MEMOIRS 



OF THE 



GEOLOGICAL SURVEY OF INDIA, 



On the Geology and Mineral Resources of the Darjiling District and the 

 Westeen Duars, by F. R. Mallet, f.g.s., Geological Survey of 

 India. 



Chaptee I. — General description of area 

 and rocks. 

 „ II. — Damuda series. 

 „ III. — Baxa series. 

 „ IV. — Paling and Darjiling series. 



CONTENTS. 



Chaptee V. — Tertiaries. 



„ VI. — Coal — Graphite. 

 „ VII. — Iron— Copper — Lead. 

 „ VIII. — Lime— Building stone — Slate 

 —Clay— Steatite— ' Salt licks/ 



Chapter I. — General description op area and rocks. 



For many years the existence of coal has been rumoured from time 

 to time in the outer range of the Sikkim Himalayas. Fragments of 

 the mineral had frequently been observed in the hill streams, and its 

 occurrence in larger quantity had also been reported. Amongst other 

 places, the Sivok valley, close to the debouchure of the Tista,* was men- 

 tioned, and so long ago as 1853 this locality was brought to Dr. Oldham's 

 notice by Dr. Campbell, then Superintendent of Darjiling. Specimens 

 of the coal were also sent by him to Mr. Piddington, whose analyses of 

 them gave very favorable results. f A brief examination of the Sivok 



* The spelling in this report is on the official system, and differs from that on the maps 

 appended, which have been photozincographed from the Revenue Survey maps of the 

 Darjiling and Jalpigori districts, after the addition of the geological lines. 



f Journal, Asi?*ic Society, Bengal, Vol. XXII, p. 313, & Vol. XXIII, pp. 381, 403. 



Memoirs of the Geological Survey of India, Vol. XI, Art. 1. 



