The Jurassic rocks of the neighbourhood of Cambridge : being the Sedgwick prize essay for 1886
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書誌事項
The Jurassic rocks of the neighbourhood of Cambridge : being the Sedgwick prize essay for 1886
（Cambridge library collection, . Cambridge）
Cambridge University Press, 2009
- : pbk
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注記
"This digitally printed version 2009"--T.p. verso
Facsim. of ed. published: Cambridge : Cambridge University Press, 1892
Includes bibliographical references (p. 1-3) and index
内容説明・目次
内容説明
Cambridgeshire is rich in Jurassic fossils, with ichthyosaurs having been found at Mepal and Barrington since 2000, and ammonites and belemnites occurring near Grafham Water. In the later nineteenth century, Thomas Roberts, an assistant to the Professor of Geology at Cambridge, was involved in close study of the Jurassic rocks of the district. Despite the complexity arising from troublesome local geologic discontinuities, Roberts correlated the paleontological record in the Jurassic rocks of East Anglia with that of other British and European areas. It was this kind of careful and systematic work that provided the foundation for the modern understanding of the Jurassic period and the mass extinctions at the end of the Mesozoic era. Roberts's essay was originally published posthumously in 1892, and is now reissued for a new generation of geologists and fossil-hunters.
目次
- Preface
- 1. List of works on the Jurassic Rocks of the neighbourhood of Cambridge
- 2. Introduction and history
- 3. Oxford Clay
- 4. Lower calcareous grit
- 5. Ampthill clay
- 6. The corallian rocks of Upware
- 7. Kimeridge clay
- 8. Correlation with other English deposits
- 9. Correlation with the foreign deposits
- Index.
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