Education
BSc in Geology, Sofia University, Faculty of Geology and Geography, Department of Mineralogy, Petrology and Economic Geology, 1998
MSc in Geology (Mineralogy and Crystallography), Sofia University, Faculty of Geology and Geography, Department of Mineralogy, Petrology and Economic Geology, 2000
PhD in Mineralogy and Crystallography, Geological Institute, Bulgarian Academy of Sciences, 2009. PhD Thesis: Mineralogy of the ore deposits and occurrences in the Chiprovtsi ore zone.

Positions held
2000 - 2002 - geologist, Geological Institute, Bulgarian Academy of Sciences
2004 - 2009 - Assist., Geological Institute, Bulgarian Academy of Sciences
2003 - 2008 - correspondent PhD student, Geological Institute, Bulgarian Academy of Sciences
2010 - now - Assist. Prof., Geological Institute, Bulgarian Academy of Sciences
2008 - now - webmaster of Geochemistry, Mineralogy and Petrology journal webpage

Membership in scientific organizations
Society for Geology Applied to Mineral Deposits (SGA)
Geochemical Society (GS)

Main fields of scientific research
Ore mineralogy, sulphides and sulphosalts, mineral deposits of Au, Ag, Cu, Pb, Zn, mineral transformations, environmental mineralogy; LA-ICP-MS

Participation in programmes and projects
Multielement analyses of bottom sediments and nodules by LA-ICP-MS and gamma-alpha spectrometry for the acquisition of baseline data in the Interoceanmetal exploration area in the Pacific Ocean, Project Leader: Prof. Dr. Irena Peytcheva (GI, BAS) (10.2012-03.2013)

Study of mineral composition, hydrothermal alteration, geochemical and isotope characteristics and geochronology of Tran prospect, Bulgaria. Contract with Euromax Resources Ltd. Project Leader: Prof. Dr. Irena Peytcheva (GI, BAS), (09.2011-05.2012)

Mobilization of hazardous metals, metalloids and non-metals from ore and coal industrial waste facilities: migration and accumulation in soils and components of the foodchain. Joint research project with PR China. DNTS/China 01/7, 2011-2013, National Science Fund, Leader: Assoc. Prof. Dr. Mariana Yossifova

Development of method for LA-ICP-MS study of ore minerals and hydrothermally altered rocks. DMU 03/78, 2011-2013, National Science Fund, Leader: Dr. Dimitrina Dimitrova

Technical assignment with Assarel-Medet AD for appraisal of copper and gold deposits in Republic of Georgia, Leader: Assoc. Prof. Dr. Thomas Kerestedjian

Trace element and isotope studies of rocks, soil, minerals, coal, waters and archeological artifacts by laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS), RNF01/0006 (2008-2010), National Science Fund, Leader: Res. Prof. D.Sc. Peter Marchev

Au-Ag- telluride-selenide deposits in Europe, IGCP 486, (2003-2007), Dr. Nigel Cook (Norway), Dr. Kari Kojonen (Finland)
Safe Management of Mining Waste and Waste Facilities, contract No: 044126 (SAFEMANMIN), ERA-ENV, 6th Framework Programme, (2006-2007), Leader for Bulgarian team: Prof. Dr. Thomas Kerestedjian

Transformation and remobilization of some constituents of arsenic and antimony containing mining and refining waste materials in the vicinity of the town of Chiprovtzi, Montana district - environmental impact, NZ-MU-1507/2005, (2005-2007), National Science Fund, Leader: Dr. Dimitrina Dimitrova

Geoecological assessment of the tailing impoundment waste as main pollutant for the environment (soil, water and vegetation) in the Chiprovtsi area, Northwestern Bulgaria, VU-NZ-04/2005, (2005-2008), National Science Fund, Leader: Assoc. Prof. Dr. Vassilka Mladenova (Sofia University)

Gold content and state of gold in arsenopyrite and gold-bearing pyrite from Bulgarian deposits, NZ-710/1997, (1997-2000), National Science Fund, Leader: Assoc. Prof. Dr. Vassilka Mladenova (Sofia University)

Scientific Awards
1998 – 2nd award in First Scientific Competition “The Earth – known and unknown”, category “Students”, title: “Crystallomorphological investigation of arsenopyrite from deposits in the area of the villages Kopilovtsi, Diva Slatina and Govezhda, Western Balkan”

Training
13th-27th October 2007, Beijing, China – training course “Mineral Modeling and Assessment: Theory, Technology and Application”, organized by Institute of Mineral Resources, Chinese Academy of Geological Sciences, represented by Prof. Jingwen Mao.

Publications:
Bulgarian scientific journals
Dimitrova D., Z. Milakovska, I. Peytcheva, E. Stefanova, V. Stoyanova, T. Abramowski, M. Waelle. 2014. Trace element and REY composition of polymetallic nodules from the Eastern Clarion–Clipperton Zone determined by in-situ LA-ICP-MC analyses, Compt. rend. Acad. bulg. Sci., 67, 2, 267-274. ISSN 1310-1331.

Dimitrova, D., T. Kerestedjian. 2006. Bismuth minerals in the postskarn sulphide-arsenide mineralization in the Martinovo iron deposit, Northwestern Bulgaria. Geochem. Mineral. Petrol., 44, 19-32.

Mladenova, V., T. Kerestedjian, D. Dimitrova. 2003. The Govezhda gold deposit, Western Balkan Mountain, Bulgaria. Geochem. Mineral. Petrol., 40, 109-121.

Mladenova, V., T. Kerestedjian, D. Dimitrova. 2001. Ag-Cu-Pb-Bi mineralization from the Svishti Plaz gold deposit, Central Balkan mountain, Bulgaria. Geochem. Mineral. Petrol., 38, 55-66.

Proceedings of international congresses and conferences
Dimitrova, D. Tz. Iliev, V. Mladenova. 2013. Morphology and compositional features of pyrite in the Martinovo and Chiprovtsi deposits, Northwestern Bulgaria. Proceedings of the 12th Biennial SGA Meeting, 12–15 August 2013, Uppsala, Sweden,184-187. ISBN 978-91-7403-207-9

Yossifova, M., Dimitrova, D., 2013. Concentration trend of trace elements in coal, partings and vegetation from the Maritza East Coal region, Bulgaria. In: Erik Jonsson et al. (Eds). Proceedings volume 4, 12th Biennial SGA Meeting 12-15 August 2013, Uppsala, Sweden, 1878-1881. ISSN: 978-91-7403-207-9.

Mladenova, V., Ts. Kotsev, Z. Cholakova, R.-T. Schmitt, I. Ivanova, D. Dimitrova. 2010. Pollution with arsenic and heavy metals of soils and some components of the food chain in the environment of Goliam Bukovets mine tailings impoundment, Chiprovtsi mining area, NW Bulgaria. Proceedings of the XIX CBGA Congress, Thessaloniki, Greece, Scientific Annals, School of Geology, Aristotle University of Thessaloniki, Spec. Vol. 100, 105-111.

Dimitrova, D., T. Kerestedjian, M. Petrova. 2007. Cinnabar-pyrite mineralization associated with fluorite replacement bodies in the Chiprovtsi silver-lead deposit, Northwestern Bulgaria. In: C. Andrew et al. (Eds.) “Proceedings of the 9th Biennial SGA Meeting Mineral Exploration and Research: Digging Deeper”, 20-23.08.2007, Dublin, Ireland, 873-876.

Dimitrova, D., T. Kerestedjian, M. Petrova, Ts. Iliev. 2007. Compositional variations in the tetrahedrite-tennantite fahlores and polybasite-pearceite series from the Chiprovtsi Ag-Pb deposit, northwestern Bulgaria. In: K.K. Kojonen, N.J. Cook, V. Juhani Ojala (Eds.) “Proceedings of the 2007 Field Workshop of IGCP 486, Espoo, Finland, 26-31.08.2007”, 39-44.

Dimitrova, D., Z. Cholakova, N. Velitchkova, Ts. Kotsev, V. Mladenova, T. Kerestedjian, D. Antonov. 2007. Heavy metal and metalloid concentration dynamics in mine and surface waters in the vicinity of Chiprovtsi and Martinovo mines, Northwestern Bulgaria. In: Proceedings of 11th G. S. G. Congress, May 2007, Athens, Greece, 3, 1397-1408.

Dimitrova, D., E. Tarassova, M. Tarassov. 2006. Rare Bi and Ni minerals from the Martinovo iron skarn deposit, Northwestern Bulgaria. In: Proceedings of the 2006 Field Workshop of IGCP 486, Izmir, Turkey, 24-29 September 2006, 42-48.

Mladenova V., T. Kerestedjian, D. Dimitrova. 2004. The Balkan Mountains Paleozoic Gold Deposits. In: Proceedings of 10th G. S. G. Congress, April 2004, Thessaloniki, Greece, 424-433.

Cholakova, Z., T. Kotsev, V. Mladenova, D. Dimitrova, I. Georgieva. 2006. Assessment of heavy metal and arsenic concentrations in the waters of Chiprovska river catchment. In: Proceedings of International Scientific Conference “Global changes and regional challenges”, Sofia University, Faculty of Geology and Geography, Sofia, 28-29 April 2006, 180-185.

Dimitrova, D., N. Velitchkova, Ts. Kotsev, D. Antonov, Z. Cholakova. 2006. Heavy metals and metalloids content assessment in mine waters from the Martinovo and Chiprovtsi mines, Northwestern Bulgaria. In: Proceedings of Annual Conference of Bulgarian Geological Society “Geosciences 2006”, Sofia, 30.11.-01.12.2006, Abstracts, 276-279.

Proceedings of Bulgarian congresses and conferences
Vidinli, B. D. Dimitrova, R. Sabeva, A. Mogessie, V. Mladenova. 2013. LA-ICP-MS study of pyrite and arsenopyrite from the Srebren deposit, West Rhodopes. Proceedings of National conference with international participation “Geosciences 2013”. Sofia, pp.57-58. ISSN 1313-2377

Dimitrova, D., V. Mladenova, R. Sabeva, A. Mogessie. 2012. Gold concentrations in arsenopyrite from the Govezhda and Svishti Plaz deposits, Bulgaria: a LA-ICP-MS study. GEOSCIENCES–2012, 13-14 Dec., Sofia, 17-18.

Dimitrova, D., V. Mladenova, R. Sabeva, A. Mogessie. 2012. Microchemical characteristics of spherulitic pyrite from the Chiprovtsi deposit, NW Bulgaria. GEOSCIENCES–2012, 13-14 Dec., Sofia, 19-20.

Sabeva, R., D. Dimitrova, V. Mladenova, A. Mogessie. 2012. Trace elements in pyrite from the Milin Kamak epithermal gold deposit, Western Srednogorie: A LA-ICP-MS study. GEOSCIENCES–2012, 13-14 Dec., Sofia, 31-32.

Dimitrova, D., V. Mladenova, R. Vassilkyova. 2011. LA-ICP-MS study of fluorite from the Lukina Padina deposit, NW Bulgaria. Proceedings of Geosciences 2011, 15-16.

Mladenova, V., Kotsev, Ts., Z. Cholakova, D. Dimitrova. 2011. Arsenic and heavy metals in mining-affected surface waters and stream sediments. Proceedings of International Scientific Technological Conference “Ecology problems in mining and processing industry, 28.08-21.09. 2011, Varna, Bulgaria, 118-125.

Dimitrova, D., Tz. Iliev. 2010. Arsenian marcasite in the barite-ankerite assemblage from the Chiprovtsi deposit, NW Bulgaria. Proceedings of Geosciences 2010, 21-22.

Peytcheva, I., D. Dimitrova, P. Marchev, Z. Cherneva, V. Ganev, M. Popov et al. 2009. LA-ICP-MS at the Geological Institute, Bulgarian Academy of Sciences — a powerful tool for trace element and isotope studies of rocks, minerals, soils, coal, water and archaeological artifacts. Proceedings of Geosciences 2009”, 19-20.

Dimitrova, D., T. Kerestedjian, Ts. Iliev. 2008. Uraninite in the Mo-W skarns from the Martinovo deposit, NW Bulgaria. In: Proceedings of Scientific conference “From field observations to atomic structure: 60 years of Geology in Sofia University”, 9-10.01.2008, 17-21.

Mladenova, V., Ts. Kotsev, I. Ivanova, Z. Cholakova, D. Dimitrova, R.-T. Schmitt. 2008. Mineralogy of the heavy metal and metalloid pollution of the Ogosta river floodplains, NW Bulgaria. Proceedings of Geosciences 2008”, Sofia, 11.12.-12.12.2008, Abstracts, 121-122.

Kerestedjian, T., D. Dimitrova, R. Atanassova. 2007. Methods for characterization of mining waste: European profile. In: Proceedings of SGEM 2007, 11-15.06.2007, Albena, Bulgaria, 184.

Mladenova, V., D. Dimitrova, R.-T. Schmitt. 2007. Efflorescent sulphate minerals formed during intensive weathering of phyllites, Chiprovtsi ore district, northwestern Bulgaria. In: Proceedings of "Geosciences 2007", Sofia, 13.12.-14.12.2006, Abstracts, 63-64.

Abstracts
Dimitrova, D., V. Mladenova, L. Hecht. 2010. Crystallization and transformation of iron sulphates on polished and fractured colloform pyrite surfaces. Abstracts of 20th General Meeting of IMA, Budapest, Hungary, Acta Mineralogica-Petrographica, 835.

Kotsev, Ts., Z. Cholakova, V. Mladenova, D. Dimitrova. 2010. Efficiency of the Chiprovtsi mining remediation with regard to heavy metal and arsenic environmental pollution. In: A. Chatzipetros et al (Eds.) Abstract Vol. of XIX Congress of CBGA, Thessaloniki, Greece, Geol. Balc. 39, 1-2, 206-207.

Dimitrova, D., V. Mladenova. 2009. Minor and trace elements in some ore minerals from the Chiprovtsi ore district, northwestern Bulgaria, Mitt.Österr.Miner.Ges. 155.

Dimitrova, D., V. Mladenova, L. Hecht, T. Kerestedjian, P. Machev, Ts. Iliev. 2008. Accessory Fe-Ti oxides in the Pilatovets gabbro from the island-arc volcano-sedimentary sequence unconformably overlaying the Balkan-Carpathian ophiolite. Abstract Volume of the 33rd International Geological Congress in Oslo, Norway in 6-14 August 2008.

Dimitrova, D., V. Mladenova, L. Hecht. 2008. Hydrous sulphates formed during oxidation of colloform pyrite from Chiprovtsi Ag-Pb deposit, NW Bulgaria. Goldschmidt Conference Abstracts 2008, Geochimica Cosmochimica Acta, 72, 12,1, A212.

Dragov, P., T. Kerestedjian, D. Dimitrova. 2004. Ore gabbro from Chiprovtsi area, Montana district. Scientific Session “Minerogenesis – 2004”, 22-23 Jan. 2004, Sofia, Abstracts, 32-33 (in Bulgarian).

Mladenova, V., T. Kerestedjian, D. Dimitrova. 2003. The Paleozoic gold deposits in the Balkan Mountain. Annual scientific conference of Bulgarian Geological Society “Geology 2003”, 11-12 Dec., 2003, Sofia, Abstracts, 59-61 (in Bulgarian).

Mladenova, V., T. Kerestedjian, D. Dimitrova. 2003. Gold in the Govezhda and Svishti Plaz gold deposits, Balkan zone. IV National Symposium "Metallogeny of Bulgaria", 7-9 May 2003, Sofia, Abstracts, 122-125 (in Bulgarian).

Dimitrova, D. 2002. Scientific geocollections in Geological Institute of Bulgarian Academy of Sciences – cataloguing, preservation and presentation. II International Symposium “Mineral Diversity – Research and Preservation”, Abstracts
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Kerestedjian, T., V. Mladenova, D. Dimitrova. 2000. The arsenopyrite in the base metal, gold bearing deposits Svishti Plaz and Govezhda, Balkan mountain, Bulgaria. ABCD-GEODE Workshop, Borovets, Bulgaria, 26-29 May 2000, Abstracts, 36.

Mladenova, V., T. Kerestedjian, D. Dimitrova. 2000. Bismuth mineralization from the gold-bearing Svishti plaz deposit, Central Balkan Mountain, Bulgaria. ABCD-GEODE Workshop, Borovets, Bulgaria, 26-29 May 2000, Abstracts, 52.

Kerestedjian, T., V. Mladenova, D. Dimitrova. 1999. Mineralogical state and internal structure of arsenopyrite from Kopilovtzi-Govezhda gold deposit, Western Balkan Mountain. Scientific Session "Problems of the Minerogenesis”, 21-22 Jan. 1999, Sofia, Abstracts, 17 (in Bulgarian).