| |
| | Rocks & Minerals: History of the Comstock Lode Virginia City, Storey County, Nevada (Site not responding. Last check: 2007-10-22) |
 | | With this, Penrod insisted that they had located a quartz lode and that it should be claimed as such, with each man taking 300 feet along the vein with an added 300 feet for the discovery, rather than the smaller claims allowed a placer. |
 | | In the long and diverse history of mining on the Comstock, the engineering problems of handling the flood of hot water and the instability of the surrounding ground should have overpowered the progress of deep mining. |
 | | The main ore mass of the bonanzas was composed of quartz, pyrite, sphalerite, galena, chalcopyrite, native silver and gold, acanthite, polybasite, stephanite, calcite, and gypsum. |
| www.findarticles.com /p/articles/mi_m0GDX/is_6_74/ai_58243238 (1611 words) |
|