Bulgarian low rank coals: Geology and petrology

Geological Society Special Publication

Volumn 125, Issue , 1997, Pages 141-148

  Šiškov, George D ^a  

^a UNIVERSITY OF SOFIA   (Bulgaria)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 27144497488     PISSN: 03058719     EISSN: None     Source Type: Book Series    
DOI: 10.1144/GSL.SP.1997.125.01.11     Document Type: Article

References (17)

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3. DIESSEL, C. F. K. 1986. On the correlation between coal facies and depositional environments. In: Advances in the Study of the Sydney Basin. Proceedings of 20th Newcastle Symposium, 19-22.
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5. KOJUMDGIEVA, E. 1983. Paleogeographic environment during the desiccation of the Black Sea. Palaeogeography, Palaeoclimatology, Palaeoecology, 43, 195-204.
6. _ & POPOV, N. 1988 . Lithostratigraphy of the Neogene sediments in Bulgaria. Palaeontology, Stratigraphy, Lithology, 25, 3-26.
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9. ŠIŠKOV, G. 1976. Liptain - properties and genesis. Annuaire de l'Universite de Sofia, Faculte de Geologue et Geographie, 67, 1, 151-169.
10. _ 1988. Theoretical fundamentals of biochemical coalification. Kliment Ohridski University Press, Sofia.
11. _ & ANDREEV, A. 1987. A way to reconstruct coal-forming peleoplant communities based on the micropetrographic composition of Bulgarian Neogene coals. Comptes rendus de l'Academie bulgar des sciences, 40, 4, 77-80.
12. _ & ANGELOV, A. 1984. Delta-plain model of sedimentation of the Lom lignite basin. Comptes rendus de l'Academie bulgar des sciences, 37, 11, 1531-1533.
13. _ & VALCEVA, S. 1983. Petrological nomenclature of lignites and brown coals. Comptes rendus de l'Academie bulgar des sciences, 36, 6, 799-801.
14. ŠIŠKOV, G., STEFANOVA, U. & ZLATEV, I. 1986. Petrological characteristics of the coals from the Brod member in the West Mariza basin. Annuaire de l'Universite de Sofia, Faculte de Geologie et Geographie, 76, 1, 40-53.
15. ŠIŠKOV, G., VALCEVA, S. & PIMPIREV, H. 1988. Preconditions for the formation of the 'Stone forest' and coal deposits in the Gulf of Sozopol. Annuaire de l'Universite de Sofia, Faculte de Geologie et geographie, 77, 1, 190-200.
16. VELINOV, T. & BOJADGIEVA, K. 1981. Geothermal investigations in Bulgaria. Technika, Sofia.
17. WEHLSTEDT, W. C. & DAVIS, J. C. 1968. Fortran IV program for computation and display of principal components. Kansas Geological Survey Computer Control, 21.