Integrated biostratigraphy and stage boundaries of the Abderaz Formation, east of the Kopeh-Dagh sedimentary basin, NE Iran

Vahidinia, Mohammad; Youssef, Mohamed; Ardestani, Meysam Shafiee; Sadeghi, Abbas; Dochev, Docho

doi:10.1016/j.jafrearsci.2013.11.007

Cited by 12 publications

(6 citation statements)

References 23 publications

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“…3;Gebhardt, 2004, fig. 3;Vahidinia et al, 2014). Sample numbers AK-9 to AK-12 indicate a thickness of approximately 5.5 m for the interval of the D. primitiva biozone in the Azmer section, whilst sample numbers DK-1 to DK-3 suggest a thickness of about 6 m in the Dokan section ( Fig.…”

Section: Dicarinella Primitiva Interval Zone Latest Turonianmentioning

confidence: 97%

“…4): the eponymous biozonal species occurs rarely in both sections. Although previous work suggested that H. helvetica is indicative of the mid-Turonian (Salaj, 1980(Salaj, , 1997Wonders, 1980;Robaszynski et al, 1984;Caron, 1985;Sliter, 1989;Abdel-Kireem et al, 1995;Premoli Silva & Verga, 2004;Abawi & Mahmood, 2005), it is now considered to denote an interval in the early Turonian (Caron et al, 2006;Desmares et al, 2007;Gebhardt et al, 2010;ogg & Hinnov, 2012;Vahidinia et al, 2014;see Fig. 5).…”

Section: Helvetoglobotruncana Helvetica Total Range Zone Early Turonianmentioning

confidence: 99%

“…2;Gebhardt, 2004, fig. 3;2008;Vahidinia et al, 2014) and, given the presence of a welldefined D. primitiva biozone in the Iraqi succession, the earliest occurrence of D. concavata is equated to the base of the Coniacian. The dominant planktonic foraminiferal group in this biozone is the marginotruncanids.…”

Section: Dicarinella Primitiva Interval Zone Latest Turonianmentioning

confidence: 99%

“…810-811, fig. 27.6), the first occurrence of the biozonal species is regarded as an approximate indicator for the base of the Santonian (ogg & Hinnov, 2012, p. 805;Kochhann et al, 2014;Vahidinia et al, 2014; see also Marks, 1984b, p. 166). Lamolda et al (2014) used inoceramid bivalves (Platyceramus undulatoplicatus Roemer, 1852) to define the base of the Santonian in olazagutia, northern Spain.…”

Section: Dicarinella Primitiva Interval Zone Latest Turonianmentioning

confidence: 99%

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Biostratigraphy and palaeoceanography of the early Turonian–early Maastrichtian planktonic foraminifera of NE Iraq

Jaff

Wilkinson

Lee

et al. 2015

Journal of Micropalaeontology

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he Upper Cretaceous Kometan and Shiranish formations of the Kurdistan region, NE Iraq, yield diverse planktonic foraminiferal assemblages, with a total of 93 species, which enable recognition of nine biozones and two subzones spanning the early Turonian to late early Maastrichtian. Sequential changes in planktonic foraminiferal assemblages map discrete intervals within the Kometan and Shiranish formations that suggest dominantly warm, nutrient-poor marine surface and near-surface conditions during the mid-Turonian to late Coniacian, latest Santonian, and late Campanian, and cooler more nutrient-rich surface and near-surface waters in the early Turonian, early to late Santonian, early Campanian and early Maastrichtian. These intervals appear to correlate with changes in water masses from other regions of the Cretaceous palaeotropics, and with a phase of global, early Maastrichtian climate cooling. The major intra-Campanian truncation surface between the Kometan and Shiranish formations, recognized from the foraminiferal biostratigraphy, represents a lowstand that appears to equate with regional tectonics and ophiolite obduction across the NE margin of the Arabian Plate.

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Section: Dicarinella Primitiva Interval Zone Latest Turonianmentioning

confidence: 97%

Section: Helvetoglobotruncana Helvetica Total Range Zone Early Turonianmentioning

confidence: 99%

Section: Dicarinella Primitiva Interval Zone Latest Turonianmentioning

confidence: 99%

Section: Dicarinella Primitiva Interval Zone Latest Turonianmentioning

confidence: 99%

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Biostratigraphy and palaeoceanography of the early Turonian–early Maastrichtian planktonic foraminifera of NE Iraq

Jaff

Wilkinson

Lee

et al. 2015

Journal of Micropalaeontology

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“…The zagros orogenic belt of Iran, as part of the Alpine-Himalayan mountain chain, extends for about 2000 km in a NW-SE direction from the East Anatolian Fault of eastern Turkey to the Oman Line in southern Iran. The belt is considered to be a complex product of an early Mesozoic separation of the Iranian continental block from the rest of the Gondwana Indmass(es) followed by a NE-dipping subduction of the newly generated Neo-Tethyan oceanic crust below the Iranian microcontinent and subsequent collision between the Afro-Arabian and Iranian plates [4]- [12]. More than 65 percent (107.5 billion cubic meters) of the remaining proven oil reserves (159.6 billion cubic meters) and nearly 34 percent (49.5 trillion cubic meters) of the total gas reserves (146.4 trillion cubic meters) of the world have accumulated in numerous giant and supergiant hydrocarbon fields of the Middle East [3].…”

Section: Introductionmentioning

confidence: 99%

Investigation of Main Planktonic Foraminiferal Bio-Events in Surgah Formation at Pol-e-Dokhtar Area, South Western of Iran

Vahidinia¹,

Haddadi²,

Ardestani³

2016

OJG

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Surgah Formation at Male-kuh well section with 82 meters thickness has been studied at Pole -Dokhtar area. Surgah Formation at mentioned section was composed of limestone and shaly limestone. The lower and upper contacts of studied formation with Sarvak and Ilam formations are conformed. Based planktonic foraminifera study 37 species belonging to 10 genera in frame of two planktonic foraminiferal biozones were identified respectively as below: 1) Dicarinella concavata Interval Zone; 2) Dicarinella asymetrica Total Range Zone. Finally, based on recent investigation have been detected middle Turonian-Late Santonian age for studied section. According to (Robaszynski and Caron 1979), the first occurrence of Dicarinella primitiva has been shown base of the Coniacian stage. The first occurrence of Di. primitiva was placed under the Turonian-Coniacian boundary. Robaszynski and Caron 1995 recorded the first occurrence of Dicarinella primitiva and Dicarinella concavata were simultaneous and assigned to late Turonian which correlated with ammonite's species Subprionocyclus neptuni. In the correlation between ammonite and Dicarinella primitiva at Tethyan realm first occurrence of Di. primitiva was close to the Middle-Late Turonian sub stage. The base of Coniacian stage was identified based on the FODs of Archaeoglobigerina cretacea and Dicarinella concavata from planktonic foraminifera with FOD of Cremnoceramus walterdorfensis walterdorfensis from inoceramid group, while the base of Santonian stage recorded using LOD of Dicarinella primitiva, Whiteinellids group with FODs of Dicarinella asymetrica and Inoceramus aff. vistulensis (inoceramid species).

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Groundwater quality for drinking and agricultural purposes, Saleh Abad (NE Iran): geochemical and statistical approaches

Mahaqi

2021

Carbonates Evaporites

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Integrated biostratigraphy and stage boundaries of the Abderaz Formation, east of the Kopeh-Dagh sedimentary basin, NE Iran

Cited by 12 publications

References 23 publications

Biostratigraphy and palaeoceanography of the early Turonian–early Maastrichtian planktonic foraminifera of NE Iraq

Biostratigraphy and palaeoceanography of the early Turonian–early Maastrichtian planktonic foraminifera of NE Iraq

Investigation of Main Planktonic Foraminiferal Bio-Events in Surgah Formation at Pol-e-Dokhtar Area, South Western of Iran

Groundwater quality for drinking and agricultural purposes, Saleh Abad (NE Iran): geochemical and statistical approaches

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