551.46083 / p.o

The Ocean Floor

Hans Pettersson

Contents

<!--The Oceans and Their History

<!--Envisaging the Past and Future

<!--Exploring the Ocean Floor

<!--The Sediment Carpet and the Substratum

<!--Recent Developments in the Investigation of the Deep Ocean Floor

<!--The Deep-Sea Deposits and Their Stratigraphy

<!--Recent Investigations on the Stratigraphy of Deep-Sea Sediments

<!--Deep-Sea Radium and the Geochronology of the Ocean Floor

<!--The Bottom Waters of the Ocean and Their Movements

<!--[if !supportLists]-->10.  Life In Great Depths

Prep./ Fatma Essam

Manage./ Huda Hosny