Sa WYNNE: GEOLOGY OE THE SALT RANGE IN THE PUNJAB. 



in the Ver. Der Geol. UeichsanstaU) the position of the rock salt of 

 the range and its silurian age, being thus the oldest of known salt 

 deposits. 



In Mr. H. F. Blanford's Physical Geography for the use of Indian 



Schools,^ a slight reference is made to Salt Range 



H. P. Blanford, 18V3. ^^^^^^^^ r^c^^ upheaval of the range is referred 



to the period when the Siwalik hills were formed, or perhaps later, 



and a similarity of certain of its formations to those of the Himalaya 



around the Spiti and Sutlej valleys is noticed. 



While the minerals for the Vienna exhibition were being col- 

 Tween, 1873. lected from the Salt Range in 1873, the in- 



J. Wiener, 1874. teresting discovery was made by Dr. Warth of 



potash salt in an impure saline bed separating two of the thick salt 

 seams of the Mayo mines. An analysis of the mixed salt by Mr. Tween 

 of the Geological Survey of India, was given in the catalogue of the 

 collection (published at Her Majesty's Stationery Office, London, 1873), 

 page 8. A notice of this potash salt, containing sylvine and kieserite, 

 and a description of the mineral by Mr. J. Wiener, will be found in a 

 translation by Mr. V. Ball from the Jahrhuch der h. h. GeologiscJien 

 ReicJisanstalt (XXIII, No. 2, p. 136), in the Records of the Geo- 

 loo-ical Survey of Indla.f The hardness and cleavage of the kieserite are 

 stated to be the same as those of the Hallstadt mineral of the same kind. 



A paper of mine in the Quarterly Journal of the Geological Society 



of London, J with special reference to the " junc- 

 A. B. Wynne, 1874. . , _.^ -r. ./I 1 . .1 



tion in the Upper runjab, between the outer 



Himalayan tertiary rocks and those forming the hills,''' has several 

 allusions to the geological features of the Salt Range. The con- 

 formable sequence of the tertiary rocks and the parallelism which 



* Published in Calcutta and London, 

 t Vol. VII, Pt. 2, p. 64. 



J Qtly. Jour., Geo. Soc, London, Vol. XXX, Pt. 2, p. 64. I should have quoted 

 Dr. Stoliczka's Taglig limestone, in table facing page 62, as Liassic. 



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