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Orbital Forcing Timescales and Cyclostratigraphy

Product Code: SP085
Series: GSL Special Publications
Author/Editor: Edited by M.R. House and A.S. Gale
Publication Date: 07 March 1995
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Description

Special Publication 85.

The metronomic variations of the Earth-Moon system and of the Earth-Sun orbital patterns produce gravitational and temperature effects that alter the physical environment on the Earth's surface. These give an interpenetrating effect of forcing cycles ranging from twice-daily tides, day-night alternations, various tidal patterns and the annual solar pattern. All of these have been used palaeontologically to give precision to short-term age determination in the past. 

It is cycles of the Milankovitch band that are showing promise of enabling new practical timescales to be established for parts of the geological record. These depend on changes in the Earth­Sun distance and changes in the tilt of the Earth's axis with respect to the Earth's orbit round the Sun. There is increasing evidence that small-scale sedimentary rhythmic couplets may represent the effect of such changes. The disentangling of the interpenetrating cycles to produce an orbital forcing timescale is an exciting problem and challenge for palaeobiology and sedimentology. These should enable numerical dates to be given to bio- and chronostratigraphical timescales and eventually enable many Earth processes to be analysed in real time. 

The papers in this volume represent major new developments in sedimentological, palaeontological, geochemical and stratigraphical research being undertaken in this field.
 

Type: Book
Ten Digit ISBN: 1-897799-23-3
Thirteen Digit ISBN: 978-1-897799-23-9
Publisher: GSL
Binding: Hardback
Pages: 204
Weight: 0.59 kg

Contents

Preface • HOUSE, M. R. Orbital forcing timescales: an introduction • KELLY, S. B. & SADLER, S. P. Equilibrium and response to climatic and tectonic forcing: a study of alluvial sequences in the Devonian Munster Basin, Ireland • HOUSE, M. R. Devonian precessional and other signatures for establishing a Givetian timescale WEEDON, G. P. & READ, W. A. Orbital-climatic forcing of Namurian cyclic sedimentation from spectral analysis of the Limestone Coal Formation, Central Scotland • MOSES, G. P. G. Calibration, analysis and interpretation of depositional cycles in the Early Toarcian of Yorkshire, UK • W ATERHOUSE, H. K. High-resolution palynofacies investigation of Kimmeridgian sedimentary cycles • V ALDES, P. J., SELLWOOD, B. W. & PRICE, G. D. Modelling Late Jurassic Milankovitch climate variations • COTILLON, P. Constraints for using high-frequency sedimentary cycles in cyclostratigraphy • GIRAUD, F., BEAUFORT, L. & COTILLON, P. Periodicities of carbonate cycles in the Valanginian of the Vocontian Trough: a strong obliquity control • QUESNE, D. & FERRY, S. Detailed relationships between platform and pelagic carbonates (Barremian, SE France) • GALE, A. S. Cyclostratigraphy and correlation of the Cenomanian Stage in Western Europe • FiSCHER, A. G. Cyclostratigraphy, Quo Vadis? • Index 

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