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Gold: its occurrence and extraction embracing the geographical and geological distribution and the mineralogical characters of gold-bearing rocks, the peculiar features and modes of working shallow placers, rivers and deep leads, hydraulicing, the reduction and seperation of auriferous quartz, the treatment of complex auriferous ores containing other metals, a bibliography of the subject and a glossary of english and foreign technical terms by Alfred G. Lock

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Published by E & F.N. Spon in London, New York .
Written in English

Subjects:

  • Gold,
  • Gold mines and mining

Book details:

Edition Notes

Statementby Alfred G. Lock.
SeriesCIHM/ICMH Microfiche series -- no. 17408
The Physical Object
FormatMicroform
Pagination7 microfiches (343 fr.)
Number of Pages343
ID Numbers
Open LibraryOL22029583M
ISBN 10066517408X

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  Gold, its occurrence and extraction: embracing the geographical and geological distribution and the mineralogical characters of gold-bearing rocks; the peculiar features and modes of working shallow placers, rivers, and deep leads; hydraulicing a bibliography of the subject; and a glossary of English and foreign technical terms. Gold, Its Occurrence And Extraction: Embracing The Geographical And Geological Distribution And The Mineralogical Characters Of Gold-Bearing Rocks; The Peculiar Features And Modes Of Working Shallow Placers, Rivers, And Deep Leads; Hydraulicing A Bib [FACSIMILE] [Alfred G. (Alfred George) Lock] on *FREE* shipping on qualifying offers. Get this from a library! Gold: its occurrence and extraction. Embracing the geographical and geological distribution and the mineralogical characters of gold-bearing rocks; the peculiar features and modes of working shallow placers, rivers, and deep leads; hydraulicing a bibliography of the subject; and a glossary of English and foreign technical terms. This volume is comprised of three chapters and opens with a brief history of copper, along with its occurrence and metallurgy, analysis, and compounds. The next chapter is devoted to silver and its compounds, while the last chapter describes gold, its isotopes and alloys, chemistry, and gold hydrides and halides, cyanides and oxides, hydroxides.

Gold, its occurrence and extraction: embracing the geographical and geological distribution and the mineralogical characters of gold-bearing rocks, the peculiar features and modes of working shallow placers, rivers and deep leads, hydraulicing, the reduction and separation of auriferous quartz, the treatment of complex auriferous ores containing other metals, a bibliography of the subject and. The occurrence and composition of the gold and the mineralogical composition of the ore dictate the leaching conditions. Cyanide has been the most widely used process for the extraction of gold from its ores for the past years; however, the use of cyanide is under increasing pressure due to its toxicity and consequent deleterious. Gold: its geological occurrence and geographical distribution - Kindle edition by Maclaren, John Malcolm. Download it once and read it on your Kindle device, PC, phones or tablets. Use features like bookmarks, note taking and highlighting while reading Gold: its geological occurrence and geographical distribution/5(3). 1 The resistance of gold to the leaching process is categorized into 4 groups based on its refractoriness degree; Free milling ores, mildly refractory ores, moderately refractory ores, and highly.

Free 2-day shipping. Buy Gold: Its Occurrence and Extraction at nd: Alfred. A gold bar is stamped with a serial number at a U.S. refinery in The bar, which weighed about 40 pounds (18 kilograms), was one of nine gold bars poured that day. Removing the gold-bearing rock from the ground is just the first step. To isolate pure gold, mining companies use a complex extraction process. Gold extraction refers to the processes required to extract gold from its may require a combination of comminution, mineral processing, hydrometallurgical, and pyrometallurgical processes to be performed on the ore.. Gold mining from alluvium ores was once achieved by techniques associated with placer mining such as simple gold panning and sluicing, resulting in direct recovery of. Gold achieved value as its rarity became known. Because of its color, gold was associated with the sun-gods of pagan religions, who represented sovereignty, wisdom, and justice. Eagerly sought, gold was made into idols, offered to the gods, and used lavishly to .