Show AT DAL GREAT OREA T MILL Comprehensive Description of Sher Sherman Sherman man min Shines Process OBSERVATIONS S OF WASCOTT W SCOTT use The 1 cli 1 Known Denver Mining liming 01 1 At Al n The ShermAn almes climes proc OC M which ha line b been n In ill II successful operation at the lal Ve t mine arid and which m hiss hag betin adopted mid And IH is II beIng installed At the plant at City wag Wil liven iv n pac for rOl a description In th tIme the current issue of ur tho the Mining lt r of or Denver The lime or ar article orIce tide Ice was VIM WI periled d by W V A Scott 1110 elate editor of oC that publication who visited the coin of or City r recently Of or the Hit Daly mill 11 the writer says cuya In the null mill 11 work the ore pauses passes from the tire cru her through various sets sola of und arid rolls lolls thence to tn tho Jigs which make live sizes or uC products run running ring ning about 49 40 per cent lead 12 2 to 0 5 61 ounces sIlver nil irit 11 accompanied l by only a n little lite lion and no po 10 nine ml The jig Jil tall lull tul lags Inga are lre reground In the tire hulls passing thence to u u row of ot WI SIl SIllIe lluy ley lIe tables which n a 1 concentrate running 25 2 per cent lead t M 56 C to IS 68 S ounces sliver iO 20 o PV ler cent celt 11 atul 12 to 14 1 per Ilor percent percent cent Iron Irn Tho rho ro middling from these ta tables tables bles pass iasa to another group of con concentrating tables tablet which muk a U pro product Iro product duct that runs from front 12 1 to 15 per por cent lend lead CO 60 to 80 C ounces silver lver and 3 32 to 33 per cent celt zinc Now Non No both groups of or ta tn tables bias bles bl 9 above noted throw off or n a u shine llo or tailing material ThIS Thin ld other oilier over overflow overflow flow clinics arc aro raised by centrifugal to the tile Sherman slime shine settling nettling and classifying tanks t the tire work of ot which Is I the tue moat meet mot Interesting feature fe lue of or the tho mill work nork ork There are nrc six AI or mi seven of ot these tanks each 12 feet deep deel The fhe one Is i three and amid feet In The he diameter of ot each Sue DUO tank l i Ie to give It double louLle the Ration gallon rapacity of oC the time ono one before It I Within each cacti tank tonk Is In suspend oIl ed an un Iron cylinder sl lx feet reet open at al alboth both ends The upper end ont reaches a I few rew Inches above tire the top toll of the main tank The TIre main tank converges at the Into a outlet The Tue Tle slimes are ore delivered Into the tank through the tire cylinder When hen the tho mill millU mil U is In operation all al the tue tanks are re Kept full rul on as the tire ono one Oll constantly overflows In Into into n nto to the next succeeding It I the tire suspended cylinder In each eRoh tank receiving the tho climes The In iii of or tho tIme nt It the top creates croatO In those cylinders c a 1 constant down want current producing In Sri turn tur this each ench tank receiving the tire slimes This pouring In or of the tire slimes at lt the top tO crener In iii those cylinders c u a constand downward current producing In iii turn tur nn Rn upward current within the time tank lank but ut outside of or the this cylinder The upward current at the top of the tunIc tank Into tIre the next ne l carrying the lighter slimes dImes with wih It I Alt All the material Is car carried ned ried by b the downward current to a point near ner the bottom of ot the tank That which U II I coarse coarie loarl ammil heavy settles tes to toward toward ward time the tle bottom Even Iven particles re cc remaining roo In suspension sUll In water might he ire le of weight to re resist Ut th the force of the upward current and nettle anti pass out at lt the 11 nt ot the tue bottom the time of nt th lb tn ter kr Is rapid and turbulent le t and an only emily Iii the heaviest material settle nettles mill 11 product heaviest material settles but In each cant tank It is larg Ian larger rr er r the volume of or water vater und anti the Intake the Aim the velocity become less leu the tle movement nt of f water In Inthe Inthe the larges t tanks being only perceptible It I will wi I be seen len then that thit In tim the larger larer tanks the up upward ard current be of ot force to r ral raise li on Iv Ii the smell small smal particles This Is II the theory of or the system the walty of at which Is II the Ih way WiY In II which It 1 works out nut BB air al to results In tire the man roan nor ncr described the slimes climes are relieved of ot otIn an In exee amount of ot water Now No opposite each tank and below Its It bottom level Is i a table which receives receive the tlE slime nettling from the bottom of or the tank Each Kach table makes n a concentrate the sue size of ot which shows what a perfect classification If I made mad In the tank The middling from each table tire are Ire pumped l back to this the tank whence Ih nl they rain came ale to take the course again The This tailings tailing are ar comi composed 9 d almost entirely of or silica len This The Tle concentrates resulting from the time tank climes bear hear a ave very uniform value I UI run W 6 to 10 M 30 3 per pr cent lead led 10 per cent nt aloe alno S 8 to 10 18 per Pr sent cent lt Iron Irn anti and pr SI 54 to U 81 S ounces sliver silver to the lver tl ton In the coarse IMn table work or that which follows follow the jigs and ami Huntington the teed feed r 11 end nd of ot the Is II tn to t or of an Inch lower than the discharge end hut but In the worx worK of or the Ih iline ta ble bl blea this Is I revered r rd the discharge end Wing being to tn of at nn an Inch lower loer than the th fe fed l end Ind The slimes slime settled In the tanks tank end amI concentrated by b the tables are Ste re finer Iner that timet h In the magnetic separation of the Iron Irn from Imm roan the line sine In his hil mill product It I Is i I shown hlIn that hat I Ia t every ton of II sine nc nf car cor 8 r It la Is shown hon bow lust hut I every et ton of sine inc CT ant r rise shout I out U IS ounces of silver The Th Jal West Wt mill mi has hai ha the tb capacity to ta handle m to 24 W 2411 tow tose tOI of o o ore per r SI II hours hur Mr Ui Jf thU thle slime system m Is II beIng pro 11 for tor In the In Jr the urns mt district mi |