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«eptible veins of lead, and on the oppofite fide it appears 

 there is a lead mine, which was once worked, but is now 

 abandoned. 



loth. The entire fummit of the mountain, for a length of 

 more than a thoufand, and a breadth of about an hundred 

 feet, is of a very pure quartz, very white, and fometimes of a 

 green yellow, difpofed in beds parallel to the fouth top of the 

 mountain. 



nth. At the foot of the mountains that are to the eaft of 

 Mahiramore, by the fide of the Galway road, at the fpot called 

 Bunnagippane, there are beds of pure calcareous ftone perpen- 

 dicular to the horizon, and of a colour almoft as white as ala- 

 bafter. They are penetrated in different diredions by veins of 

 calcareous fpar, the cryftals of which, having refilled the diflfolving 

 of air and water, remain jutting out of the furface of thofe 

 beds, fo that one may be tempted to endeavour to difengage 

 them with the hand ; but they flick ftrongly and deeply. Thefe 

 veins of calcareous fpar are throughout very pyritous, and the 

 body of the rocks conceals a good deal of pyritous fubftances, 

 cryftallized into very perceptible cubes. 



1 2th. In that pure calcareous ftone of Bunnagippane a load 

 of lead was difcovered, but without the leafl; appearance of a 

 vein. 



13th. 



