Gold Mining: Proceedings of the International Conference on Gold Mining Technology, Beijing, China, 15-17 June 1993 |
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Page 84
... Zone in Hetai Gold Mine Up to date , 70 odd mylonite zones have been discovered in mining district in an echelon arrangement trending NE 50 ° ± , distributed at the north ... zone to primary mylonite zone and mylonitization zone . The -84-
... Zone in Hetai Gold Mine Up to date , 70 odd mylonite zones have been discovered in mining district in an echelon arrangement trending NE 50 ° ± , distributed at the north ... zone to primary mylonite zone and mylonitization zone . The -84-
Page 85
... zone and mylonitization zone . The main orebody mostly occurs in ultramylonite zone or mylonite zone . 3. Follow the variation of intensity of ductile - shearing deformation , the elements in that zone have shown the phenomena of ...
... zone and mylonitization zone . The main orebody mostly occurs in ultramylonite zone or mylonite zone . 3. Follow the variation of intensity of ductile - shearing deformation , the elements in that zone have shown the phenomena of ...
Page 109
... zone of gold mineralization and gold ores just spread out along this negative landform and becomes the vital criteria of prospecting and exploration . Md 1. The prinicipal features of F45 fracture F45 fracture is located between ...
... zone of gold mineralization and gold ores just spread out along this negative landform and becomes the vital criteria of prospecting and exploration . Md 1. The prinicipal features of F45 fracture F45 fracture is located between ...
Contents
Prospecting Criteria and DeepSeated Prognosis of Buried Ore in Jiapigou Gold Mining | 8 |
Update on Mining Activities on the Island of Hispaniola Dominican Republic and Haiti | 23 |
An Approach of the Geologic Genesis of Jinchanggouliang Gold Deposit Inner Mongolia | 42 |
Copyright | |
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Common terms and phrases
93 ISGMT alteration Ankang anomaly Archean auriferous average backfill belt blastholes blasting block body bolts bulldozer cement content China chinese yuan concentration cost country rock cut-and-fill density depth deslimed mill tailing distribution dolomite dosage level dredge dredger drilling effect equipment exploration fault fill flocculation footwall geological gneiss gold deposits gold mines gold recovery grade granite gravels haulage Heilongjiang holes hydrothermal increase Inner Mongolia Jiaojia load lower magmatic material metallogenic metamorphic migmatite mineralization mining district mining method mylonite operation ore-controlling ore-forming orebody parameters permafrost placer gold placer mining production Proterozoic Province pyrite quartz quartz vein ratio resuing riffles rock mass roof samples screen sericitic shaft shear shotcrete shrinkage sill pillar slice sluice sluiceboxes slurry stage stope stress structure sublevel surface Table thickness tion trend unconfined compressive strength underground ventilation system vertical width Xiangxi Zhaoyuan