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Valery A. Krasheninnikov; Denis I. Golovin; Vladimir I. Mouravyov:

The Paleogene of Syria - Stratigraphy, Lithology, Geochronology

Collaborator: Roweida Helou

1996. 136 pages, 48 figures, 23 tables, 17x24cm, 350 g
Language: English

(Geologisches Jahrbuch Reihe B, Band B 86)

ISBN 978-3-510-96260-0, paperback, price: 17.00 €

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Contents

Contents top ↑

1 Introduction 5

2 The Main Features of the Geological Structure of Syria and its
Paleogene Deposits 7
2.1 Tectonic subdivision of Syria 7
2.2 The Paleogene stratigraphy of Syria 12
2.2.1 Paleocene 13
2.2.1.1 Regional features of the Syrian Paleocene 24
2.2.1.1.1 The Danian Stage regional features 25
2.2.1.1.2 The Selandian Stage regional features 26
2.2.1.1.3 The Thanetian Stage regional features 27
2.2.2 Eocene 29
2.2.2.1 Lower Eocene 29
2.2.2.2 Middle Eocene 35
2.2.2.2.1 The Lutetian Stage regional features 36

2.2.2.2.2 The Bartonian Stage regional features 39
2.2.2.3 Upper Eocene 42
2.2.3 Oligocene 45
2.3 Lithologic-facies outline of the Syrian Paleogene 46
2.3.1 Formations of the Paleogene deposits of Syria 48
2.3.2 The mineral composition of the carbonate rocks 54
2.3.3 Distribution of flints (charts) and mineral paragenesis 55
2.4 The geologic development of Syria during the Paleogene 62
3 Geochronology of the Paleogene Deposits of Syria 65
3.1 Glauconite-bearing horizons of the Paleogene of Syria 65
3.1.1 Main features of the glauconite horizons 65
3.1.2 Mineral composition of glauconite-phosphorite sands 78
3.1.3 Mineral composition of glauconite-containing marls (slide rocks) 90
3.1.4 Mineral composition of the condensed sediments 91
3.2 Isotopic systems of glauconites from the Paleogene deposits of
Syria 91
3.2.1 Methods of investigation of geological objects and preparation
of glauconite for mass-spectrometric analyses 91
3.2.1.1 Methods of K-Ar measurements 93
3.2.1.2 Methods of Rb-Sr studies 93

3.2.1.3 Methods of studying 613C, 6180, and ED 94
3.2.2 Isotopic dating of the Syrian Paleogene glauconites 95

3.2.2.1 The Planorotalites pseudomenardii Zone (Upper Paleocene) 96
3.2.2.2 The Acarinina pentacamerata Zone (Lower Eocene) 97
3.2.2.3 The Globigerapsis semiinvoluta Zone (Upper Eocene) 104
3.2.3 Diverging K-Ar and Rb-Sr datings by glauconite fractions
from the Paleogene sediments of Syria 107
3.2.4 Geochemistry of stable isotopes of glauconites and
glauconite-bearing horizons of the Paleogene of Syria 117
3.2.4.1 6180 and ED in glauconites 117
3.2.4.2 6180 and 813C in carbonates 123
3.3 The geochronologic scale of the Paleogene 123
4 References 129