Show CYANIDE PLANT PAT fR FOR OR GRANO CRAND CENTRAl AND AD- SIOUX CON MINES MINS For four or five weeks laboratory tests have been made mado on the tho low grado rado ores of tho the Grand Central and Sioux Consoli Consolidated dated rated properties in TintIc The Tho results 8 have haver o ha b been en highly satisfactory hut but hit Cot Col C. C E. E Loose said sold this this morning that they were making a a. a practical test on five tons of 0 this or ore and d that If It the return returns were wens satisfactory factory they would then decide on plans for a a. n plant Thus Thu far arthe the tests that have ha been made mado demonstrate tho tact fact that tha the best re results re suits arc aro arf obtained b by a L cyanide treat treat- merit ment Should the tho practical tests show that this Is tho best method to b be b employed employed em em- there will vilI wi he no further need neNI for tor ox try trying ng out another process The plant will wi doubtless bo be n a I largo large ono one ns as af the tha tonna tonnage ton ton- na nage e of low grade grad rat i ores oret developed In ii th the Grad Grand C Central mine alone alono would keep a big mill mi steadily employed for man many many- years earA One n anta advantage In treatment of ot the theor 4 or ores of at this property Is lE that the they are aro of 01 ofa r ra a R similar character throughout while a great many of th the complex ores of Tintic chano change with eve every ep y level After careful pi preparation Colonel Colon l Loose 4 Is 11 of tho the opinion that they can Install a process that will wJ successfully treat trat most L of ot tho low grade Jrade ores nf or th the 7 two prop prop- erUe and most of ot the tho possibly ot copper coppet ores of at the camp Sioux is 11 just coming Into Its It copper zon zone and during tho the past pat month months It has demonstrated I ropper opper bearing ore oN which In Is If said to carry opper about abut 60 50 per pei percent percent cent of the mineral minerai contents Carisa hat has x a great areat rent deal of oC this ore and In tho the vi vicinity 1 there is iA a largo tonnage of this x character which has not been marketable o Such a n plant would employ a n great rat man many men and wh while It I may not be he h erected In Eureka It would b bo tributary to that camp |