C.-3.

"Tabulated Statement showing Parcels of Ore Treated at the Thames School of Mines Experimental Plant for the Year ending the 31st March, 1893.

14

CO 6 i Ai isay-value if Ore pel'on. CO r. CO o OJ CO s Percentage recovered from Amalgamated Plates. Percentage recovered by Hot-pan Amalgamation. Total Percentage recovered from all sources. Name of Mine and District. Description of Ore. I Method of Treatment. Bullion. Gold. Silver. Value.' Gold. Silver. Gold. Silver. Value. Gold. Silver. Value. pq Value. Jubilee Mine, Waitekauri Grey-coloured quartz, containing about 15 per cent. Fe S 2 Mullocky quartz Lb. 562 Oz. dwt. gr 4 10 8 Oz.dwt.gr 1 10 6 Oz.dwt.gr 3 0 2 H s. d. 6 10 1 Wet Copperplates, and pan-amal- 1-4 gamation of tailings Ox. 1-4 IS 87 0 88-5 Kelly's, Tapu Creek 100 5 0 20 113 3 19 17 4 16 6 Dry j Pan-amalgation with cliemi- 022 cals Oxidized roasted, and pan- 3 G amalgamated 022 890 890 Smith, Una Hill Clayey ore, containing large percentage of iron and copper pyrites Highly mineralised .. 1,408 6 13 14 3 15 15 2 17 23 15 11 2 3-6 90-0 900 Alburnia, Thames 640 89 10 11 44 7 6 45 3 5 184 4 5 Chloridized roasted and pan- 190 amalgamation Pan-amalgation .. .. 18 25 93-2 93-2 Gem Mine, Waiomo City of Dunedin, Tararu.. Eminen ce Mine, Thames.. Royal Oak, Coromandel .. Oamera, Great Barrier Island Silver Queen, Marototo .. Friable quartzi, with silver chloride; Friable white quartz, with calcite Hard blue quartz Hard rusty quartz .. Hard blue quartz Hard brown quft-rtz .. 320 2,800 2,240 558 225 87 11 10 2 8 4 1 13 14 772 1 0 47 19 14 26 2 10 10 4 0 3 12 451 6 2 7 16 12 61 9 0 18 0 1 10 2 320 14 22 40 3 2 113 15 0 4 5 0 0 18 6 1,845 6 6 37 6 10 Pan - amalgamation with ! 1-6 chemicals Pan-amalgamated 04 Pan-amalgamation .. 201-0 Pan - amalgamation with 30 chemicals Pan - amalgamation with j 2-3 chemicals Pan - amalgamation with iO-75 chemicals Pan - amalgamation with 9 8 chemicals Pan - amalgamation with . 7-0 chemicals Pan - amalgamation with 71 chemicals Copperplates, and pan-amal- 11-3 gamation of tailings Pan - amalgamation with 41.0 chemicals Pan - amalgamation with 1-1 chemicals Oxidize roasted, and pan- 1-25 amalgamation with chemicals Raw pan-amalgation with l-l chemicals Pan-amalgamation .. 6-0 95-1 610 91-6 95-4 91-0 86-5 47-0 28-0 96-3 55-0 93-0 600 743 95-8 85-0 95-1 61-0 91-6 95-4 91-0 86-5 47-0 28-0 9G-3 55-0 930 600 74-3 95-8 85-0 106 276 0 0 5 0 20 217 19 4| 60 16 4 94-2 15-4 40-8 94-2 15-4 408 New Find, Waitekauri .. Brown quartz ] 70 32 10 0 2 18 6 29 11 18J 16 1 8 88-0 85-7 83-2 88-0 85-7 83-2 Skeen's, Waitekauri Hard brown quartz .. 2,065 14 2 0 3 0 12 11 1 6, 13 15 3 81-6 72-5 80-5 816 72-5 80-5 Oamera, Great Barrier Island Newsham, Waiorongomai Very hard greyish blue quartz Brown quartz 2,940 1,960 21 16 1 14 1 6 0 3 1 2 1 12 21 2 0 11 19 18 3 17 0 10 2 0 97-1 69-0 261 55-4 3C-8 665 97-1 690 261 55-4 36-8 66-5 1,880 17 4 3 4 12 21 I 12 12 1 20 6 21 Wet 308 8-7 28-5 54-0 63-1 54-7 84-8 71-8 83-2 Jackson Palmer, M.H.R., Great Barrier Island New Find, Waitekauri .. 1,660 58 12 0 32 2 9 0 10 21 12 0 2 58 1 3 20 2 7 10 17 8 51 0 8 Dry 940 75-0 930 91-0 93-2 76-3 940 75-0 93-0 91-0 93-2 76-3 i 90 Norfolk Mine, Tararu Concentrates 420 10 16 19 2 0 8 8 16 11 9 7 9 75-0 56-2 72-2 75-0 56-2 72-2 Norfolk Mine, Tararu Creek Matarangi, Kuaotunu 500 16 0 2 1 17 19 14 2 61 2 12 23 9 13 6 1-1 730 21-3 610 730 21-3 610 Yellowish quartz .. : 2,180 5 15 23 3 3 0 13 0 0 6-0 88-0 87-5 88-0 88-0 87-5 880 City of Dunedin, Tararu.. White quartz .. j j 100 2 8 4 1 0 4j 18 0 4 5 0 Chloridize roasted, and pan- 0-1 amalgamation 0-1 93-6 71-3 91-3 93-6 71-3 93-6