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Quantitative Geology of Late Jurassic Epicontinental Sediments in the Jura Mountains of Switzerlandby Reinhart Gygi
Synopses & Reviews
The book summarizes about 40 years of the author's research on sedimentary geology in an epicontinental (shelf) sea during the Late Jurassic in northern Switzerland. It presents a synopsis of the interplay of varying paleoclimate, of sea level variations, of varying water depth, of sea floor topography, of vertical and lateral facies changes, of processes of sedimentation like aggradation and progradation, of compaction, of the great regional differences in rates of sedimentation and in isostatic equilibration of the lithosphere under load, and of concomitant synsedimentary tectonics. Regional variation in isostatic adjustment of the lithosphere to the increasing load of sediments is analyzed by means of time correlations based on a detailed biochronology of ammonites in combination with mineral stratigraphy using the comparatively stable clay mineral kaolinite, and with sequence stratigraphy.
This book summarizes decades of research by the author on the sedimentary geology in the epicontinental (shelf) sea of the Late Jurassic period in northern Switzerland. It covers a plethora of features including vertical and lateral facies changes.
Table of Contents
1 Previous Work.- 2 What can be measured, calculated, or be quantified by comparison.- 3 Paleogeography and paleoclimate.- 4 Sedimentation.- 5 Sea level variations.- 6 Hermatypic coral assemblages: growth form, spatial distribution, and paleobathymetry.- 7 Age and time correlation of sediments.- 8 Rates of sedimentation varying between positive (net), zero, and negative (erosion).- 9 Subsidence.- 10 Synsedimentary tectonics.- 11 Discussion and conclusions.- 12 Main conclusions.- References.
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