From Greenhouse to Icehouse Author:Elizabeth Nesbitt The marine Eocene-Oligocene transition of 4934 million years ago was a critical turning point in Earth´s climatic history, when the warm, high-diversity "greenhouse" world of the early Eocene ceded to the glacial, "icehouse" conditions of the early Oligocene. This book surveys the advances in stratigraphic and paleontological research and isoto... more »pic analysis made since 1989 in regard to marine deposits on the coasts of North America. In particular, the book summarizes the high-resolution details of the so-called "doubthouse" interval, which is critical to testing climatic and evolutionary hypotheses about the Eocene deterioration.« less