Palynofacies and Sporomorph EcoGroups-based paleoecology implications for the Dalichai Formation, Andariyeh, central Alborz

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Hashemi Yazdi Firoozeh; Bashiri Neda; Sajjadi Freshteh

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Journal: JOURNAL OF STRATIGRAPHY AND SEDIMENTOLOGY RESEARCHES Year:2020 | Volume:36 | Issue:1 (78) Page(s): 39-60

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Title

Palynofacies and Sporomorph EcoGroups-based paleoecology implications for the Dalichai Formation, Andariyeh, central Alborz

Author(s)

Hashemi Yazdi Firoozeh | Bashiri Neda | Sajjadi Freshteh | Issue Writer Certificate

Keywords

PalaeoecologyQ2

Dalichai FormationQ2

Sporomorph EcoGroups (SEGs)Q1

palynofaciesQ2

Andariyeh villageQ2

central Alborz MountainsQ2

Abstract

The Dalichai Formation at the Andariyeh stratigraphic section in the northeast of Andariyeh village, central Alborz Mountains, was studied by using analyses of the Sporomorph EcoGroups (SEGs) data and associated plant communities and palynofacies in order to determine its paleoecology conditions. The Sporomorph EcoGroups data from the Dalichai Formation's palynological assemblages, declination of miospores representing Upland/Lowland plant communities and proliferation of those characterizing Lowland/Coastal-Tidal plant associations interpreted to signify relatively low sea level and deposition in a marginal marine setting. Furthermore, the ratios of wetter/drier and warmer/cooler elements suggest deposition of the host strata under a moist, ± warm climate prevailing during the Middle Jurassic in central Alborz Mountains. The results of drawing diagrams of the palynofacies in the Andariyeh stratigraphic section, indicates that the Dalichai sediments accumulated in a dysoxic shallow marine environment with low sedimentation rate that corresponds well with its SEGs graphs.

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APA: Copy

Hashemi Yazdi, Firoozeh, Bashiri, Neda, & Sajjadi, Freshteh. (2020). Palynofacies and Sporomorph EcoGroups-based paleoecology implications for the Dalichai Formation, Andariyeh, central Alborz. JOURNAL OF STRATIGRAPHY AND SEDIMENTOLOGY RESEARCHES, 36(1 (78) ), 39-60. SID. https://sid.ir/paper/157083/en

Vancouver: Copy

Hashemi Yazdi Firoozeh, Bashiri Neda, Sajjadi Freshteh. Palynofacies and Sporomorph EcoGroups-based paleoecology implications for the Dalichai Formation, Andariyeh, central Alborz. JOURNAL OF STRATIGRAPHY AND SEDIMENTOLOGY RESEARCHES[Internet]. 2020;36(1 (78) ):39-60. Available from: https://sid.ir/paper/157083/en

IEEE: Copy

Firoozeh Hashemi Yazdi, Neda Bashiri, and Freshteh Sajjadi, “Palynofacies and Sporomorph EcoGroups-based paleoecology implications for the Dalichai Formation, Andariyeh, central Alborz,” JOURNAL OF STRATIGRAPHY AND SEDIMENTOLOGY RESEARCHES, vol. 36, no. 1 (78) , pp. 39–60, 2020, [Online]. Available: https://sid.ir/paper/157083/en

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