Plug Shaped Burrows <i>Conichnus</i> - <i>Conostichus</i> from the Late Cretaceous of Bagh Group, Gujarat, Western India

Patel, Satish J.; Shitole, Apurva D.; Joseph, Jaquilin K.

doi:10.1007/s12594-018-0818-9

Cited by 7 publications

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“…Given the current detailed investigation, the study suggests that the Bagh Group sedimentary rocks of WLNV ranging from unoriented oyster shells with faint growth lines (Figure 7c), and the presence of Thalassinoides and plug-shaped burrows at the sole of the oyster limestone bed suggests surface exhumation followed by storm events in offshore (SWWB) environment (Patel et al, 2018;Shitole et al, 2019). The overlying Nodular Limestone (Bose, 1884) shows a distinct nodular appearance in the LNV.…”

Section: Discussionmentioning

confidence: 86%

“…The (Chiplonkar & Badve, 1976;Dassarma & Sinha, 1975;Nayak, 2000a), gastropods (Gangopadhyay & Maiti, 2012), algae (Badve & Nayak, 1984;Kundal & Sanganwar, 1998a), foraminifera (Nayak, 1987;Rajshekhar, 1991), and trace fossils (Badve, 1987;Chiplonkar & Badve, 1972;Ghare & Badve, 1980;Kundal & Sanganwar, 1998b, 2000Nayak, 2000b;Patel, Shitole, & Joseph, 2018;Sanganwar & Kundal, 1997;Singh & Dayal, 1979) were reported from the different sections. Abundant specimens of Conichnus and Conostichnus burrows of sea anemones were observed in the uppermost part of the calcareous sandstone (Patel et al, 2018). Petrographically, it is composed of more than 70% fine-to coarse-grained angular quartz grains and subordinate polycrystalline quartz grains with plagioclase feldspar, microcline, chert, glauconite, and ooids (Figure 9b,c).…”

Section: Intent and Utilitymentioning

confidence: 99%

“…The rocks of this unit are calcareous in nature and contain marine fossils (Dassarma & Sinha, 1975;Murty et al, 1963;Poddar, 1964;Sastry & Mamgain, 1971;Tripathi, 2006). Marine evidence reported from the ELNV and WLNV were tidal signatures (Bhattacharya & Jha, 2014;Dassarma & Sinha, 1975;Sarkar, 1973), sedimentary structures (Bose & Das, 1986), microfossils (Jafar, 1982;Nayak, 1987;Rajshekhar, 1991), calcareous algae (Badve & Nayak, 1984;Kundal & Sanganwar, 1998a), bivalves (Bose, 1884;Chiplonkar & Badve, 1976;Dassarma & Sinha, 1975;Nayak, 2000a), and trace fossils (Chiplonkar & Badve, 1980;Ghare & Badve, 1980;Kundal & Sanganwar, 1998b;Nayak, 2000b;Patel et al, 2018;Sanganwar & Kundal, 1997). Sedimentological and palaeontological evidence indicates that the rocks were deposited in a marginal marine to the shallow marine environment.…”

Section: Depositional Environmentmentioning

confidence: 99%

“…It is a highly fossiliferous unit and consists of abundant oyster species Bosostrea (Chiplonkar & Badve, 1976) with shark teeth (Dassarma & Sinha, 1975;Verma, 1965), gastropods, foraminifers, and ostracods. It is also highly bioturbated (Ghare & Badve, 1980) and mainly consists of Thalassinoides and plugshaped (Bergaueria, Conichnus, and Conostichnus) burrows (Patel et al, 2018;Shitole, Patel, Joseph, & Darngawn, 2019). Oysters are also observed on the top of the Nodular Limestone; however, the occurrence at this higher stratigraphic level is localized.…”

Section: Unit Descriptionmentioning

confidence: 99%

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Amended lithostratigraphy of the Cretaceous Bagh Group, Western Lower Narmada Valley, India: A comparison with pervasive Tethyan basins

et al. 2021

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The evolution of the Narmada, Saurashtra, and Kachchh basins in the western margin of the Indian Craton is associated with the Middle Jurassic segmentation of Gondwana. The Narmada Basin was evolved during the Early Cretaceous and preserved a thick clastic and non-clastic sequence of the Bagh Group. The succession lies unconformably on the Precambrian rocks, and a complete sequence is exposed in the Western Lower Narmada Valley (WLNV). Until now, it has been described using various informal lithostratigraphic units emphasizing local lithic characters, which have no relevance with the stratotypes and do not fit into the concept of the International Subcommission on Stratigraphic Classification (ISSC). In the present study, the Bagh Group succession is mapped across the Lower Narmada Valley (LNV) and correlated between sections. The units in WLNV were revised and redefined assigning the stratotypes as per the ISSC. The amended lithostratigraphy of the Bagh Group comprises five formations, viz. Songir, Vajepur, Bilthana, Nodular Limestone, and Uchad. The Uchad Formation is a newly recognized youngest unit and is subdivided into the Narmada sandstone and the Men Nadi Limestone members. The lithological and palaeontological evidences indicate that the Bagh Group succession of the WLNV developed in a fluvio-marine environment during the Berriasian? (Neocomian) to Coniacian age. The Cretaceous succession of the WLNV is also compared with the pervasive Tethyan basins, including the Eastern Desert (Egypt), Saurashtra-Kachchh (India), Mahajanga (Madagascar), and Carnarvon (Australia). The Albian-Coniacian lithostratigraphy of the Narmada Basin is comparable to the Eastern Desert, although located at different palaeolatitudes, which suggest similar eustatic and tectonic conditions. It also shows a similar sedimentation pattern compared with the adjoining Saurashtra Basin during the Cenomanian-Coniacian. However, it differs from the Kachchh, Mahajanga, and Carnarvon basins, which can be attributed to different palaeolatitudes, as well as the development of rift-related events. The deposition of the Bagh Group in WLNV terminated with the separation of the Indian Plate from Madagascar and the outpouring of flood basalts during the Coniacian.

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Section: Discussionmentioning

confidence: 86%

Section: Intent and Utilitymentioning

confidence: 99%

Section: Depositional Environmentmentioning

confidence: 99%

Section: Unit Descriptionmentioning

confidence: 99%

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Amended lithostratigraphy of the Cretaceous Bagh Group, Western Lower Narmada Valley, India: A comparison with pervasive Tethyan basins

et al. 2021

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“…The subsidence caused the encroachment of open sea, hence further landward inundating the entire basin Racey et al (2016). proposed a revised chronostratigraphic framework for the Bagh Group of rocks Patel et al (2018). reported trace fossils viz.…”

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confidence: 99%

Marine and Fluvial Sedimentation Including Erosion and Sediment Flux in Peninsular Indian Phanerozoic Basins

Banerjee¹,

Ghosh²,

Nagendra³

et al. 2020

PINSA

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This review presents a brief appraisal of the present understanding regarding marine and fluvial sedimentation in peninsular India in the background of global tectono-thermal events and relative sea level changes during the Phanerozoic. Sedimentary basins hosting the Phanerozoic deposits of peninsular India can be broadly categorized into two viz. Gondwana related half grabensand Meso-Cenozoic passive margins. Recent investigations document marine incursions in the former category of basins based on careful analysis of trace fossil assemblage and tide-and wave-originated sedimentary structures. The study of continental carbonates in the Upper Gondwana reveals widespread microbially mediated carbonate formation in freshwater systems, while the mud-dominated fluvial deposits in these basins show unique characteristics of the channel to overbank sediment transfer, related to a balance between sediment flux and erosion.The application of sequence stratigraphy provides a high-resolution analysis of passive continental margin sedimentary succession in Kutch, Cauvery and Jaisalmer basins. The origin of authigenic minerals has been integrated with the sequence stratigraphic framework in several Mesozoic and Cenozoic basins. A thorough biostratigraphic investigation reveals different order of sea-level cycles in the sedimentary deposits of Cauvery and Kutch basins and hyperthermal events in the Cenozoic of Kutch. Distinct ichnological assemblages characterize the transgressive and regressive deposits in Kutch and Jaisalmer basins. Quaternary terrestrial sedimentary records provide a high-resolution palaeoclimatic reconstruction.

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Stratigraphy, Sedimentology and Paleontology of Late Cretaceous Bagh Beds, Narmada Valley, Central India: A Review

Bhattacharya

Halder

Jha

et al. 2021

Society of Earth Scientists Series

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Plug Shaped Burrows Conichnus - Conostichus from the Late Cretaceous of Bagh Group, Gujarat, Western India

Cited by 7 publications

References 7 publications

Amended lithostratigraphy of the Cretaceous Bagh Group, Western Lower Narmada Valley, India: A comparison with pervasive Tethyan basins

Amended lithostratigraphy of the Cretaceous Bagh Group, Western Lower Narmada Valley, India: A comparison with pervasive Tethyan basins

Marine and Fluvial Sedimentation Including Erosion and Sediment Flux in Peninsular Indian Phanerozoic Basins

Stratigraphy, Sedimentology and Paleontology of Late Cretaceous Bagh Beds, Narmada Valley, Central India: A Review

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