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   Articles with "unconformity" as a keyword



Diagenesis of unconformity and the influence on reservoir physical properties: a case study of the lower Jurassic in Xiazijie area, Junggar Basin, NW China

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recommendations! Published in 2017 at "Journal of Petroleum Exploration and Production Technology"

DOI: 10.1007/s13202-017-0322-6

Abstract: Diagenesis process of unconformity is very important in understanding the physical properties of the reservoirs. In this paper, based on a comprehensive analysis of well cores, thin sections, casting thin sections, scanning electron microscopy and… read more here.

Keywords: unconformity; reservoir physical; physical properties; cementation ... See more keywords

Using cyclostratigraphic evidence to define the unconformity caused by the Mesoproterozoic Qinyu Uplift in the North China Craton

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recommendations! Published in 2020 at "Journal of Asian Earth Sciences"

DOI: 10.1016/j.jseaes.2020.104608

Abstract: Abstract In the Yanliao Basin of the North China Craton, the Mesoproterozoic Xiamaling Formation contacted unconformably with the underlying Tieling Formation. This unconformity was caused by the Qinyu Uplift. Underneath this unconformity, the Tieling Formation… read more here.

Keywords: qinyu uplift; unconformity; formation; tieling formation ... See more keywords

Drowning unconformities on presalt carbonate platforms – Examples from the Itapema Formation (Lower Cretaceous), Santos Basin, offshore Brazil

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recommendations! Published in 2021 at "Palaeogeography, Palaeoclimatology, Palaeoecology"

DOI: 10.1016/j.palaeo.2021.110570

Abstract: Abstract Drowning unconformities are surfaces characterized on seismic data by high amplitude contrast between deepwater and shallow water facies. Such surfaces are created by the covering of the platform by onlapping siliciclastic sediments or other… read more here.

Keywords: itapema formation; drowning unconformities; formation; unconformity ... See more keywords

The Ediacaran–Cambrian boundary: Evaluating stratigraphic completeness and the Great Unconformity

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recommendations! Published in 2020 at "Precambrian Research"

DOI: 10.1016/j.precamres.2020.105721

Abstract: Abstract The Ediacaran–Cambrian transition was a time of marked biological and sedimentary changes, representing a significant evolutionary breakthrough in Earth’s history. Numerous explanations have been posited for these dramatic changes. One view emphasizes an extensive… read more here.

Keywords: unconformity; cambrian boundary; great unconformity; ediacaran cambrian ... See more keywords

Chronostratigraphy of the Pliocene–Pleistocene boundary in forearc basin fill on the Pacific side of central Japan: Constraints on the spatial distribution of an unconformity resulting from a widespread tectonic event

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recommendations! Published in 2017 at "Quaternary International"

DOI: 10.1016/j.quaint.2017.05.034

Abstract: The upper Ikego Formation (Pliocene) and the Urago Formation (Pliocene to Lower Pleistocene) have been examined for their lithostratigraphy, calcareous nannofossil biostratigraphy, and magnetostratigraphy. Both formations are forearc basin fills exposed on the Miura Peninsula… read more here.

Keywords: side central; unconformity; forearc basin; pliocene ... See more keywords