Yu.I. Inozemtsev, P.S. Dimitrov, Ya.K.Lutsiv, A.A. Paryshev. CHAUDA DEPOSITS OF THE BLACK SEA SHELF OF BULGARIA 

https://doi.org/10.15407/gpimo2017.03.045

Geology and Mineral Resources of World Ocean 2017, 13 (3): 45-61

Yu.I. Inozemtsev¹, P.S. Dimitrov², Ya.K.Lutsiv³, A.A. Paryshev¹

1. Department of Marine Geology and Sedimentary Ore Formation NAS of Ukraine, Kyiv

2. Institute of Oceanology, Bulgarian Academy of Sciences, Varna, Bulgaria

3. Institute of Institute of Geological Sciences NAS of Ukraine, Kyiv

CHAUDA DEPOSITS OF THE BLACK SEA SHELF OF BULGARIA 
On the local structural uplifts developed in the central and northern parts of the Black Sea shelf of Bulgaria, 8 wells were drilled at sea, depths – 60 m. In the interval 22–60 m (absolute mark – 45 m) sandyargillaceous deposits from the fauna of mollusks were encountered. In the southern part of the shelf (south of Cape Emine) sediments with a similar fauna were found by a shock tube on the monoclinic structure of the East Stara Planina at a depth of 45 m. It was established that the Chauda deposits in facies in certain sections of the shelf have some differences. First of all, in the composition of mollusk complexes, which are considered by individual researchers to be ancient Euxine sediments (Nanevska area). Arguments are presented in favor of the confinement of the Mediterranean fauna to the upper part of the Chaudin deposits of the Black Sea shelf of Bulgaria. The obtained results of the investigation of quaternary deposits of the Black Sea shelf of Bulgaria can be used for mapping, selecting areas for structural and parametric drilling for oil and gas, laying communication lines and laying gas mains. 
Keywords: Black Sea, Chaudin deposits, correlation. 

References
1. Babak E.V., Stojkov S.S. Kompleksy pozdnechetvertichnyh mollyuskov morskih otlozhenij kontinental'noj terrasy. Geol.geofiz. issled. bolgarskogo sektora CHernogo morya. Sofiya, 1980, s. 203–212. 
2. Geologiya i gidrogeologiya zapadnoj chasti CHernogo morya. Sofiya, 1979. 293 s. 
3. Geologo-geofizicheskie issledovaniya bolgarskogo sektora CHernogo morya. Sofiya, 1980. 319 s. 
4. Dimitrov P.S., Govberg L.I. Nekotorye cherty geologicheskoj istorii shel'fa zapadnoj chasti CHernogo morya v plejstocene. Dokl. BAN. 1978. 31, № 9. S. 1167–1170. 
5. Dimitrov P.S., Govberg L.I. Novye dannye o plejstocenovyh terrasah i paleogeografii bolgarskogo shel'fa CHernogo morya. Geomorfologiya. 1979. № 2. S. 81–89. 
6. Dimitrov P.S., Govberg L.I., K"neva-Abadzhieva Morski kvaternari naslagi ot perifernati oblast na shelfa v zapadnata chast na CHerno more. Okeanologiya. 1979. № 5, S. 67–77. 
7. Kalinin A.V., Kuprin P.N. Limonov A.F. i dr. Novye dannye po geologii zapadnoj chasti CHernogo morya i napravlenie dal'nejshih issledovanij. K.: Nauk. dumka. 1984. S. 6–21. 
8. Kr"stev T., Kuprin P. Peta s"vetsko-b"lgarska geologo-geofizichna ekspediciya s nauchno-izsledovatelskiya korab «Horizont» (5-j rejs). Byul. Nacionalen okeanograficheski komitet, IC–I. Sofiya, 1982. S. 17–24. 
9. Rajna I., Stoyanova R. Biostratigraficheskie issledovaniya chetvertichnyh otlozhenij platformennoj chasti bolgarskogo chernomorskogo shel'fa. Geologicheskaya ehvolyuciya zapadnoj chasti CHernomorskoj kotloviny v neogen-chetvertichnoe vremya. Institut okeanologii BAN, 9000. Varna. 1990. S. 194–201. 
10. Rajna I., Stoyanova R. Biostratigrafiya chetvertichnogo perioda shel'fovoj zony Nizhne-Kamchijskogo progiba. Geologicheskaya ehvolyuciya zapadnoj chasti CHernomorskoj kotloviny v neogen-chetvertichnoe vremya. Institut okeanologii BAN. 9000. Varna. 1990. S. 202–210. 
11. Fedorov P.V. Nekotorye diskussionnye voprosy plejstocenovoj istorii CHernogo morya. Byul. MOIP. Otd. geol. 1982. 57, vyp. 1, S. 108–117. 
12. Hrischev H.G., SHopov V.L. Morskoj plejstocen Burgasskogo zaliva i problema sootnosheniya uzunlarskih i karangatskih sloev. Geol. Balcanica, 9.2. Sofia, 1978, R. 69–84.