iv CONTENTS. 



Fig. 7. Diagrammatic section showing unconformity and horizontal 

 veins of eruptive mud in upper miocene sandstone near wells 

 Nos. 530 and 541 84 



„ 8. Diagram showing arrangement of the intersecting folds in the 

 Kodoung petroliferous tract. 



„ 9. Oil well diggers, Yenangyoung Oil-field . . . • 169 



LIST OF PLATES. 



Frontispiece : Yenangyoung Oil-field, Twingon Area, Looking North. 



Plate I. Southern Group of Mud Volcanoes, Minbu, in 1889, Looking North. 

 „ II. Do. do. Mud Volcano 



No. 5, Look- 

 ing East. 

 „ III. Do. do. in 1895, Mud Volcano 



No. 5, Looking East. 

 „ IV. Do. do. in 1889, Looking North. 



„ V. Mud Stream on No. 5 Mud Volcano. 



VI. Do. do. 



„ VII. Do. do. 



„ VIII. Veins of intrusive mud in the Berne ravine. 

 „ IX. Yenangyoung Oil-field. View of the eastern slope of the Ayat- 



poyo. 

 „ X. Yenangyat Oil-field. View of the eastern slope of the Taungsin 



Range near Yenangyat. 

 „ XI. Map of the Distribution of the drilled wells at Kodoung, Yenan- 

 gyoung Oil-field. 

 „ XII. Sections through the Kodoung tract. 

 „ XIII. Do. do. 



,, XIV. Sections through the Yenangyoung Oil-field. 

 „ XV. Do. do. 



„ XVI. Sections through the Yenangyat Oil-field. 

 Section near Minbu. 

 Section of Mud volcanoes. 

 „ XVII. Section of the Bore holes in the Yanaungchoung Ravine, Yenan- 

 gyat Oil-field. 



