Organic geochemical characteristics and shale oil potential of the middle Eocene early-mature shale in the Nanpu Sag, Bohai Bay Basin, Eastern China

D Chen, X Pang, L Li, F Jiang, G Liu, M Li… - Marine and Petroleum …, 2021 - Elsevier
The decline of proven conventional petroleum resources in the shallow portions of the
Nanpu sag has shifted attention to the exploration of deep unconventional oil and gas …

Stable isotope geochemistry of the organic elements within shales and crude oils: a comprehensive review

AB Ogbesejana, B Liu, M Ostadhassan - Molecules, 2021 - mdpi.com
Over time, stable isotopes have proven to be a useful tool in petroleum geochemistry.
However, there is currently insufficient literature on stable isotope geochemistry of the …

Organic geochemical characterization of Early-Mid-Holocene swamp deposits near the Neolithic settlement in Yenikapı-Istanbul: Assessment of environmental …

MN Yalçın, H Wilkes, B Plessen - The Holocene, 2021 - journals.sagepub.com
During the archaeological excavations in the Byzantine Theodosian harbor (Istanbul) a
Holocene dark gray to black clay sequence was uncovered. This clay unit was deposited …

Comparison of δ2H values of leaf wax n-alkanes and n-alkanoic acids in subtropical angiosperms

Y Yang, Y Zhang, X Huang - Palaeogeography, Palaeoclimatology …, 2021 - Elsevier
Hydrogen isotope compositions of leaf wax lipids are widely applied to reconstruct changes
of hydroclimate in sedimentary archives. However, whether the δ 2 H signals from different …

Distribution of n‐alkan‐2‐ones in Qionghai Lake sediments, southwest China, and its potential for late Quaternary paleoclimate reconstruction

G Wang, Y Wang, Z Wei, W He… - Journal of Quaternary …, 2021 - Wiley Online Library
Studies on long‐chain n‐alkan‐2‐ones from lake sediments remain sparse. In this study, we
present an n‐alkan‐2‐one record from Qionghai Lake, southwest China, to assess the …

Composition and Evolution of Hydrogen Isotopes of n‐Akanes Generated from Anhydrous Pyrolysis of Sediments from Lake Gahai, Gannan, China

Y Duan, Y Wu, L Xing, Z Li… - Acta Geologica Sinica …, 2021 - Wiley Online Library
To understand the thermal evolution of lacustrine sedimentary n‐alkane hydrogen isotopic
composition (δD), especially bacterially derived n‐alkanes, anhydrous thermal simulation …

Polycyclic aromatic hydrocarbons in permafrost peatlands

A Pastukhov, S Loiko, D Kaverin - Scientific Reports, 2021 - nature.com
The concentrations of 15 individual PAHs in 93 peat cores have been determined by using
high-performance liquid chromatography methods. In the profile the qualitative and …