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![First thumbnail for: 87 Sr/ 86 Sr stratigraphy from the Early Tria...]()
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![First thumbnail for: Petrography and Geochemistry of the Triassic Elika...]()
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![Location of Zal, Iran, section (38°43′47″N, 45°36′13″E, 1600 m), modified from Horacek et al. (2007).]()
![δ13C profile for Zal, Iran (from Horacek et al., 2007) and 87Sr/86Sr data for the same sample suite. Igneous sills are present in Induan-age rocks, and their thicknesses have been subtracted from the total thickness of the Griesbachian (Gries.) and Dienerian. Samples associated with igneous sills (triangles) are considered altered and have been disregarded in further analysis. VPDB—Vienna Peedee belemnite.]()
![A: Strontium isotope profile for Zal, Iran. High-density intervals of data set were fitted with LOWESS (locally weighted scatterplot smoothing; running average) curves (black; standard deviation range is in gray); low-density intervals were fitted with spline curves (dashed line). B: Rates of change in riverine Sr fluxes (FRIV, left axis; gray curves) or riverine 87Sr/86Sr ratios (right axis; black curves) needed to account for observed secular variation in 87Sr/86Sr ratios at Zal. C: Estimated sea-surface temperatures (from Sun et al., 2012). Note the late Smithian thermal maximum (LSTM). Chang.—Changhsingian; Gries.—Griesbachian; Diener.—Dienerian; Sm.—Smithian. Time scale is modified from Algeo et al. (2013) (for details, see the Data Repository [see footnote 1]).]()
![Correlation of the Smith Creek organic carbon isotope record with Tethyan inorganic carbon isotopic records from Zal, Iran (Horacek et al., 2007b) and northwest (NW) Guangxi, China (Galfetti et al., 2007b). Comparison is made by stretching each substage record to match upper and lower boundaries of the time-calibrated NW Guangxi section. Dien.—Dienerian.]()
![Comparison of key Early Triassic carbonate carbon isotope (δ13Ccarb) records: Chaohu, South China (this work); Great Bank of Guizhou (GBG), South China (Payne et al., 2004); L’Uomo, Italy (Horacek et al., 2007a); Zal, Iran (Horacek et al., 2007b); and Hot Springs, Idaho, USA (Caravaca et al., 2017). The original profiles have been rescaled against the time scale of Wei et al. (2015). N1–N4 and P1–P3 labels represent negative and positive global δ13Ccarb excursions identified by Song et al. (2013, 2014b). LP—Late Permian.]()
![A: Paleogeography of world at the Permian-Triassic (P-T) boundary (PTB) and location of sections used in this study. Eq—equator. Base map courtesy of Ron Blakey (http://jan.ucc.nau.edu/∼rcb7/). B: Estimated water-depth range at PTB of study sections; water depth information is from Shen et al. (2015) and Xiao et al. (2017). Note that section 10 is divided into two parts: the lower part corresponding to shallow inner shelf, the remainder to deeper shelf. Studied sections: 1—Jesmond (UK); 2—Zal (Iran); 3—Demirtas (Turkey); 4—Cili (China); 5—Lung Cam (Vietnam); 6—Nhi Tao (Vietnam); 7—Sovetashen (Armenia); 8—Balvany (Hungary); 9—Kurdistan (Iraq); 10—Zuodeng (China); 11—Selong (Tibet); 12—Kamura (Japan); 13—Yangou (China); 14—Spiti (India); 15—Meishan (China); 16—Tulong (Tibet); 17—Ursula Creek (Canada); 18—Guryul Ravine (India); 19—Daxiakou (China); 20—Shangsi (China); 21—South Majiashan (China); 22—West Pingdingshan (China).]()
![Dagmarita ghorbanii n. sp. from Zal (NW Iran) and Abadeh (Central Iran) stratigraphic sections: (1) holotype, oblique longitudinal lateral section, sample MRAN 10355; (2) oblique longitudinal lateral section, sample MRAN 10319; (3) oblique transversal section, sample MRAN 10230; (4) oblique longitudinal lateral section, sample MRAN 10367; (5) longitudinal lateral section, sample MRAN 10183; (6) oblique longitudinal lateral section, sample MRAN 10230; (7) oblique longitudinal lateral section, sample MRAN 10230; (8) longitudinal lateral section, sample MRAN 10355; (9) oblique longitudinal lateral section, sample MRAN 10349; (10) oblique longitudinal section, sample MRAN 10230; (11) oblique longitudinal section, sample HB 148; (12) oblique longitudinal frontal section, sample MRAN 10367; (13) oblique longitudinal frontal section, sample HB 30; (14) oblique longitudinal frontal section, sample HB 148; (15) oblique longitudinal frontal section, sample HB 148. Scale bars = 100 µm.]()
![Dagmarita zalensis n. sp. from Zal (NW Iran) stratigraphic section: (1) holotype, oblique longitudinal frontal section, sample MRAN 10230; (2) longitudinal frontal section, sample MRAN 10183; (3) longitudinal frontal section, sample MRAN 10230; (4) oblique longitudinal frontal section, sample MRAN 10230; (5) oblique longitudinal frontal section, sample MRAN 10183; (6) longitudinal lateral section, sample MRAN 10183; (7) longitudinal lateral section, sample MRAN 10230; (8) oblique longitudinal lateral section, sample MRAN 10183; (9) longitudinal lateral section, sample MRAN 10183. Scale bars = 100 µm.]()
![First thumbnail for: The revised Permian genus Dagmarita Reitlinger, 19...]()
![Second thumbnail for: The revised Permian genus Dagmarita Reitlinger, 19...]()
![Third thumbnail for: The revised Permian genus Dagmarita Reitlinger, 19...]()
![General geological map of Iran showing its structural provinces. The position of the Zal section is indicated by a green star, and the Abadeh C-D section by a pink star. Modified from Nezafati (2006).]()
![First thumbnail for: A dolomitization event at the oceanic chemocline d...]()
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![Plot of inorganic carbon isotope records through the Early Triassic from the Neotethys Zal section (Iran; Horacek et al., 2007b) and Tethys Nanpanjiang section (south China; Sun et al., 2012), as well as the organic carbon Boreal records from Smith Creek (Arctic Canada; Grasby et al., 2013), and Festningen (Svalbard, Norway; Grasby et al. 2016a) showing similarity of global trends in carbon isotope from both inorganic and organic carbon pools. The trends in N isotope values from Smith Creek (Grasby et al. 2016b) and Festningen (this study) are largely decoupled from changes to the global carbon pool. Gries.—Griesbachian; Dien.—Dienerian.]()
![First thumbnail for: Recurrent Early Triassic ocean anoxia]()
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1-20 OF 43 RESULTS FOR
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Journal Article
87 Sr/ 86 Sr stratigraphy from the Early Triassic of Zal, Iran: Linking temperature to weathering rates and the tempo of ecosystem recovery Available to Purchase
Journal: Geology
Publisher: Geological Society of America
Published: 01 September 2014
Geology (2014) 42 (9): 779–782.
..., but linking weathering rates to temperature has proven difficult. One proxy for weathering is the 87 Sr/ 86 Sr of marine carbonate; we present here an 87 Sr/ 86 Sr record from an upper Permian–lower Triassic succession near Zal, Iran, that is coupled to a δ 13 C carbonate record. An increase in the rate of 87...
FIGURES
Journal Article
Petrography and Geochemistry of the Triassic Elika Formation Dolomites in Zal Section, Jolfa, NW Iran Available to Purchase
Publisher: Geological Society of India
Published: 01 November 2024
Jour. Geol. Soc. India (2024) 100 (11): 1615–1629.
... an IRMS Isoprime precision with the onboard centrION Continuous Flow Interface System at the Isotopes Research Laboratory of the Arak University, Arak, Iran. In the studied area, extensive outcrops of Permo-Triassic rocks cover the northern highlands of the Zal village, located south of Julfa...
FIGURES
Image
Location of Zal, Iran, section (38°43′47″N, 45°36′13″E, 1600 m), modified f... Available to Purchase
in 87 Sr/ 86 Sr stratigraphy from the Early Triassic of Zal, Iran: Linking temperature to weathering rates and the tempo of ecosystem recovery
> Geology
Published: 01 September 2014
Figure 1. Location of Zal, Iran, section (38°43′47″N, 45°36′13″E, 1600 m), modified from Horacek et al. (2007) .
Image
δ 13 C profile for Zal, Iran (from Horacek et al., 2007 ) and 87 Sr/ 86 S... Available to Purchase
in 87 Sr/ 86 Sr stratigraphy from the Early Triassic of Zal, Iran: Linking temperature to weathering rates and the tempo of ecosystem recovery
> Geology
Published: 01 September 2014
Figure 2. δ 13 C profile for Zal, Iran (from Horacek et al., 2007 ) and 87 Sr/ 86 Sr data for the same sample suite. Igneous sills are present in Induan-age rocks, and their thicknesses have been subtracted from the total thickness of the Griesbachian (Gries.) and Dienerian. Samples associated
Image
![A: Strontium isotope profile for Zal, Iran. High-density intervals of data set were fitted with LOWESS (locally weighted scatterplot smoothing; running average) curves (black; standard deviation range is in gray); low-density intervals were fitted with spline curves (dashed line). B: Rates of change in riverine Sr fluxes (FRIV, left axis; gray curves) or riverine 87Sr/86Sr ratios (right axis; black curves) needed to account for observed secular variation in 87Sr/86Sr ratios at Zal. C: Estimated sea-surface temperatures (from Sun et al., 2012). Note the late Smithian thermal maximum (LSTM). Chang.—Changhsingian; Gries.—Griesbachian; Diener.—Dienerian; Sm.—Smithian. Time scale is modified from Algeo et al. (2013) (for details, see the Data Repository [see footnote 1]).](https://gsw.silverchair-cdn.com/gsw/Content_public/Journal/geology/42/9/10.1130_G35545.1/3/s_779fig3.jpeg?Expires=2147483647&Signature=VS~jb-5viVQ0~jWdONWsylqxs6doayWa1hQit7X~QDqiYYt1Bcsrbz9Mq26qz~XZgQn9txqQm49R5KCpvtxv8jE1XkBmm8ihTREtInyA9GZ9bGwPnp7gPHBneFNlXHbmOg4P-fQaczZPix3cFUgbrtIspKs1GDZYPEDHpQih7~yPKjiL97zzbpHsf3GRrAF64kX0NvOX5s7VHVBwB65aZsTtvjJf7BPMRSZh2y3aEW8xTLm1bA6hxo2RIWbC8JRXXf6buIpUzfDGmu7DW9j~oIDn9HXNXbKRemMb9OuZuKF7N2b7k2UE5x5sgXTFeZ0mKjar0X496gllTSqk1LKjFw__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA)
A: Strontium isotope profile for Zal, Iran. High-density intervals of data ... Available to Purchase
in 87 Sr/ 86 Sr stratigraphy from the Early Triassic of Zal, Iran: Linking temperature to weathering rates and the tempo of ecosystem recovery
> Geology
Published: 01 September 2014
Figure 3. A: Strontium isotope profile for Zal, Iran. High-density intervals of data set were fitted with LOWESS (locally weighted scatterplot smoothing; running average) curves (black; standard deviation range is in gray); low-density intervals were fitted with spline curves (dashed line). B
Image
Correlation of the Smith Creek organic carbon isotope record with Tethyan i... Available to Purchase
Published: 01 February 2013
Figure 3. Correlation of the Smith Creek organic carbon isotope record with Tethyan inorganic carbon isotopic records from Zal, Iran ( Horacek et al., 2007b ) and northwest (NW) Guangxi, China ( Galfetti et al., 2007b ). Comparison is made by stretching each substage record to match upper
Image
Comparison of key Early Triassic carbonate carbon isotope (δ 13 C carb ) re... Available to Purchase
in Changes in productivity associated with algal-microbial shifts during the Early Triassic recovery of marine ecosystems
> GSA Bulletin
Published: 19 June 2020
Figure 6. Comparison of key Early Triassic carbonate carbon isotope (δ 13 C carb ) records: Chaohu, South China (this work); Great Bank of Guizhou (GBG), South China ( Payne et al., 2004 ); L’Uomo, Italy ( Horacek et al., 2007a ); Zal, Iran ( Horacek et al., 2007b ); and Hot Springs, Idaho, USA
Image
A: Paleogeography of world at the Permian-Triassic (P-T) boundary (PTB) and... Open Access
in A dolomitization event at the oceanic chemocline during the Permian-Triassic transition
> Geology
Published: 23 October 2018
Shen et al. (2015) and Xiao et al. (2017) . Note that section 10 is divided into two parts: the lower part corresponding to shallow inner shelf, the remainder to deeper shelf. Studied sections: 1—Jesmond (UK); 2—Zal (Iran); 3—Demirtas (Turkey); 4—Cili (China); 5—Lung Cam (Vietnam); 6—Nhi Tao (Vietnam
Image
Dagmarita ghorbanii n. sp. from Zal (NW Iran) and Abadeh (Central Iran) st... Available to Purchase
in The revised Permian genus Dagmarita Reitlinger, 1965 (Dagmaritinae, Foraminifera) and its phylogenetic relationships
> Journal of Paleontology
Published: 01 March 2020
Figure 6. Dagmarita ghorbanii n. sp. from Zal (NW Iran) and Abadeh (Central Iran) stratigraphic sections: ( 1 ) holotype, oblique longitudinal lateral section, sample MRAN 10355; ( 2 ) oblique longitudinal lateral section, sample MRAN 10319; ( 3 ) oblique transversal section, sample MRAN 10230
Image
Dagmarita zalensis n. sp. from Zal (NW Iran) stratigraphic section: ( 1 ) ... Available to Purchase
in The revised Permian genus Dagmarita Reitlinger, 1965 (Dagmaritinae, Foraminifera) and its phylogenetic relationships
> Journal of Paleontology
Published: 01 March 2020
Figure 8. Dagmarita zalensis n. sp. from Zal (NW Iran) stratigraphic section: ( 1 ) holotype, oblique longitudinal frontal section, sample MRAN 10230; ( 2 ) longitudinal frontal section, sample MRAN 10183; ( 3 ) longitudinal frontal section, sample MRAN 10230; ( 4 ) oblique longitudinal frontal
Journal Article
The revised Permian genus Dagmarita Reitlinger, 1965 (Dagmaritinae, Foraminifera) and its phylogenetic relationships Available to Purchase
Journal: Journal of Paleontology
Publisher: Paleontological Society
Published: 01 March 2020
Journal of Paleontology (2020) 94 (2): 202–216.
...Figure 6. Dagmarita ghorbanii n. sp. from Zal (NW Iran) and Abadeh (Central Iran) stratigraphic sections: ( 1 ) holotype, oblique longitudinal lateral section, sample MRAN 10355; ( 2 ) oblique longitudinal lateral section, sample MRAN 10319; ( 3 ) oblique transversal section, sample MRAN 10230...
FIGURES
Image
General geological map of Iran showing its structural provinces. The positi... Available to Purchase
in The revised Permian genus Dagmarita Reitlinger, 1965 (Dagmaritinae, Foraminifera) and its phylogenetic relationships
> Journal of Paleontology
Published: 01 March 2020
Figure 2. General geological map of Iran showing its structural provinces. The position of the Zal section is indicated by a green star, and the Abadeh C-D section by a pink star. Modified from Nezafati ( 2006 ).
Journal Article
A dolomitization event at the oceanic chemocline during the Permian-Triassic transition Open Access
Journal: Geology
Publisher: Geological Society of America
Published: 23 October 2018
Geology (2018) 46 (12): 1043–1046.
... Shen et al. (2015) and Xiao et al. (2017) . Note that section 10 is divided into two parts: the lower part corresponding to shallow inner shelf, the remainder to deeper shelf. Studied sections: 1—Jesmond (UK); 2—Zal (Iran); 3—Demirtas (Turkey); 4—Cili (China); 5—Lung Cam (Vietnam); 6—Nhi Tao (Vietnam...
FIGURES
Image
Plot of inorganic carbon isotope records through the Early Triassic from th... Available to Purchase
Published: 30 August 2019
Figure 7. Plot of inorganic carbon isotope records through the Early Triassic from the Neotethys Zal section (Iran; Horacek et al., 2007b ) and Tethys Nanpanjiang section (south China; Sun et al., 2012 ), as well as the organic carbon Boreal records from Smith Creek (Arctic Canada; Grasby et
Journal Article
Siberian Trap volcanism, global warming and the Permian Triassic mass extinction: New insights from Armenian Permian-Triassic sections: Reply Open Access
Journal: GSA Bulletin
Publisher: Geological Society of America
Published: 23 July 2021
GSA Bulletin (2022) 134 (3-4): 1087–1088.
.... 81 – 115 . Kozur , H.W. , 2004 , Pelagic uppermost Permian and the Permian–Triassic boundary conodonts of Iran, part I: taxonomy : Hallesches Jahrbuch für Geowissenschaften B , v. 18 , Beiheft, p. 39 – 68 . Kozur , H.W. , 2005 , Pelagic uppermost Permian and the Permian...
Journal Article
Recurrent Early Triassic ocean anoxia Available to Purchase
Journal: Geology
Publisher: Geological Society of America
Published: 01 February 2013
Geology (2013) 41 (2): 175–178.
...Figure 3. Correlation of the Smith Creek organic carbon isotope record with Tethyan inorganic carbon isotopic records from Zal, Iran ( Horacek et al., 2007b ) and northwest (NW) Guangxi, China ( Galfetti et al., 2007b ). Comparison is made by stretching each substage record to match upper...
FIGURES
Journal Article
Late Permian (Changhsingian) conodont biozonation and the basal boundary, Ganxi section, western Hubei Province, south China Available to Purchase
Journal: Canadian Journal of Earth Sciences
Publisher: Canadian Science Publishing
Published: 07 March 2006
Canadian Journal of Earth Sciences (2006) 43 (2): 121–133.
... Series) . Permophiles , 43 : 8 – 23 . Korte C. Kozur H.W. Partoazar H. 2004a . Negative carbon isotope excursion at the Permian/Triassic boundary section at Zal, NW Iran . Hallesches Jahrbuch Geowiss, Reihe B, Beiheft , 18 : 69 – 71 . Korte C. Kozur H. W. Aghai...
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Journal Article
Oil and Gas Developments in Middle East in 1989 Available to Purchase
Journal: AAPG Bulletin
Publisher: American Association of Petroleum Geologists
Published: 01 October 1990
AAPG Bulletin (1990) 74 (10B): 283–299.
...Darwin O. Hemer; C. B. Phillips ABSTRACT Petroleum production in Middle East countries during 1989 totaled an estimated 5,729,167,000 bbl (an average rate of 15,696,348 b/d), up 7.1% from the revised 1988 total of 5,348,633,000 bbl. Substantial increases in production were made in Iran, the Kuwait...
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Journal Article
New foraminifera from the Changhsingian (Upper Permian) of the Taurides (southern Turkey) with remarks on their evolutionary origins Open Access
Journal: Journal of Paleontology
Publisher: Paleontological Society
Published: 01 September 2024
Journal of Paleontology (2024) 98 (5): 745–772.
..., discoidal tests, and involute to evolute coiling. The tangential section identified as Robuloides sp. from the Changhsingian of the Zal section of the Julfa area (northwestern Iran) by Mohtat-Aghai et al. ( 2009 , pl. 2, fig. 28) also should be referred to P . reicheli n. sp. in having a discoidal...
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Journal Article
Seal turns into reservoir: Sudair equivalents in outcrops, Al Jabal al-Akhdar, Sultanate of Oman Open Access
Journal: GeoArabia
Publisher: Gulf Petrolink
Published: 01 January 2011
GeoArabia (2011) 16 (1): 69–108.
... in section Zal (Iran) ( Figure 33 ). The two negative excursions in the uppermost part of the Lower Mahil may hint to similar negative shifts in Italy. But negative excursions are more suspicious, as meteoric diagenesis may produce similar effects. The Induan/Olenekian (Dienerian/Smithian) boundary is marked...
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