Logging the Chalk.

Intro -- Contents -- Preface and Acknowledgements -- Introduction -- 1 Describing, classifying and interpreting the Chalk for engineering purposes -- Equipment for logging, eningeering description and classification -- Describing chalk sediments -- Carbonate content and density measurements -- Recognising and describing chalk beds -- Recognising and describing phosphatic chalks -- Recognising and describing marly chalks and marl seams -- Recognising and describing flints and flint bands -- Synsedimentary and immediately post-sedimentary structures -- Using fossils as an aid to logging -- Illustrations to Chapter 1 -- 2 A stratigraphic framework for the Chalk: Southern Province -- Regional setting -- Southern Province Chalk Group -- Grey Chalk Subgroup -- White Chalk Subgroup -- Illustrations to Chapter 2 -- 3 A stratigraphic framework for the Chalk: Transitional Province -- Regional setting -- The Berkshire Downs and Chiltern Hills -- Grey Chalk Subgroup -- White Chalk Subgroup -- Correlation framework from the Chiltern Hills to East Anglia -- Marker beds in the Chalk beneath London -- East Anglia -- Illustrations for Chapter 3 -- 4 Chalk formations and marker beds in the Northern Province of England, onshore and offshore -- Regional setting -- Northern Province Chalk stratigraphy -- Grey Chalk Subgroup -- White Chalk Subgroup -- Key coastal exposures and weathered profiles -- North Sea Chalk formations: near-offshore Norfolk to Yorkshire -- Weathering and reworking of the Chalk in the immediate offshore -- Illustrations for Chapter 4 -- 5 Central Graben and Northern North Sea Chalks -- Regional setting -- Stratigraphy of the Chalk in the North Sea -- Distributions of formations in the UK sector, Central and Northern North Sea -- Lithostratigraphic units -- Describing North Sea Chalks -- North Sea lithogies and core log representation.

Illustrations from Chapter 5 -- 6 Logging the Chalk: styles of weathering found in core and field sections -- When should chalk be described as weathered? -- Discoloured chalk -- Smell -- Mechanical breakdown, fracturing and CIRIA grade -- Influence of geological setting on weathering of the Chalk -- Chalk-Palaeogene contact surface -- Chalk beneath the Quaternary -- Shallow karst weathering in the Chalk -- Deeper karst in the Chalk -- Illustrations from Chapter 6 -- 7 The future -- Introduction -- Types of camera log: the optical televiewer and the acoustic televiewer -- Geophysical borehole wireline logs -- Formation property logs -- Discussion -- Conclusions -- Illustrations for Chapter 7 -- References -- Further reading -- Appendix A: Chalk weathering grades -- Appendix B: Describing flint sizes -- Flint size -- Flint type -- Index.

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Electronic reproduction. Ann Arbor, Michigan : ProQuest Ebook Central, 2024. Available via World Wide Web. Access may be limited to ProQuest Ebook Central affiliated libraries.