A Study of Methods of Mine Valuation And Assessment With Special Reference to T
A Study of Methods of Mine Valuation And Assessment With Special Reference to T
William Lawrence Uglow
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960 X 40, 00 = ......... $38, 400 Valuation: ' X 0. 88 = ................. $32, 500 (3) Beginning of tJie 3rd year. The factors used are based exclusively on the average of past pro- duction. Data: Probable grade of dirt ........................ 9 . 31 per cent Probable grade of ZnS concentrates ............ 43. 25 " " Probable cost per ton dirt .................... $1. 323 Probable price of spelter ...................... $5. 25 per cwt. Ratio of PbS to total concentrates ............. 1. 96 pe...r cent Price of 43. 25 per cent ZnS concentrates ....... $22. 70 Price of PbS concentrates .................... $49. 00 Estimated ore reserve ........................ 40, 000 tons Estimated annual hoist ....................... 65, 000 tons Estimated life of mine ........................ . 615 year Estimated profit per ton dirt .................. $0 . 835 Estimated total profit: 0. 835 X 40, 000 = ........ $33, 400 qq A oo Valuation: ~ X 0. 88 - .................. $28, 350 (4) Beginning of the 4th year.
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