By Leonard Unthank Salkield (auth.), Maurice J. Cahalan (eds.)
Whether the Phoenicians and t he within the south-west of the Iberian Carthaginians ever truly labored Peninsula there's a substantial pyritic the mines , or have been only investors, is mineral ised quarter, referred to as the no longer definite , yet after 205 BC, while Andevallo, extending from close to they defeated the Carthagi nians, the Seville to south of Lisbon, a space Romans introduced their very own males expert a few a hundred and fifty kilometres lengthy and 30 in mining and metallurgy. kilometres large. The Romans occupied many of the The Rio Tinta Mines , that are the Iberian Peninsula for six hundred years , greatest of this "pyrites belt" , lie until eventually approximately 425 advert - the newest within the zone referred to as Andalusia, Roman cash came across at Rio Tinto express a few ninety kilometres north-west of the top of Honorius who used to be emperor Seville and seventy five kilometres north-east from 395 to 423 advert. Mining needs to of Huelv8 . they've got a really lengthy have declined with the invasion of background, courting again to pre-Iberian Barbarians within the fifth century and the days; then got here the Iberians , a race next entr y of the Visigoths who of North African starting place (Turdetarian have been finally absorbed into the and Tartessian) , the Phoenicians , the folk of Spain. In 711 advert the Carthaginians , the Romans , the Moors, Moors invaded the Peninsula from the Spaniards and the British. It North Africa.
Read or Download A technical history of the Rio Tinto mines: some notes on exploitation from pre-Phoenician times to the 1950s PDF
Similar technical books
This ebook is designed to let non-native English audio system to jot down technological know-how learn for book in English. it's a functional, simple e-book meant as a quick, home made advisor for these whose English language skillability is above intermediate. The method is predicated on fabric built from instructing graduate scholars at Imperial collage London and has been broadly piloted.
ETHICS IN details know-how, 3rd version is a hugely expected revision that may aid readers comprehend the felony, moral, and societal implications of knowledge know-how. The 3rd variation bargains up to date and newsworthy assurance of matters resembling dossier sharing, infringement of highbrow estate, defense hazards, web crime, identification robbery, worker surveillance, privateness, compliance, social networking, and ethics of IT firms.
Within the new period of sensible and molecular imaging, either at present on hand imaging biomarkers and biomarkers below improvement are anticipated to guide to significant adjustments within the administration of oncological sufferers. This well-illustrated two-volume publication is a realistic handbook at the a number of imaging suggestions able to supplying useful info on melanoma, together with preclinical and scientific imaging thoughts, in accordance with US, CT, MRI, puppy and hybrid modalities.
This paintings is designed to let non-native English audio system to write down technological know-how learn for book in English. it's a useful, uncomplicated ebook meant as a quick, selfmade consultant for these whose English language talent is above intermediate.
- Software Testing as a Service
- Building Tablet PC Applications
- Content and Complexity: Information Design in Technical Communication
- Health Professionals Style Manual
- SVC - 45th Annual Technical Conference Proceedings
Additional resources for A technical history of the Rio Tinto mines: some notes on exploitation from pre-Phoenician times to the 1950s
The furnace walls were of porphyry lined with firebrick. Two tapholes were provided for slag and one for matte . A new waterwheel was built, with an output of about 2 HP to drive bellows able to delive r 4 cubic metres at 15-19 cm water gauge . The furnaces were blown in on 9 January 1865 and, after experiencing some of the difficulties common to such start-ups, demonstrated an improved performance . Campaigns lasted up to 10 days, double that of the earlier furnaces. and the two furnaces were capable of smelting a total of 14 tonnes of charge per day.
Furnace campaigns were of about 5 days - the front wall was then taken down and the hearth remade . The reverbera t ory or "spleiss" furnace used for refining black copper was also of German design and details are shown in Figure 9. 7 metres in diameter , with a tuyere at "c" connected to a bellows . Wood was the fuel; flue gases escaped through the semi- spherical roof at ports marked "x". The furnaces were known locally as "Alemanes". a name probably dating back to the period afte r 1750 when Ge r man smelting specialists from Mansfeld were brought to Rio Tinto by Tiquet .
Artificial cementation"; it consists of r oasting at low temperature , which r- , , I -J Figure 9 Refining Furnace 1840s - 29 - converted copper sulphides to water solu ble sulphates , and leaching the copper from the r oasted mineral. The roasting , called "slow roasting" , involves a higher degree of sulphur elimination compared with the high temperature r oasting for matte smelting. Acid water from the Cueva del I~go was preferred for the leaching and up to 70% recovery of copper from ores of less than 3% Cu wa s obtained with higher grade ore reco very was lower; as little as half that figure.