CONTENTS -- PREFACE -- A CKNO WLEDGEMENTS -- A MANUAL OF GEOLOGYFOR CIVIL ENGINEERS -- CHAPTER 1: BASIC CONCEPTS INGEOLOGY AND THEIRRELEVANCE IN CIVILENGINEERING -- 1.1 Plate Tectonics -- 1.2 Uniformitarianism -- 1.3 Superposition -- 1.4 The Geochemical Cycle -- 1.5 Geological Time and the Stratigraphic Column -- 1.6 Geomorphic Systems -- 1.7 Thresholds and Uniformity of Natural Systems -- Example 1 - shearing strength of materials -- Example 2 - stream flow -- 1.8 Magnitude and Frequency of Forces in Geomorphic Processes -- 1.9 Equilibrium of Geological Processes and their Disturbanceby Engineering Activity -- Example 1 -- Example 2 -- Example 3 -- Example 4 -- Example 5 -- CHAPTER 2: ROCKS, THEIR COMPOSITION,IDENTIFICA TION ANDPROPERTIES -- 2.1 Igneous Rocks -- 1 Classification of igneous rocks -- 2 Control over the form of igneous rocks -- Volcanics -- (a) Lava Flows -- (b) Pyroclastics -- Intrusives -- (a) Sheet forms -- (b) Lensoid forms -- (c) Large intrusions -- 2.2 Sedimentary Rocks -- 1 Sedimentation -- 2 Sedimentary fades -- 3 Diagenesis -- 4 Diagenetic effects -- 2.3 Sandstones -- 1. Pure Clay -- 2. Pure quartz sand -- 3. Pure Limestones -- 2.3 Sandstones -- 1 Distinguishing features of sandstones -- 2 Classification of sandstones -- 3 Clean sandstones -- 4 Dirty sandstones -- 5 Feldspathic sandstones -- 2.4 Mudrocks -- 2.5 Carbonate Rocks -- 1 Terminology and classification of carbonate rocks -- 2.6 Metamorphic Rocks -- 2.7 Classification of Rocks -- 1 The use of feldspars in rock classifications -- Igneous rocks -- Metamorphic rocks -- Sedimentary rocks -- 2.8 Identification of Rocks -- 1 Identification of igneous rocks -- 2 Identification of sedimentary rocks -- 3 Identification of metamorphic rocks -- Common textures of metamorphic rocks -- 2.9 Some Engineering Properties of Rocks -- 2.10 Elastic Properties of Roeks.

1 Moduli of elasticity -- 2 Geological influences on the elastic behaviour of rocks -- 3 Poisson's ratio -- 2.11 Strength Properties of Rocks -- 1 Factors controlling the strength of rocks -- 2.12 The Development of Index Properties of Rocks -- CHAPTER 3: THE GEOMETRY, DESCRIPTIONAND PROPERTIES OF ROCKMASSES -- 3.1 Folds -- 1 Geometry of folding -- 3.2 Structural Discontinuities -- 1 Faults -- 2 Rock cleavage -- 3 Joints -- 4 Unconformities -- 3.3 Shear Strength of Discontinuities -- 1 Influence of surface roughness on shear strength -- 2 Shear strength along actual joints -- 3 Determination of / -- 4 Apparent cohesion due to surface roughness -- 5 Peak and residual strength -- 6 Shear strength of filled discontinuities -- 3.4 Residual Stress -- 1 Gravitational stresses -- 2 Latent stresses -- 3.5 Sheet Joints -- CHAPTER 4: WEATHERING, EROSION,TRANSPORTA TION ANDDEPOSITION -- 4.1 Weathering and its Significance in Geotechnical Engineering -- 1 Weathering processes -- 2 Weathering and weatherability -- 3 Weathering in humid tropical climates -- 4 Tests to assess weatherability -- 4.2 Engineering Classification of Weathered Rock -- 4.3 Erosion -- CHAPTER 5: SOIL PARTICLES, SOIL FABRICSAND SOIL STRUCTURES -- 5.1 Non-cohesive Particles -- 5.2 Cohesive Particles -- 1 Silts -- 5.3 Clay Fabrics -- 5.4 Soil Structures -- 5.5 The Description of Engineering Soils -- CHAPTER 6: GEOLOGICAL ANDGEOTECHNICAL MAPS -- 6.1 Geological Maps and Strike Lines -- 6.2 Three Point Problems -- 6.3 Interpretation of Geological Maps -- 6.4 Geotechnical Mapping -- 1 Stratigraphical mapping -- 2 Structural mapping -- 3 Geomorphological mapping -- 4 Hydrogeological mapping -- 5 Geomechanical mapping -- 6 Mapping the effects of man -- CHAPTER 7: LOGGING ROCKS FORENGINEERING PURPOSES -- 7.1 Logging of Rock Cores -- 1 General requirements of a borehole log.

2 Information to be recorded -- 3 Information to be recorded on the borehole log -- 4 State of recovery of core -- 7.2 Descriptive Geology -- 7.3 The Description of Rock Masses for Engineering Purposes -- 1 Rock material description -- 2 Rock material indices -- 3 Rock mass indices -- 7.4 Discontinuities -- 1 Weathering and altered state -- 2 Discontinuity spacing in three dimensions -- 7.5 Techniques for Carrying out Classification Tests -- 7.6 Techniques for Obtaining Data -- 1 Observations -- 2 Discontinuity surveys -- 3 Recording and presentation of data -- 7.7 Processing Discontinuity Data -- REFERENCES -- INDEX.