CONTENTS 



Pase 



Title page i 



Abstract iii 



Table of contents v 



List of illustrations v 



Introduction 1 



Purpose 1 



Location and physical characteristics 1 



Geological setting 2 



Previous work 2 



Procedures 4 



Field methods 4 



Laboratory methods 4 



Statistical methods 5 



Results 6 



Color 6 



Texture 6 



Mineralogy 7 



Vertical distribution of nondetrital iron and manganese 7 



Regional distribution of nondetrital iron and manganese 7 



Discussion 8 



Conclusions 12 



Acknowledgment 13 



References 13 



Illustrations 16 



Tables 27 



Illustrations 



Figure Page 



1. Physiography and circulation pattern of the Kara Sea 16 



2. Redox potential and pH in two KNIPOVICH cores 



from the Kara Sea 17 



3. Station locations and bathymetry 18 



4. Color variations with depth in 10 cores from the 



northern Kara Sea 19 



5. Color variations and distribution of gravel, sand, silt and 



clay with depth in cores from stations E-8 and E-11 



( Svyataya Anna Trough) 20 



6. Color variations and distribution of gravel, sand, silt and 



clay with depth in cores from stations E-21, E-22, E-25, 



and E-26 ( East Novaya Zemlya Trough) 21 



7. Color variations and distribution of gravel, sand, silt and 



clay with depth in cores from stations E-28, E-29, E-30, 



E-31 (East Novaya Zemlya Trough) 22 



8. Distribution of nondetrital iron and manganese and color 



in core E-26 and N-148 23 



9. Percent Nondetrital iron in surface sediments 



(Linear trend surface) 24 



