Remote sensing applications in the Fars Region of the Zagros Mountains of Iran

Ginés, Jorge; Edwards, R.C.; Lohr, Tina; Larkin, Hayley; Holley, Rachel

doi:10.1144/sp490-2018-147

Cited by 7 publications

(1 citation statement)

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“…At the scale of single folds or groups of folds in the Central Fars domain, those analyzed by Motamedi et al (2012) and Najafi et al (2014) can be used to illustrate the influence of intermediate detachments, such as the Upper Triassic Dashtak evaporites, on the fold style (Ginés et al, 2020). Thus, the Bavush anticline, located in southern Central Frontal Fars, shows remarkable along-strike changes in its geometry in map view which are related to thickness variations of the Dashtak evaporites (Motamedi et al, 2012) (Fig.…”

Section: Central Farsmentioning

confidence: 99%

Structural Style and Timing of Nw‐se Trending Zagros Folds in Sw Iran: Interaction With North‐south Trending Arabian Folds and Implications for Petroleum Geology

Vergés,

Casini,

Ruh

et al. 2023

Journal of Petroleum Geology

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The Zagros foldbelt – foreland system in SW Iran is a prolific hydrocarbon province with known reserves of more than 90 billion brl of oil and 800 TCF of natural gas. Establishing the structural style of folding in the Zagros area presents a major challenge due both to the geographical extent of the foldbelt, which is some 1600 km long in total, and the presence of marked lateral variations in fold style related to the complex regional tectonic history. In addition, while numerous high‐quality structural studies of the Zagros have been completed over the last 20 years, they support a variety of different interpretations and are therefore $$difficult to synthesize. In this paper, we review the general structural style of the Zagros fold‐and‐thrust belt in SW Iran, and in particular the style of folding in the Lurestan arc, Dezful embayment, Izeh Zone and Fars arc. We summarise relationships between folding in these areas and fracture development, and investigate the timing of folding and the interaction between NW‐SE oriented “Zagros” folds and north‐south oriented “Arabian” folds. Finally, we briefly assess the implications of fold style for petroleum systems in the Zagros area. Although no new data are presented in this paper, a series of unpublished maps are used to illustrate the main results and include: a map showing the extent of the main detachment levels across the Lurestan, Dezful and Fars structural domains; two palaeotectonic maps (for Late Cretaceous – Paleocene and Miocene – Pliocene times, respectively), showing the position of the deformation fronts of the Zagros and the North Oman thrust systems and their potential spatial and temporal relationship with folding; and a set of four maps showing the distribution of reservoir rocks which are grouped by age into the Permian – Triassic Dehram Group, the Late Jurassic – Early Cretaceous Khami Group, the Late Cretaceous Bangestan Group, and the Oligocene – Miocene Asmari Formation. In addition, for the Lurestan, Dezful and Fars structural domains, a series of regional cross‐sections at the same scale are presented and discussed.Most of the data in this review paper were acquired in order to gain an improved understanding of the petroleum systems in the Zagros area; however the data are used here to investigate a range of interacting processes including tectonics, sediment deposition and subsurface fluid flow in the development of the fold‐and‐thrust belt and its associated foreland basins. The resulting synthesis is intended to provice a starting point for future tectonostratigraphic and hydrocarbon‐related studies which will make use of both existing and new multidisciplinary techniques to constrain the results. The knowledge acquired and the techniques used will be of benefit in future challenges including the identification of subsurface reservoirs suitable for the permanent storage of CO2 to mitigate the effects of climate change.

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Section: Central Farsmentioning

confidence: 99%

Structural Style and Timing of Nw‐se Trending Zagros Folds in Sw Iran: Interaction With North‐south Trending Arabian Folds and Implications for Petroleum Geology

Vergés,

Casini,

Ruh

et al. 2023

Journal of Petroleum Geology

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The geologic configuration of the Zagros Fold and Thrust Belt: an overview

Sembroni,

Reitano,

Faccenna

et al. 2024

Med. Geosc. Rev.

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The Zagros Fold and Thrust Belt (ZFTB) is an outstanding orogen running from eastern Turkey to the Makran area. It is formed as a consequence of the convergence between the Arabian and the Eurasian plates that occurred in the Neogene. This still active and long-lasting process generated a topographic configuration dominated by a series of parallel folding structures which, at places, isolate internal basins. The topographic configuration has, in turn, profoundly influenced the river network evolution, which follows a trellis pattern with the main valleys developed in the synclines and rivers that occasionally cut into anticlines. The peculiar climate, characterised by arid and semi-arid conditions, makes most of the rivers ephemeral, alimented only by short rainfall events. For this reason, the sediments are transported over short distances and deposited in huge alluvial fans. Although the Zagros is one of the most studied belts in the world, its tectonic evolution is far from being fully understood. Debated, for example, are the beginning of collision, the primary deformation mechanism, the evolution of the drainage system, the formation process of the alluvial fans, and the interrelations between landscape, tectonics, and climate. This paper, focusing on the geodynamic, geological, stratigraphic, and topographic configuration of the Zagros belt, is intended to be a compendium of the most up-to-date knowledge on the Zagros and aims to provide the cognitive basis for future research that can find answers to outstanding questions.

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Analyzing drainage basin orientation and its relationship to active fold growth (Handun anticline, Zagros, Iran)

Bahrami

Stokes

2023

Geomorphology

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Remote sensing applications in the Fars Region of the Zagros Mountains of Iran

Cited by 7 publications

References 50 publications

Structural Style and Timing of Nw‐se Trending Zagros Folds in Sw Iran: Interaction With North‐south Trending Arabian Folds and Implications for Petroleum Geology

Structural Style and Timing of Nw‐se Trending Zagros Folds in Sw Iran: Interaction With North‐south Trending Arabian Folds and Implications for Petroleum Geology

The geologic configuration of the Zagros Fold and Thrust Belt: an overview

Analyzing drainage basin orientation and its relationship to active fold growth (Handun anticline, Zagros, Iran)

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