Achim Bechtel

(Former)

1 - 50 out of 230Page size: 50

Research output

  1. 2024
  2. Published

    Influence of high-frequency lake level fluctuations on organic matter accumulation in the northern Qaidam Basin, NW China: Insights from spectral attribute analysis and geochemistry

    Hu, F., Misch, D., Zhang, P., Meng, Q., Sachsenhofer, R. F., Xu, Y., Shi, X., Liu, Z. & Bechtel, A., 1 Feb 2024, In: Journal of Asian earth sciences. 260.2024, 1 February, 20 p., 105937.

    Research output: Contribution to journal › Article › Research › peer-review

  3. 2023
  4. Published

    THE PRESERVATION OF CELLULOSE IN FOSSIL WOOD – IMPLICATIONS FROM ORGANIC GEOCHEMICAL STUDY OF FOSSIL AND MODERN WOOD

    Kus, J., Dolezych, M., Schneider, W., Hower, J. C., Hofmann, T., Rajczi, E. V., Sachsenhofer, R. F., Bechtel, A., Stojanović, K., Životić, D., Kojić, I., Mastalerz, M., Graupner, T., Lukens, W. E. & Donaldson, L., 2023, 31st International Meeting on Organic Geochemistry, IMOG 2023. (31st International Meeting on Organic Geochemistry, IMOG 2023).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  5. 2022
  6. Published

    Biomarker and compound-specific isotope records across the Toarcian CIE at the Dormettingen section in SW Germany

    Ajuaba, S., Sachsenhofer, R. F., Bechtel, A., Galasso, F., Gross, D., Misch, D. & Schneebeli-Hermann, E., Jul 2022, In: International Journal of Earth Sciences. 111.2022, 5, p. 1631-1661 31 p.

    Research output: Contribution to journal › Article › Research › peer-review

  7. 2021
  8. Published

    Temperature, precipitation, and vegetation changes in the Eastern Mediterranean over the last deglaciation and Dansgaard-Oeschger events

    Stockheke, M., Bechtel, A., Peterse, F., Guillemont, T. & Schubert, C. J., 1 Sept 2021, In: Palaeogeography, palaeoclimatology, palaeoecology. 577, 110535.

    Research output: Contribution to journal › Article › Research › peer-review

  9. Published

    Porosity evolution in organic matter-rich shales (Qingshankou Fm.; Songliao Basin, NE China): Implications for shale oil retention

    Zhang, P., Misch, D., Hu, F., Kostoglou, N., Sachsenhofer, R., Liu, Z., Meng, Q. T. & Bechtel, A., Aug 2021, In: Marine and petroleum geology. 130.2021, August, p. 1-17 17 p., 105139.

    Research output: Contribution to journal › Article › Research › peer-review

  10. Published

    PAHs in feed coals and fly ashes from coal-fired thermal power plants in Bulgaria

    Apostolova, D., Kostova, I., Bechtel, A. & Stefanova, M., 1 Jul 2021, In: International journal of coal geology. 243.2021, 1 July, 12 p., 103782.

    Research output: Contribution to journal › Article › Research › peer-review

  11. Published

    NEW GEOCHEMICAL INSIGHTS INTO CENOZOIC SOURCE ROCKS IN AZERBAIJAN: IMPLICATIONS FOR PETROLEUM SYSTEMS IN THE SOUTH CASPIAN REGION

    Aghayeva, V., Sachsenhofer, R., van Baak, C. G. C., Bechtel, A., Hoyle, T. M., Selby, D., Shiyanova, N. & Vincent, S. J., Jul 2021, In: Journal of Petroleum Geology. 44, 3, p. 349-384 36 p.

    Research output: Contribution to journal › Article › Research › peer-review

  12. Published

    Source rock potential, crude oil characteristics and oil-to-source rock correlation in a Central Paratethys sub-basin, the Hungarian Palaeogene Basin (Pannonian basin)

    Körmös, S., Sachsenhofer, R. F., Bechtel, A., Radovics, B. G., Milota, K. & Schubert, F., May 2021, In: Marine and petroleum geology. 127, 104955.

    Research output: Contribution to journal › Article › Research › peer-review

  13. Published

    Palaeoenvironmental reconstruction of the Konin Basin (central Poland) during lignite accumulation linked to the mid-Miocene climate optimum

    Widera, M., Bechtel, A., Chomiak, L., Maciaszek, P., Słodkowska, B., Wachocki, R., Worobiec, E., Worobiec, G. & Zieliński, T., 15 Apr 2021, In: Palaeogeography, palaeoclimatology, palaeoecology. 568, 110307.

    Research output: Contribution to journal › Article › Research › peer-review

  14. Published

    Comprehensive thermal maturity assessment in shales: a case study on the upper cretaceous Qingshankou formation (Songliao Basin, NE China)

    Zhang, P., Misch, D., Meng, Q., Bechtel, A., Sachsenhofer, R. F., Liu, Z., Gao, F., Hu, F., Zhang, S. & Tang, B., Apr 2021, In: International Journal of Earth Sciences. 110, 3, p. 943-962 20 p.

    Research output: Contribution to journal › Article › Research › peer-review

  15. Published

    Study of the synergetic effect of co-pyrolysis of lignite and high-density polyethylene aiming to improve utilization of low-rank coal

    Kojić, I., Bechtel, A., Aleksić, N., Životić, D., Trifunović, S., Gajica, G. & Stojanović, K., 1 Mar 2021, In: Polymers. 13, 5, p. 1-25 25 p., 759.

    Research output: Contribution to journal › Article › Research › peer-review

  16. 2020
  17. Published

    Variations in δ13C values of levoglucosan from low-temperature burning of lignite and biomass

    Rybicki, M., Marynowski, L., Bechtel, A. & Simoneit, B. R. T., 1 Sept 2020, In: Science of the total environment. 733.2020, 1 September, 7 p., 138991.

    Research output: Contribution to journal › Article › Research › peer-review

  18. Published

    Petrological and geochemical characteristics of xylites and associated lipids from the First Lusatian lignite seam (Konin Basin, Poland): Implications for floral sources, decomposition and environmental conditions

    Bechtel, A., Widera, M., Lücke, A., Groß, D. & Woszczyk, M., Sept 2020, In: Organic geochemistry. 147.2020, September, 16 p., 104052.

    Research output: Contribution to journal › Article › Research › peer-review

  19. Published

    Petrographic and organic geochemical study of the Eocene Kosd Formation (northern Pannonian Basin): Implications for paleoenvironment and hydrocarbon source potential

    Körmös, S., Bechtel, A., Sachsenhofer, R., Radovics, B. G., Milota, K. & Schubert, F., 1 Aug 2020, In: International journal of coal geology. 228, 103555.

    Research output: Contribution to journal › Article › Research › peer-review

  20. Published

    Hydrocarbon potential of the lower cretaceous (Barremian-Albian) shypot formation in the chornohora nappe, Ukraine

    Rauball, J. F., Sachsenhofer, R. F. & Bechtel, A., Aug 2020, In: Geologica Carpathica. 71.2020, 4, p. 314-327 14 p.

    Research output: Contribution to journal › Article › Research › peer-review

  21. Published

    Bio-geochemical evolution and critical element mineralization in the Cretaceous-Cenozoic coals from the southern Far East Russia and northeastern China

    Nechaev, V. P., Bechtel, A., Dai, S., Chekryzhov, I. Y., Pavlyutkin, B. I., Vysotskiy, S. V., Ignatiev, A. V., Velivetskaya, T. A., Guo, W., Tarasenko, I. A., Nechaeva, E. V., French, D. & Hower, J. C., Jun 2020, In: Applied Geochemistry. 117.2020, June, 104602.

    Research output: Contribution to journal › Article › Research › peer-review

  22. Published

    Stable isotopic and elemental characteristics of pale and dark layers in a late Pliocene lignite deposit basin in Yunnan Province, southwestern China: Implications for paleoenvironmental changes

    Liu, B., Zhao, C., Fiebig, J., Bechtel, A., Sun, Y. & Püttmann, W., 8 May 2020, In: International journal of coal geology. 226.2020, 1 June, 13 p., 103498.

    Research output: Contribution to journal › Article › Research › peer-review

  23. Published

    Implications for peat formation in Maritsa-West Basin, SE Bulgaria: Insights from organic petrology, palynology and biomarker assemblage

    Zdravkov, A., Stefanova, M., Worobiec, E., Bechtel, A., Marinov, S. & Kortenski, J., 1 Apr 2020, In: International journal of coal geology. 222.2020, 1 April, 18 p., 103447.

    Research output: Contribution to journal › Article › Research › peer-review

  24. Published

    Petroleum potential of Middle Jurassic rocks in the basement of the Carpathian Foredeep (Ukraine) and oil-to-source correlation with oil in Upper Jurassic reservoirs

    Rauball, J., Sachsenhofer, R. & Bechtel, A., Apr 2020, In: Geologica Carpathica. 71.2020, 2, p. 150-165 16 p.

    Research output: Contribution to journal › Article › Research › peer-review

  25. Published

    Recognition of peat depositional environments in coal: A review

    Dai, S., Bechtel, A., Eble, C. F., Flores, R. M., French, D., Graham, I. T., Hood, M. M., Hower, J. C., Korasidis, V. A., Moore, T. A., Püttmann, W., Wei, Q., Zhao, L. & Keefe, J. M. K., 15 Feb 2020, In: International journal of coal geology. 219.2020, 15 February, 67 p., 103383.

    Research output: Contribution to journal › Article › Research › peer-review

  26. Published

    Composition of lipids from coal deposits of the Far East: Relations to vegetation and climate change during the Cenozoic

    Bechtel, A., Chekryzhov, I. Y., Pavlyutkin, B. I., Nechaev, V. P., Dai, S., Vysotskiy, S. V., Velivetskaya, T. A., Tarasenko, I. A. & Guo, W., 15 Jan 2020, In: Palaeogeography, palaeoclimatology, palaeoecology. 538, January, 109479.

    Research output: Contribution to journal › Article › Research › peer-review

  27. Published

    Microfossil assemblages (Diatoms, calcareous nannofossils, and silicoflagellates), paleoenvironment, and hydrocarbon source rock potential of the oligocene ruslar formation at karadere, Bulgaria

    Tulan, E., Sachsenhofer, R. F., Witkowski, J., Tari, G., Ćorić, S. & Bechtel, A., 2 Jan 2020, In: Turkish Journal of Earth Sciences. 29.2020, 1, p. 154-169+Anhang 21 p.

    Research output: Contribution to journal › Article › Research › peer-review

  28. Published

    Preservation of monoterpenoids in Oligocene resin: Insights into the evolution of chemical defense mechanism of plants in deep-time

    Paul, S., Groß, D., Bechtel, A. & Dutta, S., 2 Jan 2020, In: International journal of coal geology. 217.2020, 2 January, 5 p., 103326.

    Research output: Contribution to journal › Article › Research › peer-review

  29. 2019
  30. Published

    Paleoenvironmental and paleoclimatic variations around Lake Van (Eastern Turkey) recorded by sedimentary source specific biomarkers 250–130 ka (MIS7 and MIS6)

    Guillemont, T., Stockhecke, M., Bechtel, A., Ladd, S. N., Nelson, D. B. & Schubert, C. J., 1 Dec 2019, In: Quaternary Science Reviews. 225.2019, 1 December, 10 p., 105997.

    Research output: Contribution to journal › Article › Research › peer-review

  31. Published

    A Thorough Study for PAHs in Dump Materials from Open-pit Lignite Mining, Maritsa Iztok Basin, Bulgaria

    Marinov, S., Stefanova, M., Milakovska, Z. & Bechtel, A., 15 Nov 2019, IOP Conference Series: Earth and Environmental Science. 1 ed. Vol. 362. (IOP Conference Series: Earth and Environmental Science).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  32. Published

    THE OLIGOCENE–MIOCENE MENILITE FORMATION IN THE UKRAINIAN CARPATHIANS: A WORLD-CLASS SOURCE ROCK

    Rauball, J., Sachsenhofer, R., Bechtel, A., Coric, S. & Gratzer, R., 16 Sept 2019, In: Journal of Petroleum Geology. 42.2019, 4, p. 393-415 23 p., 12743.

    Research output: Contribution to journal › Article › Research › peer-review

  33. E-pub ahead of print

    Composition of lipids from the First Lusatian lignite seam of the Konin Basin (Poland): Relationships with vegetation, climate and Carbon cycling during the mid-Miocene Climatic Optimum

    Bechtel, A., Widera, M. & Woszczyk, M., 12 Aug 2019, (E-pub ahead of print) In: International journal of coal geology. 138.2019, December, 17 p., 103908.

    Research output: Contribution to journal › Article › Research › peer-review

  34. Published

    Organic matter accumulation in the Upper Cretaceous Qingshankou and Nenjiang Formations, Songliao Basin (NE China): Implications from high-resolution geochemical analysis

    Xu, J., Liu, Z., Bechtel, A., Sachsenhofer, R. F., Jia, J., Meng, Q. & Sun, P., 1 Apr 2019, In: Marine and petroleum geology. 102.2019, April, p. 187-201 15 p.

    Research output: Contribution to journal › Article › Research › peer-review

  35. Published

    Dehydroicetexanes in sediments and crude oils: Possible markers for Cupressoideae

    Nytoft, H.-P., Kildahl-Andersen, G., Lindström, S., Rise, F., Bechtel, A., Mitrovic, D., Dokovic, N., Zivotic, D. & Stojanovic, K., 1 Mar 2019, In: Organic geochemistry. 129.2019, March, p. 14-23 10 p.

    Research output: Contribution to journal › Article › Research › peer-review

  36. Published

    Oil and gas in the Vienna Basin: hydrocarbon generation and alteration in a classical hydrocarbon province: Hydrocarbon generation and alteration in a classical hydrocarbon province

    Rupprecht, B., Sachsenhofer, R., Zach, C., Bechtel, A., Gratzer, R. & Kucher, F., 1 Feb 2019, In: Petroleum geoscience. 2019, Vol.25 No.1, p. 3-29 27 p.

    Research output: Contribution to journal › Article › Research › peer-review

  37. Published

    Organic petrological and geochemical properties of jet from the middle Triassic Mogila Formation, West Bulgaria

    Zdravkov, A., Ajdanlijsky, G., Gross, D. & Bechtel, A., 1 Feb 2019, In: Geologica Carpathica. 70.2019, 1, p. 62-74 13 p.

    Research output: Contribution to journal › Article › Research › peer-review

  38. Published

    The role of Pleistocene meltwater-controlled uranium leaching in assessing irradiation-induced alteration of organic matter and petroleum potential in the Tremadocian Koporie Formation (Western Russia)

    Schulz, H.-M., Yang, S., Panova, E. & Bechtel, A., 15 Jan 2019, In: Geochimica et cosmochimica acta. 245.2019, January, p. 133-153 21 p.

    Research output: Contribution to journal › Article › Research › peer-review

  39. Published

    Composition of lipids from lignite deposits of the Far East: Relations to vegetation and climate change during the Cenozoic

    Bechtel, A., Chekryzhov, I. Y., Pavlyutkin, B. I., Nechaev, V. P., Dai, S., Vysotskiy, S. V., Velivetskaya, T. A., Ignatiev, A. V. & Guo, W., 1 Jan 2019. 2 p.

    Research output: Contribution to conference › Presentation › Research › peer-review

  40. Published

    HYDROCARBON POTENTIAL AND PALAEO-DEPOSITIONAL ENVIRONMENT OF LACUSTRINE SOURCE ROCKS: MIDDLE JURASSIC SHIMENGOU FORMATION, NORTHERN QAIDAM BASIN, NW CHINA

    Meng, Q. T., Bechtel, A., Sachsenhofer, R. F., Liu, Z. J., Gross, D., Sun, P. C., Hu, F., Li, L., Wang, K. B., Xu, C., Chen, L. L. & Zeng, W. R., 1 Jan 2019, In: Journal of Petroleum Geology. 42.2019, 1, p. 37-58 22 p.

    Research output: Contribution to journal › Article › Research › peer-review

  41. Published

    Maturation and isotopic changes of individual hydrocarbons in lignite lithotypes through diagenesis and early catagenesis

    Kojić, I., Bechtel, A., Sachsenhofer, R. F., Životić, D. & Stojanović, K., 1 Jan 2019, 29th International Meeting on Organic Geochemistry, IMOG 2019. (29th International Meeting on Organic Geochemistry, IMOG 2019).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  42. Published

    Oil-source correlation in the German Molasse basin

    Bechtel, A., Berling, M., David, P., Dax, F., Garlichs, T. U., Gratzer, R., Groß, D., Köhler, V., Misch, D., Oriabure, J. E. & Sachsenhofer, R. F., 1 Jan 2019, 29th International Meeting on Organic Geochemistry, IMOG 2019. (29th International Meeting on Organic Geochemistry, IMOG 2019).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  43. Published

    Composition of lipids from coal deposits of the Far East: Relations to vegetation and Climate Change during the Cenozoic

    Bechtel, A., Chekryzhov, I. Y., Pavlyutkin, B. I., Nechaev, V. P., Dai, S., Vysotskiy, S. V., Velivetskaya, T. A., Ignatiev, A. V. & Guo, W., 2019. 2 p.

    Research output: Contribution to conference › Presentation › Research › peer-review

  44. Published

    Depositional environment and hydrocarbon potential of the Oligocene Menilite Formation in the Western Carpathians: A case study from the Loučka section (Czech Republic)

    Jirman, P., Gerslova, E., Bubik, M., Sachsenhofer, R., Bechtel, A. & Wieclaw, D., 2019, In: Marine and petroleum geology. 107.2019, September, p. 334-350 17 p.

    Research output: Contribution to journal › Article › Research › peer-review

  45. E-pub ahead of print

    Mineralogy, petrography and organic geochemistry of Miocene coal seamsin the Kınık coalfield (Soma Basin-Western Turkey): Insights intodepositional environment and palaeovegetation

    Oskay, R. G., Bechtel, A. & Karayigit, A. I., 2019, (E-pub ahead of print) In: International journal of coal geology. 210.2019, 22 p., 103205.

    Research output: Contribution to journal › Article › Research › peer-review

  46. Published

    Organic matter accumulation in the Upper Cretaceous Qingshankou and Nenjiang Formations, Songliao Basin (NE China): Implications from highresolution geochemical analysis

    Xu, J., Bechtel, A., Sachsenhofer, R., Jia, J., Meng, Q., Sun, P. & Liu, Z., 2019, In: Marine and petroleum geology. 2019, p. 187-201

    Research output: Contribution to journal › Article › Research › peer-review

  47. Published

    Significance of the high abundance of pentacyclic triterpenyl and hopenyl acetates in Sphagnum peat bogs from Northern Spain

    Lopez-Dias, V., Borrego, A. G., Blanco, C. G., Bechtel, A. & Püttmann, W., 2019

    Research output: Non-textual form › Web publication/site › Research

  48. 2018
  49. Published

    Depositional environment and petroleum potential of Oligocene rocks in the Waschberg Zone (Austria)

    Pupp, M., Bechtel, A., Gratzer, R., Heinrich, M., Kozak, S., Lipiarski, P. & Sachsenhofer, R. F., Aug 2018, In: Geologica Carpathica. 69, 4, p. 410-436

    Research output: Contribution to journal › Article › Research › peer-review

  50. Published

    Oligocene and Lower Miocene source rocks in the Paratethys: Palaeogeographical and stratigraphic controls

    Sachsenhofer, R. F., Popov, S. V., Bechtel, A., Coric, S., Francu, J., Gratzer, R., Grunert, P., Kotarba, M., Mayer, J., Pupp, M., Rupprecht, B. J. & Vincent, S. J., 1 Jan 2018, In: Geological Society Special Publications. 464, 1, p. 267-306 40 p.

    Research output: Contribution to journal › Article › Research › peer-review

  51. Published

    Source potential and depositional environment of Oligocene and Miocene rocks offshore Bulgaria

    Mayer, J., Rupprecht, B. J., Sachsenhofer, R. F., Tari, G., Bechtel, A., Coric, S., Siedl, W., Kosi, W. & Floodpage, J., 1 Jan 2018, In: Geological Society Special Publications. 464, 1, p. 307-328 22 p.

    Research output: Contribution to journal › Article › Research › peer-review

  52. Published

    Biomarkers: Coal

    Bechtel, A. & Püttmann, W., 2018, Encyclopedia of Geochemistry. White, W. M. (ed.). Cham, Switzerland: Springer Berlin, Vol. 1. p. 123-135

    Research output: Chapter in Book/Report/Conference proceeding › Entry for encyclopedia/dictionary › Research

  53. Published

    Conventional and unconventional petroleum systems in the Ukrainian Dniepr-Donets-Basin: A comprehensive source rock study

    Misch, D., Groß, D., Sachsenhofer, R., Bechtel, A. & Gratzer, R., 2018.

    Research output: Contribution to conference › Abstract › peer-review

  54. Published

    Depositional environment and hydrocarbon source potential of the Lower Miocene oil shale deposit in the Aleksinac Basin (Serbia)

    Bechtel, A., Oberauer, K., Kostić, A., Gratzer, R., Milisavljević, V., Aleksić, N., Stojanović, K., Groß, D. & Sachsenhofer, R. F., 2018, In: Organic geochemistry. 115, p. 93-112 20 p.

    Research output: Contribution to journal › Article › Research › peer-review

  55. Published

    Eocene and Oligo-Miocene source rocks in the Rioni and Kura Basins of Georgia: Depositional environment and petroleum potential

    Pupp, M., Bechtel, A., Coric, S., Gratzer, R., Rustamov, J. & Sachsenhofer, R., 2018, In: Journal of Petroleum Geology. 41, p. 367-392

    Research output: Contribution to journal › Article › Research › peer-review

  56. Published

    Middle Permian environmental changes and shale oil potential evidenced by high-resolution organic petrology, geochemistry and mineral composition of the sediments in the Santanghu Basin, Northwest China.

    Liu, B., Bechtel, A., Groß, D., Fu, X., Li, X. & Sachsenhofer, R., 2018, In: International journal of coal geology. 185, p. 119-137

    Research output: Contribution to journal › Article › Research › peer-review

  57. Published

    Petrographical and organic geochemical study of the lignite from the Smederevsko Pomoravlje field (Kostolac Basin, Serbia)

    Dokovic, N., Mitrovic, D., Zivotic, D., Bechtel, A., Sachsenhofer, R., Matic, V., Glamocanin, L. & Stojanovic, K., 2018, In: International journal of coal geology. 195, p. 139-171

    Research output: Contribution to journal › Article › Research › peer-review

Previous 1 2 3 4 5 Next
View graph of relations

Latest Research Output

View more (230)