Show OIL FLOTATION AT OURAY A dispatch from ouray colorado says t the atlas mine in the sneffels els range ray iray district the reported successful reits its of oil flotation for the mixed ores have used interest in the availability of this ecial treatment for other mines in the aliby having similar ores the atlas st was on an operating scale and after ap tation the process seems to meet all both as a means of direct J con nt at ration of the sulphide ores and slimes om m the gangue and as an agency for se tive separation within limits hereto re e the attempts at solving the complex e problem in this camp were mostly coned to the applications of refinements and 1 of the regular wet table pods some soine application of the electrostatic thod has been made with good results t in general this method did not entirely e em M to meet the operating conditions A electrostatic plant at ouray has lie e satisfactory work from a technical I 1 midpoint ind iid point but companies have not largely led themselves of the facilities of this t one reason is that the smelters shelters sm elters have erl Q letting lown down the bars on the zinc ores bently and the companies are not con anted W with ith the zinc penalty bugaboo as Iii erly it is reported that some of the lal al contracts accept 15 per cent zinc 1 ahe the ore without penalty there remains wever the loss of the zinc and the freight t on oil the zinc in the concentrates is lous ions |