Web Access Research Portal

Researcher: Stepanov, A (Mr Sasha Stepanov)

Fields of Research

Geochronology
Igneous and metamorphic petrology
Exploration geochemistry
Inorganic geochemistry
Resource geoscience
Mineralogy and crystallography
Structural geology and tectonics
Marine geoscience
Isotope geochemistry
Geology
Electrochemistry
Geochemistry

Research Objectives

Mining and extraction of copper ores
Expanding knowledge in the earth sciences
Diamond exploration
Mineral exploration
Precious (noble) metal ore exploration
Other mineral resources (excl. energy resources)
Mining and extraction of precious (noble) metal ores
Mining and extraction of titanium minerals, zircon, and rare earth metal ores (e.g. monazite)
Primary mining and extraction of minerals
Copper ore exploration
Titanium minerals, zircon, and rare earth metal ore (e.g. monazite) exploration
Management of solid waste from energy activities

Career Best Publications

Brown diamonds from an eclogite xenolith from Udachnaya kimberlite, Yakutia, Russia; Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy
Experimental study of monazite/melt partitioning with implications for the REE, Th and U geochemistry of crustal rocks; Chemical Geology
Fractionation of Nb and Ta by biotite and phengite: implications for the “missing Nb paradox”; Geology
Geochemistry of ultrahigh-pressure anatexis: fractionation of elements in the Kokchetav gneisses during melting at diamond-facies conditions; Contributions to Mineralogy and Petrology
Metapyroxenite in the mantle transition zone revealed from majorite inclusions in diamonds; Geology
The key role of mica during igneous concentration of tantalum; Contributions to Mineralogy and Petrology
The origin of shoshonites: new insights from the Tertiary high-potassium intrusions of eastern Tibet; Contributions to Mineralogy and Petrology

Research Publications

Brown diamonds from an eclogite xenolith from Udachnaya kimberlite, Yakutia, Russia; Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy
Causes of variations in morphology and impurities of diamonds from the Udachnaya Pipe eclogite; Russian Geology and Geophysics
Chemical heterogeneity in the diamondiferous eclogite xenolith from the Udachnaya Kimberlite Pipe; Doklady Earth Sciences
CHLORITE AND EPIDOTE CHEMISTRY FOR QUANTUM PACIFIC EXPLORATION, February 2016
CODES report to Newcrest: Lienetz, Lihir PNG pyrite study
Contrasting P-T paths within the Barchi-Kol UHP terrain (Kokchetav Complex): Implications for subduction and exhumation of continental crust; American Mineralogist
Cycles of nutrient trace elements in the Phanerozoic ocean; Gondwana Research
Deconvolution of the composition of fine-grained pyrite in sedimentary matrix by regression of time-resolved LA-ICP-MS data; American Mineralogist
Discussion: 'Xenoliths in ultrapotassic volcanic rocks in the Lhasa block: direct evidence for crust-mantle mixing and metamorphism in the deep crust' by Wang et al. 2016 (Contributions to Mineralogy and Petrology) 171:62; Contributions to Mineralogy and Petrology
Evaluating porphyry Cu fertility using epidote and chlorite geochemistry for BHP Chile, Dec 2015 - batch 21
Evaluating porphyry Cu-Au fertility using epidote and chlorite geochemistry for Mt Kasi project, report to Newcrest
Evolution of pyrite trace element compositions from porphyry-style and epithermal conditions at the Lihir gold deposit: implications for ore genesis and mineral processing; Economic Geology and The Bulletin of The Society of Economic Geologists
Experimental study of monazite/melt partitioning with implications for the REE, Th and U geochemistry of crustal rocks; Chemical Geology
Exploring the porphyry environment: Cadia Valley green rock case study final report, March 2015
Final report on the Telfer pyrite project
Fractionation of Nb and Ta by biotite and phengite: implications for the “missing Nb paradox”; Geology
Geochemistry of ultrahigh-pressure anatexis: fractionation of elements in the Kokchetav gneisses during melting at diamond-facies conditions; Contributions to Mineralogy and Petrology
Gold and Arsenopyrite Exsolution and Limits of Arsenic Solubility in Pyrite Investigated by SEM, EPMA, and LA-ICPMS; Microscopy & Microanalysis
Growth rate of the preserved continental crust: II. Constraints from Hf and O isotopes in detrital zircons from Greater Russian Rivers; Geochimica et Cosmochimica Acta
Imaging of trace element distribution in zircon by LA-ICP-MS: insights into ultrahigh-pressure anatexis; European Geosciences Union General Assembly 2014
Lihir pyrite etching as an instrument for visualisation and quantification of pyrite chemistry
Magnetite and epidote chemistry and textures at Ferrobamba Cu-Au-Fe skarn
Melting History of an Ultrahigh-pressure Paragneiss Revealed by Multiphase Solid Inclusions in Garnet, Kokchetav Massif, Kazakhstan; Journal of Petrology
Melting of subducted felsic crust; Goldschmidt 2015
Metapyroxenite in the mantle transition zone revealed from majorite inclusions in diamonds; Geology
Multi-stage enrichment processes for large gold-bearing ore deposits; Ore Geology Reviews
Multi-stage enrichment processes for large gold-bearing ore deposits; SEG 2015 Conference
Nb-Ta fractionation in peraluminous granites: a marker of the magmatic-hydrothermal transition; Geology
New data on the nature of the EPR OK1 and N3 centers in diamond; Applied Magnetic Resonance
P313 U-Pb geochronology in mafic rocks: report for MMG, March 2017
P331 U-Pb zircon geochronology: report to Anglo American, February 2017
P332 U-Pb geochronology for quantum Pacific exploration, January 2017
P333 U-Pb geochronology for Anglo-American, February 2017
P339 U-Pb geochronology of zircons from igneous rocks: report to James Cook University, March 2017
P340 report 1: U-Pb geochronology of zircons from igneous rocks and sedimentary rocks: report to Sernageomin, March 2017
P340 report 2: U-Pb zircon geochronology: report for Sernageomin, August 2017
P345 U-Pb geochronology for Anglo-American, February 2017
P349 U-Pb geochronology of zircons: report to Xanadu Mines, March 2017
P350 U-Pb geochronology of rocks for Quantum Pacific Exploration, March 2017
P352 U-Pb zircon geochronology: report 1 for Anglo-American, April 2017
P353 U-Pb zircon geochronology: report 2 for Anglo-American, April 2017
P354 U-Pb zircon geochronology: report for Çukurova University, May 2017
P356 U-Pb zircon geochronology: report 3 for Anglo-American, April 2017
P357 U-Pb zircon geochronology: report 1 for Anglo-American, May 2017
P358 U-Pb zircon geochronology: Report 2 for Anglo-American, May 2017
P444 - U-Pb zircon geochronology: report for Anglo-American, September 2017
P445 U-Pb zircon geochronology and trace element chemistry: a report Quantum Pacific Exploration, October 2017
P449 U-Pb zircon geochronology: report for Akita University, July 2017
P458 Quantitative mineralogy and identification of Sb-bearing minerals
P461 U-Pb zircon geochronology: report for Anglo-American, October 2017
P462 U-Pb zircon geochronology and trace element chemistry: report to MMG, November 2017
P464 U-Pb zircon geochronology and trace element chemistry: a report Quantum Pacific Exploration, October 2017
P465 U-Pb zircon geochronology and trace element chemistry: a report to Kincora Copper, October 2017
P467 U-Pb zircon geochronology and trace element chemistry: report to First Quantum, December 2017
P469: U-Pb zircon geochronology and trace element chemistry: a report Quantum Pacific Exploration, November 2017
P470 U-Pb zircon geochronology: a report Novo resources, November 2017
P476: Quantitative mineralogy and identification of Ag- and Pb-bearing minerals in one sample
P478 U-Pb zircon geochronology and trace element chemistry: A report for Quantum Pacific Exploration, December 2017
P479 U-Pb zircon geochronology and trace element chemistry: A report for Quantum Pacific Exploration, December 2017
P492: Quantitative mineralogy and identification of Ag- and Pb-bearing minerals in 3 samples of 1110C (Breccia Oxide, Breccia Transitional No Cb/Mg, Breccia Transitional Cb/Mg)
P518 U-Pb zircon geochronology and trace element chemistry: A report to Stavely Minerals, February 2018
P522 U-Pb geochronology: Report March 2018
P525: Quantitative mineralogy and identification of Zn- and Pb-bearing minerals
P529 U-Pb zircon geochronology and trace element chemistry: Emsaec, April 2018
P536: Quantitative mineralogy and identification of Zn- and Pb-bearing minerals in four size fractions of 4 composite samples
P544: Quantitative mineralogy, gold deportment and identification of Cu sulphides
P564: quantitative mineralogy and identification of Zn- and Pb-bearing minerals in four size fractions of 4 composite samples
P586 U-Pb zircon geochronology and trace element chemistry: July 2018
P588: quantitative mineralogy and identification of Zn- and Pb-bearing minerals in four size fractions of 4 composite samples
Pb-isotopic constraints on the source of A-type Suites: insights from the Hiltaba Suite - Gawler Range Volcanics Magmatic Event, Gawler Craton, South Australia; Lithos
Physicochemical conditions of crystallization of dunites of the Nizhnii Tagil Pt-bearing massif (Middle Urals); Russian Geology and Geophysics
Raman mapping of coesite inclusions in garnet from the Kokchetav Massif (Northern Kazakhstan); Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy
Recrystallization of metastable arsenian pyrite as a source of metals for metamorphic fluids; SEG 2015 Conference
Release of trace elements through the sub-greenschist facies breakdown of detrital rutile to metamorphic titanite in the Otago Schist, New Zealand; The Canadian Mineralogist
Report on geochemistry of quartz from Gosowong goldfield
Report on U-Pb zircon geochronology and trace elements: BHP (Chile), P600 batch 1
Report on U-Pb zircon geochronology and trace elements: BHP (Chile), P600 batch 3
Report on U-Pb zircon geochronology and trace elements: UWA, P637
Report on U-Pb zircon geochronology: First Quantum, P597
Report to Barrick on alunite chemistry and paragenesis
Report to Barrick on quartz chemistry
Report to Newcrest on trace element imaging of Red Dome skarn
Role of upper-most crustal composition in the evolution of the Precambrian ocean-atmosphere system; Earth and Planetary Science Letters
Stability and metastability of arsenian pyrite; Goldschmidt 2015
Study of local concentration of single substitutional nitrogen atoms in microdiamonds from the Kokchetav massif; European Journal of Mineralogy
The key role of mica during igneous concentration of tantalum; Contributions to Mineralogy and Petrology
The key role of mica during igneous concentration of tantalum: implications for exploration for rare metal deposits; European Geosciences Union General Assembly 2014
The key role of mica in concentration of tantalum during magmatic fractionation of granites; SEG 2015 Conference
The origin of shoshonites: new insights from the Tertiary high-potassium intrusions of eastern Tibet; Contributions to Mineralogy and Petrology
Trace element analysis of rutile
Trace element analysis of sulfide minerals from Kudz Ze Kayah VHMS Deposit, Yukon
Trace element analysis of sulphide minerals from Kudz Ze Kayah VHMS Deposit, Yukon, batches 1, 2, 3
TRACE ELEMENT ANALYSIS OF SULPHIDE MINERALS FROM KUDZ ZE KAYAH VHMS DEPOSIT, YUKON, Batches 1, 2, 3
Trace element composition of cassiterite from skarn systems for Venture Minerals, P548
Trace elements in zircon and U-Pb geochronology: report to Teck, May 2017
U-PB GEOCHRONOLOGY FOR ANTOFAGASTA MINERALS, December 2016
U-PB GEOCHRONOLOGY FOR ANTOFAGASTA MINERALS, September 2016
U-PB GEOCHRONOLOGY FOR COPPER CREEK PROJECT, November 2016
U-PB GEOCHRONOLOGY FOR COPPER CREEK PROJECT, September 2016
U-Pb geochronology for First Quantum, March 2017
U-Pb geochronology for Jorge Sanhueza at Anglo-American, January 2017
U-PB GEOCHRONOLOGY FOR KINCORA COPPER December 2016 (VERSION 2)
U-Pb geochronology for MMG, January 2017
U-PB GEOCHRONOLOGY FOR PABLO VILLEGAS AT ANGLO-AMERICAN, September 2016
U-PB GEOCHRONOLOGY OF ROCKS FOR MMG, October 2016
U-Pb geochronology of rocks for Quantum Pacific Exploration, May 2017
U-PB GEOCHRONOLOGY OF ROCKS FOR QUANTUM PACIFIC EXPLORATION, November 2016
U-PB GEOCHRONOLOGY OF ROCKS FOR QUANTUM PACIFIC EXPLORATION, November 2016
U-PB GEOCHRONOLOGY OF ROCKS FOR QUANTUM PACIFIC EXPLORATION, October 2016
U-PB GEOCHRONOLOGY OF ROCKS FOR QUANTUM PACIFIC EXPLORATION, September 2016
U-Pb zircon and baddeleyite geochronology: A report to Novo Resources, May 2018 P541
U-Pb zircon geochronology and trace element chemistry: a report Quantum Pacific Exploration, July 2017 P407
U-Pb zircon geochronology and trace element chemistry: a report Quantum Pacific Exploration, July 2017 P414
U-Pb zircon geochronology and trace element chemistry: a report Quantum Pacific Exploration, June 2017 P402
U-Pb zircon geochronology and trace element chemistry: a report Quantum Pacific Exploration, June 2018 P583
U-Pb zircon geochronology and trace element chemistry: a report Quantum Pacific Exploration, June 2018 P584
U-Pb zircon geochronology and trace element chemistry: a report Quantum Pacific Exploration, June 2018 P598
U-Pb zircon geochronology and trace element chemistry: a report Quantum Pacific Exploration, May 2018 P555
U-Pb zircon geochronology and trace element chemistry: a report Quantum Pacific Exploration, May 2018 P563
U-Pb zircon geochronology and trace element chemistry: a report Quantum Pacific Exploration, October 2017 P460
U-Pb zircon geochronology and trace element chemistry: a report Quantum Pacific Exploration, September 2017 P453
U-Pb zircon geochronology and trace element chemistry: A report to Barrick, February 2018 P489
U-Pb zircon geochronology and trace element chemistry: A report to Kincora Copper, January 2018 P490
U-Pb zircon geochronology and trace element chemistry: A report to Kincora Copper, January 2018 P510
U-Pb zircon geochronology and trace element chemistry: A report to Quantum Pacific Exploration, February 2018 P514
U-Pb zircon geochronology and trace element chemistry: A report to Quantum Pacific Exploration, February 2018 P519
U-Pb zircon geochronology and trace element chemistry: A report to Quantum Pacific Exploration, January 2018 P511
U-Pb zircon geochronology and trace element chemistry: A report to Sernageomin, P499
U-Pb zircon geochronology and trace element chemistry: A report to Teck Resources, February 2018 P488
U-Pb zircon geochronology and trace element chemistry: Barrick Chile, January 2018 P497
U-Pb zircon geochronology and trace element chemistry: Barrick Chile, January 2018 P515
U-Pb zircon geochronology and trace element chemistry: report to Barrick, P485
U-Pb zircon geochronology and trace element chemistry: report to First Quantum, July 2018 P500
U-Pb zircon geochronology and trace element chemistry: report to First Quantum, July 2018 P517
U-Pb zircon geochronology and trace element chemistry: report to First Quantum, March 2018 P502
U-Pb zircon geochronology and trace element chemistry: report to MMG, January 2018 P491
U-Pb zircon geochronology and trace element chemistry: report to Teck, July 2018 P592
U-Pb zircon geochronology and trace elementchemistry: A report to Quantum PacificExploration, January 2018 P504
U-Pb zircon geochronology and trace elements: Report for BHP, P600 batch 2
U-Pb zircon geochronology report for MMG, P578
U-Pb zircon geochronology report: Anglo American Ecuador, P633
U-Pb zircon geochronology report: Kincora copper, P630
U-Pb zircon geochronology report: Kincora Copper, P640
U-Pb zircon geochronology report: Sunstone Metals, P617
U-Pb zircon geochronology report: Teck - Chile, P603
U-Pb zircon geochronology: A report for Novo Resources, January 2018 P482
U-Pb zircon geochronology: Report for Anglo-American, April 2018, P539
U-Pb zircon geochronology: report for Anglo-American, July 2017, P401
U-Pb zircon geochronology: report for Anglo-American, June 2017, P376
U-Pb zircon geochronology: report for Anglo-American, June 2017, P377
U-Pb zircon geochronology: report for Anglo-American, June 2017, P383
U-Pb zircon geochronology: report for Anglo-American, June 2017, P384
U-Pb zircon geochronology: report for Anglo-American, June 2018, P574
U-Pb zircon geochronology: report for Anglo-American, June 2018, P575
U-Pb zircon geochronology: report for Anglo-American, June 2018, P577
U-Pb zircon geochronology: Report for Anglo-American, March 2018, P527
U-Pb zircon geochronology: report for Anglo-American, May 2017, P372
U-Pb zircon geochronology: report for Anglo-American, May 2018, P554
U-Pb zircon geochronology: Report for Barrick, March 2018, P509
U-Pb zircon geochronology: report for First Quantum, July 2017, P400
U-Pb zircon geochronology: report for MMG, July 2017, P368
U-Pb zircon geochronology: report for NSW Geological Survey, July 2017, P393
U-Pb zircon geochronology: report for Sernageomin, July 2017, P397
UHP gneisses of the Kockhetav complex are sources for proto-shoshonite melts; European Geosciences Union General Assembly 2014
Whole rock and discrete pyrite geochemistry as complementary tracers of ancient ocean chemistry: an example from the Neoproterozoic Doushantuo Formation, China; Geochimica Et Cosmochimica Acta

Research Projects

Chemistry of minerals associated with the occurrence of native metals (in Tasmania); Australian Institute of Nuclear Science & Engineering (AINSE)
Goldschmidt Conference, Prague, Czech Republic; University of Tasmania (UTAS)
Chemistry of minerals associated with the occurrence of native metals (in Tasmania)

Research Candidate Supervision