Official Report upon the Mines, Mining, Metallurgy and Mining Laws
Format: Paperback
ISBN13: 9781152446786
Paperback|9781152446786
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Overview
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. 1904 edition. Excerpt: ... This province is admirably situated prossessing similar geological conditions to that of Salta and the southern part of Bolivia, consequently its mineral riches ought to be great. The Cerros of Cobalonga, Santa Catalina, Cochinoco, Aguilar, Zenta, Calilegua, Barbara traverse the province in a northern and southern direction, from which there are various branches and ramifications with deep gorges, in all directions covering a large extent of land. The Department of Catalina is situated in the northwestern portion of the province, its northern extremity abutting against a portion of Bolivia. Many auriferous quartz veins have been discovered in this district most of them running in a northern and southern direction; but there is no reliable evidence to hand referring to their productiveness. Another series of similar auriferous quartz veins exist in that noted place called Rinconada, and some of these are reported to have great thickness. There also exists another series of thin veins crossing the larger ones. History informs us that in a branch of one of these cross veins the ancient indians extracted gold in bar, but the works were not continued to a greater depth than from 15 to 20 metres. It would seem that originaly this mine was called "Rosario," indicating that it was worked by the early Spaniards. The name of the mine was afterwards changed to that of "Cruz del Sud." The thickness of the auriferous veins are variable ranging from a few centimetres up to 2 metres. It is reported that in the mine "Blanca," several veins of mineral unite forming a vein of 15 metres in thickness. This vein of auriferous mineral may be traced for a considerable distance, and there is evidence that ancient works were made...
| ISBN-13 | 9781152446786 |
|---|---|
| ISBN-10 | 1152446789 |
| Weight | 0.70 Pounds |
| Dimensions | 9.00 x 6.00 x 0.48 In |
| List Price | $20.12 |
| Format | Paperback |
|---|---|
| Pages | 212 pages |
| Publisher | |
| Published On | 2010-01-01 |
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