172 BROWN & HERON : GEOLOGY AND ORE DEPOSITS OF TAVOY. 



with large specimens of his tin ore, which proved on 

 examination to be tungsten, or wolfram sand." 



1852. G. B. Tremenheere, E. O'Riley and T. Oldham. "Report 

 on the Tin and other Mineral Productions of the Tenas- 

 serim Provinces." Sel. Rcc. Beng. Gavt., Vol. VI, pp. 

 21—44. 



A collection of papers including Trcmenheere's 1841 report 

 together with Dr. T. Oldham's remarks relative to the 

 discovery of ores of tin, etc., in Tenasserim, and a 

 report by E. O'Riley on the Henzai Basin. The 

 latter refers to sluicing operations carried on in the 

 Onhbinkwin chaung and to the occurrence of tin ore 

 mixed with wolfram in certain streams falling into the 

 Basin. 



185G. T. Oldham. " Notes on the Coal-Fields and Tin-Stone 



Deposits of the Tenasserim Provinces." Sel. Rec. Govt. 



India, No. X, pp. 31— G7. 



In this paper Dr. Oldham first suggested the term " Mergui 



Series," for the ancient sedimentary rocks of Lower 



Tenasserim. 



1859. J. W. Heifer. " Gedruckte und ungedruckte Schriftcn iiber 

 die Tenasserim Provinzen, den Mergui Archipel und 

 die Andaman Inseln." Mitth. k. k. Geoqr. Ges., Vol. 

 Ill, pp. 167—390. 

 A resume of Heifer's observations in Tenasserim. 



1870. H. S. Tremenheere. "Note on Tin in Tenasserim." Min. 



Joum., Vol. XL, p. 919. 

 1872. M. Fryar. " Report on some Mineraliferous localities in 



Tenasserim." Ind. Economist, Vol. IV, pp. 42 — 43. 

 1882. F. Mason and W. Theobald. " Burma, its Peoples and Pro- 

 ductions ; or, Notes on the Fauna, Flora and Minerals 

 of Tenasserim, Pegu and Burma." 2 vols., Hertford. 

 It is reported that samples of tin ore from various localities 

 in the Tavoy district were displayed at an exhibition 

 in London in 1861. About 1873, an attempt was made 

 to work the gravels and veins at Maliwun in Mergui 

 under European management, but after three years of 

 work, in one of which 17 tons of cleaned ore and 7 

 tons of metal were exported, the concessionaires, Messrs. 



