Indian Neogene Siwalik Mammalian Biostratigraphy

Patnaik, Rajeev

doi:10.7312/columbia/9780231150125.003.0017

Cited by 49 publications

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“…If the latter species has a long middle to late Miocene temporal range (13.5-6.5 Ma according to Patnaik, 2013), its association with two taxa of Stegolophodon including the species recognized as S. cf. stegodontoides by Tassy (1983c) from the late Miocene of the Dhok Pathan Formation indicates thus a late Miocene age.…”

Section: Discussion and Inferencesmentioning

confidence: 99%

New proboscidean fossils from Middle Siwaliks of Haritalyangar area, Himachal Pradesh, India

Sankhyan¹,

Chavasseau²

2018

Palaeontol Electron

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Section: Discussion and Inferencesmentioning

confidence: 99%

New proboscidean fossils from Middle Siwaliks of Haritalyangar area, Himachal Pradesh, India

Sankhyan¹,

Chavasseau²

2018

Palaeontol Electron

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“…The process included repeated observations that led to a stable, dated magnetostratigraphy for the Potwar Plateau. Magnetic reversal stratigraphy has also been applied successfully in northern India (Patnaik, 2013), and to Plio-Pleistocene deposits east De Bruijn et al (1981) documented the then-oldest-known, early Miocene small mammal assemblage from the Murree Formation at Banda Daud Shah. These teams maintained strict control of faunal associations as they carefully documented the localities.…”

Section: Major Fossil-producing Sequences and History Of Explorationmentioning

confidence: 99%

“…The process included repeated observations that led to a stable, dated magnetostratigraphy for the Potwar Plateau. Magnetic reversal stratigraphy has also been applied successfully in northern India (Patnaik, 2013), and to Plio-Pleistocene deposits east 7 of the Potwar, in Pakistan (e.g., Keller et al, 1977) and to the early Miocene of the Zinda Pir Dome (Lindsay et al, 2005).…”

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confidence: 99%

Siwalik synopsis: A long stratigraphic sequence for the Later Cenozoic of South Asia

Flynn

Pilbeam

Barry

et al. 2016

Comptes Rendus Palevol

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The Tertiary sediments of northern Pakistan are an exceptional record of terrestrial sedimentation and represent most of Neogene time. Foremost is the Siwalik Group of the Potwar Plateau, for which multiple, superposed fossil levels span ~18 -6 Ma. Welldeveloped magnetostratigraphic control provides secure dating so that Siwalik fossil horizons may be interpolated into a time scale with resolution to 100,000 years. We describe the geographic setting of the Potwar, give an overview of the temporal distribution of faunas, and discuss changes in paleohabitat and paleoecology with latter deposits are Oligocene in age (Welcomme et al., 2001). Together they produce a rich record of successive faunas that can be studied for questions on lineage evolution, community structure, and faunal change.The Siwaliks and related formations have been the subject of field exploration for almost 200 years. Early collecting was sporadic, with little attention paid to provenance, but it provided impetus for later expeditions. Two of these were collecting campaigns under the direction of Barnum Brown of the American Museum of Natural History in the 1920s and G. Edward Lewis of Yale University in the 1930s. Their collecting (Lewis, 1937) was geographically controlled and today we can reconstruct in general where many of their collections were made. Richard Dehm (Dehm et al., 1958), Universität München expeditions of 1939 and 1955-56, and G.H.R. von Koenigswald, Rijksuniversiteit, Universiteit Utrecht (1966, also recorded data for fossils recovered by their groups.However, the potential for biostratigraphic study of long sections in defined areas was still largely unrealized.It is now feasible to record precisely the level of occurrence of superposed stratigraphic horizons that produce fossils. The sequence of sites records the local histories of organisms during much of the Miocene Epoch, both changes among members in associated faunas as well as evolution within lineages. The fossil horizons of the Potwar Plateau can be dated relative to one another, and ages can generally be resolved on the scale of 100,000 years for the interval of approximately 18 to 6 Ma . The Siwaliks present a special geobiological case in which many successive and dated levels can be sampled for their often abundant vertebrate fossils and ecological proxies, affording an excellent opportunity to document changes in landscapes, habitats, and faunas through time. The dimensions of information that can be retrieved from the Siwaliks are considerable compared to other sequences of comparable age.In the following, we discuss the geological and geographic setting for the major fossil-producing regions of the Indian Subcontinent. We sketch the history of exploration by early workers in the Indian Subcontinent. We touch on major features of the terrestrial deposits and age determination, and then turn to our current assessments of faunas and paleohabitats of the Miocene. Major Fossil-Producing Sequences and History of ExplorationEarly fossil collecting invo...

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“…In the Indian part the HFB is extensively studied to by Rohtash Kumar Late Cenozoic Himalayan foreland basin: Sedimentologic attributes Scientist (Retd. ), Wadia Institute of Himalayan Geology, 33 GMS Road, Dehra Dun -248001, Uttarakhand, INDIA e-mail: drrohtashgpt@gmail.com (Received : 5/11/2018;Revised accepted : 24/07/2019) https: //doi.org/10.18814/epiiugs/2020/020026 understand the variability in depositional setting (Tandon, 1976(Tandon, , 1991Kumar and Tandon, 1985;Burbank et al, 1996;Kumar et al, 2003a;2004a,b;Goswami and Deopa, 2018 and references therein), marine to fluvial transition (Srivastava and Casshyap, 1983;Singh, 1978;Najman;Bera et al, 2008; and references therein), biostratigraphy, faunal evolution and migration route (Pilgrim., 1913;Colbert., 1935;Agrawal et al, 1993;Nanda and Sehgal, 1993;Nanda, 2002;2015;Basu., 2004;Patnaik, 2013;Gilbert et al, 2017;Nanda et al, 2018 and references therein), magnetostratigraphy (Azzaroli, and Naponeone, 1982;Johnson et al, 1983;Ranga Rao, 1993;Ranga Rao et al, 1995, Sangode et al, 1996Chirouze et al, 2012;Sangode, 2014;Govin et al, 2018 and references therein), thrusting event (e.g. Meigs et al, 1995;Kumar et al, 1999;2003a,b;…”

Section: Introductionmentioning

confidence: 99%

Late Cenozoic Himalayan foreland basin: Sedimentologic attributes

Kumar

2020

Episodes

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417Late Cenozoic fluvial stratigraphic records of the Himalayan foreland basin-the Siwalik Group between Rivers Ganga and Ravi were studied and reviewed to understand the responses of allogenic forcing at variable timeframe. The Siwalik succession represents an upward stratigraphic coarsening sequence which was initiated 13 Ma and terminated and deformed by the Himalayan Frontal Thrust (HFT) at around 0.2 Ma. Fluvial architecture, composition and paleoflow patterns exhibits patial and temporal variations and characteristics of a large river that evolved around 10 Ma with southward propagating mountain front with large gravelly alluvial fans evolving after 5 Main the proximity of Main Boundary Thrust (MBT). Influx of boulder-to pebblesized clasts indicatesmajor surface uplift at around 5 Ma all along the Himalaya. This uplift is more widespread and responsible for the generation of much of the modern drainage system. The fluvial architecture reveals variation in temporal and spatial deposition style at million-year scale in response to variable hinterland topography, tectonics and climate. However, direct climatic signatures are not evident, although stable isotopic studies suggest variability at million-year scale, which was overwhelmed by tectonics.Dr Rhotash Kumar has worked extensively on the Neogene and Quaternary fluvial successions of the Foreland basin of Himalaya. He has also studied the Ladakh molasses, Spiti Basin and geological formations of Karakoram area.

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Indian Neogene Siwalik Mammalian Biostratigraphy

Cited by 49 publications

References 0 publications

New proboscidean fossils from Middle Siwaliks of Haritalyangar area, Himachal Pradesh, India

New proboscidean fossils from Middle Siwaliks of Haritalyangar area, Himachal Pradesh, India

Siwalik synopsis: A long stratigraphic sequence for the Later Cenozoic of South Asia

Late Cenozoic Himalayan foreland basin: Sedimentologic attributes

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