Ichnofabric analysis of the Tithonian shallow marine sediments (Bhadasar Formation) Jaisalmer Basin, India

Desai, Bhawanisingh G.; Saklani, Rajendra Dutt

doi:10.1007/s12040-014-0462-8

Cited by 12 publications

(9 citation statements)

References 34 publications

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“…It is a well established fact that trace fossils can be used in the interpretation of paleoenvironment of depositional basin (McIlroy 2004;Miller 2007;Rodriguez-Tovar 2010). In the Indian context, a number of ichnological studies have been carried out recently on various stratigraphic horizons ranging in age from Cambrian to Miocene primarily from peninsular India, to understand their depositional environments (Patel et al 2008Malarkodi et al 2009;Nagendra et al 2010;Saha et al 2010;Joseph et al 2012;Srivastava and Mankar 2012;Chakraborty et al 2013;Desai and Saklani 2014;Kulkarni and Borkar 2014;Pandey et al 2014;Patel 2014). But ichnological research of the Palaeogene succession of Indo-Myanmar ranges is very scanty.…”

Section: Introductionmentioning

confidence: 99%

Attribute of trace fossils of Laisong flysch sediments, Manipur, India

Khaidem¹,

Rajkumar²,

Ibotombi

2015

J Earth Syst Sci

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The depositional basin in which the Late Eocene-Early Oligocene Laisong flysch sediments Barail Group, Manipur region (Indo-Myanmar ranges) have been deposited is generally considered to be of deep marine environment. However, field observation indicates the presence of many shallow environment signature characteristics of marginal to sublittoral marine settings, in addition to the general occurrence of deep marine turbidites. To address this aspect, ichnological analyses of the Laisong Formation has been attempted for elucidating palaeoenvironmental setting prevalent during the deposition of these sediments. Presence of 36 ichnospecies belonging to 33 ichnogenera has so far been identified. The ichnospecies may be grouped into different ichnofacies such as Skolithos-Cruziana mixed ichnofacies, Cruziana ichnofacies, Skolithos ichnofacies, Zoophycos ichnofacies, Nereites ichnofacies and Teredolites ichnofacies which decrease in abundance in this order of sequence with Skolithos-Cruziana mixed ichnofacies being the most dominant. The above-mentioned ichnofacies are found associated with sedimentary structures such as large sole marks, parallel laminations, massive and structureless beds, rip-up clasts, etc., which are characteristics of submarine fan deposits below the storm wave base and current ripples, herringbone structures, hummocky cross stratifications, pot casts, rain prints, etc., that marked shallow marginal marine setting such as tidal flats, deltas and shoreface. With such observations it is very likely that the Laisong sediments were formed in a tectonically active basin with varied bathymetric ranges indicating alternate transgressive and regressive nature.

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Section: Introductionmentioning

confidence: 99%

Attribute of trace fossils of Laisong flysch sediments, Manipur, India

Khaidem¹,

Rajkumar²,

Ibotombi

2015

J Earth Syst Sci

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“…5B and 9C). These ichnotaxa have usu ally been re ported from en vi ron ments ranging from the lower shoreface to off shore (Desai and Saklani, 2014;Wilmsen and Niebuhr, 2014a;MacEachern and Bann, 2020). More over, Planolites beverleyensis ap pears also in a Thalassinoides infill (Fig.…”

Section: Ichnological Implications On Depositional Environmentmentioning

confidence: 99%

“…Re marks. -The bur row re sem bles Ancorichnus, which is char ac ter ized by a cen tral (in ner) meniscate fill ing and a struc tured, un du lat ing man tle or tube-shaped outer fill (see Heinberg, 1974;Dam, 1990;Keighley and Pickerill, 1994;Desai and Saklani, 2014). Ac cord ing to the cited au thors, the man tle is not con sid ered as a wall struc ture since it was formed by the lo co mo tive be hav ior of the bur row pro ducer.…”

Section: Description Of Trace Fossilsmentioning

confidence: 99%

“…Ancorichnus is re garded as a pascichnion (Fürsich et al, 2018) or a repichnion (Heinberg, 1974;Mángano and Buatois, 2016) or a repichnion/domichnion (Dam, 1990) pro duced by de posit-feeder worm-like an i mals, in sect lar vae or ar thro pods (Heinberg, 1974;Frey et al, 1984b;Patel et al, 2008). It charac ter izes the Cruziana ichnofacies (Baucon and Neto de Carvalho, 2008) and is typ i cal of the shal low-ma rine (lower shoreface) to off shore set ting (Frey and Howard, 1985;MacEachern et al, 1999;Desai and Saklani, 2014). It is known from the Ju ras sic to the pres ent (Heinberg, 1974;Mángano and Buatois, 2016).…”

Section: Description Of Trace Fossilsmentioning

confidence: 99%

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Trace fossils and depositional environments of the middle Turonian sandstones in the Upper Nysa Kłodzka Graben (Sudetes, Poland) revisited

Chrząstek¹,

Nowicka²

2021

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“…The distribution of hydrocarbon-bearing reservoir lithofacies has been identified based on this comparison study, where changes in the AI property have been identified. The study area is surrounded by multiple high gravity structures, many of which are oil and gas fields (Desai and Saklani 2014): Bakhri Tibba, Vikhran Nai, Manhera Tibba, and Ghotaru ( DGH 2007).…”

Section: Introductionmentioning

confidence: 99%

Capture the variation of acoustic impedance property in the Jaisalmer Formation due to structural deformation based on post-stack seismic inversion study: a case study from Jaisalmer sub-basin, India

Gupta

Sinha

Chahal

2022

J Petrol Explor Prod Technol

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The Rajasthan basin situates in the western part of India. The basin architecture comprises three significant sub-basins such as Barmer-Sanchor, Bikaner-Nagaur and Jaisalmer. Barmer-Sanchor and Bikaner-Nagaur sub-basins are intracratonic categories, whereas the Jaisalmer sub-basin comes under intracratonic nature. The current study was conducted in the Jaisalmer sub-basin. The study was conducted in two regions in the Jaisalmer sub-basin through a comparative quantitative interpretation study with the help of two vintages seismic surveys. Ghotaru and Bandha are two adjacent areas in the Jaisalmer sub-basin where Ghotaru has seen few hydrocarbon discoveries; however, no such discoveries are encountered in the Bandha area. The current study was concentrated on the Jaisalmer limestone formation in the Jurassic age. The sub-basin and its related study area have been structurally deformed due to various tectonic activities. Structural deformation was played a crucial role in changing the rock property of limestone facies. A post-stack seismic inversion was carried out to capture the rock property changes in the limestone reservoir based on P-impedance values. Development of high P-impedance was observed in the Ghotaru region compared to the Bandha region from this study. A frequency changes of the limestone lithofacies with structural components was also captured in this study. The high impedance limestone lithofacies is a probable hydrocarbon-bearing reservoir unit in the Jaisalmer Formation of the Ghotaru region.

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Ichnofabric analysis of the Tithonian shallow marine sediments (Bhadasar Formation) Jaisalmer Basin, India

Cited by 12 publications

References 34 publications

Attribute of trace fossils of Laisong flysch sediments, Manipur, India

Attribute of trace fossils of Laisong flysch sediments, Manipur, India

Trace fossils and depositional environments of the middle Turonian sandstones in the Upper Nysa Kłodzka Graben (Sudetes, Poland) revisited

Capture the variation of acoustic impedance property in the Jaisalmer Formation due to structural deformation based on post-stack seismic inversion study: a case study from Jaisalmer sub-basin, India

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