Late Miocene stratigraphy, palaeoecology and palaeogeography of the Tabriz Basin (NW Iran, Eastern Paratethys)

Reichenbacher, Bettina; Alimohammadian, Habib; Sabouri, Jafar; Haghfarshi, Enayat; Faridi, Mohammad; Abbasi, Syrous; Matzke‐Karasz, Renate; Fellin, Maria Giuditta; Carnevale, Giorgio; Schiller, Wolfgang; Vasilyan, Davit; Scharrer, Steffen

doi:10.1016/j.palaeo.2011.07.009

Cited by 42 publications

(22 citation statements)

References 33 publications

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“…Zircon U-Pb dating of three independent samples of this unit obtained at different locations yielded well reproducible ages of 10.7 AE 0.3, 10.8 AE 0.2 and 10.7 AE 0.2 Ma(Table 5;Figs 3, 4 and 8). Our data suggest active regional volcanism between at least~25 and 15 Ma (similarly to the Takab Range Complex,Heidari et al, 2015) and the establishment of new volcanic centres in NW Iran by~11 Ma (e.g Richards et al, 2006;Reichenbacher et al, 2011)…”

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confidence: 61%

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Tectono‐sedimentary evolution of the northern Iranian Plateau: insights from middle–late Miocene foreland‐basin deposits

et al. 2016

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Sedimentary basins in the interior of orogenic plateaus can provide unique insights into the early history of plateau evolution and related geodynamic processes. The northern sectors of the Iranian Plateau of the Arabia-Eurasia collision zone offer the unique possibility to study middle-late Miocene terrestrial clastic and volcaniclastic sediments that allow assessing the nascent stages of collisional plateau formation. In particular, these sedimentary archives allow investigating several debated and poorly understood issues associated with the long-term evolution of the Iranian Plateau, including the regional spatio-temporal characteristics of sedimentation and deformation and the mechanisms of plateau growth. We document that middle-late Miocene crustal shortening and thickening processes led to the growth of a basement-cored range (Takab Range Complex) in the interior of the plateau. This triggered the development of a foreland-basin (Great Pari Basin) to the east between 16.5 and 10.7 Ma. By 10.7 Ma, a fast progradation of conglomerates over the foreland strata occurred, most likely during a decrease in flexural subsidence triggered by rock uplift along an intraforeland basement-cored range (Mahneshan Range Complex). This was in turn followed by the final incorporation of the foreland deposits into the orogenic system and ensuing compartmentalization of the formerly contiguous foreland into several intermontane basins. Overall, our data suggest that shortening and thickening processes led to the outward and vertical growth of the northern sectors of the Iranian Plateau starting from the middle Miocene. This implies that mantle-flow processes may have had a limited contribution toward building the Iranian Plateau in NW Iran.

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confidence: 61%

“…Our data suggest active regional volcanism between at least ~25 and 15 Ma (similarly to the Takab Range Complex, Heidari et al ., ) and the establishment of new volcanic centres in NW Iran by ~11 Ma (e.g. Richards et al ., ; Reichenbacher et al ., ).…”

Section: Resultsmentioning

confidence: 99%

Tectono‐sedimentary evolution of the northern Iranian Plateau: insights from middle–late Miocene foreland‐basin deposits

et al. 2016

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“…The species was later recognized by Coad () as Aphanius and named Aphanius persicus (Jenkins ). In 2011, it became clear that the fossil tooth‐carp Brachylebias persicus Priem 1908 from the Upper Miocene of north‐western Iran belongs to the genus Aphanius (Gaudant, ; Reichenbacher et al , ). As a result, the extant A .…”

Section: Introductionmentioning

confidence: 99%

“…The species was later recognized by Coad (1996) as Aphanius and named Aphanius persicus (Jenkins 1910). In 2011, it became clear that the fossil tooth-carp Brachylebias persicus Priem 1908 from the Upper Miocene of north-western Iran belongs to the genus Aphanius (Gaudant, 2011;Reichenbacher et al, 2011). As a result, the extant A. persicus (Jenkins, 1910) became a homonym of the fossil A. persicus, and A. farsicus was introduced as a replacement name (Teimori et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

Genetic connectivity and phenotypic plasticity in the cyprinodont Aphanius farsicus from the Maharlu Basin, south‐western Iran

Gholami

Esmaeili

Erpenbeck

et al. 2015

Journal of Fish Biology

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Meristic and morphometric characteristics, including otolith data, of the Farsi tooth-carp Aphanius farsicus, which is endemic to the endorheic Maharlu Basin in south-western Iran, were analysed for a sample of 92 individuals from four spring-streams; DNA sequence data (cytochrome b gene) are presented for 29 specimens. Some phenotypic variation was detected but the genetic data clearly indicate connectivity between the populations. Possible links between phenotypic variation and environmental variables such as water temperature, habitat size and absence or presence of predators and competitors are discussed. Based on a literature survey and the new data, it is concluded that population connectivity is maintained during times of droughts via large aquifers that formed during the late Pliocene to early Pleistocene, when the extant endorheic Maharlu Basin was created. Based on new data presented here and previous work, it is apparent that plastic and constant characteristics are present in Aphanius species, and that, if a population becomes isolated, a given trend of evolution may give rise to a taxonomically useful characteristic.

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“…As shown in the table, groundwater for the east part contains a significant concentration of dissolved salts that is commonly known as salty water (mainly NaCl; 3 to C5 %). According to Reichenbacher et al (2011), marine limestones and marls of the Lower Miocene Tethyan Qom Formation consist the east of Tabriz city and the islands of Urmia Lake, as they indicated that the presentday Tabriz Basin was once a part of Tethys until the Early Miocene. The regression of the Qom sea was followed by a period of continental sedimentation in NW and central Iran and Azerbaijan.…”

Section: Groundwater Geochemistrymentioning

confidence: 99%

Relationships between geological formations and groundwater chemistry and their effects on the concrete lining of tunnels (case study: Tabriz metro line 2)

2016

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Mineralogical composition of geological formations has a great effect on the groundwater quality, as it may result in the generation of harmful chemicals in groundwater leading to deterioration of concrete lining of tunnels. The present study investigates the future problems of the corrosiveness of concrete due to groundwater chemistry along Tabriz metro line 2 (TML2) in Iran. Having a length of 22 km, this subway entirely passes in an underground route along a general W-E direction. According to the geological map of the area and field survey, east part of the tunnel is excavated within marlshale deposits with gypsum, and anhydrite and coal belonging to upper red formation and Baghmisheh formation. These formations have the greatest impact on deterioration of groundwater quality, as the values of EC, TDS, SO 4 -2 , and Cl -significantly increased in TML2 at the east part. In this regard, EC, Cl -, and SO 4 -2 increased roughly from 502 to 29,700 ls cm -1 , from 71 to 5753 ppm, and from 51 to 8309 ppm, respectively, while TDS increased to 26,200 ppm. Marls existing in the study area including yellow, green, and gray/black marls, have the potential of corrosion because of containing aggressive substances, such as sulfate, chloride, and a high percentage of organic matter. Thus, it can be concluded that the groundwater in the east part is highly aggressive, and deterioration of concrete lining of the tunnel is expected in the near future.

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Late Miocene stratigraphy, palaeoecology and palaeogeography of the Tabriz Basin (NW Iran, Eastern Paratethys)

Cited by 42 publications

References 33 publications

Tectono‐sedimentary evolution of the northern Iranian Plateau: insights from middle–late Miocene foreland‐basin deposits

Tectono‐sedimentary evolution of the northern Iranian Plateau: insights from middle–late Miocene foreland‐basin deposits

Genetic connectivity and phenotypic plasticity in the cyprinodont Aphanius farsicus from the Maharlu Basin, south‐western Iran

Relationships between geological formations and groundwater chemistry and their effects on the concrete lining of tunnels (case study: Tabriz metro line 2)

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