Results 41 to 50 of about 117,998 (221)

LITHOFACIES AND DEPOSITIONAL ENVIRONMENT OF VOLCANO-SEDIMENTARY DEPOSITS OF SE MAYO OULO BASIN [PDF]

American Journal of Geoscience, 2013
The study of volcano-sedimentary deposits of Mangbai in SE Mayo Oulo basin-Cameroon leads to the identification of five major distinct lithofacies t ypes. From the coarset to the finest lithofacies, t here are: Gb-clast supported by massive coble and boulder, Gg-granule to massive gravel, Sm-massive sand, Shhorizontal layered sandstones, Fml-massive ...
Fosso Menkem, E., Sebag, David, Ngounou Ngatcha, B.   +2 more
openaire   +5 more sources

Sedimentary molybdenum and uranium: Improving proxies for deoxygenation in coastal depositional environments

Chemical Geology, 2023
Sedimentary molybdenum (Mo) and uranium (U) enrichments are widely used to reconstruct changes in bottom water oxygen conditions in aquatic environments. Until now, most studies using Mo and U have focused on restricted suboxic-euxinic basins and continental margin oxygen minimum zones (OMZs), leaving mildly reducing and oxic (but eutrophic) coastal ...
Paul, K. Mareike, van Helmond, Niels A.G.M., Slomp, Caroline P., Jokinen, Sami A., Virtasalo, Joonas J., Filipsson, Helena L., Jilbert, Tom   +6 more
openaire   +4 more sources

A review on the provenance of the Voltaian Basin, Ghana: Implications for hydrocarbon prospectivity

Scientific African, 2022
The Voltaian Basin of Ghana has taken significance as a potential oil and gas basin. Since Ghana became a petroleum-producing country, every attempt is being made to understand the sedimentary basins within the country's territorial boundaries ...
Theresa Ngmenmaaloo Zobah, Caspar Daniel Adenutsi, Godfrey Chiri Amedjoe, Matthew Coffie Wilson, Cyril Dziedzorm Boateng, Jonathan Atuquaye Quaye, Samuel Erzuah, Lian Wang, Guoxiang Zhao, Hassan Karimaie, Sylvester Kojo Danuor   +10 more
doaj   +1 more source

Sedimentology and sequence stratigraphy of the mixed clastic-carbonate deposits in the Late Paleozoic icehouse period: A case study from the northern Qaidam Basin

China Geology, 2021
The widely-developed, mixed clastic-carbonate succession in the northern Qaidam Basin records the paleo-environment changes under the glacial activity during the Late Paleozoic icehouse period in the context of regional tectonic stability, however, the ...
Xiao-jie Wei, Zong-xing Li, Yin-sheng Ma, Yi-fan Li, Jun-jie Hu, Kui Liu, Xin-xin Fang   +6 more
doaj   +1 more source

Sedimentary and Diagenetic Controls across the Cretaceous—Paleogene Transition: New Paleoenvironmental Insights of the External Ionian Zone from the Pelagic Carbonates of the Gardiki Section (Epirus, Western Greece)

Journal of Marine Science and Engineering, 2022
Field investigation, biostratigraphic, paleoecological, and sedimentary microfacies analyses, as well as diagenetic processes characterization, were carried out in the Epirus region (Western Ionian Basin) to define the depositional environments and ...
Leonidas Moforis, George Kontakiotis, Hammad Tariq Janjuhah, Alexandra Zambetakis-Lekkas, Dimitrios Galanakis, Panagiotis Paschos, Christos Kanellopoulos, Sotirios Sboras, Evangelia Besiou, Vasileios Karakitsios, Assimina Antonarakou   +10 more
doaj   +1 more source

Changes in marine sedimentation patterns in the northeastern South China Sea in the past 35,000 years

Communications Earth & Environment
In the continental margin of the northeastern South China Sea, the sea level fluctuations since the Last Glacial Maximum have profoundly impacted the sedimentary environment.
Kuan-Ting Chen, Shu-Kun Hsu, Andrew Tien-Shun Lin, Chih-Chieh Su, Nathalie Babonneau, Gueorgui Ratzov, Serge Lallemand, Pi-Chun Huang, Lien-Kai Lin, Hsiao-Shan Lin, Ching-Hui Tsai, Jing-Yi Lin, Song-Chuen Chen   +12 more
doaj   +1 more source

Sediment Characteristics of Beachrock: A Baseline Investigation Based on Microbial Induced Carbonate Precipitation at Krakal-Sadranan Beach, Yogyakarta, Indonesia

Applied Sciences, 2020
Isolation of ureolytic bacteria and geochemical analysis of beachrock from Krakal-Sadranan Beach (Yogyakarta, Indonesia) were conducted to determine natural sedimentary characteristics of the beachrock.
Lutfian Rusdi Daryono, Kazunori Nakashima, Satoru Kawasaki, Anastasia Dewi Titisari, Didit Hadi Barianto   +4 more
doaj   +1 more source

Depositional environments as a framework for genetic classification of the basic criteria of petroleum potential

Georesursy
Most classifications of reservoirs, seals and source rocks based on the ability of the rock to generate, accumulate and preserve hydrocarbons, and the genesis of rocks is not always taken into account.
A. V. Stoupakova, N. I. Korobova, A. V. Mordasova, R. S. Sautkin, E. D. Sivkova, M. A. Bolshakova, M. E. Voronin, A. A. Suslova, M. Yu. Karpushin, D. D. Kozhanov, M. L. Makhnutina, N. S. Shevchuk, I. Ya. Bogatyireva, V. V. Chupakhina   +13 more
doaj   +1 more source

Mapping of Genetic Sequences of the Cambrian Series in the Jbel Saghro Massif, Eastern Anti-Atlas, Morocco: Implications for Eustatic and Tectonic Controls

Iraqi Geological Journal, 2022
In this paper, a sedimentological and sequence stratigraphy analysis was performed on Lower and Middle Cambrian deposits of Jbel Saghro, Eastern Anti-Atlas.
Assia Idrissi, Mohamed Saadi, Yassir Astati, Ali Bouayachi, Kawtar Benyas   +4 more
doaj   +1 more source

Late Quaternary sediments from Barakar-Damodar Basin, Eastern India include the 74 ka Toba ash and a 17 ka microlith toolkit

Journal of Asian Earth Sciences: X, 2023
The Youngest Toba Tuff (YTT, 74 ka ago) is considered as the product of one of the largest super-volcanic events in the Quaternary period, which possibly caused a disastrous effect on the climate and hominid habitation.
Sourav Mukhopadhyay, Biswajit Roy, Satish J. Sangode, Manoj K. Jaiswal, Samiran Dutta   +4 more
doaj   +1 more source