A Reassessment of the Southern Ocean Biochronology by Anthony T. S. Ramsay PDF

By Anthony T. S. Ramsay

ISBN-10: 1862390274

ISBN-13: 9781862390270

The built-in strategy utilized within the research presents a reassessment of the stratigraphy formerly validated for the 18 holes which were re-examined. The authors set out the present realizing of Southern Ocean biochronology and provides a synthesis of biostratigraphical and polarity info from prior paintings. the amount could be a invaluable reference for analyzing the palaeoceanography, climatic heritage and tectonic evolution of the Southern Ocean. It additionally offers a framework for courting oceanography and sedimentary occasions which are used as proxies for examining the glacial background of Antarctica. Paperback additionally to be had: fiscal and Palaeoceanographic importance of Contourite Deposits - precise booklet no 276 - ISBN 1862392269 the appliance of Ichnology to Palaeoenvironmental And Stratigraphic research (Geological Society specific book) - ISBN 1862391548 The Geological Society of LondonFounded in 1807, the Geological Society of London is the oldest geological society on the earth, and one of many greatest publishers within the Earth sciences.The Society publishes a variety of top quality peer-reviewed titles for teachers and pros operating within the geosciences, and enjoys an enviable overseas attractiveness for the standard of its work.The many components during which we put up in include:-Petroleum geology-Tectonics, structural geology and geodynamics-Stratigraphy, sedimentology and paleontology-Volcanology, magmatic reviews and geochemistry-Remote sensing-History of geology-Regional geology courses

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Extra info for A Reassessment of the Southern Ocean Biochronology (Geological Society Memoir 18)

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I . . . i ............................. . . . . . . . . ~..................................................................................................................... ) a 60 Fig. 14. A revised age-depth plot for DSDP Hole 690B utilizing the biostratigraphical and polarity reversal events identified in this study and calibrated to the GPTS of Cande & Kent (1995). See Fig. 5 for legend of symbols. Four stratigraphical breaks (dashed line) are based on the results of this study.

35 ~ 40 . . . : c, 40 E ID_ ID C3 60 ..................................................................................................................... i.................................... ~ .......................................................................... Fig. 12. An age depth plot for DSDP Hole 690B utilizing the previously used biostratigraphical datums and polarity reversal interpretation calibrated to the GPTS of Cande & Kent (1995). See Fig. 5 for legend of symbols.

28mbsf. 07mbsf). 29 mbsf ). This second unconformity spans approximately 5 million years. 19 mbsf and represents about 2 million years. 47 mbsf). 37mbsf) is a potentially useful marker in this interval. This unconformity replaces two unconformities previously identified by Gersonde & Burckle (1990). 37mbsf and partitions the top of Chron C6An. 86mbsf) to the top of C17n. 77 mbsf ). 73mbsf occur within the lower part of this sequence. This oldest unconformity corresponds to an unconformity of similar age and depth identified by Spiess (1990) and Gersonde & Burckle (1990).

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A Reassessment of the Southern Ocean Biochronology (Geological Society Memoir 18) by Anthony T. S. Ramsay


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