C—3.

Tabulated Statement showing Parcels of Ore treated at Thames School of Mines Experimental Plant during 1899-1900.

7

Name of Mine and District. Description of Ore. Dry Weight of Ore. Assa; Gold. Assay-value of Ore per Ton. ,y-val ,lue of Ore Silver. per Ton. Value. Bullion saved. Value pe Ounce. ier Percentage saved. Gold. Silver. Value. A.— By Pan-amalgamatio] Oz. dwt. gr. 7 0 20 0 1 16 55 18 0 75 10 0 206 15 0 4 16 12 1. Maorilander, Ohui Venus, Neavesville Sheet Anchor, Omahu ... Sheet Anchor, Omahu ... Welcome Jack, Gumtown Boyal Standard, Wharekiraupunga Eoyal Standard, Wharekiraupunga Eoyal Standard, Wharekiraupunga Bay of Islands.. Chelmsford, Tairua Chelmsford, Tairua Imperial, Karangahake ... Sheet Anchor .... Sheet Anchor ... Waitekauri King White quartz, with blue veins Grey quartz and red oxides of iron Brown quartz Mullock and rubble Brownish quartz, with blue veins White quartz and mullock (O.) Lb. Oz. dwt. gr. 800 6 6 1 800 0 3 12 ... 1,800 11 14 9 ... 5,400 4 8 5 ... 5,500 27 14 3 ... 5,040 0 15 10 Oz. dwt. gr. 26 14 9 0 2 12 104 17 3 28 14 17 76 17 13 1 14 0 £ s. d. 27 17 7 0 14 3 57 7 3 20 10 4 118 11 11 3 52 £ s. d. 1 2 10 2 8 9 0 12 4 0 14 10£ 17 1 18 0 83-6 800 J 95-9 52-9 74-4 69-8 80-6 79'5 91-8 97-9 93-0 72-5 801 96-2 92-2 White quartz (I.) ... ... 7,000 0 14 12 1 11 17 3 12 6 12 7 17 2 94-4 86-2 93-9 White quartz (II.) ... ... . ... 7,100 0 10 0 1 21 0 4 2 0 8 0 1 10 2 93-4 78-8 910 Busty-coloured quartz Busty-coloured quartz Busty-coloured quartz (winze) White flinty quartz Hard brown quartz Glassy quartz and rubble Foliated quartz, with manganese-oxides ... 2,000 ... 500 3 3 0 ... 560 17 17 ... 4,480 0 1 18 ... 2,240 8 18 ... 2,080 9 14 2 ... 4,800 1 8 23 7 6 5 2 0 8 0 5 1 70 14 1 69 18 2 15 5 Too poor 13 6 7 5 14 10 0 7 6 39 6 9 45 16 2 5 18 4 for treatme 1 11 6 0 14 12 0 10 12 30 6 6 57 12 0 4 5 0 nt. 1 12 0 1 14 3 14 2 117 0 13 10 2 5 2 85-6 87-8 880 94-5 97-2 76-0 57-3 81-5 71-3 31-6 73-1 69-1 8.4-0 87-6 83-5 83-2 93-6 75-7 Golden Belt, Neavesville Venus, Neavesville Puriri Eoyal Standard Eoyal Standard Eoyal Standard Chelmsford, Tairua Chelmsford, Tairua Waitekauri King Monowai Monowai ... B.— By Cyanide. 0 4 4 0 2 12 14 1 0 14 3 0 8 4 3 9 2 3 3 9 0 4 2 13 6 7 5 14 10 5 4 7 4 0 1 3 14 7 75'4 92-0 700 71-3 900 75-4 91-9 700 Mullock and flinty quartz Quartz coloured red, with iron-oxides Clayey tailings White quartz and mullock ... White quartz (I.) ... White quartz (II.) ... Busty-coloured quartz Busty-coloured quartz Foliated quartz, with manganese Concentrates Concentrates (chloridized) ... 850 0 5 22 800 0 3 12 . 2,360 0 2 2 ... 2,600 0 16 9 ... 3,360 0 15 3 ... 3,360 0 10 ... 1,400 3 3 0 ... 1,540 1 7 17 ... 2,600 15 5 ... 1,470 0 16 9 470 0 15 3 1 16 13 1 12 18 0 1 21 7 6 5 2 0 8 1 17 19 7 65 7 14 0 1 12 I 6 19 0 1 8 15 0 0 i" 0 15 0 932 87-4 92-9 14 2 86-6 78-0 847 3 13 0 0 7 7 0 14 12 19 3 16 0 0 15 2 87-3 21-4 74-4 90-4 5-2 39-2 87-4 18-0 67-7