Show COPPER FROM PORPHYRY great future production will come from this formation A press dispatch from boston says it is becoming daily more apparent that a great part of the future production of copper in this country w will i ill come from the so called porphyry deposits and as a result the stocks of the twelve companies controlling such deposits have been very active otherwise the combined capital stock of these companies is divided into sha shares es rep resenting the enormous market value of over based on over tons of copper ore developed at ely nev bingham utah santa rita N and in the kelvin and globe camps of arizona the following table showing the number of shares outstanding 5 market value of same and parity per share should prove of interest 0 rn 10 0 js C ti P fa cc i 2 ro ua 2 P 1 C 1 P 0 CD 0 ij 5 D uta utah 11 copper 10 nevada con 5 boston con 5 cumberland el deiy 5 ray con 10 miami 5 giroux a 0 ray central 5 inspiration lo 10 chino chind gila 10 totals these properties may be grouped into several classes in regard to cost method of extraction development etc under the group actually producing may be classed utah copper nevada consolidated consolidated boston consolidated and cumberland ely although the last named is temporarily shut down on account of a labor strike at their present rate these properties are producing at the rate of pounds of copper per year at costs from 10 cents a pound as in the case of the boston to below 7 cents the figure indicated in the last report of the nevada the first three of the above mentioned are steam shovel propositions while the cumberland is mined by the caving process although on on account of the high copper tenor of the cumberland ore and its adaptability t to close concentration it is held that it can produce copper at a lower cost than either of the above shovel propositions excepting the nevada in regard to the companies which are rot yet producing three of them the ray consolidated soli dated miami and ohio are building concentrating cent rating mills of and pounds per year respectively be ginning operations within the next ten months others to build mills it is regarded as likely that within the next year the rest of these companies win will be erecting reduction plants as developments at the different properties fully warrant such an action and it is predicted that within two years the low grade porphyries ries will contribute over pounds cf copper ore per annum the following table shows the ore developed ve loped average copper content of same ani and production figures all of which have been obtained from engineers reports 0 da oi 30 11 10 D C Z 3 s y 00 ro 0 M 3 M 3 05 0 3 m u 3 l lr I 1 0 ra qa i 3 S ut m 0 utah copper 1 0 nevada con 2 i cumberland Cuili berland ely 2 2000 oooo boston con 1 y oo ray con 2 I 1 miami 3 ohio 1 giroux 3 ray central centa i 2 inspiration 21 wf chino 77 7 gila total 1 60 0 per cent at present tied up by labor strike |