Register  
Forgot Password?
Forgot User Name?
 

Search Results

Search Results for "calculating equivalent grades"

  Search Again
Organization / Society
AIME (189)
AUSIMM (90)
DFI (9)
NIOSH (103)
RMCMI (4)
SAIMM (28)
SME (148)
TMS (11)



Showing: 1 to 10 of 582 matches for "calculating equivalent grades"  Page   1   2   3   4   5   6   7   8   9  next
TITLE Sampling And Ore Control At The Montana Tunnels Mine Jefferson County, Montana 
SUMMARY ... to an acceptable .001 ounces per ton gold equivalent. A comparison of mine versus
mill grades for the ... This program has the capability of calculating tons and ...
AUTHOR Snoddy, W. M.
PUBLISHED 1991
TITLE Geostatistical Analysis Of 18cc Stope Blcok, C.S.A. Mine, Cobar, N.S.W. 
SUMMARY ... a regular grid so that in calculating the variogram ... the weighted average of the grades
of the ... boundaries) represent only selected, non-equivalent sections of a ...
AUTHOR Leach B G
PUBLISHED 1979
TITLE Determination Of Optimum Cutoff Grades Of Multiple Metal Deposits By Using The Golden Section Search Method 
SUMMARY ... The equivalent grades method has some flaws, but if minerals have fairly stable
values, this procedure is valid and simplifies the problem. ...
AUTHOR Ataei, M.
PUBLISHED 2003
TITLE Product Monitoring, Grade Control, and Ore: Waste Reconciliation at Bougainville Copper Limited (BCL) 
SUMMARY ... by taking the mean of all blasthole grades within a ... copper, grindability, rock type
and metal prices when calculating the combined equivalent copper grade. ...
PUBLISHED 1986
TITLE Evaluating All the Alternatives to Select the Best Project Strategy 
SUMMARY ... grades can be found by calculating NNSRs for the grades of a representative ... set of
multipliers to apply to the grades to obtain dollar value equivalent grades. ...
PUBLISHED 2007
TITLE Evaluating All The Alternatives To Select The Best Project Strategy 
SUMMARY ... grades can be found by calculating NNSRs for the grades of a representative ... set of
multipliers to apply to the grades to obtain dollar value equivalent grades. ...
AUTHOR Hall, B.
PUBLISHED 2007
TITLE Confidence Intervals for Local Estimation: Application to the Witwatersrand Basin 
SUMMARY ... takes into account the fact that block grades are less skewed and less variable
than sample grades. ... Figure 4. Calculating the Gaussian Equivalent for a ...
AUTHOR Roth, Chris ; Armstrong, Margaret
PUBLISHED 1996
TITLE Ore Reserve Estimation, Iron Ore And Taconite In Minnesota - 1.0 Purpose and Scope 
SUMMARY ... To determine ifa deposit is economically mineable, cut-off grades must be established
to determine the ... 4.1.2 In calculating the "equivalent stripping ratio ...
AUTHOR Weaton, G. F.
PUBLISHED 1985
TITLE Application Of Economic Parameters And Cutoffs During And After Pit Optimization 
SUMMARY ... large number of combinations of these grades that are ... involve the calculation of
a "copper equivalent" grade, as ... This is achieved by calculating the value of ...
AUTHOR Baird, B. K.
PUBLISHED 1999
TITLE Application Of Economic Parameters And Cutoffs During And After Pit Optimization 
SUMMARY ... large number of combinations of these grades that are ... the calculation of a “copper
equivalent” grade, as ... This is achieved by calculating the value of the ...
AUTHOR Baird, B. K. ; Satchwell, P. C.
PUBLISHED 1999
Showing: 1 to 10 of 582 matches for "calculating equivalent grades"  Page   1   2   3   4   5   6   7   8   9  next

Search Again