معرفی و دانلود کتاب
Chapter 1. Introduction 5
Why study clastic sedimentology? 5
About this book 6
Comprehensive sedimentology textbooks 7
Chapter 2. Grain Texture 8
Introduction 8
Grain Size 8
Volume 8
Linear dimensions 9
Direct measurement 9
Sieving 10
Settling velocity 10
Stoke's Law of Settling 11
Grade scales 14
Displaying grain size data 16
Describing grain size distributions 18
Median 18
Mean 19
Sorting coefficient 19
Skewness 20
Kurtosis 20
Paleoenvironmental implications 20
Why measure grain size? 22
Grain Shape 22
Roundness 22
Wadell 22
Dobkins and Folk 22
Power's visual comparison chart 22
Sphericity 23
Wadell 23
Sneed and Folk 24
Riley 24
Clast form 24
Significance of grain shape 25
Source rock 25
Transport 25
Porosity and Permeability 28
Porosity 28
Controls on porosity 28
Packing density 28
Grain size 29
Sorting 30
Post-burial processes 30
Compaction 30
Cementation 30
Clay formation 30
Solution 31
Permeability (Darcy's Law) 31
Controls on permeability 34
1
Porosity and packing 34
Grain size and sorting 34
Post-burial processes 35
Directional variation in permeability 36
Grain Orientation 36
Introduction 36
Measuring grain orientation 36
Types of grain fabric 37
Isotropic fabric 37
Anisotropic fabric 37
a(t)b(i) 38
a(p)a(i) 38
Complex anisotropic fabric 38
The problem with measuring grain orientation on thin sections 39
Displaying directional data 39
Statistical treatment of directional data 42
Interpretation of grain orientation 44
Chapter 3. Classification of terrigenous clastic rocks 47
A fundamental classification of sediments 47
Terrigenous clastic sediments 49
Classification of sandstone 49
Basis of the classification 49
Genetic implications 52
Level of classification 54
Classification of rudite 54
Classification of lutite 54
Chapter 4. Unidirectional fluid flow and sediment transport 55
Introduction 55
Unidirectional fluid flows 55
Flow between two plates 55
Fluid gravity flows 56
Classification of fluid gravity flows 58
Shear stress and velocity in turbulent flows 59
Structure of turbulent flows 61
Organized structure of turbulent flows 63
Sediment Transport 66
Modes of transport 66
Quantitative interpretation of grain size curves 67
Threshold of movement 67
Threshold of grain suspension 71
Chapter 5. Bedforms and stratification under unidirectional flows 74
Introduction 74
Bedforms under unidirectional flows 74
Terminology 74
The sequence of bedforms 75
Bedform stability fields 85
Cross-stratification formed by bedforms under unidirectional flows 88
Terminology 88
2
Origin of cross-stratification 90
Cross-stratifcation produced by asymmetrical bedforms 95
Ripple cross-lamination 96
Cross-stratification formed by dunes 97
Upper plane bed horizontal lamination 99
In-phase wave stratification 101
Chapter 6. Flow, bedforms and stratification under oscillatory and combined flows 102
Introduction 102
Characteristics of gravity waves 102
Bedforms and stratification under purely oscillatory currents 105
Initiation of motion 105
Bedforms under waves 106
Stratification formed by oscillatory currents 109
Bedforms and stratification under combined flows 113
The enigma of hummocky cross-stratification 114
HCS - description and associations 116
Characteristics of HCS 116
Grain size 116
Morphology and geometry 116
HCS associations 118
Discrete HCS sandstone 118
Amalgamated HCS sandstone 119
The HCS debate 119
Experimental evidence 121
Evidence based on grain fabric 121
The origin of HCS? 122
Conclusion 124
Appendix 1. 125
Appendix 2. 127
References
کانال تلگرامی بوک تیپس، کانالی با موضوع کتاب، مطالعه، جملات اخلاقی و تربیتی، سخنان بزرگان.