346 



Scientific Proceedings, Royal Dublin Society. 



outcrop of the lode has been traced for over half a mile. ( W.-F. de 

 V. Kane.) 



The analysis of the iron ore of Logwood Hill, Calliagh, is 

 given by Mr. W. E. Adeney as follows : — 



The Insoluble matter contained 29-51 of silica and a trace of 

 titanic acid. 



Copper. — Tullig, near Anascaul, Dingle Promontory, Co. 

 Kerry. There is an old tradition that copper was found here. 

 (W. M. Hennessy.) 



Molybdenite and Molybdene. — Murvey, Poundstone, Co. Galway. 

 In this locality the oxide (molybdene) seems to be in considerable 

 quantity, accompanying the sulphide (molybdenite). 



Nickel. — Grlenisky, near Kylemore, Co. Gtalway. In the mag- 

 nesian rock there is a trace of nickel. {J. R. Kilroe.) 



Steatite, or PyropJujllite. — Co. Donegal. Moneydarragh, 3 \ miles 

 N.W. of Moville, barony of Inishowen. There is a bed, 3 to 6 

 feet thick, so soft that it can be dug out with a spade- 



Pyrophyllite ? — In the strike of this bed, two miles to the N.E., 

 near Crossroads, a similar rock was observed, but of less thickness. 



Owenbeg river valley, 10 miles west of Letterkenny, and S.W. 

 of Cartan Lake. Strings and veins of steatyte run along the 

 bedding, of a buff-coloured dolomyte, from \ an inch to 3 and 

 6 inches thick ; this steatyte seems to be very pure and suitable to 

 be used as French chalk. {A. M'Henry.) 



Ballintemple Mine, Woodenbridge, Co. Wicklow. According 

 to the record of Sir W. W. Smyth and the late Mr. Wylie, the 

 thickness of the lead vein was five inches ; while we learned, 



