The Peaks of Lyell |
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Page 248
... rock that was too poor to be smelted profitably in a blast furnace . For years this ore had defied payable treatment . At the turn of the century two companies had installed rock - breakers , Cornish rolls , vanners , jigs , and ...
... rock that was too poor to be smelted profitably in a blast furnace . For years this ore had defied payable treatment . At the turn of the century two companies had installed rock - breakers , Cornish rolls , vanners , jigs , and ...
Page 275
... rock . Once the available rich ore was exhausted , the open cut began to wilt . At the end of the war the ore body above the Russell tunnel had been robbed of its richest ore , the average grade of the ore had fallen to 0.59 per cent ...
... rock . Once the available rich ore was exhausted , the open cut began to wilt . At the end of the war the ore body above the Russell tunnel had been robbed of its richest ore , the average grade of the ore had fallen to 0.59 per cent ...
Page 276
... rock were mined for every five tons of ore , and £ 478,000 was spent on mining waste rock alone . Within eight years the annual output of mined rock had grown from 1.7 million to 2.8 million tons and huge dumps of mullock had buried ...
... rock were mined for every five tons of ore , and £ 478,000 was spent on mining waste rock alone . Within eight years the annual output of mined rock had grown from 1.7 million to 2.8 million tons and huge dumps of mullock had buried ...
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Common terms and phrases
Australian mining began blast body boom Bowes Kelly British Broken Hill cent copper company's Comstock copper cost Creek Crotty diggers dividends Dixon drill Dundas Eldon Ranges Emu Bay engineer feet field fire furnaces gold Gormanston gossan hauled Heemskirk Hercules Hobart hundred investors Iron Blow Karlson Kelly Basin King River Knox later Launceston lease Linda Valley lode London Lyell Copper Lyell directors Lyell Mining Lyell railway Lyell shares Macquarie Harbour manager McDonough Melbourne metallurgist miles mill miners Mining Company months Mount Lyell mountain Murray North Lyell pany pegged Pieman Pieman River port price of copper profit prospecting prospectors pyritic Queen River Queenstown rail rich rock Rosebery Schlapp shaft shareholders ship silver smelters smelting smoke South Sticht stope Strahan sulphur Tasmanian Tharsis timber tons town track tram Trent Trial Harbour tunnel union Victorian Waratah west coast West Lyell western Zeehan zinc