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By James Tucker MacKeni~ie

BORN in Florida, educated in Ten¬nessee, employed all his life in the iron industry of Alabama, J. T. MacKenzie is truly of the South. In courtesy, hospitality, as well as in accent of speech, he is true to the tradition of the South. His alma neater, the University of the South, has given him the honorary degree of Doctor of Science for his achievements in metallurgy. He has been active in many technical societies; has received the Whiting Medal of the American Foundrymen's Association for his work in the advancement of gray iron metallurgy, and is chairman of the gray iron division of the A.F.A.; was instrumental in initiating the Alloys of Iron Research of the Engineering Foundation and has served as a member of its Alloys of Iron Committee since the Committee's organization.

Jan 1, 1938

By AIME AIME

AS director of Battelle Memorial Institute and as Chairman of the important O.P.M. advisory committee on metals and minerals, Clyde E. Williams numbers his acquaintances in the mineral industries by the thousands and h because his principal hobby is liking human beings, most of his acquaintancs are also his friends. Clyde is one of the many outstanding metallurgist, in the United States who started as a chemist. After graduating from the University of Utah in 1915 he was successively chemist for U.S. Smelting Refining and Mining Co., and at the Bureau of Mines station at Ithaca, N.Y. He then got into, metallurgical work and in 1920 he was appointed superintendent of the Northwest Station of the Bureau of Mines at, Seattle. Subsequently he was assistant to H. Foster Bain in metallugical work for the

Jan 1, 1942

ADVANTAGES OF LIFE MEMBERSHIP The Institute calls the attention of members to the following advantages of obtaining life membership: 1. One payment avoids the trouble of future payments. 2. The interest on $150 is less than the annual dues. 3. Provision is thus made early in life for the less productive years. 4. In case of in increase of clues at any time in the future life members are exempt from increased payments. Excerpt from, By-Laws. Article III. Section 3 Any Member or Associate not in arrears may become, by the payment of one hundred and fifty dollars at one time, a Life Member or Life Associate, and shall not be liable thereafter to pay annual dues. The money thus received shall be invested and only the income thereof used for current expenses of the Institute.

Jan 1, 1916

By H. M. Morse

There was little change in the oil and gas industry in Mississippi during the year 1938. No new fields were discovered and the production from the Amory field was nil. In the Jackson gas field six wells were drilled and production was obtained in each instance, but none of these wells increased the area from which the gas is produced. Outside the Jackson gas field nine wells were drilled, of which details are given in the accompanying table. The seeming lack of activity in Mississippi belied what was actually happening, for a great many geophysical crews of the major companies were active in all parts of the state. There were approximately 65 structures mapped and for the most part these have been leased. It is believed that 1939 will see an increase in wildcatting over a large part of the state.

Jan 1, 1939

Delay in classifying the war minerals claims geographically and by minerals' has resulted because a part of the claims is in the hands of the commission which is holding hearings at points easy of access from the mining districts. It was necessary for the commission to take many claims for use at these hearings. Twenty days will be allowed claimants to file typewritten or printed briefs based on the record made by the commission's findings. At the end of twenty days, the case will be finally submitted to the Secretary of the Interior. No new facts will be considered, those which have been submitted to the commission only being given consideration. The Attorney General has issued a decision whereby only such claimants as were directly requested by the government to start operations will receive consideration under the War Minerals Act.

Jan 9, 1919

In May 1952, a total grant of $750 was made for the establishment of a scholar- ship in petroleum engineering for the academic year of 1952-1953, to be ad- ministered by AIME and to be known as the AIME-Socony-Vacuum Scholarship in Petroleum Engineering It will be given In the general field of petroleum engineering The scholar selected must be an undergraduate who is expected to complete academic work during the period of the award In other words, upon completion of the award period, the recipient is expected to be ready to enter industry The establishment of this Scholarship and the selection of the Scholar there under will Impose no ob1igation upon the Scholar or upon Socony- Vacuum with respect to employment The Scholarship is being administered by the Mineral Industry Education Division of the AIME

Jan 1, 1952

BULLETIN 177. The decline and ultimate production of oil wells with notes on the valuation of oil properties, by C. H.- Beal. 1919. 84 pp., 4pls., 80 figs. BULLETIN 179. Abstracts of current decisions on mines and mining, reported from September to December, 1918, by J. W. Thompson. 1919. 166 pp. TECHNICAL PAPER 214. Motor gasoline; properties, laboratory methods of testing, and practical specifications, by E. W. Dean. 1919. 33 pp., 2 figs. TECHNICAL PAPER 219. Combustion and flue-gas analysis, by U. S. Fuel Administration. 1919. 12 pp., 5 figs. TECHNICAL PAPER 223. Cost-keeping for small metal mines, by J. C. Pickering. 1919. 46 pp. Only a limited supply of these publications is available for free distribution. Publications should be ordered by number and title. Applications should be addressed to the Director of the Bureau of Mines, Washington, D. C.

Jan 7, 1919

By H. M. Morse

There was little change in the oil and gas industry in Mississippi during the year 1938. No new fields were discovered and the production from the Amory field was nil. In the Jackson gas field six wells were drilled and production was obtained in each instance, but none of these wells increased the area from which the gas is produced. Outside the Jackson gas field nine wells were drilled, of which details are given in the accompanying table. The seeming lack of activity in Mississippi belied what was actually happening, for a great many geophysical crews of the major companies were active in all parts of the state. There were approximately 65 structures mapped and for the most part these have been leased. It is believed that 1939 will see an increase in wildcatting over a large part of the state.

Jan 1, 1939

Recognizing the fact that the problems of the committee named by the Board to prepare the "official ticket" for officers and Directors of the Institute are various and difficult; and desiring to assist this committee by setting forth some of the principles that should guide the committee and some of the qualifications that should be required of candidates, the following instructions are formulated and the Secretary is directed to publish them in MINING AND METALLURGY concurrently with the publication of the names of each newly appointed Nominating Committee and to send a copy to each member of the Committee. Each year the Nominating Committee is to select "official" candidates for eight places, as follows:, (1) President and Director (2) Vice-President and Director (3) Vice-President and Director (4) Director (5) Director (6) Director (7) Director (8) Director

Jan 1, 1939

Feb. 5, 1917. To the President, Executive Mansion, Washington, D. C. We, the presidents of the national societies of Civil, Mining, Mechanical and Electrical Engineers and of the United Engineering Society, with a membership of thirty thousand, cordially unite in supporting Congress and the Administration in its stand for freedom and safety on the seas, and we are confident that we represent the membership of the four societies in offering to assist toward the organization of engineers for service to our Country in case of war. GEORGE H. PEGRAM, President of the American Society of Civil Engineers. L. D. RICKETTS, President of the American Institute of Mining Engineers. IRA N. HOLLIS, President of the American Society of Mechanical Engineers. H. W. BUCK, President of the American Institute of Electrical Engineers. CHARLES F. RAND, President of the United Engineering Society.

Jan 3, 1917

By L. D. Mullins, H. B. Bradley

Numerous articles have appeared in the literature citing the application of the potentiometric analyzer to cycling operations. Specific information obtainable by a potentiometric analysis, as noted by various investigators, includes: 1. Pattern sweep efficiency for various injection and production rate programs. 2. Injected fluid breakthrough time at production wells. 3. Optimum production and injection rates. 4. Prediction of injection and/or production well locations. 5. History of advance of the in-jected-produced fluid interface. 6. Ultimate life of the reservoir. 7. Ultimate reservoir production. This note describes a procedure for predicting pressure distribution in a gas-condensate reservoir by using the potentiometric analyzer to obtain potential distribution data on an analog model of the reservoir and then applying Muskat's' equations. The method relates the volumetric weighted average datum pressure to the mean potential in the model.

Jan 1, 1958

THE late steel strike resulted in an unusual reversal of field when Brazilian interests shipped steel to the United States to assure completion of a blast furnace under construction in Cleveland for the national Volta Redonda mill. The furnace is one of the key factors in an expansion program scheduled to raise Brazilian steel production by 280,000 tons, bringing annual output to 1 million tons. The first consignment shipped to Cleveland included 500 tons of slab and plate steel, and was followed later by another 300 tons. Brazil wants to blow in the furnace by July 1, 1953, and the restricted allocation system brought about by the steel shortage offered a real threat to the deadline. Volta Redonda, established during World War II by Brazilian and American financing, accounts for more than half of Brazil's steel production.

Jan 1, 1952

Despite the uncertain political situation in Katanga, copper and cobalt mining and metallurgical operations of Union Miniere du Haut-Katanga were normal at the time of this writing. In fact operations continued normal after Congo independence on June 30, 1960, with copper and zinc production for that year being slightly higher than in 1959. United Nations military operations from September to December 1961 resulted in death, shutdowns and damage to company persons and installations. Nevertheless, results for that year were only slightly off normal production. Moise Tshombe delared Katanga a separate state after Congo independence. Although there has been tribal unrest, the new State has enjoyed relative calm and normal industry by comparison with other parts of the Congo as a result of the firm hand of Moise Tshombe's government and the continued presence of Belgian officials and technicians.

Jan 12, 1962

By George A. Lamb

Forecasters, in estimating long-term energy requirements and supplies, have predicted a bright outlook for coal. Some predictions have annual coal output reaching 800 million tons by 1980, almost twice the average of the last five years. These projections assume that ultimate consumer energy products will be supplied adequately not only in volume but also by kind and type. The consumer energy schedule shifts continually as it reflects the changing demands for numerous uses. Its appearance, expressed generally in proportions of solids, liquids, gases and electricity, is quite different today from what it was in 1940. It may change even more by 1980. Thus, the shares that coal and the other energy sources will have In total supply will depend upon how well each source can be processed into products that will be accepted by consumers.

Jan 7, 1963

By James M. Polatty

FOR structural as well as economic reasons, sanded grout rather than neat cement grout should be used wherever possible. The chief drawback in using sanded grout mixtures, however, is the tendency of the sand to settle out, causing problems in pumping. Manufactured sands have not been used in sanded grout because it has been assumed that their irregular particle shape would add to the pumping difficulties. The Concrete Division of the Waterways Experiment Station in Jackson, Miss., has conducted a comprehensive investigation of grouts containing both natural and manufactured sands. In the study of manufactured sand grouts an investigation was made of physical characteristics, ease of pumping, and the effects of adding certain mineral fines. The amount of material passing 100 mesh ranged from zero to 25 pct. Results were compared with test results for natural sand grouts.

Jan 3, 1958

By L. Webster Wickes

The bad effects of arsenic in commercial copper are well-known to metallurgists. The refining of copper by electrolysis eliminates practically all of the arsenic, provided certain requirements are fulfilled. The first, and most important, of these requirements is, that the voltage of the depositing current shall not be too high. It has been known for some time that the percentage of arsenic in the deposited copper increases with the voltage. To investigate the relation between the electro-motive force (e.m.f.) and the freedom of the precipitated copper from arsenic, the experiments were made, of which a brief summary is here given: I made three copper-arsenic alloys, containing respectively 3.56, 2.24 and 0.96 per cent. of arsenic. From these alloys I cast several anodes. For cathodes I used sheets of thin copper,

Jan 1, 1905

By W. J. Garmoe

The Carr Fork mine is located approximately 50 kilometers southwest of Salt Lake City, Utah, in the Bingham or West Mountain District, adjacent to the Bingham open pit copper mine. Applied geology at Carr Fork, by Anaconda Minerals Company personnel includes detailed geologic mapping and sampling of underground workings, logging and sampling of drill core and cuttings, and the preparation and posting of geologic maps and cross sections for geologic interpretation, ore reserve calculation, mine operations, and long range planning. Accurate and easily understood graphic recording of Carr Fork geology is essential for optimum use by operating and engineering personnel. The design and implementation of exploration, development and definition drilling programs, research into geological spatial relationships, and analysis of structural complexities of the Carr Fork deposit are a1 so integral parts of the applied geology program.

Jan 1, 1984

By R. F. Lee, G. Purcell

Tests carried out in the Department of Mining and Metallurgy at the New Mexico Institute of Mining and Technology indicate that high density rigid foams may, with the addition of suitable fillers, have structural properties comparable with concrete. Since polyurethanes have other useful properties that are unique to the foams, they have great potential value for both mining and civil engineering applications. Polyurethane, a generic term for a wide variety of closely related foam compounds, suggests rather misleadingly that foams are simple polymers of the urethane monomer ethyl carbamate (H,NCOOC,H,) . Polyurethane foams certainly do contain urethane groups, but these need not necessarily preponderate. Other reactive groups may be, and usually are, present so that the final polyurethane product will most likely contain, in addition to urethane groups, aliphatic and aromatic hydrocarbon, ester, ether, amide and urea groups.

Jan 9, 1963

By Robert D. Thomson

Listed among strategic and critical minerals for stockpiling, mica is an important raw material in electronic and electrical equipment industries. Each year large quantities are consumed in the manufacture of television and radio tubes, radar sets, generators, transformers, electric toasters, and irons. Crude mica, which comes from the mine in crystals or in rough books of various shapes and sizes, is known as run-of-mine or book mica. Structural imperfections, impurities, rough edges, and defective laminae are removed by cobbing, rifting, and trimming to produce a marketable block mica or film mica. After the rough books have been hand-cobbed to remove adhering rock, dirt, and crushed or defective mica they are rifted, or split. In the U.S. a straight-bladed knife is generally used for rifting. Products of this operation are classed broadly as untrimmed sheet mica and scrap.

May 1, 1956

By Henry F. Collins

The following notes on the cheap milling of a soft lowgrade ore-body in the State of Chiapas, Mexico, may be of interest. The ore-body in question was worked, not by itself, but incidentally in connection with a large extraction of concentrating-ore; and one 10-stamp battery of a 30-stamp mill used for re-crushing tailings, and provided with copper-plates, was set aside for the treatment of this particular ore, of which, during a period of 17 months, 10,274 tons, of 2240 lbs. each, were handled. Description.—The ore-body collsisted of that portion of a mass of decomposed garnet-rock of igneous origin, which, near its contact with another igneous mass, composed chiefly of the mineral wollastonite in a nearly pure state, had been permeated by solutions, depositing irregularly, throughout it, quartz, chal-

Jan 1, 1902