Phosphate Deposits of the World Volume 3: Neogene to Modern Phosphorites

About this book

It has recently been recognised that marine phosphorites, the principal raw material for phosphatic fertilizers, do not occur uniformly through time and space. The origin of these unusual sedimentary rocks appears to be related mainly to marine biological productivity, often associated with upwelling currents during certain intervals of geological time. This book examines the environmental setting and resulting phosphorites which formed during the Miocene, one of the major and most recent phosphogenic periods throughout the geologic record. In addition, an oceanographic perspective is given by investigations of modern oceanic environments where phosphorites are presently forming. Together, the geologic and marine approaches provide a complete outlook on this important mineral resource. This book is the third of four planned reference volumes which together will cover the achievements of the International Geological Correlation Programme Project 156 (Phosphorites) during the ten years of the project's existence.

Contents

Part I. The Modern Setting; Part II. Modern and Neogene Phosphorites and Associated Sediments; Part III. The Neogene Environment; Part IV. Neogene Phosphorites of California and the Southeastern USA; Part I. Stratigraphic framework for cyclical deposition of Miocene sediments in the Carolina Phosphogenic Province S. R. Riggs, Stephen W. Snyder, Scott W. Snyder, and A. C. Hine; 30. Carolina continental margin; Part II. The seismic stratigraphic record of shifting Gulf Stream flow paths in response to Miocene glacio-eustacy; Part III. Patterns of phosphate deposition and lithofacies relationships within the Miocene Pungo River Formation, North Carolina continental margin S. R. Riggs and P. M. Mallette; 32. Carolina continental margin; .

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