CONTENTS. 



PART I. 



THE GEOLOGY OF NORTHERN AFGHANISTAN : BY H. H. 

 HAYDEN, DIRECTOR, GEOLOGICAL SURVEY OF INDIA. 

 (With 20 plates). 



Page. 



Chapter I. — Introductory 1 



Chapter II. — Stratigraphical — 



Metamorphic and Crystalline series . . . 11 



Khingil series ....... 21 



Kalu series ........ 23 



Hajigak limestone and hematite .... 24 



Helmand series ....... 25 



Fusulina limestone serios ..... 26 



Doab series ....... 28 



Saighan series ....... 30 



Red Grit series ....... 34 



Cretaceous system ...... 35 



Tertiary system ....... 37 



Pleistocene c ...... , 39 



Chapter III. — Descriptive — 



The Kabul river-valley below Jalalabad . . 40 



The Siah Koh and neighbouring valleys . . 41 



The Lataband and the Kabul Plain . . , 43 



Koh-i-Daman and Ghorband ..... 46 



Bamian ........ 52 



Saighan and Kahmard ..... 57 



Upper Helmand and Kabul valleys . . . 71 



Chapter IV. — Geological History of Afghanistan ... 73 



Chapter V. — Summary 80 



Bibliography 82 



Geographical Index 85 



Index of Subjects 93 



