 | | Report (issue) | | limestone or dolomite. It is a useful ore guide in many mining districts UNITED STATES GOVERNMENT PRINTING OFFICE........... Characteristics of jasperoid in major mining districts of the United States ..................................................... Tri-State district, Oklahoma, Kansas, and Missouri ................Clifton-Morenci district, Arizona .............................. Bisbee (Warren) district, Arizona ........ Ely (Robinson) district, Nevada .............................. Leadville district, Colorado ...... |  | | Report (volume) | | Gold in Jasperoid, Elephant Head Area, Lander County, Nevada U.S. GEOLOGICAL SURVEY BULLETIN 2009 Geochemistry...Gold in Jasperoid, Elephant Head Area, Lander County, Nevada By TED G. THEODORE and GAIL M. JONES U.S....gold in jasperoid, Elephant Head area, Lander County, Nevada I Ted G. Theodore and Gail M. Jones. p. cm...ores-Geology-Nevada-Lander County. 2. JasperoidNevada-Lander County. 3. Geochemistry-Nevada-Lander County. I....Geologic map of the Elephant Head area, Lander County, Nevada In pocket FIGURES 1. 2. 3. 4. 5. 6. 7. 8 |  | | Book (edition) | | to civilization. . . it is clear that 1825 mining opened the West- . —Charles W. Henderson, 1933...Highlights in the history of New Mexico mineralogy and mining 3 5 Prehistoric utilization of minerals New...SUBDISTRICTS, CAMPS, ETC. 569 BIBLIOGRAPHY 597 MAP: Mining Districts of New Mexico in pocket II. PREFACE...highlights in the his- New Mexico mineralogy and mining— including a section on the prehistoric utilization...edition, 1892. A. H. Fay (1920) A glossary of the mining and mineral industry. R. E. Grim (1953) Clay |  | | Report (volume) | | Arizona, southeastern California, and southernmost Nevada 53 Schematic diagram showing structural position...The data for each deposit include placer type, mining method(s), production history, bedrock source,...the three deposit types. Tabulated data for each district include tonnage, grades, basement rocks, and references...emplacement of the host rock; the size of the district; the temperatures of mineral deposition; the chemical...placers. However, when these data were coupled with mining methods, estimates could be made of the amount |  | | Book | | RESOURCES Methods of Assessment and Results 11. R.G. TAYLOR GEOLOGY OF TIN DEPOSITS 12. H.K.GUPTA GEOTHERMAL...Netherlands. Special regulations for readers in the USA — This publication has been registered with the Copyright...made in the USA. All other copyright questions, including photocopying outside of the USA, should be referred...J ■I p r e s e n t l i m i t of 1 underground mining ■■1 1 •H CO CO cd •H cd \ i 4-1 •H c ...granodiorite composed of white, creamy or greenish plagioclase; creamy to pink or also white potash feldspar; |  | | Book | | RESOURCES Methods of Assessment and Results 11. R.G. TAYLOR GEOLOGY OF TIN DEPOSITS 12. H.K.GUPTA GEOTHERMAL...Netherlands. Special regulations for readers in the USA — This publication has been registered w i t h the...made in the USA. A l l other copyright questions, including photocopying outside of the USA, should be...u n d e r g r o u n d 1 of QJ · · u , Ό mining 1 1 IL··I _ l ~ U C > cd rH cd 3 1 "1...granodiorite composed of white, creamy or greenish plagioclase; creamy to pink or also white potash feldspar; |
|
