stratigraphy of the marine Quaternary deposits in West Greenland.

  • 142 Pages
  • 3.23 MB
  • English
C. A. Reitzel , København
Paleontology -- Quaternary., Paleontology -- Green



SeriesMeddelelser om Grønland, udg. af Kommissionen for videnskabelige undersøgelser i Grønland,, bd. 151, nr. 1, Meddelelser om Grønland ;, bd. 151, nr. 1.
LC ClassificationsQ115 .D39 bd. 151, nr. 1
The Physical Object
Pagination142 p.
ID Numbers
Open LibraryOL200311M
LC Control Numbera 51007339

Stratigraphy of the marine Quaternary deposits in West Greenland.

Details stratigraphy of the marine Quaternary deposits in West Greenland. EPUB

book new stratigraphic framework is proposed for the Quaternary of a portion of central West Greenland, based primarily on faunal and geochronologic studies of shallow shelf deposits. Twenty‐four occurrences of pre‐Holocene deposits were already known in West Greenland and data from 18 new sites are presented, together with new information on some of the previously described by: Quaternary marine stratigraphy and geochronology in central West Greenland.

A new stratigraphic framework is proposed for the Quaternary of a portion of central West Greenland, based primarily on faunal and geochronologic studies of shallow shelf deposits. 14 C dates and the geological setting of Quaternary marine deposits from three sites in West Greenland indicate a pre-Holocene age.

The mollusc faunas at the sites are distinctly different, although all reflect influx of some subarctic water into Baffin Bay. The fauna from Patorfík is the most diverse subfossil Quaternary fauna known from Baffin by: Glacial and marine deposits associated with two phases of glaciation are exposed along a 60 km corridor on Ellesmere Island that borders Robeson Channel.

The oldest sediments, tentatively dated at ≥ 70 BP, were deposited during a major advance of the northwest Greenland ice sheet across Robeson by: The Quaternary is often referred to as the glacial age. The Quaternary is not the only geological timeg period durin which glaciation occurred; records of glaciation as old as Ga and glacial deposits of othel ager glacias have been reported from many parts of the world.

Nor was the Quaternary record exclusively glacial because were e ther. Whanganui Basin is a unique global archive—nowhere else in the world is there yet documented a shallow marine basinal sequence, exposed on land, which spans the entire Quaternary. Slow basin subsidence, coupled with glacio-eustatic sea-level fluctuations, has produced a ca.

2 km-thick basin fill of dominantly shallow marine sediments, representing all odd-numbered (high sea-level). The Quaternary stratigraphical collections comprise very rich collections of subfossil mollusc shells from our Quaternary sediments. The collections were created as a tool in stratigraphy and were quintessential for our growing knowledge about the succession of ice ages and interglacials, and the changing environments after the last ice age.

COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus.

Stratigraphy, facies analysis and chronology of Quaternary deposits at Capo S. Marco (Sinis Peninsula, west Sardinia, Italy) as are almost all the Tyrrhenian marine deposits found in Sardinia. They also rest on aeolian sediments, which, at San Giovanni di Sinis, were dated to MIS4 or Late MIS2 by OSL and radiocarbon dating of buried organic.

Most Quaternary sediments in North America north of 45 ON post-date the last deglaciation. This volume looks at those extensive deposits from the standpoints of timing, cause, and mechanism of the wastage of North American ice during the last deglaciation and the accompanying environmental changes in the nonglaciated and deglaciated areas.

The stratigraphic record is interpreted as the product of three marine events (Saunders Ø, Qarmat and Nuna, in decreasing age), during which marine sedimentation occurred on coastal areas now land, and three or four glacial events of decreasing age and ice cover (Agpat, Narsaarsuk, and Kap Abernathy/Wolstenholme Fjord), to which the marine events were glacio-isostatically related.

ABSTRACT. The retreat of a glacier front at Sukkertoppen, West Greenland, has been related by lichen size measurements to the lowering of the snow level in the accumulation region of the glacier. The altitudes of two Quaternary marine shell beds near Sukkertoppen have been measured and the shell fauna contained in them has been identified.

Ghosh S., Islam A. () Quaternary Alluvial Stratigraphy and Palaeoclimatic Reconstruction in the Damodar River Basin of West Bengal.

In: Das B., Ghosh S., Islam A., Ismail M. (eds) Neo-Thinking on Ganges-Brahmaputra Basin Geomorphology. The stratigraphical record in Northern England comprises glacial deposits overlain by extensive marine, estuarine and inter-tidal sediments along the low coastal margins of Lancashire, Morecambe Bay, the Solway Lowlands and adjacent parts of the Irish Sea basin, and by lake sediments, lowland moss basins and blanket upland peats.

The pollen stratigraphy of late Quaternary lake sediments of South-West Greenland. Want to read 30 Currently reading; Published by Grønlands geologiske undersøgelse: Eksp., C. Reitzel in København. Written in English Subjects: Places: Greenland, Frederikshåb. Subjects: Geology, Stratigraphic -- Quaternary.

The main objective of the Department of Stratigraphy is to describe and analyze the geological evolution of sedimentary basins and their resources in and around Denmark and Greenland.

Our work is based on data from deep wells and seismic surveys, as well as samples from wells and outcrops. Flow disturbances have been shown to alter stratigraphic order in the lower part of the ice sheet in central Greenland. Vertical thin sections of the Greenland Ice Sheet Project 2 ice core show that in the lower 30%, the expected c axis‐vertical fabric is interrupted by planes of grains (“stripes”) with c axes oriented approximately in the dip directions of the planes.

Nomenclature of stratified successions in current use Compiled by: W. Stuart Watt This lexicon describes named stratified stratigraphic units considered in current use in Greenland at the end of The units are grouped chronologically into 17 sedimentary basins ranging in age from Palaeoproterozoic to Palaeogene.

The few Neogene–Quaternary units and the units described from boreholes. Evidence is presented to show the influence that Sedimentation patterns and environmental conditions have had on the geotechnical properties of Quaternary Sediments in the Scottish offshore area.

An understanding of the three-dimensional structure of the Quaternary deposits greatly aids regional geotechnical studies which need to be undertaken before evaluating site specific problems.

Late Quaternary stratigraphy of the muddy tidal deposits, west coast of Korea (Yong Ahn Park, Kyung Sik Choi). Saltmarshes in the West Solent (southern England): their morphodynamics and evolution (Xiankun Ke, M.

Collins). Tidal dynamics in two contrasting muddy coastal environments - Jiangsu and The Wash (Xiankun Ke). PART A: Molluscan fossils are locally abundant at outcrops of Upper Cretaceous rocks in eastern North and South Dakota, northeastern Nebraska, northwestern Iowa, and western and northern Minnesota.

Other Cretaceous mollusks have been found in the glacial deposits in Minnesota, Iowa, and Illinois. The oldest well dated marine mollusks are of earliest late Cenomanian age and occur in.

Quaternary Environments Eastern Canadian Arctic, Baffin Bay and Western Greenland. Next. Quaternary Environments Eastern Canadian Arctic, Baffin Bay and Western Greenland.

Deglaciation and meltwater events in hudson strait and the. From the geological point of view, stratigraphy is all about layering, sequencing, composition, age and distribution of sediments and layered rocks. Stratigraphy can give us information about the sequence of the development of life, glacial history, landscape development, and much more.

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The main principle is that younger layers remain piled over older lays, assuming they have not been disturbed. The Paleobiology Database lists no known fossiliferous stratigraphic units in Dominica, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines. The database also records no fossiliferous stratigraphic units within several regions of the Caribbean like the Archipelago of San Andrés, Providencia and Santa Catalina, Guadeloupe.

Quaternary Environments Eastern Canadian Arctic, Baffin Bay and Western Greenland. jylip. Quaternary Environments - Eastern Canadian Arctic, Baffin Bay and.

Stratigraphy, lithology, and sedimentary features of Quaternary alluvial deposits of the South Platte River and some of its tributaries east of the Front Range, Colorado.

Description stratigraphy of the marine Quaternary deposits in West Greenland. EPUB

Professional Paper By: David A. Lindsey, William H. Langer, and Daniel Stratigraphy, lithology, and sedimentary features of Quaternary alluvial deposits of the South. The mountains and fjords of Greenland preserve a record of nearly four billion years of Earth history - a story of mountain building, volcanic eruptions, primitive life and ice ages.

During the vast period of time, through processes of continental drift, Greenland has journeyed from the southern hemisphere through the tropics to its present polar position. Life in lakes and fossils in lacustrine deposits. Recognition of lacustrine facies. 11 The marine realm: morphology and processes.

Divisions of the marine realm. Tides. Wave and storm processes. Thermo-haline and geostrophic currents. Chemical and biochemical sedimentation in oceans. Marine fossils. The Description & Analysis of Quaternary Stratigraphic Field Sections Issue 7 of Quarternary Research Association technical guide, ISSN Issue 7 of Technical guide, ISSN Volume 7 of Technical guide: Quaternary Research Association: Editors: Jane Hart, Maurice E.

Tucker, Alison P. Jones: Contributor: Quaternary Research. About this book. The second revised edition of the Encyclopedia of Quaternary Science, provides both students and professionals with an up-to-date reference work on this important and highly varied area of are lots of new articles, and many of the articles that appeared in the first edition have been updated to reflect advances in knowledge sincewhen the original.Quaternary Environments Eastern Canadian Arctic, Baffin Bay and Western Greenland.

Quaternary Environments - Eastern Canadian Arctic, Baffin Bay and. Most of the deposits are Quaternary in age, but deposits associated with a few topographically high erosion surfaces are late Tertiary in age. The relative ages of some of the deposits are unknown, but the bouldery deposits in the extreme northwestern part of the mapped area are the oldest; the alluvial fill of the present stream system and the.