11 



CONTENTS. 



Page. 



IC2 

 1 06 



1. The Pliocene or Irrawaddi Series 



2. The Miocene or Pegu Series 

 (aa) The upper Miocene or Yenangyoung 



Stage. . • • 

 (bb) The Lower Miocene or Pro me Stag 



(a) Lithological characters • 



(b) Palseontological characters 



(c) The Occurrence of Petroleum 

 3. Stratigraphy • . • 



A. General Features ... 



(a) Unequality of sedimentation 



(b) Veins of eruptive mud . 



(c) The anticlinal and dome-like struc 



ture. .... 



(aa) The anticlinal arch 

 (bb) The longitudinal arch 



B. Superficial sections . 



C. The sections of the drilled wells 



D. The original sedimentation of the petro 



liferous beds «... 



E. General conclusions, and future pros 



pects of the Yenangyoung Oil-field 



(a) The native reserves . 



(b) The area exploited by drilled wells 

 Chapter V. — The Occurrence of Petroleum near Yenangyat 



1. Geographical Position, Area and Physical 



Geography 



2. Geological Features • • . • 



A. The Pliocene or Irrawaddi Series • 



B. The Miocene or Pegu Series . 



(aa) The Upper Miocene or Yenan 



gyoung Stage 

 (bb) The Lower Miocene or Pro me 



Stage . • 



(cc) The Occurrence of Petroleum 

 3. Stratigraphical Features , • 



A. The Superficial sections • • 



B. The sections of the drilled wells . 

 Chapter VI. — The Occurrence of Petroleum at other localities 



in Upper Burma . . . . . . 183 



Chapter VII. — Relation between the occurrence of petroleum 

 and the main structural lines of Upper 



Burma . 184 — 188 



Chapter VIII. — Chemical composition and physical properties 189 — 205 

 Part II. — Economic importance of the Oil-fields of Burma . . 206 

 Chapter I.— The Yenangyoung Oil-field . . . .206—248 

 1. The community of Twinzayos and their his- 

 tory 206 



106 

 107 

 107 

 108 

 109 

 123—169 

 123 

 123 

 126 



132 

 132 

 133 

 135 

 137 



157 



161 

 162 

 169 

 170 



178-183 

 172 

 172 

 172 



172 



174 

 175 

 178 

 178-183 

 179 



