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plied, impart additional interest to the facts here stated, and render 

 it highly probable that this rock will at no remote day be brought 

 into extensive use. In the same neighbourhood are found sand- 

 stones and schists, all preserving the same general direction and 

 dipping to the east. 



Throughout the South-west mountain and its prolongations, but 

 especially on the Buffaloe ridge, micaceous and magnetic iron ore 

 occur. In the neighbourhood of Stonewall mills, and near the 

 Buffaloe ridge spring, these ores are peculiarly abundant. They are 

 also met with largely in the vicinity of the Folly. Hematite containing 

 some manganese is seen also apparently in veins in a slaty rock at 

 Reuben Carver's, near the above named mills, and has been supposed 

 by some to be an ore of silver. The micaceous oxide is generally 

 blended more or less intimately with the substance of a talcose and 

 silicious schist, and appears to exist in beds of considerable breadth 

 amid these rocks. Hitherto, little value appears to have been 

 attached to the magnetic oxide or oxidulated iron ore which is thus 

 abundant throughout this region; and yet, judging by the ex- 

 perience of other countries where this ore is smelted in great quan- 

 tities, there can be but little doubt that under a judicious system of 

 operating it might be found a highly valuable material for the manu- 

 facture of iron. In the highlands of New Jersey, so noted for the 

 quality and amount of their forged as well as cast iron, an ore of 

 precisely the same character is used, and the difficulties in smelting, 

 which appear to have deterred our iron masters from its employ- 

 ment, are completely overcome. 



In many places, within the belt of which we are now treating, 

 beds of rock occur, containing green carbonate, sometimes asso- 

 ciated with a little sulphuret of copper. At the Folly in Amherst, 

 numerous openings may be seen from which the cupreous rock was 

 formerly obtained. The amount of copper present in such of the 

 specimens from this locality as have been examined, though con- 

 siderable, is not such as promises any high degree of value in the 

 mass. It is, however, to be remarked, that no positive opinion on 

 this subject can be formed without much minute examination of all 

 the places in which this rock exists, as well as a number of analyses 

 to determine the proportion of copper which it contains. No distinct 

 vein or bed of copper ore is indicated, but rather an impregnation 

 of the talcose rock of the neighbourhood, more or less strongly with 



