164 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 58 



TASMANIA (Continued) 



1092. Gregory, J. W. The geological plans of some Australian mining fields. 



Science Progress, No. 1, 1906, London, pp. 117-13G. 



Describes among others the Mt. Bischoff mine, the character of the ore in the dif- 

 ferent faces, and the metamorijhism of the roclis. 



1093. Groddeck, a. vox. Zur Kenntniss der Zinnerzlagerstatte des Mount 



Bischoff in Tasmanien. 



Zeitschr. deutsch. geoL Ges., VoL 36, 1S84, Berlin, pp. 642-652. Translated by 

 Thureau, G. in Pap. Proc. Roy. Soc. Tasmania, for 1885 [1886], Hobart, pp. 388-3;J4. 



Reviewed: Neues Jahrb. Min., 1885, II (Ref.), Stuttgart, pp. 91-92. 



Continuation of original article, Zeitschr. deutsch. geol. Ges., Vol. 38, 1886, Berlin, 

 pp. 370-375. Translated by Wolfhagen in Pap. Proc. Roy. Soc. Tasmania for 1886 

 [1887], Hobart, pp. 189-193. 



Continuation of original article. Zeitschr. deutsch. geol. Ges., Vol. 39, 1887, Berlin, 

 pp. 78-87. 



Reviewed in Xeues Jahrb. Min., 1888, 1 (Ref.) Stuttgart, pp. 86-87. 



1094. Hampton, J. On the occurrence of tin. 



Trans. Geol. Soc. South Africa, Vol. 4, 1899, Johannesburg, pp. 37-40. 



The tin mine at Mt. Bischoff, discovered 1872, was visited by author in 1883. Tin 

 bearing rock was 100 feet wide. Largest tin deposit yet discovered. It is at con- 

 siderable elevation from the sea, where neither pumping nor hauling machinery are 

 required. 



1095. Harcourt-Smith, J. Report on the Shepherd and Murphy's tin mine, 



Bell Mount. 



Rep. Seer. Min., Tasmania, for 1896-1897 (1S97), Hobart, pp. Iv-lvi. 



This property is situated 22 miles southwest from Sheffield, at an elevation of 

 about 2000 feet above sea level. Lodes 1 to 6 are described, and the work done, 

 with results obtained. The company will attempt to separate tungsten and bisnnith as 

 well as the tin contents. 



Bee also No. 1148. 



1095a. . The mineral industry of Tasmania. See Tasmania, Govern- 

 ment Geologist, No. 1134. 



1096. Hunt, John. Mount Bischoff tin mines, Tasmania. 



Mg. Journ. Railw. Comm. Gaz., Vol. 44, 1874, London, p. 207. 

 Very general; unimportant. 



1097. . On mining in Tasmania. 



Mg. Journ. Railw. Comm. Gaz., Vol. 45, 1875, London, pp. 539-540 

 Thinks the deposit of tin at Mount Bischoff is not of volcanic origin. Believes the 

 greater part of alluvial tin is derived from decomposition of granitic rocks. 



1098. Ireland, Mark. A method of timbering at the Mt. Rex tin mine, Ben 



Lomond, Tasmania. 



Trans. Austr. Inst. Mg. Eng., Vol. 10, 1905, Melbourne, pp. 263-264. 

 Short article giving method of timbering which is of such a character that no 

 blasting, however heavy, can injure it. 



1099. Johnston, R. W. Geology of Tasmania. 



1888, Hobart, pp. 22-29. 



'Description of tin lodes, mode of occurrence, distribution, discovery and derivation. 

 Age of superficial gravels discussed. 



