Gold Mining: Proceedings of the International Conference on Gold Mining Technology, Beijing, China, 15-17 June 1993 |
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Page 143
... Parameters Prior And Posterior To Exploration And Production At Some Stopes Of A Certain Gold Mine Reserves Parameters As of The Original Geologic Exploration Metal Grade ( g / t ) Table 2 Expenses To Be Invested For Reserves Of Various.
... Parameters Prior And Posterior To Exploration And Production At Some Stopes Of A Certain Gold Mine Reserves Parameters As of The Original Geologic Exploration Metal Grade ( g / t ) Table 2 Expenses To Be Invested For Reserves Of Various.
Page 317
... Parameters Selection of Bolt and Wire Cable 7 3 Fig . 2 Wire cables structure 1 borehole ; 2- anchorage head ; 3 ... Parameters - The roof of test block is the bedded slate . Ac- cording to the theory of compound beam , the support ...
... Parameters Selection of Bolt and Wire Cable 7 3 Fig . 2 Wire cables structure 1 borehole ; 2- anchorage head ; 3 ... Parameters - The roof of test block is the bedded slate . Ac- cording to the theory of compound beam , the support ...
Page 443
... parameters of each eqipment measured in the field , plotted an efficiency curve ( see Fig.2 ) . 5.2 Logged the net operating time rates of the mining equipment in the case of working alone as well as working with others . For instance ...
... parameters of each eqipment measured in the field , plotted an efficiency curve ( see Fig.2 ) . 5.2 Logged the net operating time rates of the mining equipment in the case of working alone as well as working with others . For instance ...
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
According alteration angle application average backfill belt blasting block body capacity carried cement China compressive concentration cost depth direction distribution district dredge drift drilling economic effect efficiency equipment exploration fault Figure flocculation formed fracture geological gold deposits gold mines grade ground higher holes important improved increase indices intensity length less load located loss lower major mass material measures mechanized method mill mineralization mining method occurred operation orebody period pillar placer present problems production prospecting Province quartz raise range ratio recovery reduced rock roof samples screen sericitic shaft shown shrinkage side slice sluice stage stope strength stress strike stripping structure surface Table tailing thickness tion trend upper various vein ventilation vertical wall zone