Palaeoenvironments of the dinosaur-bearing Lameta Beds (Maastrichtian), Narmada Valley, Central India

Tandon, S. K.; Sood, Anjuli; Andrews, Julian E.; Dennis, Paul F.

doi:10.1016/0031-0182(94)00128-u

Cited by 98 publications

(112 citation statements)

References 39 publications

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“…The present contribution aims at providing a more detailed sedimentological and petrological description of these shoreline facies and their depositional architecture. Moreover, the facies hosting the dinosaur clutches at Bastus, and the inferred environmental setting, markedly differ from other recently published cases, where concentrations of clutches and eggshell debris are reported to occur preferentially in muddy alluvial/ fluvial or lake shore/perilagoonal deposits with associated paleosols (e.g., Tandon et al, 1995;Dingus et al, 2000;Cojan et al, 2003;Escuer et al, 2003;Paik et al, 2004;Van Itterbeeck et al, 2004), and exceptionally in muddy tidal flat sediment .…”

Section: Introductioncontrasting

confidence: 46%

Depositional setting and early diagenesis of the dinosaur eggshell-bearing Aren Fm at Bastus, Late Campanian, south-central Pyrenees

Díaz-Molina¹,

Kälin²,

Benito³

et al. 2007

Sedimentary Geology

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Section: Introductioncontrasting

confidence: 46%

Depositional setting and early diagenesis of the dinosaur eggshell-bearing Aren Fm at Bastus, Late Campanian, south-central Pyrenees

Díaz-Molina¹,

Kälin²,

Benito³

et al. 2007

Sedimentary Geology

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“…However, evidence for a seaway during the late Cretaceous is highly controversial and based largely on sedimentological data (e.g. Singh 1981, but see Tandon et al 1995), though lagoonal deposits have been reported from the Maastrichtian Lameta beds of the Jabalpur area (Shukla and Srivastava 2008).…”

Section: Palaeoenvironment -Marine Seawaymentioning

confidence: 98%

Deccan volcanism, the KT mass extinction and dinosaurs

2009

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Recent advances in Deccan volcanic studies indicate three volcanic phases with the phase-1 at 67.5 Ma followed by a 2 m.y. period of quiescence. Phase-2 marks the main Deccan volcanic eruptions in Chron 29r near the end of the Maastrichtian and accounts for approximately 80% of the entire 3500 m thick Deccan lava pile. At least four of the world's longest lava flows spanning 1000 km across India and out into the Gulf of Bengal mark phase-2. The final phase-3 was smaller, coincided with the early Danian Chron 29n and also witnessed several of the longest lava flows. The KT boundary and mass extinction was first discovered based on planktic foraminifera from shallow marine intertrappean sediments exposed in Rajahmundry quarries between the longest lava flows of the main volcanic phase-2 and smaller phase-3. At this locality early Danian (zone P1a) planktic foraminiferal assemblages directly overlie the top of phase-2 eruptions and indicate that the masse extinction coincided with the end of this volcanic phase. Planktic foraminiferal assemblages also mark the KT boundary in intertrappean sediments at Jhilmili, Chhindwara, where freshwater to estuarine conditions prevailed during the early Danian and indicate the presence of a marine seaway across India at KT time. Dinosaur bones, nesting sites with complete eggs and abundant eggshells are known from central India surrounding the hypothesized seaway through the Narmada-Tapti rift zone. A Maastrichtian age is generally assigned to these dinosaur remains. Age control may now be improved based on marine microfossils from sequences deposited in the seaway and correlating these strata to nearby terrestrial sequences with dinosaur remains.

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“…So far, numerous 'stacked' calcrete profiles have been described from pre-Quaternary sediments (e.g. Watts, 1980;Tandon et al, 1995); however, these are often without chronometric controls. Consequently, the temporal significance of stacked calcrete profiles is largely undetermined.…”

Section: Introductionmentioning

confidence: 99%

Multiple episodes of aggradation and calcrete formation in Late Quaternary aeolian sands, Central Thar Desert, Rajasthan, India

Dhir

Singhvi

Andrews

et al. 2010

Journal of Asian Earth Sciences

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Palaeoenvironments of the dinosaur-bearing Lameta Beds (Maastrichtian), Narmada Valley, Central India

Cited by 98 publications

References 39 publications

Depositional setting and early diagenesis of the dinosaur eggshell-bearing Aren Fm at Bastus, Late Campanian, south-central Pyrenees

Depositional setting and early diagenesis of the dinosaur eggshell-bearing Aren Fm at Bastus, Late Campanian, south-central Pyrenees

Deccan volcanism, the KT mass extinction and dinosaurs

Multiple episodes of aggradation and calcrete formation in Late Quaternary aeolian sands, Central Thar Desert, Rajasthan, India

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