Deep-sea trace fossils and depositional model from the lower Miocene Tiaret Marl Formation (northwestern Algeria)

Cherif, Amine; Naimi, Mohammed Nadir; Belaid, Mourad

doi:10.1016/j.jafrearsci.2021.104115

Cited by 15 publications

(4 citation statements)

References 43 publications

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“…Marl is a kind of transitional rock between carbonate and shale rock. Different from salt and gypsum, marl is characterized by medium-high GR, mediumlow DEN, and medium-low RT in logging responses (Figure 5A) (Afsar et al, 2014;Cherif et al, 2021).…”

Section: Logging Response Characteristics Of Different Lithologiesmentioning

confidence: 99%

Utilizing logs to identify complex lithology of tight marl reservoir in the Leikoupo Formation 32 Submember (T2l32) of the Sichuan Basin, China

Yuan,

Wu,

Xin

et al. 2024

Front. Earth Sci.

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Recent exploration has revealed that the Middle Triassic Leikoupo Formation 32 Submember (T2l32) in the Sichuan Basin contains unconventional marl reservoirs with significant natural gas potential. Due to limited cores, old wells, and conventional logs, however, the lithological understanding of T2l32 is incomplete and relies solely on inaccurate mud logs. This lack of lithological foundation challenges geology and petroleum research. To identify complex lithology, this paper presents a double-hierarchical workflow to identify seven types of lithology using logs. The first order distinguishes salt, anhydrite, and marl, while the second order further subdivides marl into anhydrite marl, argillaceous limestone, shaly limestone, and limy shale. Different rocks’ logging response characteristics are summarized based on quantity-limited cores and micro-resistivity imaging logs. Lithological identification of 2D and 3D plots is established using sensitive GR, DEN, and RT. Corresponding identification standards are built in two hierarchies. According to these standards, the lithology of T2l32 is identified in a total of 119 wells. Finally, the lithological characteristics of vertical, horizontal, and plane are discussed in the research area. The research results may aid in comprehending the entire lithological characteristics of the complex marl reservoir in T2l32 of the Sichuan Basin. It would help the exploration potential of petroleum systems in turn.

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Section: Logging Response Characteristics Of Different Lithologiesmentioning

confidence: 99%

Utilizing logs to identify complex lithology of tight marl reservoir in the Leikoupo Formation 32 Submember (T2l32) of the Sichuan Basin, China

Yuan,

Wu,

Xin

et al. 2024

Front. Earth Sci.

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“…During the Miocene, several basins have been individualized in the northern part of Algeria, as well as the lower Chelif (Benzina et al, 2019;Naimi, 2019;Naimi et al, 2020a,b;, Tafna (Naimi et al, 2021a), Tiaret (Cherif et al, 2021a;Naimi et al, 2021b), and Tebessa basins (Benkhedda et al, 2021). In the lower Chelif, the Tafna and Tiaret Neogene basins, several studies identified Burdigalian to Messinian shallow-to deep-marine trace-fossil assemblages (Naimi et al, 2020a(Naimi et al, .…”

Section: Introductionmentioning

confidence: 99%

“…In the lower Chelif, the Tafna and Tiaret Neogene basins, several studies identified Burdigalian to Messinian shallow-to deep-marine trace-fossil assemblages (Naimi et al, 2020a(Naimi et al, . 2021aCherif et al, 2021a;. Unfortunately, ichnological studies have not been carried out on the Tebessa Basin.…”

Section: Introductionmentioning

confidence: 99%

Shallow marine trace-fossils from the Middle Miocene of the Tebessa Basin (NE Algeria) and their paleoenvironmental implications

Benkhedda

Defaflia

Cherif

et al. 2022

Rev. bras. paleontol.

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The northeastern part of Algeria is characterized by Meso–Cenozoic fossiliferous deposits. All the previous studies have been focused on invertebrate and vertebrate body fossils from this region. In the present paper we provide the first ichnological study from the region of Ouenza, Tebessa Wilaya (northeastern Algeria). An ichnoassemblage composed of eight ichnotaxa, namely cf. Archaeonassa isp., Arenicolites isp., Diplocraterion isp., Helminthopsis isp., Palaeophycus tubularis, Skolithoscf. linearis, cf. Taenidium isp., and Thalassinoides isp., reported from the lower Langhian (Middle Miocene) of Aïn Sidi Salah locality (Tebessa Basin) is discussed. These trace-fossils belong to the Skolithos and proximal Cruziana ichnofacies indicating deposition within a shallow marine (littoral). The large size of Thalassinoides suggests well-oxygenated setting, under moderate- to high-energy conditions, with occasional storm events. Keywords: trace-fossils, paleoenvironments, shallow marine, Middle Miocene, Tebessa.

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“…Recently, several works were conducted on the Miocene marine series from the Northern Algeria [Benzina et al, 2019;Cherif et al, 2021;Naimi et al, 2020. The Miocene sediments are cropping out in Tébessa region and belonging to the southern border of the Mediterranean Sea (Northeastern Algeria).…”

Section: Introductionmentioning

confidence: 99%

Upper Miocene deposits from El Ma Labiod (T\'{e}bessa, Northeastern Algeria): Sedimentology, micropaleontology and paleoenvironmental implications

Benkhedda¹,

Defaflia²,

Cherif³

et al. 2022

Russ. J. Earth Sci.

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The Miocene sediments have been the subject of several studies over the Mediterranean region especially from a bio-lithostratigraphic and geodynamic studies point of views. The Miocene deposits of the El-Ma Labiod located in Tébessa region (Northeastern Algeria) were investigated through the present research. This region is an area that was not extensively studied, and the available findings remain debatable. This study is conducted to clarify paleoenvironment conditions on the basis of a sedimentological approach including grain size, morphoscopy examination, and mineralogical analysis by XRD on the one hand, and by investigating the fauna contents on the other hand. The results reveal that Miocene sediments can display multiple modes of transport according to grain size. The XRD analyses on the clayey fraction have evidenced the presence of three clay minerals groups, mainly consisting of Kaolin-serpentine (kaolinite), minor smectite (Di-smectite), and sepiolite-plagorsikite (sepiolite) reflecting wholly warmer climate while the dominance of kaolinite indicates rather wet paleoclimate exposure. This study reports for the first time, a record of foraminifera and ostracods contents in the upper Miocene from the studied area. Based on these sedimentological and micropaleontological data, the Miocene deposits are more likely linked to a marginallittoral depositional environment.

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Deep-sea trace fossils and depositional model from the lower Miocene Tiaret Marl Formation (northwestern Algeria)

Cited by 15 publications

References 43 publications

Utilizing logs to identify complex lithology of tight marl reservoir in the Leikoupo Formation 32 Submember (T2l32) of the Sichuan Basin, China

Utilizing logs to identify complex lithology of tight marl reservoir in the Leikoupo Formation 32 Submember (T2l32) of the Sichuan Basin, China

Shallow marine trace-fossils from the Middle Miocene of the Tebessa Basin (NE Algeria) and their paleoenvironmental implications

Upper Miocene deposits from El Ma Labiod (T\'{e}bessa, Northeastern Algeria): Sedimentology, micropaleontology and paleoenvironmental implications

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