Detailed/More Info:
Golden Cycle Bull Hill Mill
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Info Database Last Updated 13.12.2021 (Entity News entries: 3)
Type/Category of Info:
Special/Editorial Correspondence
Info Source From:
The Mining and Scientific Press. Volume: 94 [XCIV], Issue No. 4
Info Publication Date:
January 26, 1907
Info found on page:
106
Info Title:
La Bella Powerplant Converts to Cyanide Mill Use
Cripple Creek, Colorado.
graphic for visual presentation of textAnother Cyanide Mill.
graphic for visual presentation of text It is stated that the big building of La Bella Electric Light & Power Co. at Goldfield will be converted into a cyanide mill. The engines and boilers are now being removed. The solid construction of the building, as well as its situation, will admirably fit it for the above purpose.
Above Info was Last Updated on 04.11.2021 (09:18:03)
Above Info was First Seen 20.05.2021

Type/Category of Info:
Article
Info Source From:
Mines and Minerals. Volume: 29 [XXIX], Issue No. 10
Info Publication Date:
May, 1909
Info found on page:
444
Info Title:
Golden Cycle Cyanide Workings
For several years past Colorado metallurgists have been attempting to solve the metallurgical puzzle presented by the low-grade ores of Cripple Creek. Millions of tons of ore running from $3 to $10 per ton have lain on the great dumps for years, while other millions were exposed in hundreds of miles of underground workings. Thus, for some years previous to 1907, the issues were clearly presented, first, to eliminate roasting the ores if possible, and, second, to eliminate freight charges by building mills at the mines.
graphic for visual presentation of text It will, of course, be understood that until a way of eliminating the roasting of the tellurium ores was discovered, it would be useless to erect mills at the Cripple Creek mines where roasting costs even more than at Colorado Springs.
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graphic for visual presentation of text In the meantime, the great Golden Cycle plant at Colorado City has been completed and successfully operated by roasting the ores and then cyaniding. During the year 1908 this plant is said to have produced roughly $6,000,000 in gold.
graphic for visual presentation of text Owing to the fact, it is commonly believed, that the cyaniding of low-grade ores at this plant gave a chance for little or no profit, the company has lately decided to erect a plant at its Cripple Creek mine.
graphic for visual presentation of text Ground has been broken for the erection of this plant and construction work is progressing rapidly.
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graphic for visual presentation of text Contrary to the conclusions of the Stratton Independence and Portland companies' metallurgists, those of the Golden Cycle are to the effect that concentration of the low-grade ores before shipment to the Colorado Springs mills will solve the problem.
graphic for visual presentation of text According to Manager McGarry, the exhaustive tests carried on at the company's experimental plant at Colorado City have resulted in a saving of 65 per cent. of the gross value of these low-grade ores.
graphic for visual presentation of text It is, therefore, planned to treat those ores which will not stand transportation charges by a system of dry concentration at a ratio of 6 tons crude ore into 1 of concentrates.
graphic for visual presentation of text These concentrates will then be shipped to Colorado City for treatment at the company's cyanide plant. The mill in the course of construction on Bull Hill, near the Golden Cycle's main shaft, is to have the initial capacity of 80 tons of concentrates per 24 hours.
Notes/Text been Edited:
Abstracted from a somewhat longer text about Cyaniding Cripple Creek Dumps.
Internet Source Text Link(s) {Found/Seen/Known]:
Above Info was Last Updated on 30.10.2020 (11:04:30)
Above Info was First Seen 23.03.2019

Type/Category of Info:
Abstracts of Official Reports
Info Source From:
The Mining and Scientific Press. Volume: 120 [CXX], Issue No. 14
Info Publication Date:
April 3, 1920
Info found on page:
511
Info Title:
Vindicator Consolidated Gold Mining Co. Report
VINDICATOR CONSOLIDATED GOLD MINING CO.
graphic for visual presentation of textReport for the year ending December 31. 1919.
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graphic for visual presentation of textProperty: Mines in the Cripple Creek district and a controlling interest in the Ferro Alloy Company; also the La Bella mill.
graphic for visual presentation of textOperating Officials: George A. Stahl, general manager; W. E. Ryan, general superintendent; A. R. Minner, mill superintendent.
graphic for visual presentation of textFinancial Statement: Proceeds of ore sales and royalties $681,411; miscellaneous income, $10,631; mine and mill operation cost $600,561; leaving an operating profit of $91,481; profit from Ferro Alloy operations, $7478; total operating profit, $98,959.
graphic for visual presentation of textDeducted for depreciation and depletion, $115,824. This being an excess of $16,865 over the operating profitis.
graphic for visual presentation of textQuick assets on December 31, 1919, $565,858.
graphic for visual presentation of textDividends: During 1919 amounted to $60,000, making a total to date of $3,832,500.
graphic for visual presentation of textDevelopment: 7622 ft. of development work was done during 1919, including 1200 ft. of diamond-drill work Prospects on the 1800 and 1900-ft. levels are good.
graphic for visual presentation of textOre-reserves on December 31 are estimated at 46,440 tons.
graphic for visual presentation of textProduction: During the year 1919, 143,400 tons of crude ore was hoisted on company account through both shafts, from which was produced 19,922 tons of shipping product, with a gross value of $718,137; the marketing charges on which were $129,251, and the net returns $588,885.
graphic for visual presentation of textThere were hoisted on lessees' account $55,648 crude tons; and shipments from this source totaled 20,772 tons, with a gross value of $291,065, marketing charges on which were $104,742, leaving a net value of $186,323.
graphic for visual presentation of textThe company's royallies on lessees shipments ammounted to $92,525.
Above Info was Last Updated on 20.05.2021 (15:22:18)
Above Info was First Seen 24.02.2020