmatic-hydrothermal transition in the Omsukchan Granite (NE Russia)
Publisher: Elsevier BV
Date: 10-2004
Postmagmatic magnetite–apatite assemblage in mafic intrusions: a case study of dolerite at Olympic Dam, South Australia
Publisher: Springer Science and Business Media LLC
Date: 11-12-2015
Mantle oddities: A sulphate fluid preserved in a MARID xenolith from the Bultfontein kimberlite (Kimberley, South Africa)
Publisher: Elsevier BV
Date: 08-2013
Precise geochronological constraints on the origin, setting and incorporation of ca. 1.59 Ga surficial facies into the Olympic Dam Breccia Complex, South Australia
Publisher: Elsevier BV
Date: 09-2018
Laser Raman spectroscopic measurements of water in unexposed glass inclusions
Publisher: Mineralogical Society of America
Date: 02-2006
DOI: 10.2138/AM.2006.2107
Ontogeny of ore Cr-spinel and composition of inclusions as indicators of the pneumatolytic–hydrothermal origin of PGM-bearing chromitites from Kondyor massif, the Aldan Shield
Publisher: Pleiades Publishing Ltd
Date: 09-2015
Multi-stage enrichment processes for large gold-bearing ore deposits
Publisher: Elsevier BV
Date: 07-2016
The evolution of authigenic Zn–Pb–Fe-bearing phases in the Grieves Siding peat, western Tasmania
Publisher: Springer Science and Business Media LLC
Date: 08-2015
The final stages of kimberlite petrogenesis: Petrography, mineral chemistry, melt inclusions and Sr-C-O isotope geochemistry of the Bultfontein kimberlite (Kimberley, South Africa)
Publisher: Elsevier BV
Date: 04-2016
Chloride and carbonate immiscible liquids at the closure of the kimberlite magma evolution (Udachnaya-East kimberlite, Siberia)
Publisher: Elsevier BV
Date: 03-2007
Alkali-carbonate melts from the base of cratonic lithospheric mantle: Links to kimberlites
Publisher: Elsevier BV
Date: 04-2018
Monticellite in group-I kimberlites: Implications for evolution of parental melts and post-emplacement CO2 degassing
Publisher: Elsevier BV
Date: 02-2018
Can pyroxenes be liquidus minerals in the kimberlite magma?
Publisher: Elsevier BV
Date: 11-2009
Mineralization, U-Pb Geochronology, and Stable Isotope Geochemistry of the Lower Main Zone of the Lorraine Deposit, North-Central British Columbia: A Replacement-Style Alkalic Cu-Au Porphyry
Publisher: Society of Economic Geologists
Date: 17-03-2014
Chlorine from the mantle: Magmatic halides in the Udachnaya-East kimberlite, Siberia
Publisher: Elsevier BV
Date: 07-2009
Signals from Chloroplasts Converge to Regulate Nuclear Gene Expression
Publisher: American Association for the Advancement of Science (AAAS)
Date: 04-05-2007
DOI: 10.1126/SCIENCE.
Chlorine in mantle-derived carbonatite melts revealed by halite in the St.-Honoré intrusion (Québec, Canada)
Publisher: Geological Society of America
Date: 23-06-2015
DOI: 10.1130/G36843.1
In situ origin for glass in mantle xenoliths from southeastern Australia: insights from trace element compositions of glasses and metasomatic phases
Publisher: Elsevier BV
Date: 10-1999
Magmatic origin of low-Ca olivine in subduction-related magmas: Co-existence of contrasting magmas
Publisher: Elsevier BV
Date: 10-2006
Primitive island arc and oceanic lavas from the hunter ridge-hunter fracture zone. Evidence from glass, olivine and spinel compositions
Publisher: Springer Science and Business Media LLC
Date: 1993
DOI: 10.1007/BF01161564
How unique is the Udachnaya-East kimberlite? Comparison with kimberlites from the Slave Craton (Canada) and SW Greenland
Publisher: Elsevier BV
Date: 11-2009
Gold and metal enrichment in natural granitic melts during fractional crystallization
Publisher: Geological Society of America
Date: 2006
DOI: 10.1130/G22141.1
Oxidation state of subarc mantle
Publisher: Geological Society of America
Date: 29-06-2012
DOI: 10.1130/G33037.1
Chlorine in submarine volcanic glasses from the eastern manus basin
Publisher: Elsevier BV
Date: 03-2007
Primary aqueous fluids in rhyolitic magmas: Melt inclusion evidence for pre- and post-trapping exsolution
Publisher: Elsevier BV
Date: 03-2007
Mantle melting versus mantle metasomatism – “The chicken or the egg” dilemma
Publisher: Elsevier BV
Date: 04-2017
The fate of subducted oceanic crust: a mineral segregation model
Publisher: Informa UK Limited
Date: 30-10-2009
Feldspar evolution in the Roxby Downs Granite, host to Fe-oxide Cu-Au-(U) mineralisation at Olympic Dam, South Australia
Publisher: Elsevier BV
Date: 2017
Did diamond-bearing orangeites originate from MARID-veined peridotites in the lithospheric mantle?
Publisher: Springer Science and Business Media LLC
Date: 17-04-2015
DOI: 10.1038/NCOMMS7837
Abstract: Kimberlites and orangeites (previously named Group-II kimberlites) are small-volume igneous rocks occurring in diatremes, sills and dykes. They are the main hosts for diamonds and are of scientific importance because they contain fragments of entrained mantle and crustal rocks, thus providing key information about the subcontinental lithosphere. Orangeites are ultrapotassic, H2O and CO2-rich rocks hosting minerals such as phlogopite, olivine, calcite and apatite. The major, trace element and isotopic compositions of orangeites resemble those of intensely metasomatized mantle of the type represented by MARID (mica- hibole-rutile-ilmenite-diopside) xenoliths. Here we report new data for two MARID xenoliths from the Bultfontein kimberlite (Kimberley, South Africa) and we show that MARID-veined mantle has mineralogical (carbonate-apatite) and geochemical (Sr-Nd-Hf-O isotopes) characteristics compatible with orangeite melt generation from a MARID-rich source. This interpretation is supported by U-Pb zircon ages in MARID xenoliths from the Kimberley kimberlites, which confirm MARID rock formation before orangeite magmatism in the area.
Systematics of metals, metalloids, and volatiles in MORB melts: Effects of partial melting, crystal fractionation and degassing (a case study of Macquarie Island glasses)
Publisher: Elsevier BV
Date: 04-2012
Magmatic fluids immiscible with silicate melts: examples from inclusions in phenocrysts and glasses, and implications for magma evolution and metal transport
Publisher: Wiley
Date: 05-2010
DOI: 10.1111/J.1468-8123.2009.00272.X
Abstract: Geofluids (2010) 10 , 293–311 The first occurrence of immiscibility in magmas appears to be most important in the magmatic–hydrothermal transition, and thus studies of magmatic immiscibility should be primarily directed towards recognition of coexisting silicate melt and essentially non‐silicate liquids and fluids (aqueous, carbonic and sulphide). However, immiscible phase separation during decompression, cooling and crystallization of magmas is an inherently fugitive phenomenon. The only remaining evidence of this process and the closest approximation of natural immiscible magmatic liquids and vapours can be provided by melt and fluid inclusions trapped in silicate glasses and magmatic phenocrysts. Such inclusions are often used as a natural experimental laboratory to model the process of exsolution and the compositions of volatile‐rich phases from a wide range of terrestrial magmas. In this paper several ex les from recent research on melt and fluid inclusions are used to demonstrate the significance of naturally occurring immiscibility in understanding some large‐scale magma chamber processes, such as degassing and partitioning of metals.
Southwestern Africa on the burner: Pleistocene carbonatite volcanism linked to deep mantle upwelling in Angola
Publisher: Geological Society of America
Date: 17-08-2017
DOI: 10.1130/G39344.1
Relationships between oxygen fugacity and metasomatism in the Kaapvaal subcratonic mantle, represented by garnet peridotite xenoliths in the Wesselton kimberlite, South Africa
Publisher: Elsevier BV
Date: 2015
Picrites from the Emeishan Large Igneous Province, SW China: a Compositional Continuum in Primitive Magmas and their Respective Mantle Sources
Publisher: Oxford University Press (OUP)
Date: 07-08-2012
Mafic volcanic rocks on King Island, Tasmania: evidence for 579Ma break-up in east Gondwana
Publisher: Elsevier BV
Date: 11-2004
An Experimental Study of Carbonated Eclogite at 3{middle dot}5-5{middle dot}5 GPa--Implications for Silicate and Carbonate Metasomatism in the Cratonic Mantle
Publisher: Oxford University Press (OUP)
Date: 28-01-2012
Effects of hydrothermal alteration on mafic lithologies at the Olympic Dam Cu-U-Au-Ag deposit
Publisher: Elsevier BV
Date: 05-2017
A story of olivine from the McIvor Hill complex (Tasmania, Australia): Clues to the origin of the Avebury metasomatic Ni sulfide deposit
Publisher: Mineralogical Society of America
Date: 06-2016
DOI: 10.2138/AM-2016-5509
Petrographic and melt-inclusion constraints on the petrogenesis of a magmaclast from the Venetia kimberlite cluster, South Africa
Publisher: Elsevier BV
Date: 04-2016
Towards a new model for kimberlite petrogenesis: Evidence from unaltered kimberlites and mantle minerals
Publisher: Elsevier BV
Date: 12-2014
Multiple mantle sources of continental magmatism: Insights from “high-Ti” picrites of Karoo and other large igneous provinces
Publisher: Elsevier BV
Date: 04-2017
Chemical abrasion of zircon and ilmenite megacrysts in the Monastery kimberlite: Implications for the composition of kimberlite melts
Publisher: Elsevier BV
Date: 09-2014
The discovery of kimberlites in antarctica extends the vast gondwanan cretaceous province
Publisher: Springer Science and Business Media LLC
Date: 17-12-2013
DOI: 10.1038/NCOMMS3921
Abstract: Kimberlites are a volumetrically minor component of the Earth's volcanic record, but are very important as the major commercial source of diamonds and as the deepest s les of the Earth's mantle. They were predominantly emplaced from ≈2,100 Ma to ≈10 ka ago, into ancient, stable regions of continental crust (cratons), but are also known from continental rifts and mobile belts. Kimberlites have been reported from almost all major cratons on all continents except for Antarctica. Here we report the first bona fide Antarctic kimberlite occurrence, from the northern Prince Charles Mountains, emplaced during the reactivation of the Lambert Graben associated with rifting of India from Australia-Antarctica. The s les are texturally, mineralogically and geochemically typical of Group I kimberlites from more classical localities. Their ≈120 Ma ages overlap with those of many kimberlites from other world-wide localities, extending a vast Cretaceous, Gondwanan kimberlite province, for the first time, into Antarctica.
Diversity of primary CL textures in quartz from porphyry environments: implication for origin of quartz eyes
Publisher: Springer Science and Business Media LLC
Date: 23-07-2013
Nature of alkali-carbonate fl uids in the sub-continental lithospheric mantle
Publisher: Geological Society of America
Date: 11-2012
DOI: 10.1130/G33221.1
Release of gold-bearing fluids in convergent margin magmas prompted by magnetite crystallization
Publisher: Springer Science and Business Media LLC
Date: 10-2004
DOI: 10.1038/NATURE02972
Abstract: A relationship between convergent margin magmas and copper-gold ore mineralization has long been recognized. The nature of the genetic link is controversial, particularly whether the link is due to high-oxygen-fugacity (fO2) melts and fluids released from subducted slabs or to brine exsolution during magmatic evolution. For submarine, subduction-related volcanic glasses from the eastern Manus basin, Papua New Guinea, we here report abrupt decreases in gold and copper abundances, coupled with a switch in the behaviour of titanium and iron from concentration increases to decreases as SiO2 rises. We propose that the abrupt depletion in gold and copper results from concurrent sulphur reduction as a result of fO2 buffering, causing enhanced formation of copper-gold hydrosulphide complexes that become scavenged from crystallizing melts into cogenetic magmatic aqueous fluids. This process is particularly efficient in oxidized arc magmas with substantial sulphate. We infer that subsequent migration and cooling of exsolved aqueous fluids create links between copper-gold mineralization and arc magmatism in the Manus basin, and at convergent margins in general.
Metapyroxenite in the mantle transition zone revealed from majorite inclusions in diamonds
Publisher: Geological Society of America
Date: 08-2013
DOI: 10.1130/G34311.1
Constraints on kimberlite ascent mechanisms revealed by phlogopite compositions in kimberlites and mantle xenoliths
Publisher: Elsevier BV
Date: 2016
Fluid bubbles in melt inclusions and pillow-rim glasses: high-temperature precursors to hydrothermal fluids?
Publisher: Elsevier BV
Date: 03-2002
Carbonate‐chloride enrichment in fresh kimberlites of the Udachnaya‐East pipe, Siberia: A clue to physical properties of kimberlite magmas?
Publisher: American Geophysical Union (AGU)
Date: 10-05-2007
DOI: 10.1029/2007GL029389
A Raman microprobe study of melt inclusions in kimberlites from Siberia, Canada, SW Greenland and South Africa
Publisher: Elsevier BV
Date: 10-2011
DOI: 10.1016/J.SAA.2011.01.034
Abstract: Raman spectroscopy has been used for the identification of both common and uncommon minerals in melt inclusions in Group-I kimberlites from Siberia, Canada, SW Greenland and South Africa. The melt inclusions all contained high abundances of alkali-Ca carbonates, with varying proportions of cations, and Na-Ca-Ba sulphates. In accordance with its dry mineralogy, no hydrated carbonates or sulphates were detected in melt inclusions from the Udachnaya-East kimberlite. In contrast, the melt inclusions in kimberlites from Canada, South Africa and SW Greenland were found to contain bassanite, pirssonite, and hydromagnesite suggesting that greater amounts of water were present in their residual magmas. This suggests that enrichment in alkali carbonates and sulphates is widespread across a range of Group-I kimberlites and implies that they commonly have an alkali-, and sulphur-rich residual liquid.
Seawater cycled throughout Earth’s mantle in partially serpentinized lithosphere
Publisher: Springer Science and Business Media LLC
Date: 27-02-2017
DOI: 10.1038/NGEO2902
Chloride-carbonate nodules in kimberlites from the Udachnaya pipe: Alternative approach to the evolution of kimberlite magmas
Publisher: Pleiades Publishing Ltd
Date: 09-2006
Enhanced mantle-to-crust rhenium transfer in undegassed arc magmas
Publisher: Springer Science and Business Media LLC
Date: 03-2003
DOI: 10.1038/NATURE01482
Olivine-hosted melt inclusions in Hawaiian picrites: Equilibration, melting, and plume source characteristics
Publisher: Elsevier BV
Date: 03-2002
First direct evidence for natural occurrence of colloidal silica in chalcedony-hosted vacuoles and implications for ore-forming processes
Publisher: Geological Society of America
Date: 21-11-2016
DOI: 10.1130/G38517.1
Nickel-rich metasomatism of the lithospheric mantle by pre-kimberlitic alkali-S-Cl-rich C-O-H fluids
Publisher: Springer Science and Business Media LLC
Date: 05-09-2013
Can primitive kimberlite melts be alkali‐carbonate liquids: Composition of the melt snapshots preserved in deepest mantle xenoliths
Publisher: Wiley
Date: 09-09-2019
DOI: 10.1002/JRS.5701
Magmatic Precursors of Hydrothermal Fluids at the Rio Blanco Cu-Mo Deposit, Chile: Links to Silicate Magmas and Metal Transport
Publisher: Society of Economic Geologists
Date: 08-2005
Timing and genesis of the Karoo-Ferrar large igneous province: New high precision U-Pb data for Tasmania confirm short duration of the major magmatic pulse
Publisher: Elsevier BV
Date: 04-2017
Melting and Phase Relations of Carbonated Eclogite at 9-21 GPa and the Petrogenesis of Alkali-Rich Melts in the Deep Mantle
Publisher: Oxford University Press (OUP)
Date: 06-05-2013
POTASSIUM SULFIDES IN KIMBERLITE-HOSTED CHLORIDE-NYEREREITE AND CHLORIDE CLASTS OF UDACHNAYA-EAST PIPE, YAKUTIA, RUSSIA
Publisher: Mineralogical Association of Canada
Date: 08-2008
Immiscible sulfide melts in primitive oceanic magmas: Evidence and implications from picrite lavas (Eastern Kamchatka, Russia)
Publisher: Mineralogical Society of America
Date: 06-2018
DOI: 10.2138/AM-2018-6352
Crystallization of platinum-group minerals from silicate melts: Evidence from Cr-spinel–hosted inclusions in volcanic rocks
Publisher: Geological Society of America
Date: 28-08-2015
DOI: 10.1130/G37052.1
An oxygen fugacity profile through the Siberian Craton — Fe K-edge XANES determinations of Fe3+/∑Fe in garnets in peridotite xenoliths from the Udachnaya East kimberlite
Publisher: Elsevier BV
Date: 05-2012
Subduction-related halogens (Cl, Br and I) and H2O in magmatic glasses from Southwest Pacific Backarc Basins
Publisher: Elsevier BV
Date: 08-2014
Determination of Trace Elements in Quartz by Combined EPMA and CL Microspectrometry
Publisher: Oxford University Press (OUP)
Date: 08-2014
Quantitative mapping of the oxidative effects of mantle metasomatism
Publisher: Geological Society of America
Date: 06-2013
DOI: 10.1130/G34119.1
Compositional characteristics and geodynamic significance of late M iocene volcanic rocks associated with the C hah Z ard epithermal gold–silver deposit, southwest Y
Publisher: Wiley
Date: 26-10-2017
DOI: 10.1111/IAR.12223
Petrogenesis of mantle polymict breccias: Insights into mantle processes coeval with kimberlite magmatism
Publisher: Oxford University Press (OUP)
Date: 11-03-2014
Ultrafresh salty kimberlite of the Udachnaya–East pipe (Yakutia, Russia): A petrological oddity or fortuitous discovery?
Publisher: Elsevier BV
Date: 11-2012
Origin of the supergiant Olympic Dam Cu-U-Au-Ag deposit, South Australia: Was a sedimentary basin involved?
Publisher: Geological Society of America
Date: 08-2011
DOI: 10.1130/G31952.1
Platinum-group elements and gold in sulfide melts from modern arc basalt (Tolbachik volcano, Kamchatka)
Publisher: Elsevier BV
Date: 10-2017
Rare earth element geochemistry of feldspars: examples from Fe-oxide Cu-Au systems in the Olympic Cu-Au Province, South Australia
Publisher: Springer Science and Business Media LLC
Date: 12-10-2017
Volatile exsolution at the Dinkidi Cu-Au porphyry deposit, Philippines: A melt-inclusion record of the initial ore-forming process
Publisher: Geological Society of America
Date: 1999
Melt Inclusions in Veins: Linking Magmas and Porphyry Cu Deposits
Publisher: American Association for the Advancement of Science (AAAS)
Date: 19-12-2003
Abstract: At a porphyry copper-gold deposit in Bajo de la Alumbrera, Argentina, silicate-melt inclusions coexist with hypersaline liquid- and vapor-rich inclusions in the earliest magmatic-hydrothermal quartz veins. Copper concentrations of the hypersaline liquid and vapor inclusions reached maxima of 10.0 weight % (wt %) and 4.5 wt %, respectively. These unusually copper-rich inclusions are considered to be the most primitive ore fluid found thus far. Their preservation with coexisting melt allows for the direct quantification of important ore-forming processes, including determination of bulk partition coefficients of metals from magma into ore-forming magmatic volatile phases.
Olivine-enriched melt inclusions in chromites from low-Ca boninites, Cape Vogel, Papua New Guinea: Evidence for ultramafic primary magma, refractory mantle source and enriched components
Publisher: Elsevier BV
Date: 03-2002
Significance of halogens (F, Cl) in kimberlite melts: Insights from mineralogy and melt inclusions in the Roger pipe (Ekati, Canada)
Publisher: Elsevier BV
Date: 02-2018
Isotopic Disequilibrium in Migmatitic Hornfels of the Gennargentu Igneous Complex (Sardinia, Italy) Records the Formation of Low 87Sr/86Sr Melts from a Mica-Rich Source
Publisher: Oxford University Press (OUP)
Date: 18-06-2018
High Sulfur in Primitive Arc Magmas, Its Origin and Implications
Publisher: MDPI AG
Date: 26-12-2021
DOI: 10.3390/MIN12010037
Abstract: Sulfur contents in 98.5% of melt inclusions (MI) from calc-alkaline subduction basalts do not exceed 4000 ppm, whereas experimentally established limits of sulfur solubility in basaltic melts with high fO2 (characteristic of subduction zones, e.g., QFM + 2) surpass 14,000 ppm. Here we show that primitive (Mg# 62-64) subduction melts may contain high sulfur, approaching the experimental limit of sulfur solubility. Up to 11,700 ppm S was measured in olivine-hosted MI from primitive arc basalt from the 1941 eruption of the Tolbachik volcano, Kamchatka. These MI often contain magmatic sulfide globules (occasionally enriched in Cu, Ni, and platinum-group elements) and anhydrite enclosed within a brown, oxidized glass. We conclude that the ubiquitous low sulfur contents in MI may originate either from insufficient availability of sulfur in the magma generation zone or early magma degassing prior to inclusion entrapment. Our findings extend the measured range of sulfur concentrations in primitive calc-alkaline basaltic melts and demonstrate that no fundamental limit of 4000 ppm S exists for relatively oxidized subduction basalts, where the maximum sulfur content may approach the solubility limit determined by crystallization of magmatic anhydrite.
Geology of the Acropolis prospect, South Australia, constrained by high-precision CA-TIMS ages
Publisher: Informa UK Limited
Date: 06-02-2020
Halogen systematics (Cl, Br, I) in Mid-Ocean Ridge Basalts: A Macquarie Island case study
Publisher: Elsevier BV
Date: 03-2012
Magmatic Fluids Immiscible with Silicate Melts: Examples from Inclusions in Phenocrysts and Glasses, and Implications for Magma Evolution and Metal Transport
Publisher: Wiley
Date: 23-12-2010
Origins of compositional heterogeneity in olivine-hosted melt inclusions from the Baffin Island picrites
Publisher: Springer Science and Business Media LLC
Date: 28-09-2004
Geodynamic Significance of the Mesoproterozoic Magmatism of the Udzha Paleo-Rift (Northern Siberian Craton) Based on U-Pb Geochronology and Paleomagnetic Data
Publisher: MDPI AG
Date: 29-11-2018
DOI: 10.3390/MIN8120555
Abstract: The emplacement age of the Great Udzha Dyke (northern Siberian Craton) was determined by the U-Pb dating of apatite using laser ablation inductively coupled plasma mass spectrometry (LA-ICPMS). This produced an age of 1386 ± 30 Ma. This dyke along with two other adjacent intrusions, which cross-cut the sedimentary units of the Udzha paleo-rift, were subjected to paleomagnetic investigation. The paleomagnetic poles for the Udzha paleo-rift intrusions are consistent with previous results published for the Chieress dyke in the Anabar shield of the Siberian Craton (1384 ± 2 Ma). Our results suggest that there was a period of intense volcanism in the northern Siberian Craton, as well as allow us to reconstruct the apparent migration of the Siberian Craton during the Mesoproterozoic.
Constancy of Nb/U in the mantle revisited
Publisher: Elsevier BV
Date: 07-2008
Magma chamber–scale liquid immiscibility in the Siberian Traps represented by melt pools in native iron
Publisher: Geological Society of America
Date: 10-2013
DOI: 10.1130/G34638.1
Limited influence of subducted continental material on mineralogy and elemental geochemistry of primitive magmas from Indonesia-Australia collision zone
Publisher: Elsevier BV
Date: 09-2008
First insights on the metallogenic signature of magmatic fluids exsolved from the active magma chamber of Vesuvius (AD 79 “Pompei” eruption)
Publisher: Elsevier BV
Date: 03-2011
Multivariate Statistical Analysis of Trace Elements in Pyrite: Prediction, Bias and Artefacts in Defining Mineral Signatures
Publisher: MDPI AG
Date: 10-01-2020
DOI: 10.3390/MIN10010061
Abstract: Pyrite is the most common sulphide in a wide range of ore deposits and well known to host numerous trace elements, with implications for recovery of valuable metals and for generation of clean concentrates. Trace element signatures of pyrite are also widely used to understand ore-forming processes. Pyrite is an important component of the Olympic Dam Cu–U–Au–Ag orebody, South Australia. Using a multivariate statistical approach applied to a large trace element dataset derived from analysis of random pyrite grains, trace element signatures in Olympic Dam pyrite are assessed. Pyrite is characterised by: (i) a Ag–Bi–Pb signature predicting inclusions of tellurides (as PC1) and (ii) highly variable Co–Ni ratios likely representing an oscillatory zonation pattern in pyrite (as PC2). Pyrite is a major host for As, Co and probably also Ni. These three elements do not correlate well at the grain-scale, indicating high variability in zonation patterns. Arsenic is not, however, a good predictor for invisible Au at Olympic Dam. Most pyrites contain only negligible Au, suggesting that invisible gold in pyrite is not commonplace within the deposit. A minority of pyrite grains analysed do, however, contain Au which correlates with Ag, Bi and Te. The results are interpreted to reflect not only primary patterns but also the effects of multi-stage overprinting, including cycles of partial replacement and recrystallisation. The latter may have caused element release from the pyrite lattice and entrapment as mineral inclusions, as widely observed for other ore and gangue minerals within the deposit. Results also show the critical impact on predictive interpretations made from statistical analysis of large datasets containing a large percentage of left-censored values (i.e., those falling below the minimum limits of detection). The treatment of such values in large datasets is critical as the number of these values impacts on the cluster results. Trimming of datasets to eliminate artefacts introduced by left-censored data should be performed with caution lest bias be unintentionally introduced. The practice may, however, reveal meaningful correlations that might be diluted using the complete dataset.
Kimberlite melts rich in alkali chlorides and carbonates: A potent metasomatic agent in the mantle
Publisher: Geological Society of America
Date: 2004
DOI: 10.1130/G20821.1
Melt inclusion record of immiscibility between silicate, hydrosaline, and carbonate melts: Applications to skarn genesis at Mount Vesuvius
Publisher: Geological Society of America
Date: 2001
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