Seven Troughs Mining District: Difference between revisions

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The Seven Troughs Mining District is in the [[Seven Troughs Range]].<ref name="Tingley1998">Joseph V. Tingley, "[http://www.nbmg.unr.edu/dox/r47/r47.pdfh Mining Districts of Nevada]," Report 47, Nevada Bureau of Mines and Geology, 1998, 2nd Edition.  See [http://www.nbmg.unr.edu/dox/r47/plate.pdf map] for details.</ref><ref>Frederick Leslie Ransom, "[http://pubs.usgs.gov/bul/0414/report.pdf Notes on Some Mining Districts in Humboldt County, Nevada]," USGS Bulletin 414, 1919.</ref>
The Seven Troughs Mining District is in the [[Seven Troughs Range]].<ref name="Tingley1998">Joseph V. Tingley, "[http://www.nbmg.unr.edu/dox/r47/r47.pdfh Mining Districts of Nevada]," Report 47, Nevada Bureau of Mines and Geology, 1998, 2nd Edition.  See [http://www.nbmg.unr.edu/dox/r47/plate.pdf map] for details.</ref><ref>Frederick Leslie Ransom, "[http://pubs.usgs.gov/bul/0414/report.pdf Notes on Some Mining Districts in Humboldt County, Nevada]," USGS Bulletin 414, pp 14-25, 1919.</ref>
 
Young (1918) writes: "The sixth plant Fig 5 is the mill of the Darby Reduction Co at Mazuma. It is probably the best attempt of those illustrated to provide an adequate plant for a small district. The mill was equipped with an automatic sampler of the Vezin type ten 1000 lb stamps, a 4 x 17 ft tube mill, Dorr classifier, amalgamating plates, four agitators and an Oliver filter. It contained practically all of the elements of a successful custom plant and was well designed and constructed.  What its success has been and how well it has served the Seven Troughs and Mazuma district I am unable to say but details of its past history and present position would be interesting. Someone familiar with the enterprise should present it to readers of the Journal.<ref> G. J. Young, "[https://books.google.com/books?id=1s42AQAAMAAJ&dq=Co-operation%20Among%20Small%20Mines%20young%201918%20E%2FMJ%2C%20Engineering%20and%20Mining%20Journal%2C%20Volume%20106&pg=PA813#v=onepage&q=seven%20troughs&f=false Co-operation Among Small Mines],"  Engineering and Mining Journal, volume 106, p. 813, 1918.  Includes photo of the Darby Mill.</ref>."


Lincoln (1923) states that the district was organized in 1905. In 1909, the Darby mill at Mazuma started operation and was dismantled in 1918<ref>Francis Church Lincoln, "[http://babel.hathitrust.org/cgi/pt?id=mdp.39015011432807;view=1up;seq=230 Mining Districts and Mineral Resources of Nevada]," Verdi, Nev.: Nevada Newsletter Publishing Co., p. 216, 1923.</ref>.
Lincoln (1923) states that the district was organized in 1905. In 1909, the Darby mill at Mazuma started operation and was dismantled in 1918<ref>Francis Church Lincoln, "[http://babel.hathitrust.org/cgi/pt?id=mdp.39015011432807;view=1up;seq=230 Mining Districts and Mineral Resources of Nevada]," Verdi, Nev.: Nevada Newsletter Publishing Co., p. 216, 1923.</ref>.
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* Adams, W. S., "Cyanide Practice at the Darby, Nevada, Ore Reduction Co.," Mex. Min. Jour. 11 (1910) 75.
* Adams, W. S., "Cyanide Practice at the Darby, Nevada, Ore Reduction Co.," Mex. Min. Jour. 11 (1910) 75.
* Crehore, L. W., "Modern Cyanide Mill at Mazuma, Nevada," M&EW Sept. 11, 1909.
* Crehore, L. W., "Modern Cyanide Mill at Mazuma, Nevada," M&EW Sept. 11, 1909.
* Hill507 214.
* Hill507 214.  
* Ransome414 14-25.  
* StuartNMR 7, 121-2.
* StuartNMR 7, 121-2.
* WeedMH. 1183 Delaware M. Co. 1308 Province Ex. Gold M. Co. 1326 Seven Troughs Reorg. Ms. Co.
* WeedMH. 1183 Delaware M. Co. 1308 Province Ex. Gold M. Co. 1326 Seven Troughs Reorg. Ms. Co.
* Young, G. ]., "Co-operation Among Small Mines," E&MJ 106 (1918) 813.


[[Category:Mining districts]]
[[Category:Mining districts]]

Revision as of 06:10, 23 December 2014

The Seven Troughs Mining District is in the Seven Troughs Range.[1][2]

Young (1918) writes: "The sixth plant Fig 5 is the mill of the Darby Reduction Co at Mazuma. It is probably the best attempt of those illustrated to provide an adequate plant for a small district. The mill was equipped with an automatic sampler of the Vezin type ten 1000 lb stamps, a 4 x 17 ft tube mill, Dorr classifier, amalgamating plates, four agitators and an Oliver filter. It contained practically all of the elements of a successful custom plant and was well designed and constructed. What its success has been and how well it has served the Seven Troughs and Mazuma district I am unable to say but details of its past history and present position would be interesting. Someone familiar with the enterprise should present it to readers of the Journal.[3]."

Lincoln (1923) states that the district was organized in 1905. In 1909, the Darby mill at Mazuma started operation and was dismantled in 1918[4].

References

  1. ↑ Joseph V. Tingley, "Mining Districts of Nevada," Report 47, Nevada Bureau of Mines and Geology, 1998, 2nd Edition. See map for details.
  2. ↑ Frederick Leslie Ransom, "Notes on Some Mining Districts in Humboldt County, Nevada," USGS Bulletin 414, pp 14-25, 1919.
  3. ↑ G. J. Young, "Co-operation Among Small Mines," Engineering and Mining Journal, volume 106, p. 813, 1918. Includes photo of the Darby Mill.
  4. ↑ Francis Church Lincoln, "Mining Districts and Mineral Resources of Nevada," Verdi, Nev.: Nevada Newsletter Publishing Co., p. 216, 1923.
  • Adams, W. S., "Cyanide Practice at the Darby, Nevada, Ore Reduction Co.," Mex. Min. Jour. 11 (1910) 75.
  • Crehore, L. W., "Modern Cyanide Mill at Mazuma, Nevada," M&EW Sept. 11, 1909.
  • Hill507 214.
  • StuartNMR 7, 121-2.
  • WeedMH. 1183 Delaware M. Co. 1308 Province Ex. Gold M. Co. 1326 Seven Troughs Reorg. Ms. Co.
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