MINING.

Star (Christchurch), Volume LXVI, Issue 20455, 7 November 1934, Page 11

MINING.

Reports and Returns on Operations. ELECTROLYTIC ZINC.

Mount Isa Mines report on operations for the 1 week ended October 20— Ore milled, 9732 tons; silver-lead bullion produced, 551 tons; bullion railed to Townsville. 549 tons. Clutha River. LONDON, October 5. The Clutha River Oold Dredging Company announces that the contract for the pontoon and superstructure of the company’s dredge has been placed, and the first shipment of the materials i* expected to be made early in December. Regular shipments of the machinery and subsidiary plant will follow until completion. The dredge has been designed by Messrs F. W. Payne and Son. Electric power for the dredge will be supplied by the Otago Centrnl Power Board. Blackwater. Per Press Association. REEFTOX, November 6. The Blackwater mines return for OeV2*jer is:—("rushed 3705 ton**, yielding J7S9 fine ounces of gold, valued at £12.522. Working costs £6047. working £1*306 £6475 ‘ Development £716, capital Alexander. Per Press Association. REEFTOX, November 6. The Alexander mines clean-up for Ocr. waß , 2fio tons crushed for 1250 z IRdwt melted gold. Cyanide—l 94 tons of sands were treated for 440 z lOdwt bullion, estimated value £1166. In addition 6.87 tons of concentrates have been saved valued at £203. in e*timatthe. values gold has been taken at 140 s per fine os. , Deep Bead. t ,T he *n! ,r ? re * ist * r of th, D.ep L.ad, Ltd., will be closed to-morrow. Maori Gully. The launching of the pontoons for the < J ul , yl . Oold Dredging Company's dredge took place at the week-end. The pontoons are 89 feet in length. 28 feet in breadth and 7 feet deep, and are built of heart of red pine. The dredge, which is designed to put through up to 60,000 cubic yards monthly, is expected to commence operations very early in the new year. The preliminary construction work was commenced in May last, and fifteen men have been engaged in the construction of the pontoons. A number of additional men will now he put on. When completed, the dredge will be a very strong, up-to-date machine It will be electrically driven, and already the power Is connected up, and is being used in the construction work. Talisman Dubbo. Talisman Dubbo Hold Mines. Ltd., report on November 11 as follows:—F.ixtvseven wet tons, equal to sixtv-one dry tons of ore were treated at the Golden Dawn battery for an actual realisation, on So per cent extraction, of £389.

METAL MARKET. London Quotations. United Press Assn.—By Electrie Te 1 egra ph —Cooyri gh t. Mis , , _ . LONDON. November 5. Metal Fxchange quotations are as follow. those previously cabled being given for purposes of comparison:—

The latest production statement of the Electrolytic Zinc Co. is as follows :— Four Four weeks weeks ended endet* Sept 19. Oct 17 Zinc, tons 4,150 4.16C Of which used at works 50 St Silver lead product for shipment to Port Pfrie for realisation— Eead, tons 160 * 150 Silver, ounces .... 15,000 14,500 Mount Morgan Production. Following is a comparison of production figures of the Mount Morgan mine, Queensland, for the last two fourweekly periods:— Sept 19 Oct 17 Ore quarried, tons . . 11,759 13,*97 Concentrated, tons .. 12,250 14,120 Assaying— Gold. dwt 6.7 R 5.96 Copper, per cent .. 0.55 0.70 Concentrates, tons . . 443 481 Containing (estimated)-*— Gold, oz 2,672 2,837 Copper, tons 60 90 Mount Xsa.

Xov. 5. X< Per Ton. Per Ton. Copper— a. £ d. Standard, spot *>« 18 standard, fwd. fi Electrolytic 10 0 to 30 10 0 30 Wire bars .... 30 10 o Lfi d— 10 fi Forward .... 10 Spelter— Spot 12 6 3 Forward .... 12 11 3 Spot "*>* 18 <» 00(1 Forward .... Silver— Standard oz. Fine, oz. „ . .. 1 1 d. 23 25 3 7-16 3-16 228 11 d 231 25i