DR. ALOK KUMAR

Hakimi, Mohammed Hail; Kumar, Alok; Alqubalee, Abdullah M.; Singh, Alok K.; Almobarky, Mohammed; Rahim, Afikah; Alqudah, Mohammad; Lashin, Aref; Mustapha, Khairul Azlan; Naseem, Waqas (2024). Mineralogy and Geochemistry of the Paleocene-Eocene Palana Formation in Western Rajasthan, India: Insights for Sedimentary Paleoenvironmental Conditions and Volcanic Activity, MINERALS. 14(2). doi:10.3390/min14020126

Kumar, Alok; Singh, Alok K.; Christanis, Kimon (2024). Paleodepositional environment and hydrocarbon generation potential of the Paleogene lignite in the Barmer Basin, Rajasthan, India, JOURNAL OF ASIAN EARTH SCIENCES. 259. doi:10.1016/j.jseaes.2023.105892

Nilankar, Kumar; Singh, Divyanshoo; Singh, Hemant Kumar; Kumar, Alok; Mustapha, Khairul Azlan (2024). Evolution of Pore Morphometry and Compositional Changes in Immature Raniganj Shale under Heated Environment: Implications for Enhanced Gas Recovery, ENERGY & FUELS. 38(22), 22128-22145. doi:10.1021/acs.energyfuels.4c04095

Sidik, Siti Hanisah; Mustapha, Khairul Azlan; Kumar, Alok; Napanoparatkaew, Supat; Malihan, Marahizal (2024). Geochemical characteristics of crude oils and source rocks in the Malaysia-Thailand Joint Development Area (MTJDA), North Malay Basin, MARINE AND PETROLEUM GEOLOGY. 170. doi:10.1016/j.marpetgeo.2024.107135

Hakimi, Mohammed Hail; Kumar, Alok; Singh, Alok K.; Lashin, Aref; Rahim, Afikah; Varfolomeev, Mikhail A.; Yelwa, Nura Abdulmumini; Mustapha, Khairul Azlan (2023). Geochemistry and organic petrology of the bituminite shales from the Kapurdi mine, Rajasthan of NW India: implications for waxy oil generation potential, JOURNAL OF PETROLEUM EXPLORATION AND PRODUCTION TECHNOLOGY. . doi:10.1007/s13202-022-01597-9

Hatem, Baleid Ali; Mustapha, Khairul Azlan; Hakimi, Mohammed Hail; Kumar, Alok (2023). Preliminary study of crude oils from Shabwah depression in the Central Sab'atayn Basin (Yemen): Revealing oil-oil correlation with organic matter input and maturity based on geochemical properties of maltene and asphaltene fractions, GEOENERGY SCIENCE AND ENGINEERING. 226. doi:10.1016/j.geoen.2023.211754

Kumar, Alok; Kumari, Sneha; Mustapha, Khairul Azlan; Chakladar, Saswati; Chakravarty, Sanchita (2023). Geochemical characteristics of the Rajmahal coals in Dhulia North Block, Eastern India: implication to their utilization and environment, ENVIRONMENTAL GEOCHEMISTRY AND HEALTH. . doi:10.1007/s10653-023-01475-1

Kumari, Sneha; Roy, Toushali; Chakladar, Saswati; Kumar, Alok; Arif, Md.; Mohanty, Ashok; Kundu, Rajen; Chakravarty, Sanchita (2023). Distribution, mode of occurrence, and significance of rare-earth elements in coal from Samaleswari open cast coal blocks, Odisha, India with their provenance and paleodepositional environment, ENVIRONMENTAL EARTH SCIENCES. 82(5). doi:10.1007/s12665-023-10777-7

Kumar, Alok (2022). Tertiary Coal and Lignite Deposits of India and their Source Rock Potential: A Review on the Contribution of the Indian Coal Petrologists, JOURNAL OF THE GEOLOGICAL SOCIETY OF INDIA. 98(12), 1745-1753. doi:10.1007/s12594-022-2246-0

Kumar, Alok; Hakimi, Mohammed Hail; Singh, Alok K.; Abdullah, Wan Hasiah; Abidin, Nor Syazwani Zainal; Rahim, Afikah; Mustapha, Khairul Azlan; Yelwa, Nura Abdulmumini (2022). Geochemical and Petrological Characterization of the Early Eocene Carbonaceous Shales: Implications for Oil and Gas Exploration in the Barmer Basin, Northwest India, ACS OMEGA. 7(47), 42960-42974. doi:10.1021/acsomega.2c05148

Kumar, Aniruddha; Singh, Alok K.; Singh, Prakash K.; Singh, Asha Lata; Saikia, Binoy K.; Kumar, Alok (2022). Desulfurization of Giral lignite of Rajasthan (Western India) using Burkholderia sp. GR 8-02, INTERNATIONAL JOURNAL OF COAL PREPARATION AND UTILIZATION. 42(3), 735-751. doi:10.1080/19392699.2019.1651721

Nath, Manabendra; Kumar, Alok; Singh, Alok K. (2022). Assessment of hydrocarbon generative potential of Late Paleocene coals from East Khasi Hills, Meghalaya, North-East India, PETROLEUM SCIENCE AND TECHNOLOGY. 40(18), 2238-2250. doi:10.1080/10916466.2022.2039185

Kumar, Alok; Nath, Manabendra; Singh, Alok K. (2021). Source Rock Characterization for Hydrocarbon Generative Potential and Thermal Maturity of Sutunga Coals, (East Jaintia Hill) Meghalaya, India: Petrographic and Geochemical Approach, JOURNAL OF THE GEOLOGICAL SOCIETY OF INDIA. 97(6), 643-648. doi:10.1007/s12594-021-1739-6

Singh, Alok K.; Kumar, Alok; Tripathi, Jayant Kumar (2021). Mineralogical characteristics of low-rank coal from Nagaur, Rajasthan, India and their implication for the environment of paleomire, ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS. 43(8), 893-904. doi:10.1080/15567036.2019.1632983

Singh, A. K., Hakimi, M. H., Kumar, A., Ahmed, A., Abidin, N. S. Z., Kinawy, M., . . . Lashin, A. (2020). Geochemical and organic petrographic characteristics of high bituminous shales from Gurha mine in Rajasthan, NW India. Scientific Reports, 10(1), 19. doi: 10.1038/s41598-020-78906-x

Singh, Alok K.; Kumar, Alok (2020). Assessment of Thermal Maturity, Source Rock Potential and Paleodepositional Environment of the Paleogene Lignites in Barsingsar, Bikaner-Nagaur Basin, Western Rajasthan, India, NATURAL RESOURCES RESEARCH. 29(2), 1283-1305. doi:10.1007/s11053-019-09502-8

Singh, Alok K.; Kumar, Alok (2018). Organic geochemical characteristics of Nagaur lignites, Rajasthan, India, and their implication on thermal maturity and paleoenvironment, ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS. 40(15), 1842-1851. doi:10.1080/15567036.2018.1487480

Singh, Alok K.; Kumar, Alok (2018). Petrographic and Geochemical Study of Gurha Lignites, Bikaner Basin, Rajasthan, India: Implications for Thermal Maturity, Hydrocarbon Generation Potential and Paleodepositional Environment, JOURNAL OF THE GEOLOGICAL SOCIETY OF INDIA. 92(1), 27-35. doi:10.1007/s12594-018-0949-z

Singh, Alok K.; Kumar, Aniruddha; Singh, Prakash K.; Singh, Asha Lata; Kumar, Alok (2018). Bacterial desulphurization of low-rank coal: A case study of Eocene Lignite of Western Rajasthan, India, ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS. 40(10), 1199-1208. doi:10.1080/15567036.2018.1476608

Singh, Alok Kumar; Kumar, Alok; Hakimi, Mohammed Hail (2018). Organic geochemical and petrographical characteristics of the Nagaur lignites, Western Rajasthan, India and their relevance to liquid hydrocarbon generation, ARABIAN JOURNAL OF GEOSCIENCES. 11(15). doi:10.1007/s12517-018-3744-7

Sethy, Satya Narayan; Syed, Tajdarul H.; Kumar, Alok (2017). Evaluation of groundwater quality in parts of the Southern Gangetic Plain using water quality indices, ENVIRONMENTAL EARTH SCIENCES. 76(3). doi:10.1007/s12665-017-6434-y

Singh, Alok K.; Kumar, Alok (2017). Liquefaction behavior of Eocene lignites of Nagaur Basin, Rajasthan, India: A petrochemical approach, ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS. 39(15), 1686-1693. doi:10.1080/15567036.2017.1370514

Singh, Alok K.; Kumar, Alok (2017). Petro-chemical characterisation and depositional paleoenvironment of lignite deposits of Nagaur, Western Rajasthan, India, ENVIRONMENTAL EARTH SCIENCES. 76(20). doi:10.1007/s12665-017-7004-z

Banerjee, Riya; Chakladar, Saswati; Kumar, Alok; Chattopadhyay, Shyamal Kumar; Chakravarty, Sanchita (2024). Petrology and association of rare earth elements in magmatically altered high-ash coal of Indian origin, INTERNATIONAL JOURNAL OF COAL SCIENCE & TECHNOLOGY. 11(1). doi:10.1007/s40789-024-00709-6

Banerjee R., Chakladar S., Kumar A., Chattopadhyay S.K., Chakravarty S. (2024). Petrology and association of rare earth elements in magmatically altered high-ash coal of Indian origin, International Journal of Coal Science and Technology. 11(1). doi:10.1007/s40789-024-00709-6

Chakladar S., Kumari S., Kumar A., Mohanty A., Chakravarty S., Kolker A. (2024). Distribution of trace elements and rare earth elements in coal from the Bhalukasba Surni coal block, Rajmahal coalfield, Eastern India, International Journal of Coal Science and Technology. 11(1). doi:10.1007/s40789-024-00729-2

Hakimi M.H., Kumar A., Alqubalee A.M., Singh A.K., Almobarky M., Rahim A., Alqudah M., Lashin A., Mustapha K.A., Naseem W. (2024). Mineralogy and Geochemistry of the Paleocene Eocene Palana Formation in Western Rajasthan, India: Insights for Sedimentary Paleoenvironmental Conditions and Volcanic Activity, Minerals. 14(2). doi:10.3390/min14020126

Kumar A., K. Singh A., Christanis K. (2024). Paleodepositional environment and hydrocarbon generation potential of the Paleogene lignite in the Barmer Basin, Rajasthan, India, Journal of Asian Earth Sciences. 259. doi:10.1016/j.jseaes.2023.105892

Sidik S.H., Mustapha K.A., Kumar A., Napanoparatkaew S., Malihan M. (2024). Geochemical characteristics of crude oils and source rocks in the Malaysia-Thailand Joint Development Area (MTJDA), North Malay Basin, Marine and Petroleum Geology. 170. doi:10.1016/j.marpetgeo.2024.107135

Hakimi M.H., Kumar A., Singh A.K., Lashin A., Rahim A., Varfolomeev M.A., Yelwa N.A., Mustapha K.A. (2023). Geochemistry and organic petrology of the bituminite shales from the Kapurdi mine, Rajasthan of NW India: implications for waxy oil generation potential, Journal of Petroleum Exploration and Production Technology. 13(2), 505-521. doi:10.1007/s13202-022-01597-9

Hatem B.A., Mustapha K.A., Hakimi M.H., Kumar A. (2023). Preliminary study of crude oils from Shabwah depression in the Central Sab'atayn Basin (Yemen): Revealing oil-oil correlation with organic matter input and maturity based on geochemical properties of maltene and asphaltene fractions, Geoenergy Science and Engineering. 226. doi:10.1016/j.geoen.2023.211754

Kumar A., Kumari S., Mustapha K.A., Chakladar S., Chakravarty S. (2023). Geochemical characteristics of the Rajmahal coals in Dhulia North Block, Eastern India: implication to their utilization and environment, Environmental Geochemistry and Health. 45(10), 6967-6983. doi:10.1007/s10653-023-01475-1

Kumari S., Roy T., Chakladar S., Kumar A., Arif M., Mohanty A., Kundu R., Chakravarty S. (2023). Distribution, mode of occurrence, and significance of rare-earth elements in coal from Samaleswari open cast coal blocks, Odisha, India with their provenance and paleodepositional environment, Environmental Earth Sciences. 82(5). doi:10.1007/s12665-023-10777-7

Kumar A. (2022). Tertiary Coal and Lignite Deposits of India and their Source Rock Potential: A Review on the Contribution of the Indian Coal Petrologists, Journal of the Geological Society of India. 98(12), 1745-1753. doi:10.1007/s12594-022-2246-0

Kumar A., Hakimi M.H., Singh A.K., Abdullah W.H., Zainal Abidin N.S., Rahim A., Mustapha K.A., Yelwa N.A. (2022). Geochemical and Petrological Characterization of the Early Eocene Carbonaceous Shales: Implications for Oil and Gas Exploration in the Barmer Basin, Northwest India, ACS Omega. 7(47), 42960-42974. doi:10.1021/acsomega.2c05148

Hatem, B. A., Mustapha, K. A., Hakimi, M. H., & Kumar, A. (2023). Preliminary study of crude oils from Shabwah depression in the Central Sab'atayn Basin (Yemen): Revealing oil-oil correlation with organic matter input and maturity based on geochemical properties of maltene and asphaltene fractions. Geoenergy Science and Engineering, 226, 211754.

Hakimi, M. H., Kumar, A., Singh, A. K., Lashin, A., Rahim, A., Varfolomeev, M. A., ... & Mustapha, K. A. (2022). Geochemistry and organic petrology of the bituminite shales from the Kapurdi mine, Rajasthan of NW India: implications for waxy oil generation potential. Journal of Petroleum Exploration and Production Technology, 1-17.

Kumar, A., Singh, A. K., Singh, P. K., Singh, A. L., Saikia, B. K., & Kumar, A. (2022). Desulfurization of giral lignite of Rajasthan (Western India) using Burkholderia sp. GR 8 02. International Journal of Coal Preparation and Utilization, 42(3), 735-751.

Nath, M., & Kumar, A. (2022). A study of geochemical and petrographic characteristics of Eocene coal from Bapung coalfield, East Jaintia Hills, Meghalaya, North East India. Arabian Journal of Geosciences, 15(8), 718.

Kumar, A., Nath, M., & Singh, A. K. (2021). Source Rock Characterization for Hydrocarbon Generative Potential and Thermal Maturity of Sutunga Coals,(East Jaintia Hill) Meghalaya, India: Petrographic and Geochemical Approach. Journal of the Geological Society of India, 97(6), 643-648.

Kumar, A., Singh, A. K., Paul, D., & Kumar, A. (2021). Paleoenvironmental, paleovegetational, and paleoclimatic changes during Paleogene lignite formation in Rajasthan, India. Arabian Journal of Geosciences, 14, 1-15.

Kumar, A., Singh, A. K., Paul, D., & Kumar, A. (2020). Evaluation of hydrocarbon potential with insight into climate and environment present during deposition of the Sonari lignite, Barmer Basin Rajasthan. Energy and Climate Change, 1, 100006.

Singh, A. K., & Kumar, A. (2020). Assessment of thermal maturity, source rock potential and paleodepositional environment of the paleogene lignites in Barsingsar, Bikaner Nagaur Basin, Western Rajasthan, India. Natural Resources Research, 29, 1283-1305.

Sethy, S. N., Syed, T. H., Kumar, A., & Sinha, D. (2016). Hydrogeochemical characterization and quality assessment of groundwater in parts of Southern Gangetic Plain. Environmental Earth Sciences, 75, 1-15.

Singh, A.K., & Kumar, A. (2016). Organic Petrology and Depositional Environments of Lignites of Nagaur, Rajasthan, India. Jour. Journal of Indian Association of Sedimentologists, 33(1&2), 79-89