Dr Dmitry Y. Tonkacheev (born. 19/03/1990). Moscow, Russian Federation

I was interested in mineralogy since I was ten. My first rock in the collection was obsidian. Now, I perform some research in the field of spectroscopy of minerals (EPMA, LA-ICP-MS, and XAS) and experimental petrology. I also do some works in the field of ore mineralogy.

Education

2022 PhD in chemistry. Title of the PhD thesises "Geochemical aspects of incorporation and chemical states of Hg and Au in sphalerite" Degree was obtained at Institute of Geochemistry and Analytical Chemistry Russian Academy of Sciences

2011-2013 Ms.Sc. Lomonosov Moscow State University. Geological department. Laboratory of mineralogy.

2007-2011 B.Sc. Lomonosov Moscow State University. Geological department. Laboratory of mineralogy.

Research interests

Mineralogy of ore deposits, spectroscopy of minerals, LA-ICP-MS, EPMA, XAS, rare minerals, crystal chemistry

Titles of the annual research works

2013 New data on mineralogy Tsumeb deposit, Namibia. Supervisor – Spiridonov E.M.

2011 Mineralogy of the contact zone of VHMS deposit Tsumeb (Namibia), Supervisor – Spiridonov E.M.

2010 New data on the alkaline sulphides, Khibiny Massif (Kola Peninsula), Supervisor – Pekov I.V.

2008 The concept of a mineral, mineral species, variety. mineralogical nomenclature, Supervisor - Spiridonov E.M.

Field-works
2014, 2015, 2016 Krasnoyarsk territory, Enicey River Basin. Expedition of the Russian's State Research Institute of Nonferrous and Noble Metals ("TSNIGRI")
2013 Monchegorsk (Kola peninsula)
2012 South Urals, Russia and field-work in Swiss Alps
2011 Northern Karelia and Kola peninsula, South Urals
2010 South Urals, South and Middle Karelia
2009 Northern Karelia

Educational practices

2009 South Karelia (mineralogical practice)
2008 South Ural (petrological practice), Crimea peninsula (practice for Mapping)
2007 Crimea peninsula (general geological practice)

Articles

Filimonova O.N., Trigub A.L., Tonkacheev D.E., Nickolsky M.S., Kvashnina K.O., Chareev D.A., Chaplygin I.V., Kovalchuk E.V., Lafuerza S. and Tagirov B.R. (2019) Substitution mechanisms in In-, Au-, and Cu-bearing sphalerites studied by X-ray absorption spectroscopy of synthetic compounds and natural minerals. Mineralogical Magazine 83, 435–451. https://doi.org/10.1180/mgm.2019.10

Chareev D.A., Volkova O.S., Geringer N.V., Evstigneeva P.V., Zgurskiy N.A., Koshelev A.V., Nekrasov A.N., Osadchii V.O., Osadchii, E.G., Tonkacheev D.E., Filimonova O.N. The synthesis of crystals of K, Zr, Hf, Hg and other chalcogenides in salt melts in a permanent temperature gradient Crystallography Reports, submitted in May 2018

Tonkacheev D.E., Chareev D.A., Abramova V.D., Kovalchuk E.V., Vikentyev I.V., Tagirov B.R. (2019) The substitution mechanism of Au in In-, Fe- and In-Fe-bearing synthetic crystals of sphalerite, based on the data from EPMA and LA-ICP-MS study. Litosfera,
19(1), 148-161. DOI: 10.24930/1681-9004-2019-19-1-148-161 https://www.lithosphere.ru/jour/article/view/1151/0

Ilya Vikentyev, Olga Vikent’eva, Eugenia Tyukova, Maximilian Nikolsky, Julia Ivanova, Nina Sidorova, Dmitry Tonkacheev, Vera Abramova, Vyacheslav Blokov, Adelina Spirina, Diana Borisova and Galina Palyanova Noble metal speciations in hydrothermal sulphides. Minerals, 2021, 11(5), 488 doi:10.3390/min11050488

Tonkacheev D., Vikentyev I., Vymazalova A., Merkulova M., Trigub A., Kovalchuk E., Makeyev A., Osadchii V. The chemical state of Hg in synthetic crystals of zinc and mercury sulfides studied by XAFS spectroscopy Journal of Solid State Chemistry, 2022, Vol. 305, 122708

Conferences

The mineralogy of cadmium in VHMS deposit Tsumeb, Namibia.
A conference dedicated to the tercentenary of Lomonosov’s birth. Moscow, November 2011

New data on sulphides from Tsumeb deposit, Namibia
2nd International Mindat.org Conference, Midelt, Marocco, November 2012

Mineralogical excursion in North Karelia and Murmanskaya Oblast', Russia
2nd International Mindat.org Conference, Midelt, Marocco, November 2012

Unique germanium and gallium supergene mineralization of VHMS deposit Tsumeb (Namibia)
XX International Conference "Lomonosov". Moscow, April 2013

D.E.Tonkacheev, D.A.Chareev, V.D.Abramova, M.A.Yudovskaya, E.A.Minervina, B.R.Tagirov. Sphalerite as a matrix for noble, non-ferrous metals and semimetals: A EPMA and LA-ICP-MS study of synthetic crystals. 13th SGA Biennial Meeting, Nancy, France, 2015, August
(full text in English https://www.researchgate.net/publication/281551410_Sphalerite_as_a_matrix_for_noble_non-ferrous_metals_and_semimetals_A_EPMA_and_LA-ICP-MS_study_of_synthetic_crystals)

D.E.Tonkacheev, D.A.Chareev, M.A.Yudovskaya, E.A.Minervina, B.R.Tagirov. Sphalerite as a matrix for noble, non-ferrous metals and semimetals: A EPMA and LA-ICP-MS study of synthetic minerals. Paper presented at the Goldschmidt Conference, Prague, 2015, August, p.3152 http://goldschmidt.info/2015/uploads/abstracts/finalPDFs/3152.pdf

D.E.Tonkacheev, D.A.Chareev, V.A.Abramova, B.R.Tagirov, N.D.Trofimov. "Invisible" gold and PGE elements in synthetic crystals of sphalerite, greenockite and covellite: A EPMA, LA-ICP-MS and XAFS study. Paper presented at Fifteenth International Symposium on Experimental Mineralogy, Petrology and Geochemistry, Zurich, June 2016

D.E. Tonkacheev Errors in the determination of the limits of detection, using JEOL electron microprobe interface. Paper presented at the European General Assembly, April 2017, Vienna

Tonkacheev D., Filimonova O., Tagirov B., Trigub A., Kvashnina K., Lafuerza S., Chareev D. The Coupled Chemistry of In and Au in Sphalerite Studied by X-Ray Absorption Spectroscopy of Synthetic Crystals. Paper presented at the Goldschmidt Conference, Boston, Massachutes, 2018, August, p. 2554


Awards

The Winner in the Moscow’s Contests in Geology among high school students in 2006 and 2007

The Winner of the contest in the field of science micro photo, organized by the Russian Mineralogical Society in 2015 Photo http://www.mindat.org/photo-713698.html

Finalist of the EGU Photo Contest 2016 http://imaggeo.egu.eu/photo-contest/2016/

Special courses

High-Pressure Experimental Techniques and its applications to the Earth's interior
Bayreuth, Germany. 23-28 February 2015

Iolite Workshop at Goldschmidt Conference (LA-ICP-MS data processing software ) Prague, Czech Republic, 12-13 August 2015

Electron Probe Microanalysis Course, ETH, Zurich, Switzerland. 1-12 February 2016

Special course on Raman Spectroscopy, Leoben, Austria. 11-15 April 2016

GEMS and GEMFITT Program, Boston, USA. 11-12 August 2018

XAFS Hands-on Course at DESY, Hamburg, Germany. 2-8 September 2018

XRD Crystallography at Synchrotron Sources at Swiss Light Source, PSI, Switzerland. 24-28 September 2018

Zurich School of Crystallography 2019, Zurich. Switzerland. 16-27 June 2019

Research projects

Structural and valence state of the main components and trace elements in synthetic chalcogenides - analogues of natural minerals - concentrators of non-ferrous and precious metals

Experimental study of the chemical state of zirconium and hafnium in hydrothermal fluids and solutions

The chemical state of Au and Pt in the hydrothermal solutions, according to the data from modern experiments

Distribution and chemical state of Noble metals in various types of deposits from magmatic to hydrothermal as an indicator of mineral formation

Sources of hydrothermal fluids and mechanisms of concentration of heavy metals in oceanic and paleoceanic series

Work experience

February 2011- May 2011 Laboratory assistant, Institute of Ore Deposits, Mineralogy, Petrology and Geochemistry Russian Academy of Science

2009-2015 Teacher in of the Geological School (vocational guidance program for high school students) at Lomonosov Moscow State University

July 2014 - September 2014 Geologist in the expedition of State Geological Research Institute of Noble and Non-Ferrous Metals Ministry of Natural Resources of Russian Federation

March 2015- November 2015 Principal Engineer. Institute of Geology of Ore Deposits, Mineralogy, Petrology and Geochemistry Russian Academy of Sciences

April 2016 - December 2016 - Researcher. Laboratory of high-temperature electrochemistry. Institute of Experimental Mineralogy Russian Academy of Sciences

May 2017 - September 2017 - Researcher. State Geological Research Institute of Noble and Non-Ferrous Metals Ministry of Natural Resources of Russian Federation

March 2016 - present - Researcher. Laboratory of Geochemistry. Institute of Geology of Ore Deposits, Mineralogy, Petrology and Geochemistry Russian Academy of Sciences

Language skills

English (upper-intermediate)
German (Goethe-Zertifikat A1: Start Deutsch)

Hobbies

Tennis, beekeeping, horseback riding, pedagogy and psychology, collecting of minerals

More about my research interests
(if anyone interested in)