Deformation history and hydrocarbon potential of the Southwestern Gissar Range (Southern Uzbekistan)

Тевелев, А. В.; Georgievskii, B. V.

doi:10.3103/s0145875212060075

Cited by 5 publications

(4 citation statements)

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“…Another model for the Mesozoic Tajik Basin is a back‐arc basin (Chatelain et al, ; Tapponnier et al, ; Tevelev & Georgievskii, ; Zonenshain, ). During the late Paleozoic, north‐directed subduction of Paleo‐Tethyan oceanic lithosphere occurred along the southern margin of the Tajik–Tarim continent to construct the Kunlun arc (Boulin, ; Tapponnier et al, ).…”

Section: Geologic Settingmentioning

confidence: 99%

“…During the late Paleozoic, north‐directed subduction of Paleo‐Tethyan oceanic lithosphere occurred along the southern margin of the Tajik–Tarim continent to construct the Kunlun arc (Boulin, ; Tapponnier et al, ). Triassic extension of the Turan platform and Tajik Basin has been associated with slab rollback or steepening in this subduction system (Brookfield & Hashmat, ) and some authors have suggested that extension in the Tajik Basin may have continued into the Cretaceous (Tevelev & Georgievskii, ). The back‐arc basin model is based largely on regional comparisons to the Black Sea and South Caspian Sea that are underlain by oceanic crust (Zonenshain & Le Pichon, ).…”

Section: Geologic Settingmentioning

confidence: 99%

“…Nikolaev, ). Basin models previously proposed for these strata include: a cratonic basin, passive margin, back‐arc basin, peripheral foreland basin and retroarc foreland basin (Bratash, Egupov, Pechnikov, & Shelomentsev, ; Burtman, ; Burtman & Molnar, ; Carrapa et al, ; Chatelain, Roecker, Hatzfeld, & Molnar, ; Hamburger et al, ; Leith, ; Nikolaev, ; Sengor, ; Tapponnier, Mattauer, Proust, & Cassaigneau, ; Tevelev & Georgievskii, ; Ulmishek, ; Varentsov et al, ; Zonenshain, ). The wide variety of interpretations for a single basin suggests the possibility that the basin evolved in response to multiple tectonic mechanisms.…”

Section: Introductionmentioning

confidence: 99%

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The Tajik Basin: A composite record of sedimentary basin evolution in response to tectonics in the Pamir

et al. 2019

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Investigation of a >6-km-thick succession of Cretaceous to Cenozoic sedimentary rocks in the Tajik Basin reveals that this depocentre consists of three stacked basin systems that are interpreted to reflect different mechanisms of subsidence associated with tectonics in the Pamir Mountains: a Lower to mid-Cretaceous succession, an Upper Cretaceous-Lower Eocene succession and an Eocene-Neogene succession. The Lower to mid-Cretaceous succession consists of fluvial deposits that were primarily derived from the Triassic Karakul-Mazar subduction-accretion complex in the northern Pamir. This succession is characterized by a convex-up (accelerating) subsidence curve, thickens towards the Pamir and is interpreted as a retroarc foreland basin system associated with northward subduction of Tethyan oceanic lithosphere. The Upper Cretaceous to early Eocene succession consists of fine-grained, marginal marine and sabkha deposits. The succession is characterized by a concave-up subsidence curve. Regionally extensive limestone beds in the succession are consistent with late stage thermal relaxation and relative sea-level rise following lithospheric extension, potentially in response to Tethyan slab rollback/foundering. The Upper Cretaceous-early Eocene succession is capped by a middle Eocene to early Oligocene (ca. 50-30 Ma) disconformity, which is interpreted to record the passage of a flexural forebulge. The disconformity is represented by a depositional hiatus, which is 10-30 Myr younger than estimates for the initiation of India-Asia collision and overlaps in age with the start of prograde metamorphism recorded in the Pamir gneiss domes. Overlying the disconformity, a >4-km-thick upper Eocene-Neogene succession displays a classic, coarsening upward unroofing sequence characterized by accelerating subsidence, which is interpreted as a retro-foreland basin associated with crustal thickening of the Pamir during India-Asia collision. Thus, the Tajik Basin provides an example of a long-lived composite basin in a retrowedge position that displays a sensitivity to plate margin processes. Subsidence, sediment accumulation and basin-forming mechanisms are influenced by subduction dynamics, including periods of slab-shallowing and retreat. K E Y W O R D S basin subsidence, foreland basins, geodynamics, stratigraphy, subduction-related basins, tectonics and sedimentation 526 | EAGE CHAPMAN et Al.

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Section: Geologic Settingmentioning

confidence: 99%

Section: Geologic Settingmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The Tajik Basin: A composite record of sedimentary basin evolution in response to tectonics in the Pamir

et al. 2019

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“…comm. 2011;Tevelev & Georgievskii 2012), but mainly from a stratigraphic point of view and often published in Russian journals or reports not easily available internationally. No detailed palaeoenvironmental analysis of these rocks exists, but in several review papers the evolution of these sedimentary basins has been briefly outlined, usually in context with their petroleum potential (e.g., Brookfield & Hashmat 2001;Ulmishek 2004;Klett et al 2006).…”

mentioning

confidence: 99%

Lower–Middle Jurassic facies patterns in the NW Afghan–Tajik Basin of southern Uzbekistan and their geodynamic context

Fürsich

Brunet

Auxiètre

et al. 2015

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Based on eleven sections, the palaeoenvironments and depositional history of the northwestern Afghan-Tajik Basin in southern Uzbekistan have been reconstructed for the time interval Early Jurassic to Early Callovian. The earliest sediments, resting on Palaeozoic basement rocks, date from the Early Jurassic Period. Up to the end of the Early Bajocian time up to more than 500 m of non-marine sediments accumulated due to extensional tectonics inducing active subsidence. In the Late Bajocian time interval, transgression led to the establishment of siliciclastic ramps that were influenced by storm processes. After a condensed unit in the Middle Bathonian, sedimentation resumed in an outer carbonate ramp basinal setting as the subsidence rate outpaced the diminished siliciclastic sediment supply. The change from siliciclastic to carbonate sedimentation in the Middle Jurassic Period is thought to be multifactorial, reflecting levelling of relief in the hinterland, the subsidence moving to a thermally more quiet stage, and a change from humid to arid climatic conditions. These features are also observed in the area of present-day Iran. Similarly, the timing of the transgression coincides with that in eastern and northern Iran stressing the regional significance of this event. After the collisions of the Cimmerian terranes with Eurasia in the Late Triassic (e.g., Stampfli

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Multidisciplinary study on the stratigraphy of the upper Cretaceous-Paleogene successions in the western Tajik Basin, Uzbekistan

Khozyem,

Adatte,

Brunet

et al. 2024

Journal of Asian Earth Sciences

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Deformation history and hydrocarbon potential of the Southwestern Gissar Range (Southern Uzbekistan)

Cited by 5 publications

References 5 publications

The Tajik Basin: A composite record of sedimentary basin evolution in response to tectonics in the Pamir

The Tajik Basin: A composite record of sedimentary basin evolution in response to tectonics in the Pamir

Lower–Middle Jurassic facies patterns in the NW Afghan–Tajik Basin of southern Uzbekistan and their geodynamic context

Multidisciplinary study on the stratigraphy of the upper Cretaceous-Paleogene successions in the western Tajik Basin, Uzbekistan

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