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Thursday, April 23, 2020 | History

2 edition of The Pre-basaltic sediments and the Lower Basalts at Kangerdlugssuaq, East Greenland found in the catalog.

The Pre-basaltic sediments and the Lower Basalts at Kangerdlugssuaq, East Greenland

The Pre-basaltic sediments and the Lower Basalts at Kangerdlugssuaq, East Greenland

their stratigraphy, lithology, palaeomagnetism, and petrology

by

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  • 22 Currently reading

Published by Kommissionen for videnskabelige Undersøgelser i Grønland in Copenhagen .
Written in English

    Places:
  • Greenland,
  • Kangerlussuaq.
    • Subjects:
    • Rocks, Sedimentary -- Greenland -- Kangerlussuaq.,
    • Basalt -- Greenland -- Kangerlussuaq.,
    • Paleomagnetism -- Greenland -- Kangerlussuaq.

    • Edition Notes

      StatementTroels F.D. Nielsen ... [et al.].
      SeriesMeddelelser om Grønland. Geoscience,, 6-1981, Contributions to geology / Geological Museum of the University of Copenhagen ;, no. 399, Meddelelser om Grønland., 1981-6., Contributions to geology (Københavns universitet. Geologisk museum) ;, no. 399.
      ContributionsNielsen, Troels F. D.
      Classifications
      LC ClassificationsQE70 .M43 1981-6, QE471 .M43 1981-6
      The Physical Object
      Pagination28 p. :
      Number of Pages28
      ID Numbers
      Open LibraryOL3248963M
      ISBN 108717028752
      LC Control Number83165733

      Geological Investigations in East Greenland. Part III, The Petrology of the Skaergaard Intrusion, Kangerdlugssuaq, East Greenland. ography.") New York: McGraw-Hill Book Co., On Some Lower Carboniferous Brachiopods from Central Hunan, China. Two Interesting Types of Phillipsite from the Basalts of North-east Bohemia. By Karel Tucek.   Phosphate Lu–Hf geochronology Phosphate Lu–Hf geochronology Barfod, Gry H.; Otero, Olga; Albarède, Francis Igneous, metamorphic and biogenic apatite contains Lu and Hf in proportions that make this mineral suitable for dating by the Lu– Hf method. We present a new method for separation of Lu and Hf from apatite that involves a . Jenner et al. () reported the occurrence of, what they interpret as, Earth’s oldest ocean island basalts (OIBs) on the island of Innersuartuut, southwest Greenland. However, this interpretation hinges critically on the incompatible trace element contents of the presented rocks. Compared to Phanerozoic OIBs, the data of Jenner et al. exhibit lower Nb/La and Gd/Yb ratios, have Cited by: Arctic region basalts geochemistry Greenland helium isotopes He-4/He-3 kimberlite mantle orthosilicates ocean-island basalts olivine silicates South Greenland nesosilicates noble gases Xe/Xe xenon igneous rocks isotope ratios volcanic rocks West Greenland magmas olivine group stable isotopes Xe/XeCited by:


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The Pre-basaltic sediments and the Lower Basalts at Kangerdlugssuaq, East Greenland Download PDF EPUB FB2

Get this from a library. The Pre-basaltic sediments and the Lower Basalts at Kangerdlugssuaq, East Greenland: their stratigraphy, lithology, palaeomagnetism, and petrology. [Troels F D Nielsen;]. The pre-basaltic sediments and the Lower Basalts at Kangerdlugssuaq, East Greenland: Their stratigraphy, lithology, palaeomagnetism and petrology Article Jan Fig.

Geological maps showing the distribution of Cretaceous–Palaeogene sediments and the Palaeogene flood basalts of the sou th-ern East Greenland volcanic province.

The position of sections logged in (black dots) and localities mentioned in the text are indicated. Red line in lower map connects sections 1, 2 and 3 shown in Fig. Nielsen TFD, Soper NJ, Brooks CK, Faller AM, Higgins AC, Matthews DW () The pre-basaltic sediments and the Lower Basalts at Kangerdlugssuaq, East Greenland their stratigraphy, lithology, palaeomagnetism and petrology.

Medd Grøn Geosci 6Cited by: The post-basaltic Palaeogene and Neogene sediments at Kap Dalton and Savoia Halvø, East Greenland of the Lower T ertiary plateau basalts of the Scoresby Sund. at Kangerdlugssuaq, East. The pre-basaltic sediments and the Lower Basalts The Pre-basaltic sediments and the Lower Basalts at Kangerdlugssuaq Kangerdlugssuaq, East Greenland: their stratigraphy, lithology, paleomagnetism and petrology, Meddelelser om Grønland Geoscience, 6 (), pp.

Cited by:   Quantitative modeling of fractionation indicates that Kangerdlugssuaq magmas primarily differentiated at moderate pressures (∼8 kbar) to form dunitic and wehrlitic cumulates at depths of ∼25 km. Evolved East Greenland flood basalts from the Scoresby Sund region record a more complex fractionation history involving olivine ± clinopyroxene Cited by: Map of East Greenland with a simplified geological map of Savoia Halvø based on Birkenmajer (, fig.

The locality with exposed sub-basaltic sediments is situated adjacent to the Kap. EAST GREENLAND FLOOD BASALT PROVINCE. The East Greenland flood basalt province covers an area of 65, km 2 with lava sequences >6 km thick approaching the coast (Pedersen et al., ) (Fig.

F1).High-resolution chemical stratigraphy of the flood basalts has shown that the succession can be divided into two series (Fig. F5).A basal volcanic series is composed of. Nielsen TFD, Soper NJ, Brooks CK, Faller AM, Higgins AC, Matthews DW () The pre-basaltic sediments and the Lower Basalts at Kangerdlugssuaq, East Greenland: their stratigraphy, lithology, palaeomagnetism and petrology.

Meddelelser om Grønland, Geosci 6, 28 p Google ScholarAuthor: Hetu Sheth. The area of East Greenland around Scoresby Sund, Kong Oscar and Kejser Franz Joseph Fjords is the largest ice-free area in Greenland. It also has incredible geodiversity, with basement rocks as old as three billion years, an almost complete sedimentary record of the last byrs and huge volumes of flood basalts from the splitting of the Atlantic.

Pre-basaltic basin development and sedimentation Since the early description of the ‘Kangerdlugssuaq Sedimentary Series’ (now Kangerdlugssuaq Basin) by Wager & Deer () and Wager (), the pre-basaltic sediments have received periodic attention by a num-ber of research groups (e.g.

Soper The Pre-basaltic sediments and the Lower Basalts at Kangerdlugssuaq al. a, b; Nielsen. east Greenland, where they reach heights of about 2, meters, to north– EA-I. Wilson: Geology of Greenland pre-Devonian sedimentary rocks. dykes which are probably older than the overlying lower Cambrian sediments.

In East Greenland, owing to later Caledonian folding, younger pre-Cambrian. Stratigraphic, geochemical and mineralogical characterization of pyroclastic deposits on the Gronau West Nunatak of East Greenland indicates that both alkaline and basaltic tephras occurred during the eruption of flood basalts associated with the opening of the North Atlantic ocean in the early by: The pre-basaltic sedimentary succession, redrawn from Larsen, M.

et al. (), and the Lower Basalts, redrawn from Peate, I.U. et al. (), showing the. Abstract. East Greenland is an outstanding example of a passive continental margin of the type characterized by voluminous basaltic activity such as is common to the North Atlantic margins, but is also found in many other by: 1.

Nielsen TFD, Soper NJ, Brooks CK, Faller AM, Higgins AC, Mathews DW () The pre-basaltic sediments and the Lower Basalts at Kangerdlugssuaq, East Greenland: their stratigraphy, lithology, palaeomagnetism and petrology. Medd Groen Geosci –25 Google ScholarCited by: The pre-basaltic sediments and the Lower Basalts at Kangerdlugssuaq, East Greenland: their stratigraphy, lithology, palaeomagnetism and petrology Medd.

Grønland, Geosci., 6 Cited by: Measurements have been made of the natural remanent magnetisation of Lower Tertiary basalts from Kangerdlugssuaq on the Blosseville Kyst of central East Greenland. The samples were taken from the base of a 9 km sequence of flows and are associated with fossüiferous marine sediments of uppermost Palaeocene age.

Introduction. Paleocene pre-drift reconstructions of the North Atlantic locate the southern East Greenland margin only 50– km north–west of the present-day Faroe Islands (e.g.

Skogseid et al., ), illustrating that the Kangerlussuaq area in southern East Greenland is an obvious candidate for field and biostratigraphic studies with respect to exploration on the Faroe Cited by:   Nielsen TFD, Soper NJ, Brooks CK, Faller AM, Higgins AC, Matthews, DW () The pre-basaltic sediments and the Lower Basalts at Kangerdlugssuaq, East Greenland: their stratigraphy, lithology, palaeomagnetism and petrology.

Medd Groenl, Geo-science6Cited by: Some of the earliest lavas in central East Greenland are exposed along the southern part of the Blosseville Kyst. They belong to the Vandfaldsdalen and Mikis Formations, also known as the Lower Basalts (Nielsen et al., ).The samples investigated in the present study were sampled in an approximately m thick section through the Lower Basalts in NE Sødalen (Fig.

1, Cited by: The pre-basaltic sediments and the lower basalts at Kangerdlugssauq, East Greenland: their stratigraphy, lithology, paleomagnetism and petrology. The Refugian Stage in California Foraminiferal Zonation, Geologic History, and Correlations to the Pacific Northwest. This means that the Tertiary basalts and sediments overlying the Kangerdlugssuaq region were ± km thick at ± Ma.

A.C. Higgins, D.W. MatthewsThe pre-basaltic sediments and the lower basalts at Kangerdlugssuaq, East Greenland. Medd. Grønl. Geosci., 6 (), pp. HirschmannOrigin of the Transgressive Cited by: The transition from sedimentation to flood volcanism in the Kangerlussuaq Basin, East Greenland: basaltic pyroclastic volcanism during initial Palaeogene continental break-up.

Journal of the Geological Society, London,–   The Skaergaard intrusion was emplaced c. 55 Myr ago (Brooks & Gleadow, ; Hirschman et al., ) in the lower part of the accumulating Tertiary East Greenland plateau basalts during continental break-up in the North Atlantic (Nielsen, ; Larsen et al., ; Tegner et al., ).Cited by: Lower degrees of melting produce the most incompatible element rich magmas, like basanites, while successively higher degrees of melting could produce the alkali basalts and tholeiitic basalts.

OIBs (including EMORBs) appear to be the result of melting of an incompatible element enriched mantle, both in terms of their incompatible trace element. ASTM, Annual Book of ASTM Standards for Soil and Rock; Building Stones: Geotextiles (Vol.

): Philadelphia (Am. Soc. Testing Materi- volcanism in the Kangerdlugssuaq region, East Greenland: trace-element geochemistry of the Lower Basalts and tholeiitic dyke swarms.

In. Petrology of the Paleocene Picrites and Flood Basalts on Disko and Nuussuaq, West Greenland Lotte M. Larsen. 1 Geological Survey of Denmark and Greenland Its lower boundary towards the sediments youngs towards the east because of progression of the volcanic pile from west to east Cited by: Chemical Geology Ž 89– Crustal contamination in Palaeogene East Greenland flood basalts: plumbing system evolution during continental rif Download PDF 2MB Sizes 0 Downloads 2 Views.

The pre-basaltic sediments and the lower basalts at Kangerdlugssuaq, East Greenland, their stratigraphy, lithology, palaeomagnetism and petrology. Meddelelser om Grønland, Geosciences 6, Peate, D.W. & Stecher, O., Pb isotope evidence for contributions from different Iceland mantle components to Palaeogene East Greenland flood basalts.

Kangerlussuaq Fjord (Greenlandic: Kangerlussuaq, meaning 'large fjord'; old spelling Kangerdlugssuaq; Danish: Stor Fjord) is a fjord in eastern is part of the Sermersooq municipality.

The fjord was named by the East-Greenland Coast Expedition led by Georg Carl Amdrup in Currently drilling explorations are being carried out for the Basin countries: Greenland.

Fram, M.S., and Lesher, C.E., Generation and polybaric differentiation of East Greenland early Tertiary flood basalts. Petrol Nd, Sr and Pb isotope geochemistry of the lower lavas, East Greenland Tertiary igneous province.

Hopper, J.R., and Scientific Shipboard Party, Cruise report H/S DANA East Greenland shallow. -Ap southern Iceland. Disrupted air travel for 6 days with a ash cloud m high.

Airline industry lost $ million in a day, the total loss was $ Billion, and airports lost $80 million in a day.

flights cancelled in an 8 day period, which is half of total air traffic and 10 million passengers. Dinoflagellate cyst and spore-pollen spectra from the Lower Oligocene Krabbedalen Formation at Kap Brewster, East Greenland. Shallow-marine deposits of the Krabbedalen Formation (Kap Dalton Group) from Kap Brewster, central East Greenland, yielded rich dinoflagellate cyst and pollen-spore by: 2.

Partitioning effects from ocean and atmosphere on the calving stability of Kangerdlugssuaq Glacier, East Greenland Poul CHRISTOFFERSEN,1 Martin O’LEARY,1 Jan H. VAN ANGELEN,2 Michiel VAN DEN BROEKE2 1Scott Polar Research Institute, University of Cambridge, Cambridge, UK E-mail: [email protected]   The enriched basalts are similar to, though slightly more extreme (higher 87 Sr/ 86 Sr and lower Nd/ Nd ratios) than the most enriched basalts erupted by the Iceland plume and across the.

These basalts have distinctive trace element signatures, with the Group 2 basalts having higher Ni, lower Hf, and slightly lower middle REE abundances than the Group 1 basalts, while the Group 3 basalts are characterized by higher and more fractionated REE abundances, as well as higher Ca, P, Ti, Th, Ta, and Sc contents.

Ocean island basalt (OIB) is a volcanic rock, usually basaltic in composition, erupted in oceans away from tectonic plate gh ocean island basaltic magma is mainly erupted as basalt lava, the basaltic magma is sometimes modified by igneous differentiation to produce a range of other volcanic rock types, for example, rhyolite in Iceland, and phonolite and trachyte.

The lava stratigraphy of the coastal region is well established, and most of these tholeiitic lavas were erupted in two distinct phases (Storey et al., ) comparable with the main magmatic episodes recognized throughout the North Atlantic Igneous Province (Saunders et al., ): (1) the earliest volcanic rocks that include the Lower Basalts Cited by:.

PETROLOGY AND GEOCHEMISTRY OF BASALTS AND RELATED ROCKS FROM SITES,DSDP basalt from the East Indian Ocean Basin (Site ) are not available, but the major element data for this basalt les s altere d than th e lower basalt Cited by: Palaeogene central East Greenland flood basalts have Sr, Nd and Pb isotope characteristics consistent with crustal contamination of Icelandic-type basalts.

In the Lower Basalts of central East Greenland, amphibolite facies gneiss is the dominant contaminant at low stratigraphic levels, whereas contamination with granulite facies gneiss prevails in the upper part of the lava .Our investigations show that (1) in the investigated basins, lunar volcanism was active for almost 3 b.y., starting at ~– b.y.

ago and ceasing at ~ b.y. ago, (2) most basalts erupted during the late Imbrian Period at ~– b.y. ago, (3) significantly fewer basalts were emplaced during the Eratosthenian Period, and (4) basalts of.