46 ECONOMIC GEOLOGY. 



successfully treated as much as 100 or 200 tons of ore, so that its value 

 has been well tested. In case it should be taken for new localities, it is 

 recommended that it be placed at the mouth of the mine, and thus save 

 any unnecessary transportation of the ore before concentration, and the 

 steam-power could also be utilized for hoisting purposes. 



Quhit Mine. A mile or two east of the Gregory is the Quint or White Mountain 

 copper mine, in Littleton. No copper property in this region had been so thoroughly 

 explored as this in 1869; several buildings have been erected for shaft-house, whim, 

 dressing-sheds, etc., and the main shaft has been sunk to the depth of one hundred 

 feet. It was impossible for me to examine the character of the rock below the surface, 

 as all the excavations were filled with water ; but, judging from external appearances, 

 the vein must be from six to eight feet wide, composed of white quartz with copper 

 sulphuret, iron pyrites, chlorite, and ankerite disseminated abundantly through it. On 

 account of the contrast in colors, very beautiful hand specimens may be obtained here. 

 The location is a poor one, so far as drainage is concerned. 



Other Properties. There are many other farms where copper has been found, and, 

 in some cases, extensively opened. There were three examined north of the No. i 

 shaft of the Paddock company in 1869, known as the Stevens and Nason, Locke, 

 Swan and Garland, and now belonging to Mr. Paddock. All of them showed excava- 

 tions a few feet in depth, a mixture of the usual iron and copper pyrites in the schists 

 several feet wide. 



Dr. Jackson examined copper upon Lang's property in Bath, adjoining the Stevens 

 mine. From his reports I condense the following facts : Two veins occur crossing at 

 right angles, north-east and north-west courses. One of them is from one foot to 

 eighteen inches wide, the other thicker. A detached block of pure ore, two and a 

 half feet in diameter, was found in the meadow. A single blast afforded 100 pounds of 

 20 per cent. ore. 



Farther south, as shown on the map, are three other copper locations. The most 

 southern on the crest of the mountain is called the Forsaith mine, containing 140 

 acres, showing quite a number of small openings, all of them showing copper ore. 



There are several openings in Monroe, on the west side of Gardner's mountain. 

 I have presumed the copper belt is repeated here, and the cupreous schists occur in 

 many places, though comparatively little work has been done. The largest opening 

 is upon the Bald ledge, operated several years since by Mr. Paddock. The best part 

 of the copper schist is six feet wide, containing, in addition to the usual minerals, 

 zinc blende and obliquely crossing veins of quartz. The shaft-house is very high up, 

 so that the vein could be well drained to a considerable depth. The shaft was sunk 

 to the depth of 80 feet. Ten tons of 10 per cent, ore were the result of this exploita- 

 tion. Farther west, down the hill, is another vein, possibly connected synclinally with 

 the ore high up. 



