The Mining Magazine
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The Mining Magazine Managing Director and Editor : VV.F. W h i t e . Assistants : S t . J. R .C . S h e p h e r d , A.R.S.M., D.I.C., F.G.S., F. H i g h a m , A.R.S.M., M.Sc., F.G.S. Published on the 15th of each month by Mining Publications, Limited, at Salisbury House, London, E .C . 2 . Telephone : Mctropolitan 8938 Telegraphic Address: Oligoclase. Codes: M cN eill, both Editions, & Bentley. ( New York : Amer. Inst. M. & M.E. B ranch O ffices Subscription i P" .annum, including postage. (Chicago: 360, N. Michigan Blvd. I U.S.A., $3 per annum, including postage. P R I C E Vol. XLV1. No. 2. LONDON, FEBRUARY, 1932. ONE SHILLING CONTENTS PAGE PAGK E d it o r ia l Vancouver................................................. 99 Notes .. 66 Production in 1931; Stewart; Anyox ; Trail; Taku River ; Omineca. A James Table Story ; William Thomas Memorial ; Appeal for Institution Benevolent Fund ; Opening 101 of Grant Institute of Geology at Edinburgh ; Toronto ................................................... Geophysical Exploration. Gold Production of Ontario for 1931 ; Porcupine ; Kirkland Lake ; New Goldfields ; Sudbury ; Rouyn. Industrial Research .............................. 66 The report of the Department of Scientific and Industrial P e r s o n a l .............................................................. 103 Research for 1930-31 is reviewed. T r a d e P a r a g r a p h s ............................. 103 Gold on the West Coast ..................... 67 Attention is drawn to a recent address by Sir Albert The " Meg ” Earth Tester .................... 103 Kitson on the gold resources of Gold Coast Colony. Ruston-Bucyrus Excavators .................. 104 A Welsh Drainage Tunnel................... 68 Proceedings at the January meeting of the Institution New Dredge Bucket Device....................... 105 are discussed. M etropolitan-Vickers Progress in 1931 . 105 R e v ie w o f M i n i n g .......................................... 70 A New High-Speed D iesel......................... 106 A r t ic l e s M e t a l M a r k e t s ....................................... 107 The East Geduld Mine . .. .H. R. Hill 73 St a t is t ic s o f P r o d u c t i o n ................ The author, who is consulting engineer to the Union 109 Corporation, Ltd., describes the equipment and development of this property on the Far East Rand. P r ic e s o f C h e m i c a l s .................................... I l l The Goldfields of Dutch West Borneo S h a r e Q u o t a t io n s .......................................... 112 E. J. Vallentine 86 An outline of the history of a goldfield which is com M in in g D ig e s t paratively little known, together with a description of the origin of the deposits. A Drainage Tunnel in North Wales Uganda .......................... E. J. Wayland 90 J. L. Francis and J. C. Allan 113 (Continued from the January issue, p. 15.) New Precipitation and Cyanide Recovery Process .........................R. M. P. Hamilton 118 L e t t e r t o t h e E d it o r The Flotation of Non-Sulphide Ores The I. M. M. Benevolent Fund W. H. Coghill and J. B. Clemmer 120 Hugh F. K. Picard 94 Coarse Crushing at Mount Lyell..................... 123 B o o k R e v ie w s The San Antonio Mill ....................................... 124 Mayer and Schranz's “ Flotation ” Mining Method at Questa, New Mexico B. W. Holman 94 J. B. Carman 125 Nevin's " Principles of Structural Geology ” Gold Milling at Coniaurum. .J. Redington 125 Dr. A . Brammall 95 Emmon's " Geology of Petroleum ” S h o r t N o t ic e s .................................................. 126 Dr. Murray Stuart 95 R e c e n t P a t e n t s P u b l is h e d .................. 126 N e w s L e t t e r s B risb an e ................................................... 95 N e w B o o k s , P a m p h l e t s , e t c ................... 127 Mount Isa ; Queensland Company Laws : Operations at Mount Isa ; Mount-Morgan ; Western Australian Co m p a n y R e p o r t s .......................................... 127 Gold ; Wiluna Mine ; Broken Hill Block 14. Fresnillo ; Jos Tin Area ; Malaya Consolidated ; Malayan Tinfields ; Mount Elliott ; Offin River Gold ; Penawat (Malaya) : I poll .......................................................... 97 Rambutan ; Rantau Tin Dredging ; San Francisco Mines of Prospects for 1932 ; Costs and Revenue ; Flood Mexico ; Sungei Way. D am age. Johannesburg ......................................... 98 N e w C o m p a n ie s R e g i s t e r e d ................... 128 Manganese Industry ; Eluvial Gold ; Northern Transvaal Copper ; Rhodesia's Mining Laws. D iv id e n d s D e c l a r e d .................. : ............. 128 2—2 G5 ED ITO R IA L UEER things have been found from locate an ore-body directly, but he can locate time to time in treatment plants, but a ground anomaly, and it remains for the whetherQ the eel which was brought up by mining geologist to report on the likelihood a suction dredge and ultimately found itself, of such an anomaly possessing any economic after a peregrination through the tin- significance and for the prospecting drill to dressing plant, on a James table can claim prove it. It is probable that the science of to be a pioneer may be open to question. geophysics—for it is becoming a very exact It is certainly a fishy story, and we are science—would be in better favour with assured it is a true one. engineers if this limitation of its sphere of usefulness was more generally appreciated. URING his life time Mr. William Thomas was a prominent figure in Industrial Research Cornish mining and his connexion with the The conditions prevailing in the present- Cornish Institute of Engineers and the day world, when scientific aid to industry is Camborne School of Mines will recall grateful of such vital importance, tend nevertheless memories. The institute feels that his name to restrict the prosecution of research by should be perpetuated by some tangible private enterprise, solely for lack of means. memorial and subscriptions are invited for It is, therefore, fortunate that the machinery this purpose, the form of the memorial exists in this country whereby the Govern depending on the amount forthcoming. ment can follow the main lines of research along which the most progress seems LSEWHERE in this issue Mr. Hugh probable, guarding the country in this way E Picard draws attention to the increased against any chance of retrogression. The demands that are being made on the work which is carried out under the super benevolent fund of the Institution of Mining vision of the Department of Scientific and and Metallurgy. His appeal will commend Industrial Research has just such an aim in itself to mining companies, as well as to view, the report1 of the advisory council those members of the profession who are in for the year 1930-31 containing an admirable a less unfortunate position, and it is to be summary of its activities. It is well, in hoped that it will meet with the response addition, to emphasize the wide view which which it deserves. All subscriptions sent is taken of the whole problem of scientific in response to Mr. Picard’s appeal will be and industrial relations by the council, acknowledged in The Mining Magazine. which fully realizes that its main endeavour must be to encourage industry to look upon HE teaching of geology at Edinburgh research as an essential part of the business T University has long been hampered by of production and not as a last resource. The the lack of adequate accommodation, a state view of the department is that industrialists of affairs which was remedied last month, are becoming increasingly anxious to take when the new Grant Institute of Geology advantage of applied science and if it is the was opened by the Prime Minister. There fact that industry realizes at last that in the was a distinguished gathering at the development of up-to-date and progressive opening of the new building, which has been methods of manufacture lies its own salva erected on the southern edge of the city, tion the resulting co-operation with science adjacent to the other departments housed in is heartily to be welcomed. This growing post-War buildings. The institute has been contact cannot but help the industrialist and provided by Sir Alexander Grant, who gave it will serve also to keep his scientific brother £50,000 for the purpose. conversant with modern commercial needs. As mentioned in the report, it has been said by Sir Robert Hadfield that it took his firm ECTURING at the Royal Society of 21 years to develop the use of transformer L Arts this month on geophysical steel from the experimental stage to the methods of prospecting Mr. A. Broughton 1 Report of the Department of Scientific and Edge was able clearly to define just what the Industrial Research, 1930-31. H.M. Stationery qualified geophysicist can do. He cannot Office. Price 3s. FEBRUARY, 1932 (57 manufacture of the commercial article, a deposition of metals. Turning to geophysics, striking illustration of the type of slow, the scheme for financial aid to the Imperial painstaking research which is now best College in the foundation of a school of undertaken by the department. One further applied geophysics is awaiting final accept point should, perhaps, be emphasized before ance by the governing body of the college, proceeding to a short review of some of the but meanwhile investigations are being con department’s activities.