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Glacial Sediments of Schirmacher Oasis, East Antarctica and their Characteristics

  • Rasik Ravindra
Chapter

Abstract

Schirmacher Oasis in Central Dronning Maud Land of East Antarctica represents a polar and periglacial environment that exhibits large accumulation of unconsolidated sediments as moraines and debris dropped by retreating ice sheet and admixture of sand-silt-clay deposited by the melt water channels. Study involved collection of sediments from various depositional environments for analyses. The sand-silt-clay ratios determined from these samples show that the sand percentage is varying between 71% and 95.22%, silt percentage varies between 3.06% and 15.54% and the clay percentage falls within 1.72–13.46% range indicating that the sand constitutes major part of the soil while clay fraction is generally negligible to minimum. It is in the vertical sections of some lake margins that fine lamiae of clay are seen. The organic carbon content and the inorganic carbon, as also the variation in the CaCO3 in the samples is very low. The sediments indicate a quartzose provenance and abundance of heavy minerals. Glacial till around Maitri were mapped on 1:1000 scale to understand the depositional history of sediments. The samples collected from each level were analysed for Accelerated Mass Spectrometer (AMS) dating. The results indicate four distinct surfaces of these deposits between the Priyadarshini Lake (towards north) and the area in the immediate vicinity of Maitri Station deposited between the span of 4702 and 8942 years BP. The surface textures and the morphological features on the quartz grains further indicate differential transportation, essentially by the glacial agency as the angularities of the edges are still preserved and the sub-rounding to rounding of the grains, typical of the fluvial action, is present only in case of channel deposits. Periods of residency of the grains for long span of time is shown by the engraved features on the surfaces of the quartz grains.

Keywords

Schirmacher Oasis Glacial and periglacial environment Sedimentation history 

References

  1. Achyuthan H, Asthana R, Ravindra R, Eastoe C (2008) Radiocarbon dates and sedimentation within the Schirmacher Oasis, East Antarctica. Abstract SCAR’s Open Science Congress, St. PetersburgGoogle Scholar
  2. Asthana R, Chaturvedi A (1998) The grain size behaviour and morphoscopy of supraglacial sediments south of Schirmacher Oasis East Antarctica. J Geol Soc India 52:557–568Google Scholar
  3. Asthana R, shrivastava PK, Beg MJ, Shome S, Kachroo K (2009) Surface microtextures of quartz grains from glaciolacustrine sediment core from Priyadarshini Lake, Schirmacher Oasis, East Antarctica as revealed under scanning electron microscope. Indian J Geosci 63(2):205–214Google Scholar
  4. Asthana R, Beg MJ, Swain AK, Dharwadkar A, Roy SK, Srivastava HB (2013) Sedimentary processes in two different polar periglacial environments: examples from Schirmacher Oasis and Larsemann Hills, East Antarctica. Geol Soc Lond Spec Publ 381:411–427CrossRefGoogle Scholar
  5. Baba S, Owada M, Grew ES, Shirajshi K (2006) Granulite from Schirmacher Hills, central Dronning Land. In: Fütterer DK, Damaske D, Kleinschmidt G, Miller H, Tessensohn F (eds) Antarctic contributions to global Earth science. Springer, BerlinGoogle Scholar
  6. Bardin VJ (1971) Moraines of Antarctica. In: Adie RJ (ed) Antarctic geology and geophysics. Universitetes for laget, Oslo, pp 663–667Google Scholar
  7. Bera SK (2004) Late Holocene palaeo-winds and climatic changes in Eastern Antarctica as indicated by long distance transported pollen-spores and local microbiota in polar lake core sediments. Curr Sci 86(11):1485–1488Google Scholar
  8. Buckley DE, Cranston RE (1991) The use of grain size information in marine geochemistry. In: Syvitski JPM (ed) Principles, methods, and application of particle size analysis. Cambridge University Press, New York, pp 311–331CrossRefGoogle Scholar
  9. Calvert SE, Pedersen TF (1993) Geochemistry of recent toxic and anoxic marine sediments: implications for the geological record. Mar Geol 113:67–88CrossRefGoogle Scholar
  10. Geological Survey of India (2006) Gemorphological Map of Schirmacher Oasis, East Antarctica on 1:25,000 scaleGoogle Scholar
  11. Hiller A, Wand U, Kampf H, Stackebrandt W (1988) Occupation of the Antarctic continent by petrels during the past 35 000 years: inferences from a 14C study of stomach oil deposits. Polar Biol 9:69–77CrossRefGoogle Scholar
  12. Jacobs J, Thomas RJ (2002) The Mozambique Belt from an East Antarctic perspective. IN Antarctica at the close of a Millennium. R Soc N Z Bull 35:3–18Google Scholar
  13. Kaul MK, Singh RK, Srivastava D, Jayaram S, Mukerji S (1991) Petrological and structural characteristics of a part of East Antarctic Craton, Queens Maud land, Antarctica. In: Thompson MRA, Crane JA, Thomson JW (eds) Geological evolution of Antarctica. Cambridge University Press, Cambridge, pp 89–94Google Scholar
  14. Krause WE, Krbetschek MR, Stolz W (1997) Dating of quaternary lake sediments from the Schirmacher Oasis (East Antarctica) by infra-red stimulated luminescence (IRSL) detected at the wavelength of 560 NM. Quat Sci Rev (Quat Geochronol) 16:387–392CrossRefGoogle Scholar
  15. Krinsley DH, Doornkamp JC (1973) Atlas of quartz sand surface textures. Cambridge University Press, Cambridge, pp 7–15Google Scholar
  16. Mahaney WC (1995) Glacial crushing, weathering and diagenetic histories of quartz grains inferred from scanning Electron Microscopy. In: Menzies J (ed) Modern glacial environment, processes, dynamics and sediments, vol 1. Batter worth Heinemann, Oxford, pp 487–506Google Scholar
  17. Mahesh BS, Warrier AK, Mohan R, Tiwari M, Anila B, Awasthi C, Astahna R, Ravindra R (2015) Response of long lake sediments to Antarctic climate: a perspective gained from sedimentary organic geochemistry and particle size analysis. Pol Sci 90:359–367Google Scholar
  18. Pant NC, Kundu A, D’Souza MJ, Saikia A (2013) Petrology of the Neoproterozoic granulites from Central Dronning Maud land, East Antarctica- implications for southward extension of East African Orogen (EAO). Precambrian Res 227:389–408CrossRefGoogle Scholar
  19. Phartiyal B (2014) Holocene paleoclimatic variation in the Schirmacher Oasis, East Antarctica: a mineral magnetic approach. Pol Sci 8(4):357–369CrossRefGoogle Scholar
  20. Phartiyal B, Sharma A, Bera SK (2011) Glacial lakes and geomorphological evolution of Schirmacher Oasis, East Antarctica, during late quaternary. Quat Int 235(1–2):128–136CrossRefGoogle Scholar
  21. Ravikant V, Laux JH, PIementel MM (2007) Sm-Nd and U-Pb isotopic constraints for crustal evolution during Late Neoproterozoic from rocks of the Schirmacher Oasis, East Antarctica: geodynamic development coeval with East African Orogeny. USGS and the National Academies.  https://doi.org/10.3133/0f2007
  22. Ravindra R (2001) Geomorphology of Schirmacher Oasis, East Antarctica. Proceeding symposium on snow, ice and glaciers. Geol Surv India 53:379–390Google Scholar
  23. Ravindra R (2013) Evolution of rocky oases in eastern Antarctica: studies by Indian scientists. In: Ramesh R, Sudhakar M, Chattopadhyay S (eds) Scientific and Geopolitical Interests in Arctic and Antarctic. In: Proceedings of international conference on science and geopolitics of Arctic and Antarctic, (SaGAA). LIGHTS, Research Foundation, New Delhi, p 296Google Scholar
  24. Ravindra R, Pandit MK (2000) Geochemistry and geochronology of A-type granite from northern Humboldt Mountain, East Antarctica: vestige of Pan-African event. J Geol Soc India 56:253–262Google Scholar
  25. Ravindra R, Pant NC, D’Souza MJ (1989) Geology of Central Queen Maud Land, East Antarctica. Geol Surv Ind Rec 122(2):197–199Google Scholar
  26. Ravindra R, Pant NC, D’Souza MJ (1991) Landscape Evalution of Humboldt and adjacent areas, Wohlthat Mountains, East Antarctica. J Geol Soc lndia 37(2):172–183Google Scholar
  27. Ravindra R, Dey A, Beg MJ, Kaul MK (1994) Observation on the snow accumulation/ablation over shelf and continental ice in parts of central dronning Maud Land, East Antarctica. Scientific report of ninth Indian expedition to Antarctica. DOD Tech Publ 6:227–238Google Scholar
  28. Ravindra R, Chaturvedi A, Beg MJ (2001) In: Sahoo DB, Pandey PC (eds) Melt-water Lakes of Schirmacher oasis-their genetic aspects and classification. Advances in Marine and Antarctic Sciences, New Delhi, pp 301–313Google Scholar
  29. Richter W, Bormann P (1993) In: Schirmacher (ed) Geomorphology. Schirmacher Oasis, Queen Maud Land, pp 171–206Google Scholar
  30. Richter W, Stranch G (1983) Deuterium and 1SO variation in lakes of the Schumacher oasis (East Antarctica). Isotopen Praxis 19(5):145–153Google Scholar
  31. Roy SK, Pant NC et al (2017) Geological studies in the Baalsrudfjellet nunatak and Wohlthat Mountains to establish the continuation of the East Antarctic Orogen (EAO) in the central Dronnn g Maud land. In: Pant NC, Dasgupta S (eds) Crustal evolution of India and Antarctica: the supercontinent connection. Geological Society, London, p 457.  https://doi.org/10.1144/SP457.14CrossRefGoogle Scholar
  32. Sengupta S (1986) Precambrian rocks of the Schirmacher Range, East Antarctica. Z Geol Wiss 16:647–660Google Scholar
  33. Sharma C, Chauhan MS, Sinha R (2007) Studies on Holocene climatic changes from Priyadarshini Lake sediments, East Antarctica: the palynological evidence. J Geol Soc India 69:92–96Google Scholar
  34. Srivastava D, Kaul MK, Singh RK, Mukerji S, Jayaram S (1988) Some observations on the glacial geomorphological features of Wohlthat Mountains, Central Dronning Maud Land, Antarctica, Technical Publication No. 5. Department of Ocean Development, New Delhi, IndiaGoogle Scholar
  35. Shrivastava PK, Asthana R, Beg MJ, Singh J (2009) Climatic fluctuation imprinted in quartz grains of lake sediments from Schirmacher Oasis and Larsemann Hills area, East Antarctica. Ind J Geosci 63(1):87–96Google Scholar
  36. Shrivastava PK, Asthana R, Roy SK, Swain AK, Dharwadkar A (2012) Provenance and depositional environment of epi-shelf lake sediment from Schirmacher Oasis, East Antarctica, vis-a-vis scanning electron microscopy of quartz grain, size distribution and chemical parameters. Elsevier. Pol Sci 6(2):165–182CrossRefGoogle Scholar
  37. Srivastava A, Kirtikumar R, Khare N (2013) Mineralogical and geochemical studies of glacial sediments from Schirmacher Oasis, East Antarctica. Quat Int 292:205–216.  https://doi.org/10.1016/j.quaint.2012.07.028CrossRefGoogle Scholar
  38. Srivastava HB, Shrivastava PK, Roy SK et al (2018) Transition in late quaternary paleoclimate in Schirmacher region, East Antarctica as revealed from Lake sediments. J Geol Soc India 91(6):651–663.  https://doi.org/10.1007/s12594-018-0920-zCrossRefGoogle Scholar
  39. Sinha R, Chatterjee A (2000) Lacustrine sedimentology in the Schirmacher Range Area, East Antarctica. J Geol Soc India 56:39–45Google Scholar
  40. Sinha R, Chatterjee A, Panda AK, Mitra A (1999) Thermal structure and heat budget of Priyadarshini Lake, Schirmacher Oasis, East Antarctica. Curr Sci 76(5):680–683Google Scholar
  41. Sinha R, Sharma C, Chauhan MS (2000) Sedimentological and pollen studies of Lake Priyadarshini, Eastern Antarctica. Palaeobotanist 49:1–8Google Scholar
  42. Stern RJ (1994) Arc assembly and continental collision in the Neoproterozoic East African Orogen: implications for the consolidation of Gondwana land. Annu Rev Earth Planet Sci 22:19–351CrossRefGoogle Scholar
  43. Warrier AK, Mahesh BS, Mohan R, Shankar R, Asthana R, Ravindra R (2014) Glacial interglacial climatic variations at the Schirmacher Oasis, East Antarctica: the first report from environmental magnetism. Palaeogeogr Palaeoclimatol Palaeoecol 412:249–260CrossRefGoogle Scholar

Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  • Rasik Ravindra
    • 1
  1. 1.National Centre for Polar and Ocean ResearchVasco da GamaIndia

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