Seismic imaging of sub-circular salt-related structures: evidence for passive diapirism in the Straits of Hormuz, Persian Gulf

Alsouki, Mohammad; Riahi, Mohammad Ali; Yassaghi, Ali

doi:10.1144/1354-079309-799

Cited by 12 publications

(5 citation statements)

References 25 publications

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“…The top of TMS AP11a is marked by the major angular unconformity of assumed early Miocene age identified in the easternmost parts of the Persian Gulf near Qeshm Island and in the Baddar Abbas area (Ricateau and Riche, 1980;Alsouki et al, 2011;. This unconformity has not been dated definitively but, as noted above, it is no younger than Burdigalian as demonstrated by faunas from the Guri Member of the Mishan Formation which lies above it.…”

Section: Tectono-megasequence Ap11amentioning

confidence: 92%

“…(v) A major angular unconformity is observed in the offshore southern Persian Gulf and Musandam (Ricateau and Riche, 1980;Searle, 1988a, b;Alsouki et al, 2011;Searle et al, 2014;Orang et al, 2018; overlain by the Guri Member of the Mishan Formation which forms a regional marine marker. This unconformity facilitates subdivision of Sharland et al's AP11 into two TMSs, herein defined as AP11a and AP11b.…”

Section: Sequence Stratigraphic Schemementioning

confidence: 99%

“…The overlying TMS AP11 is subdivided into AP11a and AP11b on the basis of a prominent angular unconformity observed on seismic in the vicinity of Qeshm Island and adjacent areas (Fig. 13; Ricateau and Riche, 1980;Searle, 1988a, b;Alsouki et al, 2011;Searle et al, 2014;. At Kuh-e Khush, the AP11a-11b boundary is marked by siliciclastic and pisolitic facies (Figs 12-A1a and 12-A1b).…”

Section: Swmentioning

confidence: 99%

“…TMS AP11b (Table 3, page 290) includes the main period of mountain building in the Iranian Zagros due to the ongoing collision between the Arabian and Eurasian Plates. The base of TMS AP11b is the major angular unconformity identified in the eastern Persian Gulf (Alsouki et al, 2011;) (Fig. 13) and offshore Musandam (Ricateau and Riche, 1980).…”

Section: Tectono-megasequence Ap11bmentioning

confidence: 99%

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Petroleum Geology of the Cenozoic Succession in the Zagros of Sw Iran: A Sequence Stratigraphic Approach

Piryaei,

Davies

2024

Journal of Petroleum Geology

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The Cenozoic stratigraphy of the Zagros records the ongoing collision between the Arabian and Eurasian Plates and the closure of NeoTethys. A Paleogene NW‐SE trending foreland basin was inherited from a Late Cretaceous precursor. Widespread progradation into the foredeep was a feature of both margins which, allied to ongoing tectonism, had by the late Eocene led to the narrowing and subsequent division of the foredeep into the Lurestan – Khuzestan and Lengeh Troughs, separated by the northward continuation of the rejuvenated Qatar‐Fars Arch. This sub‐division strongly influenced subsequent deposition and the petroleum geology of the area. In addition, the diachronous nature of the Arabian – Eurasian collision led to strong diachroneity in lithostratigraphic units along the length of the Zagros. Hence its petroleum geology is best understood within a regional sequence stratigraphic framework. This study identifies three tectono‐megasequences (TMS 10, TMS 11a, TMS 11b) and multiple depositional sequences.The Cenozoic contains a world class hydrocarbon province with prolific oil reservoirs in the Oligo‐Miocene Asmari Formation sealed by the evaporite‐dominated Gachsaran Formation, mostly contained within giant NW‐SE trending “whaleback” anticlines concentrated in the Dezful Embayment. Reservoirs in the SW are dominantly siliciclastic or comprise mixed siliciclastics and carbonates, whereas those to the east and NE are dominated by fractured carbonates. There remains untested potential in stratigraphic traps, especially in deeperwater sandstone reservoirs deposited along the SW margin of the foredeep.Late Miocene to Pliocene charge to the Asmari reservoirs was mostly from Aptian – Albian Kazhdumi Formation source rocks. In some fields, an additional component was from organic‐rich late Eocene to earliest Oligocene Pabdeh Formation source rocks confined to the narrowing Lurestan – Khuzestan Trough. Where mature, the latter source rock is also a potential unconventional reservoir target, although the prospective area is limited due to recent uplift and erosion. Deeper Jurassic source rocks contributed to the Cheshmeh Khush field in Dezful North. Silurian source rocks charged gas‐bearing structures in the Bandar Abbas region.

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Section: Tectono-megasequence Ap11amentioning

confidence: 92%

Section: Sequence Stratigraphic Schemementioning

confidence: 99%

Section: Swmentioning

confidence: 99%

Section: Tectono-megasequence Ap11bmentioning

confidence: 99%

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Petroleum Geology of the Cenozoic Succession in the Zagros of Sw Iran: A Sequence Stratigraphic Approach

Piryaei,

Davies

2024

Journal of Petroleum Geology

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“…The gen e sis of such forms has been dis cussed in nu mer ous stud ies. They have been as cribed to endogenic pro cesses such as vol cano-tec tonics, in tru sions, and salt tec ton ics, but also to exo gen ic processes such as karstification or the im pact of me te or ites (Goulty et al, 2001;Bertoni and Cart wright, 2005;Matton et al, 2005;French and Koeberl, 2010;Alsouki et al, 2011). Sev eral im pact struc tures that are known from Eu rope were formed un der differ ent con di tions, and their age var ies greatly, just like their state of pres er va tion and their sizes from rel a tively small to consid er able (Pohl et al, 1977;Stankowski, 2001;Stoffler et al, 2001;Surroja and Surroja, 2010;Juhlin et al, 2012;Uoecinowicz, 2014).…”

Section: Introductionmentioning

confidence: 99%

Identification of a circular structure in eastern Pomerania (northern Poland) – a hypothesis of its origin

Uścinowicz

2016

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The pos si ble ex is tence of a cir cu lar struc ture in the Kooecierzyna re gion (north ern Po land) was sug gested in two pa pers in the 1980s. The cur rent stud ies were aimed at ver i fy ing this hy poth e sis. Anal y sis of a dig i tal ter rain model of the pre-Qua ter nary sur face re lief as well as of the pres ent ter rain re vealed the ex is tence of a large struc ture of ca. 50 km in di am e ter. Its ge om etry was es tab lished based on a model of the Neo gene/Plio cene sur face and iden ti fi able lin ea ments. Its char ac ter is tic fea ture is the pres ence of rim-like forms, an in ter nal pla teau, and a "high" in the cen tre. The struc ture is es ti mated to date from be fore the Pleis to cene. The cir cu lar struc ture has been re shaped by gla cial ero sion and ac cu mu la tion, and is now bur ied un der Qua ter nary de pos its. The ex is tence of the Kooecierzyna cir cu lar struc ture was con firmed by con ducted stud ies, but my hypoth e sis of an im pact or i gin is still un cer tain and needs to be con firmed by fu ture re search.

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Anatomy and uplift history of the emergent salt domes of the United Arab Emirates

Ellison¹,

Thomas

Jacobs

et al. 2021

Arab J Geosci

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Seismic imaging of sub-circular salt-related structures: evidence for passive diapirism in the Straits of Hormuz, Persian Gulf

Cited by 12 publications

References 25 publications

Petroleum Geology of the Cenozoic Succession in the Zagros of Sw Iran: A Sequence Stratigraphic Approach

Petroleum Geology of the Cenozoic Succession in the Zagros of Sw Iran: A Sequence Stratigraphic Approach

Identification of a circular structure in eastern Pomerania (northern Poland) – a hypothesis of its origin

Anatomy and uplift history of the emergent salt domes of the United Arab Emirates

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