Results 31 to 40 of about 172,768 (366)

Geochemical characteristics and depositional environment of the Shahejie Formation in the Binnan Oilfield, China

Journal of Geophysics and Engineering, 2020
Trace elements in sedimentary rocks are highly sensitive to palaeoaquatic environmental changes in a sedimentary environment, making them an effective means for studying the paleoclimate and paleoenvironment during the deposition of sediments.
Xiaochun Zuo, Cunlei Li, Jinliang Zhang, Guiyang Ma, PanPan Chen   +4 more
semanticscholar   +1 more source

Hybrid coastal edges in the Neuquén Basin (Allen Formation, Upper Cretaceous, Argentina) [PDF]

, 2015
The Allen Formation records the first Ingression Atlantic to the Neuquén Basin during the Late Cretaceous. The definition of lithofacies and facies associations interpretation for stratigraphic sections in Paso Córdoba and Salitral Moreno area, Río ...
Armas, María Paula, Sanchez, Maria Lidia   +1 more
core   +1 more source

A new model for the formation of microbial polygons in a coastal sabkha setting [PDF]

, 2017
The stratigraphic record of microbially induced sedimentary structures spans most of the depositional record. Today, microbes continue to generate, bind and modify sediments in a vast range of depositional environments.
Andrade, Luiza, Court, Wesley, Dutton, Kirsten, Head, Ian M., Lokier, Stephen, Paul, Andreas, Sherry, Angela, van der Land, Cees   +7 more
core   +2 more sources

Depositional environment of shale in Wufeng and Longmaxi Formations, Sichuan Basin

Petroleum Research, 2017
Formation of organic-rich shale was controlled by depositional processes and environment condition. According to petrology, mineralogy, fossil composition and sedimentary structure, seven lithofacies of shale were identified in the Wufeng Formation to ...
Jianhua Zhao, Zhijun Jin, Zhenkui Jin, Xin Wen, Yikai Geng, Caina Yan, Haikuan Nie   +6 more
doaj   +1 more source

Microfacies, Sedimentary Environment, Diagenesis and Petrophysical Evaluation of the Sarvak Formation in the framework of Sequence Stratigraphy in North-Dezful Embayment, southwestern Iran [PDF]

Journal of Stratigraphy and Sedimentology Researches, 2023
The subsurface section of the Sarvak Formation with a thickness of 455 m is located in the North-Dezful Embayment. The Sarvak Formation is underlain by the Ilam Formation with erosional discontinuity and is overlain probably by the Shale of the Kazhdumi ...
Zhila Rahmani, Mohammadhossein Adabi, Ehsan Dehyadegari, Alireza Rostami   +3 more
doaj   +1 more source

Geochemistry of the black rock series of lower Cambrian Qiongzhusi Formation, SW Yangtze Block, China: Reconstruction of sedimentary and tectonic environments

Open Geosciences, 2021
The black rock series in the Qiongzhusi Formation contains important geochemical information about the early Cambrian tectonic and ecological environment of the southwestern Yangtze Block.
Liu Hao, Wang Chan, Li Yong, Deng Jianghong, Deng Bin, Feng Yuexing, Chen Hui, Xu Yunlong, Zhao Shaoze   +8 more
doaj   +1 more source

Sedimentary logs and facies characterization dataset of Tembeling group from the vicinity area of Kuala Tahan, Pahang, Malaysia

Data in Brief, 2023
This sedimentary logging and facies characterized dataset of 28 outcrops exposed along Kuala Tahan – Kampung Pagi – Kampung Bantal which is situated in the central part of Peninsular Malaysia (in the state of Pahang).
Wei Chung Khor, Kamal Roslam Mohamed, Mohamed Shafeea Leman, Che Aziz Ali   +3 more
doaj   +1 more source

Dispositional characteristics of Ordovician Wufeng Formation and Silurian Longmaxi Formation in Sichuan Basin and its adjacent areas

Petroleum Research, 2017
According to data of gas wells and typical sections of Wufeng Formation and Longmaxi Formation in Sichuan Basin, shale of various graptolite zones were analyzed to determine depositional environment, lithology and thickness characteristics of the ...
Haikuan Nie, Zhijun Jin, Xin Ma, Zhongbao Liu, Tuo Lin, Zhenheng Yang   +5 more
doaj   +1 more source

Seawater redox variations during the deposition of the Kimmeridge Clay Formation, United Kingdom (Upper Jurassic): evidence from molybdenum isotopes and trace metal ratios [PDF]

, 2010
The Kimmeridge Clay Formation (KCF) and its equivalents worldwide represent one of the most prolonged periods of organic carbon accumulation of the Mesozoic.
Abbink, Ahmadi, Al-Suwaidi, Algeo, Algeo, Algeo, Anbar, Angela L. Coe, Anthony S. Cohen, Archer, Arnold, Barling, Bertrand, Chambers, Christopher R. Pearce, Cohen, Cohen, Cox, Crusius, Crusius, Demaison, Dunn, Emerson, Glennie, Gradstein, Hallam, Herbin, Hesselbo, Hesselbo, Huang, Jenkyns, Jenkyns, Jenkyns, Jenkyns, Kemp, Lallier-Vergès, Lallier-Vergès, Lees, Lees, Ling, Matthews, McArthur, McManus, Miller, Morford, Morgans-Bell, Neubert, Oschmann, Oschmann, Padden, Pearce, Pearce, Pearson, Piper, Poulson, Pálfy, Raiswell, Raiswell, Saelen, Schouten, Siebert, Siebert, Sinninghe Damsté, Taylor, Tossell, Tribovillard, Tribovillard, Tribovillard, Tribovillard, Tyson, Tyson, Tyson, van Dongen, van Kaam-Peters, van Kaam-Peters, Weedon, Weedon, Weissert, Wignall, Wignall, Wignall, Ziegler   +81 more
core   +1 more source

Compositional and multivariate statistical analyses for grain-size characterisation of intertidal sedimentary facies in an estuarine environment

Geology, Ecology, and Landscapes, 2020
This study presents the characterisation of grain size dynamics within an estuarine environment through statistical summarisation of grain size distribution and multivariate statistics.
Temitope D. Timothy Oyedotun
doaj   +1 more source