, Ph.D.).
Petrology of metamorphic rocks (Geologist Milan Ichev, Ph.D.)
Ore Mineralogy and mineral-forming processes (Res.Assoc. Dimitrina Dimitrova).
Main scientific projects:
Projects granted by National Scientific Foundation
NZ 1005/00: Ammonite stratigraphy of the Toarcian and Aalenian in the Stara Planina Mts and Fore Balkan and correlation with the ammonite zonal standard in the NW Europe - Leader: Prof. Dr.Sci. Ivo Sapunov.
Projects funded by EU Programmes
Integrated stratigraphy of the Toarcian in one key section of the Ponor - Gradets Lower Jurassic Strip (Western Balkan Mts., Bulgaria) - EU-project Paleostudies Contract No. HPRI-CT-2001-00124 - Lubomir Metodiev.
Geochemistry of the Upper Pliensbachian - Lower Bajocian transition in two marl-limestone rhythmic successions from the Western Balkan Mts., Bulgaria - chemostratigraphy and palaeoenvironmental evolution EU-project Paleostudies Contract No. HPRI-CT-2001-00124 - Lubomir Metodiev.
Possibilities for co-operation:
all aspects of the arrangement of geocollections; services rendered in the available geocollections of the Geological Institute, as well as in the scientific fields mentionedBasic Fund of the Laboratory for Geocollections
Scientific geocollections:
1st subgroup scientific geocollections (published monographic geocollections)

F.1.1908.1
Allahverdjiew, D. 1908. Contribution a l?etude du systeme Silurien en Bulgarie.- Bull. Soc geol. Fr., IV ser., 8; 330-341, pl.1.
F.1.1929.1
Haberfelner, E.1929. Uber das Silur im Balkan, nordlich von Sofia. - Mitt. Naturwiss. Ver. Steiemark, 66; 104-149, pls1, 2.
F.1.1931.1
Boncev, E.1931. Graptolites from the Defile of the Iskar. - Rew. Bulg. Geol Soc., 3; 53-63, pl.1.
F.1.1931.2
Haberfelner, E., H. Muller. 1931. Beitraqe zur Geologie West-bulgariens mit besonderer Berucksichtigung der Kohle. - Schrift. a. d. Gebiete der Brennstoff-Geologie, 8; 1-132, pls 1-5.
F.1.1936.1
Haberfelner, E.1936. Neue Graptolithen aus dem Gotlandium Bohmens, Bulgariens und der Karnischen Alpen. - Geologica Balk., 2; 87-95.
F.1.1953.1
Pribyl, A.1953. Prispevek k poznani bulharskich graptolitu. - Rospr. II tr. Ces. Acad. Roc., LXVII, c.8; 1-38, pls 1, 2.
M.1.1955.1
Mincevà-Stefanova, J. 1955. Uber einen hydrotermalen Kobaltsmithsonit. - Bul. geol. inst., 3; 3-16 (in Bulgarian).
F.1.1958.1
Spassov, H. 1958. Les fossiles de Bulgarie. I. Ere Paleozoique. Academie des Sciences de Bulgarie, Sofia; 90 pp., 16 pls (in Bugarian).
F.1.1958.1
Pribyl, A.1958. Ein neuer Beitrag zur Kenntuis der bulgarischen Graptoliten. - Bul. geol. inst., 6; 107-137, pls 1-3.
MF.1.1959.1
Trifonova, Å. 1959. On the presence of the Paleocene deposit of the Eatern Bulgaria. - Ann. Dir. gen. rech. geol., À, 10; 155-164 (in Bulgarian).
F.1.1959.2
Spasov, Chr., I. Nikolov. 1959. Dendroide Graptolithe aus dem Palaozoikum in Bulgarien. - C. R. acad. Bulg. Sci., 12, 6; 537-539.
M.1.1960.1
Minceva-Stefanova, J. 1960. Zur entstehung der blei-zink-lagerstatte Sedmocislenici im Westbalkan. Freib. Forschunsh., C79; 136-147.
M.1.1960.2
Minceva-Stefanova, J. 1960. Der Hydrozinkit aus Grube “Sedmocislenici” im Erzbezirk Vraca. C. R. acad. Bulg. Sci, 13, 6; 713-716 (in Bulgarian).
MF.1.1960.3
Trifonova, Å. 1960.Southsenonian foraminiferal species of the Maastrichtian near Biala village, Varna District. - Bul. geol. inst., Ser. paleont, 9; 347-360 (in Bulgarian).
M.1.1961.1
Minceva-Stefanova, J. 1961. Mineralogie und Entstehung der Blei-Zink-Kupper-Lagerstatte Sedmocislenici im Westbalkan. - Trav. geol. Bulg., Ser. geochim. et sit. metal. et non-metal., 2; 158-251 (in Bulgarian).
MF.1.1961.2
Trifonova, Å. 1961. Liassic foraminiferal assemblages from the Saranci, Breze and Zimevica villages - District of Sofia. - Trav. geol. Bulg., Ser. paleont., 3; 269-309 (in Bulgarian).
MF.1.1964.1
Trifonova, Å. 1964. Foraminifera from the pebbles included in the Early Paleozoic breccia-conglomerates in NW Bulgaria. - Rev. Bulg. Geol. Soc, 25, 2; 117-127 (in Bulgarian).
MR.1.1964.2
Velinov, I. 1964. Dyke rocks from the southern parts of the Vitosha and Eastern Lyulin Mountains and their relation to ore manifestations. - Bull. geol. inst., 13; 81-97 (in Bulgarian).
M.1.1965.1
Minceva-Stefanova, J. 1965. Uber die formen der erzkoper und die textur der Erze aus den polymetallagerstatten vom Typ “Sedmocislenici” in Bulgarien. - Ber. geol. Ges. DDR, 10, 3; 321-334.
MR.1.1965.2
Velinov, I. 1965. Dyke rocks in the area of the Vitosha Mountain. - CBGA, 7th Congress, Sofia, Reports, Part III; 147-151 (in Russian).
MER.MR.1.1967.1
Velinov, I. 1967. Propylites and alunite quartzites in the area of Breznik. - Bull. geol. inst., Ser. geochem., mineral. and petrogr., 16; 205-220 (in Bulgarian)
MF.1.1969.1
Dodekova, L. 1969. Dinoflagelles et Acritarches du Tithonique aux environs de Pleven, Bulgarie Central du Nord. - Bull. geol. inst., Ser. paleont., 18; 13-24.
MF.1.1970.1
Trifonova, Å. 1970. On the paleoecology of Ophtalmidium carinatum Kubler et Zwigler in the Middle Jurassic. - Ann. Uni. Sofia., Fac. geol. et geogr., 62, 1; 1-8 (in Bulgarian).
M.1.1971.1
Minceva-Stefanova, J. 1971. Zwischenglieder der FeS2-NiS2-CoS2-System in den Lagerstatten vom Typ Sedmocislenici. - Bull. geol. inst., Ser. geochem., mineral. and petrogr., 20; 69-111 (in Bulgarian).
MER.1.1971.2
Velinov, I. 1971. Zoning and genesis of propylites and secondary quartzites in the area of the villages of Klissoura and Pishtene, District of Sofia. - Bull. geol. inst., Ser. geochem., mineral. and petrogr., 20; 151-166 (in Bulgarian).
MER.1.1971.3
Velinov, I., D. Stefanov. 1971. Clay minerals and their relationships to the alunitic secondary quartzites. - Bull. geol. inst., Ser. geochem., mineral. and petrogr., 20; 113-121 (in Bulgarian).
M.1.1972.1
Minceva-Stefanova, J. 1972. Mineral composition and origin of the stratiform polymetallic ore deposits in the Balkanides compared with the stratiform lead-zinc deposits of the Alps. 2nd International symposium on the mineral deposits of the Alps, Ljubljana, 301-313.
MF.1.1974.1
Dodekova, L. 1974. Compositosphaeridium gen. n. - a new genus Dinoflagellate cyst. - Bull. geol. inst., Ser. paleont., 23; 25-30.
MF.1.1975.1
Dodekova, L. 1975. New Upper Bathonian Dinoflagellate Cysts from Northeasen Bulgaria. - Paleont., Stratigr. & Lithol., 2; 17-32.
M.1.1977.1
Minceva-Stefanova, J., E. N. Pencheva. 1977. A sphalerite-smithsonite paragenesis. In “Problems of ore deposits”, 2 (Bogdanov, B. et al., edit.). 4th Symposium of the International Assosiation on the genesis of ore deposits, Varna. BAS, Sofia; 303-310.
M.1.1977.2
Trofonova, E. 1977. Foraminifera from the Upper Scythian in Northeastern Bulgaria. - Paleont., Stratigr. & Lithol., 7; 15-34 (in Bulgarian).
M.1.1978.1
Minceva-Stefanova, J. 1978. Geological position and mineralogy of the polymetallic deposits in the Western Balkan mountains confined to triassic sediments. Scientific results of the Austian projects of the International Geological Correlation Programme (IGCP) until 1976. - Schriftenr. Erdwissensch. Komm., 3; 111-123.
M.1.1978.2
Bonev, I. K. 1978. Bustamite from the Zapadno gradishte Deposit, Madan ore area. - C. R. acad. Bulg. Sci, 31, 10; 1333-1336 (in Russian).
MF.1.1981.1
Dimitrova, E., N. Ganeva, N. Jolkicev, J. Milanova, I. Nachev. 1981. Upper Cretaceous stratigraphy in Western Srednogorie. - Geologica Balc., 11, 1; 51-66.
MF.1.1983.1
Trofonova, E. 1983. Foraminifers from the Aalenian, Bajocian and Bathonian in Northeast Bulgaria. - Paleont., Stratigr. & Lithol., 21; 5-31 (in Bulgarian).
M.1.1984.1
Minceva-Stefanova, J. 1984. Electrone microprobe investigation of the dolomitization and its relationship with the sulfide mineralizations in the polymetallic deposits confined to the Triassic calcareous sediments in the Western Balkans. In “Syngenesis and epigenesist in the formation of mineral deposits” (Wauschkuhn, A. et al, edit.). Springer - Verlang, Berlin, Heidelberg, New York, Tokyo; 317-327.
MF.1.1984.2
Dimitrova, E., I. Nachev, I. Slavov. 1984. Upper Cretaceous stratigraphy in Panagjurishte Region. - Paleont., Stratigr. & Lithol., 19; 65-84 (in Bulgarian).
F.1.1985.1
Sapunov, I.G., P.V. Tchoumatchenco, L.D. Dodekova, D.G. Bakalova. 1985. Stratigraphy of the Callovian and the Upper Jurassic rocks in Southwestern Bulgaria. - Geologica Balc., 15, 2; 3-61, 13 figs (in Russian).
MF.1.1985.2
Trifonova, E., A. Vatzarova. 1985. Foraminiferal data on the stratigraphy of the Middle Triassic carbonate rocks from Vlahina Mountain (Southwest Bulgaria). - Rev. Bulg. Geol. Society, 46, 1; 71-77 (in Bulgarian).
M.1.1986.1
Ichev, M. 1986. A new Emerald Deposit in Bulgaria - C. R. acad. Bulg. Sci., 39, 12; 81-83.
MR.1.1986.2
Arnaudova, R., V. Arnaudov. 1986. Structural transformation and geochemistry of K-feldspars from Kalin granite in Rila Mountain. - Ceochem., mineral. and petrol., 22; 30-47 (in Bulgarian).
F.SR.1.1986.3
Sapunov, I., P. Tchoumatchenco, I. Baburkov, D. Bakalova, L. Dodekova, C. Zheleva, M. Nikolova, S. Cernjavska. 1986. The Jurassic system in the new boreholes in the area of Provadija. - Rev. Bulg. Geol. Society, 47, 2; 103-120 (in Bulgarian).
F.SR.1.1986.4
Sapunov, I., P. Tchoumatchenco, S. Bardarov, M. Vavilova, L. Dodekova, P. Kitov, S. Cernjavska. 1986. Stratigraphy of the Jurassic rocks from the borehole sections between the villages of Resen, Veliko Tarnovo area and Konak, Targovishte area. - Rev. Bulg. Geol. Society, 47, 3; 26-42 (in Bulgarian).
MF.1.1988.1
Petrunova-Olova, L. 1988. Palynomorphs from the type-section of Mitrovci Formation (Middle-Upper Triassic) at Mitrovci Village, Mihajlovgrad District, northwest Bulgaria. - Rev. Bulg. Geol. Society, 49, 1; 98-103 (in Bulgarian).
F.SR.1.1981.2
Tronkov, D. 1981. Stratigraphy of the Triassic System in part of the West Srednogorie (West Bulgaria). - Geologica Balc., 11, 1; 3-20, 1 pl. (in Russian).
MF.1.1988.2
Petrunova-Olova, L. 1988. Palynomorphs from Mitrovci Formation (Middle-Upper Triassic) from borehole sections in Northwest Bulgaria. - Rev. Bulg. Geol. Society, 49, 3; 108-112 (in Bulgarian).
MER.1.1988.3
Kozhoukharova, E., M. Ichev. 1989. Dynamic metamorphism and formation of pseudofossils in the marble and calc-silicate rocks from the Lukovo Formation, Asenovgrad area. Geologica Balc., 19, 2, 89-107 (in Bulgarian).
MF.1.1989.1
Trifonova, Ek. 1989. Foraminifera sequences in the Polaten Formation (Aalenian-Bathonian) near the village of Zabljana, SW Bulgaria. - Rev. Bulg. Geol. Society, 50, 3; 33-37.
F.1.1989.2
Tchoumatchenco, P. 1989. Brachiopodes des olistolithes jurassiques inferieurs et moyens inclus dans la Formation de Kotel - Jurassique moyen (Stara Planina orientale, Bulgarie). I. Rhynchonellida. - Palaeontol., Stratigr., Lithol., 27; 3-30, 9 pls.
MF.1.1990.1
Zagorcev, I., E. Trifonova, A. Toshev. 1990. The borehole at Zemen (Southwest Bulgaria) - geological results and tectonic conclusions. - Geotect., Tectonophys. and Geodynam., 21; 43-70 (in Bulgarian).
F.1.1990.3
Tchomatchenco, P. 1990. Brahiopodes jurassiques inferieurs et moyens des olistolithes inclus dans la Formation de Kotel - (Jurassique moyen) (Stara Planina orientale, Bulgarie). II.Spiriferida, Terebratulida. - Palaeontol., Stratigr., Lithol., 28; 3-40, 11 pls.
F.1.1990.4
Sapunov, I., G. 1990. The Kotel Formation and other olistostrome successions in the Eastern Balkan Mts and Elena-Tvarditsa Mt (relationships, age and occurrence). - Geologica Balc., 20, 3; 55-56, pl. 1 (in Russian).
M.1.1991.1
Minceva-Stefanova, J., H. Neykov. 1991. Varieties of the hydrothermal smithsonite from the Sedmochislenici deposit, Western Stara Planina Mt. - Geochem., Mineral. and Petrol., 27; 63-94 (in Bulgarian).
MER.MR.1.1991-94.2
Kunov, À. 1991-94. Secondary quartzites from the northeastern periphery of the Borovitsa volcanic area. I. Geological-petrographic characteristics of the hydrothermally altered zones. - Geochem., Mineral. and Petrol., 28; 46-72; II. Mineralogy and zoning. - Geochem., Mineral. and Petrol., 29; 17-36; III. Genesis and practical importance. - Geochem., Mineral. and Petrol., 29; 37-44.
MF.1.1992.1
Trifonova, E. 1992. Taxonomy of Bulgarian Triassic foraminifera. I.Families Psammospheridae to Nodosinellidae. - Geologica Balc., 22, 1; 3-50.
F.1.1993.1
Nikolov, P.I. 1993. Some mollusks from the Badenian (Middle Miocene) west of Pleven (Central Northern Bulgaria). I. Gastropoda: orders Archaeogastropoda and Mesogastropoda. - Geologica Balc., 23, 6; 61-72.
MF.1.1993.3
Trifonova, E. 1993. Taxonomy of Bulgarian Triassic foraminifera. II. Families Endothyriidae to Ophthalmidiidae. - Geologica Balc., 23, 2; 19-66.
F.1.1994.1
Nikolov, P.I. 1994. Some mollusks from the Badenian (Middle Miocene) west of Pleven (Central Northern Bulgaria). II. Gastropoda: order Neogastropoda. - Geologica Balc., 24, 4; 45-70, pl. 1-8.
SR.1.1994.2
Koleva-Rekalova, E. 1994. Sarmatian aragonite sediments in North - eastern Bulgaria - origin and diagenesis. - Geologica Balc., 24, 5; 47-64.
F.1.1994.3
Minev, V. 1994. Turonian ammonites from Bresnik area (Southwestern Bulgaria). - Geologica Balc., 24, 4; 31-41, pl. 1-2.
MF.1.1994.5
Trifonova, E. 1993. Taxonomy of Bulgarian Triassic foraminifera. III. Families Spiroloculiniidae to Oberfrausereliidae. - Geologica Balc., 24, 2; 21-70.
F.1.1994.6
Gakovic, M., P. Tchoumatchenco. 1994. Jurassic brachiopods from the Dinarides (NE Herzegovina). - Geologica Balc., 24, 3; 13-29, 3 pls.
F.1.1994.7
Dodekova, L. 1994. Dinoflagelate cysts from the Bathonian-Tithonian (Jurassic) of North Bulgaria. III. Tithonian dinoflagellate cysts. - Geologica Balc., 24, 5; 11-46.
MF.1.1995.1
Bodurov, K., Ek. Trifonova, I. Zagorcev. 1995. The Triassic in Southwestern Bulgaria. Stratigraphic correlation of key sections in the Iskar Carbonate Group. - Geologica Balc., 25, 1; 27-59.
F.1.1995.2
Nikolov, P.I. 1995. Planctonic gastropods of the Badenian near the village of Urovene, NW Bulgaria. - C.R. acad. Bulg. Sci., 48, 11-12; 71-74.
F.1.1995.3
Nikolov, P.I. 1995. Some mollusks from the Badenian (Middle Miocene) west of Pleven (Central Northern Bulgaria). III. Bivalvia. - Geologica Balc., 25, 5-6; 127-143.
MF.1.1995.4
Nachev, I., Ek. Dimitrova. 1995. Upper Cretaceous stratigraphy of the Eastern Sredna Gora Zone. - Geologica Balc., 25, 3-4; 3-26.
MF.1.1995.5
Nachev, I., Ek. Dimitrova. 1995. Upper Cretaceous stratigraphy of the Eastern Balkan Mountains. - Geologica Balc., 25, 5-6; 43-74.
MF.1.1996.1
Minev, V., P. Pavlishina, Ek. Dimitrova. 1996. Turonian biostratigraphy in a part of Southwestern Bulgaria. - Geologica Balc., 26, 3; 39-46.
SR.1.1996.2
Belivanova, V. 1996. Sedimentology of the Trun Formation north of the town of Trun. - Rev. Bulg. Geol. Society, 57, 2; 19-24 (in Bulgarian).
F.1.1996.3
Popov, S.V., I.A. Gontsharova, P.I. Nikolov, B. Studencka. 1996. Bivalve mollusks from the Badenian of Northwestern Bulgaria. - Paleont. Journ., 2; 34-42 (in Russian).
MF.1.1998.1
Boncheva, I. 1998. Jurassic Radiolaria from the type-section of the Rayantsi Formation, SW Bulgaria. - Rev. Bulg. Geol. Society, 59, 1; 55-68 (in Bulgarian).
SR.1.1998.2
Koleva-Rekalova, E., K. Rekalov. 1998. Sarmatian stromatolites and thrombolites from the Odurtsi Formation (North - Eastern Bulgaria). - C.R. acad. Bulg. Sci., 51, 1/2; 85-88.
MR.SR.1.1998.3
Milakovska-Vergilova, Z., E. Koleva-Rekalova, K. Rekalov. 1998. Tephra layers in clay deposits of Early Sarmatian age from NE Bulgaria. In: - 15th Intern. Sedim. Congress, Alicante, Spain, Abstracts; 554-555.
SR.1.1998.4
Yaneva, M. 1998. Neogene limestones from Sofia Basin, South - Western Bulgaria. - C.R. acad. Bulg. Sci., 51, 11/12; 77-80.
MR.1.1998.5
Cherneva, Z., R. Arnaudova. 1998. Magmatic epidote in the Kalin granite pluton, North-Western Rila Mt.. - Geochem., Mineral. and Petrol., 34; 59-72 (in Bulgarian).
SR.1.1999.1
Koleva-Rekalova, E. 1999. Laminated aragonite-clay sediments (varves) of Chersonian age from North Bulgaria, In: Carpatian foredeep basin - its evolution and mineral resources, Intern. Conference, September 17-18, Krakov, Poland, Abstracts; 120-122.
SR.1.1999.2
Koleva-Rekalova, E., N. Dobrev, P. Ivanov, A. Bozhilova. 1999. Sedimentological and engineering geological investigations of the Sarmatian rocks from the Balchik landside area. - Rev. Bulg. Geol. Society, 60; 99-104 (in Bulgarian).
SR.1.2000.1
Koleva-Rekalova, E. 2000. Sarmatian (Bessarabian) carbonate tempestites from the Cape Kaliakra, North-Eastern Bulgaria. - C.R. acad. Bulg. Sci., 53, 5; 71-74.
F.1.2001.1
Tchoumatchenco, P., Uchman, A. 2001. The oldest deep-sea Ophiomorpha and Scolicia and associated trace fossils from the Upper Jurassic-Lower Cretaceous deep-water turbidite deposits of SW Bulgaria. - Palaeogeogr., Palaeoclimatol., Palaeoecol, 169; 85-99, 8 figs.
M.1.2001.2
Mladenova, V., T. Kerestedjian, D. Dimitrova. 2001. Ag-Cu-Pb-Bi-mineralization from the Svishti plaz gold deposit, Central Balkan Mountain, Bulgaria. - Geochem. Mineral. and Petrol., 38; 55-66.
M.1.2001.3
Vassileva, R., I.K. Bonev. 2001. Manganoan amphiboles from the skarn-ore Pb-Zn deposits in the Madan district, Central Rhodopes, Bulgaria. - Geochem. Mineral. and Petrol., 38; 45-53.
M.1.2001.4
Kerestedjian, T., I.K. Bonev. 2001. Complex argentopentlandite-mackinawite inclusions in chalcopyrite: A solid state exsolution mechanism. - Geochem. Mineral. and Petrol., 38; 23-33.
MR.MER.1.2001.5
Hikov, A. 2001. Metasomatic zonality and trace element geochemistry in hydrothermally altered Late Cretaceous volcanics at Pesovets Hill, Panagyurishte area. - Geochem. Mineral. and Petrol., 38; 101-111 (in Bulgarian).
M.1.2001.6
Kunov, A., P. Petrov. 2001. Beaverite from the Chala gold-base metal ore deposit: A new mineral from Bulgaria. - Geochem. Mineral. and Petrol., 38; 67-71.
MR.1.2001.8
Arnaudov, V. 2001. Beryllium in beryl-bearing pegmatites from the Rila Mountain, Bulgaria. - Geochem. Mineral. and Petrol., 38; 89-100 (in Bulgarian).
MR.1.2001.9
Belmustakova, H., Y. Malyakov. 2001. A late intrusive phase of the Gramatikovo pluton, Stranja Mountain. - Geochem. Mineral. and Petrol., 38; 113-120 (in Bulgarian).
F.1.2002.1
Uchman, A., P. Tchoumatchenco. 2003. A mixed assemblage of deep-sea and shelf trace fossils from the Lower Cretaceous (Valanginian) Kamchia Formation in the Troyan region, central Fore-Balkan, Bulgaria. - Ann. Soc. Geol. Pol., 73; 27-34.
M.1.2002.9
Vassileva, R., I.K. Bonev. 2002. Hydrothermal manganoan chamosite from the vein and replacement Pb-Zn ore deposits, Madan district, Bulgaria. - Geochem. Mineral. and Petrol., 39; 81-94.
M.1.2002.10
Georgieva, S., N. Velinova, R. Petrunov, R. Moritz, I. Chambefort. 2002. Aluminium phosphate-sulphate minerals in the Chelopech Cu-Au deposit: Spatial development, chemistry and genetic significance. - Geochem. Mineral. and Petrol., 39; 39-51.
M.1.2002.11
Stoykov, S., Y. Yanev, R. Moritz, I. Katona. 2002. Geological structure and petrology of the Late Cretaceous Chelopech volcano, Srednogorie magmatic zone. - Geochem. Mineral. and Petrol., 39; 27-38, tabls 1-4.
M.1.2002.12
Mladenova, V., T. Kerestedjian. 2002. The Svishti Plaz gold deposit, Central Balkan Mountain, Bulgaria. - Geochem. Mineral. and Petrol., 39; 53-66.
M.1.2002.13
Arnaudov, V., Sv. Petrusenko, Ch. Karov. 2002. Buergerite in pegmatites from the Plana Cretaceous pluton, Western Bulgaria. - Geochem. Mineral. and Petrol., 39; 75-80.
SR.1.2003.1
Belivanova, V., Sapunov, I. 2003. The pre-Callovian stratigraphic gap in the Central Balkanids: a key for the interpretation of other Early-Middle Jurassic gaps in Bulgaria. - Geologica Balc., 33, 1-2, 17-33.
SR.1.2003.2
Belivanova, V., Sapunov, I. 2003. Features of some Early and Middle Jurassic diastems in Bulgaria. - Geologica Balc., 33, 1-2; 35-45.
F.FSR.MFSR.1.2003.3
Metodiev, L., Koleva-Rekalova, E. 2003. Cathodoluminescence test of belemnite rostra - first condition for precise isotope and chemical analyses: an example from the Toarcian at the section near the village of Beledie Han (Western Balkan Mts). - C.R. Acad. Bulg. Sci., 56; 6, 61-66.
2nd subgroup scientific geocollections (unpublished monographic geocollections)