Results 31 to 40 of about 756 (173)
Shiyou shiyan dizhiTo optimize the identification of sweet spots with natural fracture development in ultra-deep tight sandstone reservoirs of Cretaceous in the Kuqa Depression, Tarim Basin, this study systematically analyzed the differences in rock mechanical properties ...
Zhimin WANG +6 more
doaj +1 more source
Microfacies, sedimentary environmental model and relative sea level change of marly strata of the Qom Formation in Zarrin-Abad section, South of Zanjan [PDF]
Journal of Stratigraphy and Sedimentology Researches, 2020 In order to reconstruct the sedimentary environment of marly strata related to the upper parts of Qom Formation, one stratigraphic outcrop have been studied.
Javad Rabbani +2 more
doaj +1 more source
Seismic Stratigraphic Slice Continuous Browsing Technology to Delicately Characterize River Sedimentary Microfacies [PDF]
E3S Web of ConferencesG4 oil formation is divided into three sets of sand formations, namely, G4 upper, G4 middle, and G4 lower sand formations, and divided into small layers in detail.
Gao Feng
doaj +1 more source
Study of Sedimentary Facies and Depositional Environment in Qamchuqa Formation at Northern Iraq [PDF]
Kirkuk Journal of Science, 2016 Qamchuqa Formation rocks are part of eighth cycle of the Arabian plate (AP8). The rock sequences of this cycle deposited in Late Tithonian - Early Turonian.
Nabil Y. Al-Banna +1 more
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Dizhi lixue xuebao, 2023 The sedimentary lithology is complex in the middle sub-member of the first member of the Liushagang Formation(L1-M) of the Weizhou-11A oilfield in the southwest Weizhou depression of the Beibu Gulf Basin.
CHENG Yuehong, LI Mao, YU Xinghe
doaj +1 more source
Journal of Quaternary Science, EarlyView.ABSTRACT The northern European distal cryptotephra framework is constantly developing both in terms of identification of new tephra horizons and improved age constraints for the already well‐established tephra marker horizons. However, many prehistoric tephra layers have only been dated by the radiocarbon method, with its inherent problems.
Maarit Kalliokoski +2 more
wiley +1 more source
Journal of Quaternary Science, EarlyView.ABSTRACT Victoria Cave, north Yorkshire, England, contains a long sequence of Pleistocene clastic sediments and calcite flowstones. Earlier work, using U–Th dating, established that the flowstone units formed in interglacial stages corresponding to Marine Isotope Stages (MIS) 13, 11, 9, 7 and 5.
Tom C. Lord +7 more
wiley +1 more source
Open Geosciences, 2021 Datong Basin is a platform uplift formed in the Cenozoic era and has a significant coal-bearing geological unit in China. Tashan Mine is located in the middle-eastern part of the Datong Basin, the coal resources of the Taiyuan Formation are abundant, and
Duan Hongyue +3 more
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Energies, 2022 Fan deltas of the Lower Cretaceous area in Saihantala sag, Erlian Basin have been identified as major petroleum exploration opportunities. The sedimentary evolution is, however, still debatable, which hinders insights into its controlling factors.
Bo Yan +4 more
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Boreas, EarlyView.Palynological records are central to the biostratigraphic subdivision of the Late Pleistocene in central Europe. Yet many interglacial and interstadial phases—such as the Eemian, Brörup and Odderade—remain only poorly constrained in time due to limited numerical dating.
Michael Hein +19 more
wiley +1 more source