Preliminary Repport Conscerning Exploration and Surveys Principally in Nevada and Arizona

Preliminary Repport Conscerning Exploration and Surveys Principally in Nevada and Arizona

By (author) 

List price: US$22.40

Currently unavailable

Add to wishlist

AbeBooks may have this title (opens in new window).

Try AbeBooks


This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1872 edition. Excerpt: ... roads. Timber none. Excellent water may be had from wells. Formation, of easily decomposing granite, associated with metamorphic rocks, and carrying quartz and felspar seams. The quartz seems to contain mostly sulphides and chlorides. Iron and copper pyrites are present, considerable argentiferous galena, and silver and lead ores. Three adits have been started and several shafts, the deepest being abou t 50 feet. The main adit had been driven about 100 feet in a S. 25 E. direction, with an inclination of about 8. I found no seams exposed in the openings, finding specimens only in the dump and in some unopened seams, which looked as if perhaps workable. The mining was evidently of the simplest description. Mines at present entirely deserted. AMARGOSA MINES, CALIFORNIA. Twenty miles east of the south end of Death Valley, and north of Camp Cady, near the old Mormon trail. They aro deserted, though the remains of buildings, adits, and stump-heads, &c., show that considerable work has been done. Wood and grass entirely wanting, while the little water present is very alkaline. The adits are in granite, run at random in from the sides of a canon; they follow no seams, veins, or deposits of any kind, and none could bo found, while there was no ore discoverable in the dump-piles or ddbr'vs. The distance from the base of supplies, and the desert nature of the country, would prohibit anything but the very richest of mines to be worked with any profit, TIMBER MOUNTAIN DISTRICT, NEVADA. Discovered in I860, in Spring Mountain Range, north and west from Las Vegas ranch. The ores are galena and sulphide of silver, in addition to large deposits of low-grade base metal silver ores, distributed over a large area. The high mountains are heavily more

Product details

  • Paperback | 58 pages
  • 189 x 246 x 3mm | 122g
  • United States
  • English
  • black & white illustrations
  • 1236930681
  • 9781236930682