Carnian (Triassic) aridization on the Levant margin: evidence from the M1 member, Mohilla Formation, Makhtesh Ramon, south Israel

Bialik, Or M.; Korngreen, Dorit; Benjamini, Chaim

doi:10.1007/s10347-012-0321-5

Cited by 13 publications

(7 citation statements)

References 71 publications

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“…Anatolian terrane (Turkey): Lukeneder et al (2012). Levant margin (Israel): Bialik et al (2013). Tamba-Mino-Ashio Belt (Japan): Nakada et al (2014).…”

Section: Geological Settingmentioning

confidence: 99%

Carbon isotope records reveal synchronicity between carbon cycle perturbation and the “Carnian Pluvial Event” in the Tethys realm (Late Triassic)

Corso

Gianolla

Newton

et al. 2015

Global and Planetary Change

113

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In the early Late Triassic a period of increased rainfall, named the Carnian Pluvial Event (CPE), is evidenced by major lithological changes in continental and marine successions worldwide. The environmental change seems to be closely associated with a negative carbon isotope excursion that was identified in a stratigraphic succession of the Dolomites (Italy) but the temporal relationship between these phenomena is still not well defined. Here we present organic-carbon isotope data from Carnian deep-water stratigraphic sections in Austria and Hungary, and carbonate petrography of samples from a marginal marine section in Italy. A negative 2-4‰ δ13C shift is recorded by bulk organic matter in the studied sections and is coincident with a similar feature highlighted in higher plant and marine algal biomarker carbon-isotope records from the Dolomites (Italy), thus testifying to a global change in the isotopic composition of the reservoirs of the exchangeable carbon. Our new observations verify that sedimentological changes related to the CPE coincide with the carbon cycle perturbation and therefore occurred synchronously within the western Tethys. Consistent with modern observations, our results show that the injection of 13C-depleted CO2 into the Carnian atmosphere-ocean system may have been directly responsible for the increase in rainfall by intensifying the Pangaean mega-monsoon activity. The consequent increased continental weathering and erosion led to the transfer of large amounts of siliciclastics into the basins that were rapidly filled up, while the increased nutrient flux triggered the local development of anoxia. The new carbonate petrography data show that these changes also coincided with the demise of platform microbial carbonate factories and their replacement with metazoan driven carbonate deposition. This had the effect of considerably decreasing carbonate deposition in shallow water environments. © 2014 Elsevier B.V

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“…Anatolian terrane (Turkey): Lukeneder et al (2012). Levant margin (Israel): Bialik et al (2013). Tamba-Mino-Ashio Belt (Japan): Nakada et al (2014).…”

Section: Geological Settingmentioning

confidence: 99%

Carbon isotope records reveal synchronicity between carbon cycle perturbation and the “Carnian Pluvial Event” in the Tethys realm (Late Triassic)

Corso

Gianolla

Newton

et al. 2015

Global and Planetary Change

113

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“…Firstly, this was the first location where a significant negative δ 13 C excursion was recorded (Druckman, Hirsch & Weissbrod, 1982; Magaritz & Druckman, 1984) and related to the Carnian episode (Simms & Ruffell, 1989). Subsequently Bialik, Korngreen & Benjamini (2013) have related the Triassic stratigraphy of the Makhtesh region of Israel to the Carnian humid interval on the basis both of this isotope excursion and the changing facies patterns of carbonates and evaporites. The second reason that the Israeli successions are important is that palaeogeographic reconstructions suggest the area would have been on the margins of Pangaea, with the Tethys Ocean to the east.…”

Section: Israelmentioning

confidence: 99%

The Carnian Humid Episode of the late Triassic: a review

Ruffell¹,

2015

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--From 1989 to 1994 a series of papers outlined evidence for a brief episode of climate change from arid to humid, and then back to arid, during the Carnian Stage of the late Triassic. This time of climate change was compared to marine and terrestrial biotic changes, mainly extinction and then radiation of flora and fauna. Subsequently termed, albeit incorrectly, the Carnian Pluvial Event (CPE) by successive authors, interest in this episode of climatic change has increased steadily, with new evidence being published as well as several challenges to the theory. The exact nature of this humid episode, whether reflecting widespread precipitation or more local effects, as well as its ultimate cause remains equivocal. Bed--by--bed sampling of

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“…Nowadays most authors favor a global climatic change because of the time-correlative evidence for a global warming, change in seawater salinity and evidence in deep-water sediments for this siliciclastic period from a wide range of locations in the Tethys (e.g., Hochuli and Frank, 2000;Roghi, 2004;Hornung and Brandner, 2005;Hornung et al, 2007a, b;Rigo et al, 2007;Preto et al, 2010;Roghi et al, 2010;Bialik et al, 2013;Dal Corso et al, 2015a). However, recently Lukeneder et al (2012) reported a delay in marine carbonate productivity breakdown on the equatorial Cimmerian terranes in Turkey compared to that in the northwestern Tethys.…”

Section: Introductionmentioning

confidence: 98%

Climate variability during the Carnian Pluvial Phase — A quantitative palynological study of the Carnian sedimentary succession at Lunz am See, Northern Calcareous Alps, Austria

Mueller

Krystyn

Kürschner

2016

Palaeogeography, Palaeoclimatology, Palaeoecology

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Carnian (Triassic) aridization on the Levant margin: evidence from the M1 member, Mohilla Formation, Makhtesh Ramon, south Israel

Cited by 13 publications

References 71 publications

Carbon isotope records reveal synchronicity between carbon cycle perturbation and the “Carnian Pluvial Event” in the Tethys realm (Late Triassic)

Carbon isotope records reveal synchronicity between carbon cycle perturbation and the “Carnian Pluvial Event” in the Tethys realm (Late Triassic)

The Carnian Humid Episode of the late Triassic: a review

Climate variability during the Carnian Pluvial Phase — A quantitative palynological study of the Carnian sedimentary succession at Lunz am See, Northern Calcareous Alps, Austria

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