HYDROCHEMICAL CONDITIONS IN THE REGION OF DOBRUDZHA COAL DEPOSIT (NE BULGARIA)

.Benderev A. & Bojadgieva K. Dobrudza coal basin – exploration for underground coal gasification and CO 2 storage, Proceedings, International conference:, "Ecology problems in raw-material branch", 28.8. – 1.9. 2011, Varna, Bulgaria, pp 81-87, 2011.

Hristov Z. (Chief editor). Geology of Dobrudzha coal basin, Bulgaria, Technika, 170 p., 1988. GeoConference on Science and Technologies in Geology, Exploration and Mining

Benderev A. & Antonov D. & Bojadgieva K., Temperature impact of underground coal gasification on water-carbonate rock interaction (Dobrudzha Coal Deposit), Proceedings of International conference "Geosciences 2012", 13-14 December 2012,Bulgaria, pp145-146, 2012.

Danchev D. & Damyanov A. & Nikolov E. & Benderev D. & Gushkov I., Regularities in the distribution of groundwater in the southeast of Dobrudja and Ludogorieto region (in Bulgarian), Annals of the High School of Mining and Geology, 21, pp 140-153, 1981

Stanev I., Old and new karst in Upper Jurassic-Lower Creatceous aquifer in North Bulgaria, Rev.Bulg.Grol.Soc, Bulgaria, XXXI, 2, 1970, 1981.

Pulido-Bosh A. & Lopez-Chicalano M. & Calafora J. M. & Calvache M. L. & Machkova M. & Dimitrov D. & Velikov B. & Pentchev P. Groundwater problems in the karstic aquifers of the Dobrich region, northeastern Bulgaria. Hydrological Sciences Journal, Vol. 44 , Issue 6, pp 913-927q, 1999

Bojadgieva, K. & Gasharov S. & Veselinov S., Geothermal Study of the Hydrogeological Regime in the Region of the Dobrudja Coal Deposit (NE Bulgaria) , Bulgaeian Geophysical Journal, XXIV, 3-4, pp127-136, 1998. 5. Garrels R. & Christ C. Solution, minerals and equilibria, New York, Harper and Row, 450 pр. 1965.

.Benderev A. & Bojadgieva K. Dobrudza coal basin – exploration for underground coal gasification and CO 2 storage, Proceedings, International conference:, "Ecology problems in raw-material branch", 28.8. – 1.9. 2011, Varna, Bulgaria, pp 81-87, 2011.

Hristov Z. (Chief editor). Geology of Dobrudzha coal basin, Bulgaria, Technika, 170 p., 1988. GeoConference on Science and Technologies in Geology, Exploration and Mining

Benderev A. & Antonov D. & Bojadgieva K., Temperature impact of underground coal gasification on water-carbonate rock interaction (Dobrudzha Coal Deposit), Proceedings of International conference "Geosciences 2012", 13-14 December 2012,Bulgaria, pp145-146, 2012.

Danchev D. & Damyanov A. & Nikolov E. & Benderev D. & Gushkov I., Regularities in the distribution of groundwater in the southeast of Dobrudja and Ludogorieto region (in Bulgarian), Annals of the High School of Mining and Geology, 21, pp 140-153, 1981

Stanev I., Old and new karst in Upper Jurassic-Lower Creatceous aquifer in North Bulgaria, Rev.Bulg.Grol.Soc, Bulgaria, XXXI, 2, 1970, 1981.

Pulido-Bosh A. & Lopez-Chicalano M. & Calafora J. M. & Calvache M. L. & Machkova M. & Dimitrov D. & Velikov B. & Pentchev P. Groundwater problems in the karstic aquifers of the Dobrich region, northeastern Bulgaria. Hydrological Sciences Journal, Vol. 44 , Issue 6, pp 913-927q, 1999

Bojadgieva, K. & Gasharov S. & Veselinov S., Geothermal Study of the Hydrogeological Regime in the Region of the Dobrudja Coal Deposit (NE Bulgaria) , Bulgaeian Geophysical Journal, XXIV, 3-4, pp127-136, 1998. 5. Garrels R. & Christ C. Solution, minerals and equilibria, New York, Harper and Row, 450 pр. 1965.