Selected recent publications:

  • Peybernes, B., M. Ivanov, T. Nikolov, R. Ciszak, K. Stoykova . 2000. Sequences de depot a l’articulation plate-forme Urgonienne - bassin (intervalle Barremien-Albien) dans le Prebalkan occidental (Bulgarie du Nord-Ouest). - C. R. Acad. Sci. Paris, Sci. de la Terre et des planetes, 330, 547-553.
  • Zagorchev, I., E. Trifonova, D. Ivanova, K. Stoykova, E. Goranov, P. Pemov. 2000. New data on the Middle and Upper Jurassic stratigraphy in the Konyava Mountain, SW Bulgaria. - Geologica Balc., 30, 1-2, 59-67.
  • Boyanov, K. Stoykova, I. Zagorchev, E. Dimitrova. 2000. Upper Cretaceous olistostromes near Brezovo, Stara Zagora District. - C. R. de l’Acad. bulgare des sciences, 53, 11, 45-48.
  • K. Stoykova, M. Ivanov. 2000. Integrated Ammonite and Nannofossil biostratigraphy of the Barremian-Albian interval in Bulgaria. - Journ. Nannopl. Res., 22, 2, 142.
  • K. Stoykova, D. Ivanova. 2000. Upper Jurassic-Lower Cretaceous calcareous nannofossil and calcareous dinocyst occurrences and their relationship to the sea-level changes: an example from the West Balkan Mountains, Bulgaria. - Journ. Nannopl. Res., 22, 2, 143-144.
  • K. Stoykova, D. Ivanova. 2001. Calcareous nannofossils and dinocyst occurrence related to the sea-level changes in the Upper Jurassic-Lower Cretaceous sediments of the West Balkan Mountains, Bulgaria. - C. R. De l’Acad. Bulg. Sci., 54, 1, 61-64.
  • Zagorchev, I., K. Stoykova, E. Dimitrova, I. Boyanov, A. Goranov. 2001. First data on a Late Maastrichtian - Danian age of the conglomeratic formation in the sole of the Central-Balkan granite thrust sheet. - C. R. De l’Acad. Bulg. Sci., 54, 8, 57-60.
  • Ivanov, M., K. Stoykova. 2001. Condensation in the Aptian Stage (Vratsa Urgoian Group) along the Milin Kamak Hill (NW Bulgaria). - Ann. Univ. Sofia, Fac. Geol. geogr., 93, 1 - geol., 29-38.
  • Adatte, T., G. Keller, S. Burns, K. Stoykova, M. Ivanov, D. Vangelov, U. Kramar, D. Stuben. 2002. Paleoenvironment across the Cretaceous-Tertiary transition in eastern Bulgaria. - In: Koeberl, C., and MacLeod, K.G., eds., Catastrophic Events and Mass Extinctions: Impact and Beyond. Boulder, Colorado, Geological Society of America, Special Paper, 356, 231-251.
  • Stoykova, K., M. Ivanov. 2002. The Cretaceous/Tertiary transition in Bulgaria: palaeoenvironmental interpretation from calcareous nannofossils, macrofauna and lithology. - Journ. Nannofoss. Research, 24, 2, 164-165.
  • Stoykova, K., Ch. Pimpirev, D. Dimov. 2002. Calcareous nannofossils from the Miers Bluff Formation (Livingston Island, South Shetland Island, Antarctica): first evidence for a Late Cretaceous Age. - Journ. Nannofoss. Research, 24, 2, 166-167.
  • Stoykova, K., A. Zelilidis, P. Avramidis. 2002. Calcareous nannofossil stratigraphy of the Tertiary Mesohellenic piggy-back deposits, Central Greece. - Journ. Nannofoss. Research, 24, 2, 168-169.
  • Stoykova, K., M. Ivanov. 2002. Event and sequence stratigraphy of the Maastrichtian and Danian in Bulgaria. - Geologica Balcanica, 32, 2-4, 55-61.
  • Koleva-Rekalova, E., K. Stoykova, L. Metodiev. 2002. Pressure dissolution fabrics of some Jurassic and Lower Cretaceous limestones of Western Bulgaria. - Geologica Balcanica, 32, 2-4, 131-134.
  • Stoykova, K., P. Avramidis, A. Zelilidis. 2003. Calcareous nannofossil stratigraphy of the Tertiatry submarine fan deposits, Pindos foreland basin, Western Greece. - Geologica Carpathica, 54, 2, 107-118.
  • Stoykova, K., I. Zagorchev, M. Ivanov, E. Goranov. 2003. First finding of Upper Cretaceous in the Konyava Mountain, SW Bulgaria. - C. R. Acad. Bulg. Sci., 56, 5, 59-64.
  • Peybernes, B., M.-J. Fondecave-Wallez, K. Stoykova, R. Ciszak, M. Ivanov, T. Nikolov. 2004. Determination de la limite Cretace-Tertiaire en Bulgarie par les Foraminiferes planctoniques. - Geobios, 37, 6, 755-769.
  • Stoykova, K., M. Ivanov. 2004. Calcareous nannofossils and sequence stratigraphy of the Cretaceous/Tertiary transition in Bulgaria. - J. Nannoplankton Res., 26, 1, 47-61.
  • Stoykova, K., M. Ivanov. 2005. Errata: Calcareous nannofossils and sequence stratigraphy of the Cretaceous/Tertiary transition in Bulgaria. - J. Nannoplankton Res., 27, 1, 99-106.
  • Stoykova, K., M. Ivanov. 2004. New data on Stratigraphy of the Paleogene in Central North Bulgaria. - C. R. Acad. bulg. Sci, 57, 12, 75-82.
  • Stoykova, K., M. Ivanov. 2005. First data on the presence of the Paleocene-Eocene Thermal Maximum in Bulgaria. - C. R. Acad. bulg. Sci, 58, 3, 297-302.
  • Stoykova, K., S. Juranov, M. Ivanov. 2005. Calibration of calraceous nannofossils and planktonic foraminifers’ zonation in the Lower and Middle Paleocene of Bulgaria. - Geologica Balc., 35, 1-2; 3-8.
  • Tchoumatchenco, P., M. Yaneva, E. Koleva-Rekalova, K. Stoykova, D. Ivanova. 2005. Jurassic stratigraphy of the section Staro selo, Pernik District, southwestern Bulgaria. - Geologica Balc., 35, 1-2; 39-61.
  • Ananiadis, G., I. Vakalas, A. Zelilidis, K. Stoykova. 2005. Paleogeographic evolution of Pindos basin during Paleogene using calcareous nannofossils. - Bull. Geol. Soc. Greece, 36, Proc. 10-th International Congress, Thessaloniki, April 2004, 836-845.
  • Vakalas, I., G. Ananiadis, N. Kontopoulos, A. Zelilidis, K. Stoykova. 2005. Age determination and palaeogeographic reconstruction of Pindos foreland basin based on calcareous nannofossils. - Bull. Geol. Soc. Greece, 36, Proc. 10-th International Congress, Thessaloniki, April 2004, 864-873.
  • Pimpirev, C., K. Stoykova, M. Ivanov, D. Dimov. 2005. The sedimentary sequences of Hurd Peninsula, Livingston Island, South Shetland Islands: part of the late Jurassic - Cretaceous depositional history of the Antarctic Peninsula. - In: Futerrer, D. K., Damaske, D. Kleinschmidt, G., Tessensohn, F. (eds.). Antarctica: Contribution to global earth sciences. Springer-Verlag, Berlin Heidelberg New York, 247-252.
  • Pimpirev, C., K. Stoykova, M. Ivanov, D. Dimov. 2006. The sedimentary sequences of Hurd Peninsula, Livingston Island, South Shetland Islands: part of the late Jurassic - Cretaceous depositional history of the Antarctic Peninsula. - In: Futerrer, D. K., Damaske, D. Kleinschmidt, G., Tessensohn, F. (eds.). Antarctica: Contribution to global earth sciences. Springer-Verlag, Berlin Heidelberg New York, 247-252.
  • Stoykova, K., S. Juranov, M. Ivanov. 2005. Calibration of calcareous nannofossils and planktonic foraminifers’ zonation in the Lower and Middle Paleocene of Bulgaria. - Geologica Balc., 35, 1-2; 3-8.
  • Tchoumatchenco, P., M. Yaneva, E. Koleva-Rekalova, K. Stoykova, D. Ivanova. 2005. Jurassic stratigraphy of the section Staro selo, Pernik District, southwestern Bulgaria. - Geologica Balc., 35, 1-2; 39-61.
  • Stoykova, K., M. Ivanov. 2006. Middle and Upper Paleocene Stratigraphy of Byala region (Black sea coast, Bulgaria). - C. R. de l’Acad. bulg. Sci., 59, 11, 1171-1176.
  • Dinares-Turell, J., K. Stoykova, M. Ivanov. 2006. Paleocene integrated cyclo-, magneto- and calcareous nannofossils Stratigraphy in the Bjala section (Black Sea coast, Bulgaria). - Climate and Biota of the Early Paleogene 2006. Abstract Volume, ISBN 84-689-8940-1, Bilbao, p. 33.
  • Stoykova, K., J. Dinares-Turell, M. Ivanov. 2006. Calcareous nannofossils record along the Paleocene-Eocene transition at Kladorub and Riben sections, Bulgaria. - Climate and Biota of the Early Paleogene 2006. Abstract Volume, ISBN 84-689-8940-1, Bilbao, p. 133.
  • Zagorchev, I., K. Stoykova, M. Ivanov. 2006. New data on the Late Cretaceous tectonics and geodynamics in the Eastern part of the Balkan Peninsula. - Proc. Congr. KBGA Belgrade, 2006, 674-677.
  • Стойкова, К. М. Иванов. 2006. Пълен разрез на палеоценската серия при Бяла, Източна България - нанофосилни данни. - Proc. Conf. Geosciences 2006, ISBN-10 954-91606-4-5; 37-40.
  • Stoykova, K. M. Ivanov. 2006. Middle and Upper Paleocene Stratigraphy of Byala region (Black sea coast, Bulgaria). - C. R. de l’Acad. bulg. Sci., 59, 11, 1171-1176.
  • Ivanov, M., K. Stoykova, T. Nikolov. 2007. Damyanovo Formation (new formation) in the Lower Cretaceous of the Western Fore-Balkan (North-West Bulgaria). - C. R. de l’Acad. bulg. Sci., 60, 4, 419-428.
  • Ivanov, M., K. Stoykova, I. Zagorchev, E. Goranov. 2007. Lithostratigraphy of the Upper Cretaceous Series in a part of the Krayshte area (Southwest Bulgaria). - Geologica Balc., 37, 3-4.
  • Ivanov, M., K. Stoykova, T. Nikolov. 2007. Damyanovo Formation (new formation) in the Lower Cretaceous of the Western Fore-Balkan (North-West Bulgaria). - C. R. de l’Acad. bulg. Sci., 60, 4, 419-428.
  • Ivanov, M., K. Stoykova, I. Zagorchev, E. Goranov. 2007. Lithostratigraphy of the Upper Cretaceous Series in a part of the Krayshte area (Southwest Bulgaria). - Geologica Balc., 37, 3-4.
  • Ivanov, M., K. Stoykova, 2008. New data on the Lower Cretaceous stratigraphy at “Tri ushi” hills, Dragoman area (West Srednogorie). - 60-th Anniversary of spec. Geology, 87-91. ISBN 978-954-07-2670-0.
  • Stoykova, K. 2008. Paleocene-Lower Eocene calcareous nannofossil biostratigraphy of Bulgaria. - 12-th INA Conference, Lyon, France, Abstract book. ISSN 1210-8049, Cambridge University Press, UK, 110-111.
  • Stoykova, K., M. Ivanov. 2008. Paleocene hyperthermal events evidenced by calcareous nannofossils in Bulgarian sections. - 12-th INA Conference, Lyon, France, Abstract book. ISSN 1210-8049, Cambridge University Press, UK, 112-113.
  • Dinares-Turell, J., K. Stoykova, J. Baceta, M. Ivanov, V. Pujalte. 2009. The Danian-Selandian boundary: astronomical time scale based on an integrated magnetobio- and cyclostratigraphic correlation of Bulgarian and Basque successions. - In: Strong, C.P., Crouch, E.M., Hollis, C. 2009. Climatic and Biotic events of the Paleogene 2009. GNS Miscellaneous Series 16, p. 55. (ISSN 1177-2441; ISBN 978-0-19652-8).
  • Dinares-Turell, J., J. Baceta, G. Bernaola, M. Ivanov, X. Orue-Etxebarria, V. Pujalte, K. Stoykova. 2009. The Paleocene astronomical tuning, state of the art and insights from Bulgarian and Basque marine pelagic successions. - EGU General Assembly 2009, Geophysical Research Abstracts, vol. 11, EGU2009-13607.
  • Стойкова, К., М. Иванов. 2009. Първи данни за присъствието на зеландския етаж (среден палеоцен) в Централна Северна България. - Геонауки 2009, сб. Разш. Резюмета, 53-54. ISSN 1313-2377.
  • Иванов, М., К. Стойкова, В. Идакиева. 2009. Ревизия на амонитните критерии за границата юра-креда в България. - Геонауки 2009, сб. Разш. Резюмета, 57-58. ISSN 1313-2377.
  • Иванов, М., К. Стойкова, В. Идакиева. 2010 (под печат). Нови биостратиграфски данни за горния титон и долния бериас в част от Краището (Югозападна България) - Год. Соф. Унив., 101, кн. 1 - геол.
  • Makrodimitras, G., K. Stoykova, I. Vakalas, A. Zelilidis. 2010. Age determination and palaeogeographic reconstruction of diapondia islands in NW Greece, based on calcareous nannofossils. - Bull. Geol. Soc. Greece, Proc. 12-th Int. Congress, Patras.
  • Dinares-Turell, J., K. Stoykova, J.I. Baceta, M. Ivanov, V. Pujalte. High-resolution intra and interbasinal correlation of the Danian-Selandian transition (Early Paleocene): the Bjala section (Bulgaria) and the Selandian GSSP at Zumaia (Spain). Palaeogepgr., Palaeoclimatol., Palaeoecol., 297, 2, 511-533, ISSN 0031-0182, (2010) Link,
  • Стойкова К., Д. Рабренович, М. Иванов, И. Моисич. 2010. Стратиграфия и връзки на горната креда в Северозападна България (Кулска тектонска единица) и Източна Сърбия (Тимошка еруптивна област). Геонауки 2010, сб. Разш. Резюмета, 80-81, (2010), ISSN 1313-2377.
  • Zagorchev, I., D. Ivanova, K. Stoykova, D. Bassi. 2010. Palaeogene of Samothraki Island: Correlations with the basins of Thrace and Rhodope. Геонауки 2010, сб. Разш. Резюмета, 111-112, (2010), ISSN 1313-2377.
  • Иванова, Д., Е. Колева-Рекалова, И. Лакова, К. Стойкова, М. Иванов, Л. Методиев, С. Петрова, П. Чумаченко, Д. Рабренович, В. Радулович, Н. Малешевич. 2010. Интегрирана стратиграфия и корелация на платформените и басейновите горноюрско-долнокредни карбонатни седименти около българо-сръбската граница. Геонауки 2010, сб. Разш. Резюмета, 74-75, (2010), ISSN 1313-2377.
  • Ivanova, D., E. Koleva-Rekalova, I. Lakova, K. Stoykova, M. Ivanov, L. Metodiev, S. Petrova, P. Tchoumatchenco, D. Rabrenovic, V. Radulovic, N. Malesevic. 2010. Upper Jurassic-Lower Cretaceous platform-to-basin integrated stratigraphy across the Bulgarian-Serbian border. Abstract Vol. XIX Congress of the Carpathian-Balkan Geological Association, Thessaloniki, Greece, Geologica Balc., 39, 1-2, 168-169. ISSN 0324-0894
  • Евстатиев, Д., Й. Евлогиев, Д. Карастанев, К. Стойкова. 2010. Свлачищата в долината на р. Батова между селата Кранево и Рогачево (Северно Черноморие). - Сп. Бълг. геол. д-во, 71, 1-3, 41-58. ISSN 0007-3938.
  • Dinares-Turell, J., V. Pujalte, K. Stoykova, J. I. Baceta, M. Ivanov. 2012. The Paleocene “Top Chron C27n” transient greenhouse episode: evidences from marine pelagic Atlantic and peri-Tethyan sections. Terra Nova, 24, 6, 477-486. DOI:10.1111/j.1365-3121.2012.01086.x
  • K. Stoykova, I. Zagorchev, J.-P. Suc. 2012. Siviris Formation (Upper Oligocene-Lower Miocene) - a new lithostratigraphic unit, Kassandras Peninsula (Chalkidiki, Northern Greece). C. R. de l’Acad. bulg. Sci., 65, 7, 1117-1124.
  • Dinares-Turell, J., V. Pujalte, K. Stoykova, J. Elorza. 2013. Detailed correlation and astronomical forcing across the Upper Maastrichtian succession from the Basque-Cantabrian Basin. Boletin Geologico y Minero, 124, 2, 253-282.
  • Dinares-Turell, J., V. Pujalte, K. Stoykova, J. Elorza. 2013. Extending back the Paleogene astronomical time scale: an integrated analysis of the Upper Maastrichtian strata in the Basque basin. STRATI 2013, Abstract book.
  • Dinares-Turell, J. , J. Elorza, V. Pujalte, K. Stoykova. 2013. An integrated stratigraphy and orbital tuning of the Maastrichtian (Late Cretaceous) from the Basque Basin (W Pyrenees) and reapprisal of the Campanian/Maastrichtian boundary. Cretaceous Symposium, Ankara, Abstract book.
  • Stoykova, K., M. Ivanov, V. Idakieva. 2013 Calibration of calcareous nannofossils and ammonites bio-events across the J/K boundary: a case study from Bulgaria. Journal of Nannofossil Research, vol. 33, Spec. Issue, INA 14 Abstracts, p. 114.
  • K. Stoykova, Dinares-Turell, J., V. Pujalte, J. Elorza. 2013. Integrated high-resolution nannofossil biostratigraphy and cyclo-magnetostratigraphy of the Upper Maastrichtian: correlation between the Bjala (Bulgaria) and Sopelana (Spain) sections. Journal of Nannofossil Research, vol. 33, Spec. Issue INA 14 Abstracts, 33, p. 113.

    Last update: 15 January 2014

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