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3 results on '"Herve Chamley"'

1. Clay Sedimentology

Author

Herve Chamley and Herve Chamley

Subjects
Sedimentology, Geology, Oceanography, Mineralogy, Geography
Abstract

Clay Sedimentology is a comprehensive textbook divided into six parts: - clay minerals and weathering - clay sedimentation on land - origin and behaviour of clay minerals and associated minerals in transitional environments (estuaries, deltas) and shallow-sea environments - diverse origins of clay in the marine environment - post-sedimentary processes intervening during early and late diagenesis - use of clay stratigraphic data for the reconstruction of past climate, marine circulation, tectonics, and other paleogeographical aspects. A basic idea on most topics dealing with sedimentary clays is presented and controversial data and uncertainties from the frontiers of knowledge are discussed.

Published
2013

2. Sedimentology

Author

Herve Chamley and Herve Chamley

Subjects
Sedimentology
Abstract

Sedimentology is an easily readable textbook for undergraduate students, devoted to the main factors of sedimentation and to sedimentary environments. The basic vocabulary and the main processes are presented in a very attractive form. The presentation of sedimentary processes is illustrated by many examples. While most cases are related to present day sedimentation, a few applications to past sedimentary environments are also supplied for each considered topic.

Published
2012

3. Paleoclimatic Record of a Long Deep Sea Core from the Eastern Mediterranean

Author

Christian Robert, Sara D'Onofrio, Neri Ciaranfi, Colette Vergnaud-Grazzini, Herve Chamley, and Maria Bianca Cita

Subjects
Mediterranean climate, 010506 paleontology, 010504 meteorology & atmospheric sciences, Pleistocene, biology, Micropaleontology, Sapropel, biology.organism_classification, 01 natural sciences, Deep sea, Paleontology, Arts and Humanities (miscellaneous), General Earth and Planetary Sciences, Glacial period, Quaternary, Geology, Globigerinoides, 0105 earth and related environmental sciences, Earth-Surface Processes
Abstract

A deep-sea core over 16 m long from the crestal area of the Mediterranean Ridge has been investigated with different techniques, including quantitative micropaleontology, stable isotopes (measured on the epipelagic species Globigerinoides ruber and on the mesopelagic species Globorotalia inflata), and clay mineralogy. The resulting record of climatic fluctuations can be cross correlated to other Mediterranean cores by means of isochronous lithologies (tephra layers and sapropels). The climatic record of the Mediterranean is similar in character, phase, and chronology to the records investigated in the equatorial Pacific and in the Caribbean. Isotope stages 1 to 17 have been recognized. Cyclically repeated stagnant cycles resulting in sapropel deposition complicate both the isotopic and the faunal signal. The isotopic investigations reveal that the temperature change in the surface layers of the eastern Mediterranean was no greater than 8°C in the late “glacial” Pleistocene. The chronostratigraphic and biostratigraphic interpretation of Core KS09 indicate that the mean sedimentation rate was 2.4 cm/1000 years, a value very close to the 2.5 cm/1000 years calculated for the entire Quaternary section at DSDP Site 125, also located in the crestal area of the Mediterranean Ridge in the Ionian Basin. The base of KS09 is likely to be very close to the Brunhes/Matuyama boundary dated at 0.7 my.

Published
1977

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