| little below $90. Outside the United States, Germany has been the principal consumer copper and has...interests are the opinion that the conditions Germany will improve early date. This may optismistic view... 596; Borchers. illustrated. Price Halle, Germany; (in New York), “Twenty-First Annual Report... recently patented Germany and England Ziegler, Schoneberg, near Berlin, Germany. The retorts are preferably...engines. There are practically two steam engines one shaft driving each the large dynamos. improbable that |
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(1926) Ore Deposits of the Jerome and Bradshaw Mountains Quadrangles, Arizona. Bulletin Vol. 782. US Geological Survey doi:10.3133/b782 |
Report (volume) |
| j'ust'east of the Verde fault, as shown in the Edith shaft of the United Verde Extension mine, it is thrown...Prescott. Another dike observed near the Tiptop shaft, in the Tiptop district, is a dullrwhite rock with...product of igneous metamorphism. Actinolite. At the Boggs mine radial actinolite occurs with garnet, epidote...specimens were obtained showing yellow garnet, actinolite, epidote, and residual calcite; all these silicates...physiographic features of the district. In the Edith shaft of the United Verde Extension mine the peneplaned |
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Neukirchen, Florian, Ries, Gunnar (2020) The World of Mineral Deposits. Springer International Publishing. doi:10.1007/978-3-030-34346-0 |
Book |
| 123 Florian Neukirchen Berlin, Germany Gunnar Ries Marxen, Germany ISBN 978-3-030-34345-3 ISBN 978-3-030-34346-0...questions, or otherwise supported us. Berlin, Germany Marxen, Germany June 2019 Florian Neukirchen Gunnar Ries...works at CRB Analyse Service GmbH in Hardegsen (Germany) and in his spare time blogs about geoscientific...Friedrich-Christian Mine in Wildschapbach, Black Forest (Germany) (photo © F. Neukirchen, Markl Collection/Tübingen)...quartz. Silberwiese Mine, Oberlahr, Westerwald (Germany) (photo © Monika Günther/Archive Mineralogical |
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Andrews, E. C. (1922) The Geology of the Broken Hill District. Memoir - Geology 8. Geological Survey of New South Wales |
Report (issue) |
| \fine, Main Shaft, ana British Mine, :\ial'i1h Shaft. ,/15. British Mine, Thompson Shaft. 16. British...Blackwood Shaft. ,17. Block 14 Mine. t/ 18. Bt'oken Hill Proprietary Mine(a,) Delprat and Stewart Shaft!'!.... (b) McBryde Shaft. /,19. Central Mine, Sulphide Corporation, Limited. 20. Brok.en Hill South Mine...Leads) 222 222 223 224 225 227 228 230 232 234 235 237 238 240 240 241 241 241 242 243 243 243 244 244...Main West crosscut, 160 feet west of Thompson's shaft Fig. 39-Segregation of Garnet Sandstone and sulphides |
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Hollister, Ovando J. (1867) The Mines of Colorado. Samuel Bowles & Co., Springfield, MA. |
Book |
| is the of the metalliferous veins or lodes of Saxony, gives the following general classification: ... narrow space. This is so true of Cornwall and Saxony that centuries have not fully into a developed...in occur in groups, like those of Cornwall and Saxony, often presenting the most complicated net- work...facts with regard to the veins of Cornwall and Saxony in centuries of work, as we are told by high authority...struck on the " cap," * and instead of sinking a shaft through it, continued to work out the whole length |
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(1948) Structural Geology of Canadian Ore Deposits - A Symposium Arranged by a Committee of the Geology Division, Canadian Institute of Mining and Metallurgy. Canadian Institute of Mining and Metallurgy. |
Book |
| persisted. Mining was carried on from an inclined shaft to a vertical depth of more than 5,000 feet. Still...west from the bottom of the shaft and shorter drifts farther up the shaft, all in quartz diorite, failed...level near the top ZEBALLOS AREA 83 of the shaft, east and west from the region of the bend, failed... 2.—North-south cross-section through the Tyee shaft, showing stopes on the North and South orebodies... The south fault, 80 to 100 feet south of the shaft, is definitely south of the South orebody (Fig. |
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(1919) Mines and Mineral Resources of portions of California. Report XV of the State Mineralogist 15. California State Mining Bureau |
Report (issue) |
| II, Lassen County. 226 227 227 228 228 229 229 235 236 Description Railroad Facilities Mining Conditions...Eagle Mine and ketch map of Hayden Mill- 231 235 Hill_ Modoc County. )utcrop of discovery vein on...Mine Camp of Goldstone Goldstone Mining M.i in shaft of the Company Open rut work at original strike...metamorphosed sediments Mill and head-frame at shaft of the Ozark Mine Mine dumps and compressor plant...Custom mill at Goffs, built district Eureka shaft 848 -of the Boose, Michael and Buchanan Company |
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