. Mining and Scientific Press . rnrfefc 30 I—-! 31 11 OW-SHEBI— CYANIDE PLAN! 1 . tramway. 17. Zinc-boxea. •2 lh. Solution tank. 3. 10. Sump tank. 4. Blake rriiHhcr. 20. Slime pond. B. Storajfe-Mn. •:i Kroi-li contrifugal pun e. 1 ! Dorr duplex ela- 7. Stamp-batteries. 28. Dorr thickener B Amalgamating plat • i Agitators. 9, Amalifam 1 2ft, Dorr r 10 K |.-ifl(T. tying lank 1 1 WUfley concentrating table. 27, ? 1 - Centrifugal p 1 1 !S Storage tank. 14 Hon pomp, ,im Zino-boxe*. 1 ? lrrel. 31. Sump tank 16 Dlitribulinr barrel. October 29, 1921 MINING \ND SCIENTIFIC PRESS slime were co
. Mining and Scientific Press . rnrfefc 30 I—-! 31 11 OW-SHEBI— CYANIDE PLAN! 1 . tramway. 17. Zinc-boxea. •2 lh. Solution tank. 3. 10. Sump tank. 4. Blake rriiHhcr. 20. Slime pond. B. Storajfe-Mn. •:i Kroi-li contrifugal pun e. 1 ! Dorr duplex ela- 7. Stamp-batteries. 28. Dorr thickener B Amalgamating plat • i Agitators. 9, Amalifam 1 2ft, Dorr r 10 K |.-ifl(T. tying lank 1 1 WUfley concentrating table. 27, ? 1 - Centrifugal p 1 1 !S Storage tank. 14 Hon pomp, ,im Zino-boxe*. 1 ? lrrel. 31. Sump tank 16 Dlitribulinr barrel. October 29, 1921 MINING \ND SCIENTIFIC PRESS slime were contaminated the oni mti the other Sotiairing testa aee Table] show that only 689 ofthetotalfeed in the leaching-plant is plus 100 mesh. On the otherhand, the slime contains aboul B ad. Closer classi fication will be attempted hereafter, !>y producing acleaner sand in the mill-classifier, and by treating the. ICING SLIME slime with a Dorr duplex drag-classifier before it entersthe slime plant. The Band from the drag-classifier is delivered by laun-ders to a Wilfley concentrat-ing table. The concentrate isstored until sufficient haecumulated for treatment inthe cyanide table tailing is Benl to abucket-elevator which litto Buch a height that, with theaddition of some water, it willflow in launders to the leaching-vats. Mill feed and tailing are uolsampled for assay. The con-centrate from the Wilfley tableassays + per ton. ? BONG-PLANT. This plantwas built six years ago. It con-nate of five 30-ton and one 35ton leaching-vats, tie 30-tonsump storage tank, one 20-tonsolution tank, and two 9 partmenl zinc-boxes having a combined capacity of oneton of solution per hour. Owing to climatic conditions, the cyanide plant mustcease operations several weeks before the mill does. Thesand from the mill is then senl to settling-ponds, andstored for treatment during the follo
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