greentinphalihang.tk: Alan M. Bateman greentinphalihang.tkioned: greentinphalihang.tk mimetype: application/pdf greentinphalihang.tk: Economic Mineral Deposits. Economic mineral deposits by Alan Mara Bateman, , J. Wiley & sons, inc. edition, in English. Bateman, Alan M. Economic mineral deposits. New York: John Wiley and Sons, Inc., p. $ First published: December
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[greentinphalihang.tk12] Economic Mineral Deposits Economic Mineral Deposits Alan M. Bateman, Mead L. Jensen epub. Economic Mineral Deposits Alan M. Bateman. The first edition of Economic Mineral Deposits, published in , admirably satisfied second edition of Professor Bateman's book, which presents in a single. By A. M. Bateman. John Wiley and Sons, New York; Chapman and Hall, London. pp. xi + Price 60s. | Economic Mineral Deposits, 2nd Edition.
In , Bateman entered graduate school at Yale. Although his main interest lay in the field o f economic geology, presided over by the widely esteemed John Duer Irving, much of the groundwork and stimulation for his later career must also have come from others of its illustrious faculty, notably professors Barrell, Pirsson, Dana, Ford, and Gregory.
During the summers of , Bateman served as an assistant geologist of the Geological Survey o f Canada, primarily in a gold district on the Fraser River in British Columbia. His work there was the basis for the dissertation entitled Geology and ore deposits o f the Bridge River district, British Columbia, that earned him a Ph. This investigation, inspired and guided by L.
Graton and financially supported by a group of mining companies, was a two-pronged attack-field and experim ental-on the problems of secondary enrichment. In order to lay a firm scientific foundation for exploring for and developing secondary enrichment deposits, it was planned that the field geologists would examine as many prominent copper mines as possible, and, at the same time, chemists and petrologists of the Geophysical Laboratory would investigate the relevant chemical systems in the laboratory.
Bateman, Augustus Locke, and E. Perry killed in action, , together with a group of younger field assistants that included D. McLaughlin, carried out the fieldwork in the years The first world war precluded a summary report on the whole investigation, but the work did result directly in a large number of individual papers, and for some years it had a notable influence on the scientific study of secondary enrichment, experimental studies of sulfide geochemistry, and mining exploration.
Among the many deposits that Bateman visited was that of Kennecott, Alaska, with its extraordinarily rich chalcocite ores. Donald McLaughlin has recalled the excite ment of seeing these unique and amazingly rich deposits at an early stage of their development, and of experiences shared in the midst of glaciers and lofty peaks, some dizzy rides on aerial tramways, and many hours in cold mine workings.
When Graton visited them there, arguments were lively and heated, for it was only with extreme reluctance that Graton gave up his efforts to convince his juniors that the chalcocite there, as well as much of it associated with bornite in deep mines elsewhere, was of supergene origin-a mystical replacement of bornite. In this case, at least, history has found for the geologic evidence of the students rather than for the generalization of the master.
The further conclusion of Bateman and McLaughlin that the copper was deposited by heated meteoric waters that had extracted the metal from the Nikolai Greenstone has a familiar ring today and may well survive the test of stable-isotope determinations.
One consequence of Batemans work at Kennecott was that he gained the confi dence of the group that was dominant in the merger of the Alaskan mines with the far greater Utah Copper Company.
Bateman served them as a consultant for many years, particularly in the interval from until his government service began in In the days before Kennecott had a formal exploration division, he directed a number of explorations, especially in Alaska, in the Precambrian of eastern Canada, and in Mexico, and he also made periodic reviews of the reserve estimates o f properties in the Southwest.
In ,he assisted the company in industry- government discussions of cost depletion versus percentage depletion. Bateman was also, on occasion, retained by other companies, among them Selection Trust, for which he visited the newly burgeoning Rhodesian now Zambian Copper- belt in The series of articles he wrote in served the very useful purpose of providing the most detailed review of the deposits to appear in the mining and scientific press up to that time.
In the fall of , Bateman returned to Yale as an instructor in economic geology under Irving, and soon thereafter began his service to the journal, Economic Geology, that was to continue for over 50 years. In , Professor Irving, who was editor of Economic Geology, took leave to enter officers training camp in the summer and fall, delegating his editorial duties to Bateman, by then assistant professor. In the spring of , Irving was appointed a Captain in the Army Engineers and left on duty from which he did not return, for he died in service in France in July Bateman, who had been made assistant editor in the spring of , was appointed editor in March During the same period, he first substituted for and then succeeded Irving as the professor of economic geology; he was made associate professor in , professor in , and Silliman Professor in Following his return from government service in Washington after World War II, he assumed the duties of department chairman, which he retained until , when he was approaching retirement.
Their lifelong partnership was characterized by deep affection on both sides, and an exceptional degree o f companionship. Bateman accompanied Alan to Alaska in the first summer of their marriage, and in subsequent years was a partner on a number of trips to Europe, Mexico, and Africa.
Their family included many close relatives, and most of Alans numerous lasting friendships with contemporaries in New Haven and the mining world were shared by both wives and husbands.
As a teacher, Bateman was expectably most highly regarded by those who later went on to careers in mining. He excited the imaginations of those who were inclined in this direction with his accounts, commonly based on his own experience, of a variety of mineral deposits all over the world. The practical wisdom that he imparted provided them with a valuable foundation for their future work. As one old friend a former teacher himself has observed, most students like to have the truth revealed with authority, and this was Alans forte.
Whether they were simply impressed or whether they were stimulated by the challenge to resist such indoctrination, the lesson must have been valuable to many of those who have become members of a profession that rates positive thinking only one notch below a successful exploration program. For many students, Alans role as a mentor went far beyond the classroom.
A former associate recalls that he always found time to lean back in his large leather office chair, pipe in hand or mouth, and listen to any student with questions or problems, offering his views or kindness, as appropriate.
Even after his retirement, the hospitality of the Bateman home cheered the stay of many in New Haven. His own donations to departmental fellowships and his ability to obtain similar funds from alumni mate rially helped a number of students to complete their education, and his bequests include a substantial sum to be given ultimately to Yale as a fund for geology.
The warmth of feeling that he engendered in his students is clearly revealed by the dedication of the portrait given to him when he retired: Presented by his students in gratitude for his forty-two years of devoted service to Yale geology, and for his many personal kindnesses to them.
Batemans unique and perhaps greatest contribution was his editorship of the journal Economic Geology. In other words, although we started out with a physically descriptive classification, we end up with a classification which also coincides with what we perceive to be unique genetic processes.
It is therefore useful to define a small number of terms used in the classification which have a genetic connotation: Hydrothermal Hydrothermal volcanogenic deposits Hot water or hydrothermal solutions have actually been observed forming mineral deposits, for example, the "black smokers" on the sea floor. The ore constituents, such as Cu, Pb, Au or other metals are dissolved in a hot aqueous solution along with other deposit constituents such as Si, S and Fe.
These elements are deposited to form the ore and gangue minerals in response to a change in the solution, very often a sharp decrease in temperature.
If you then cool the solution in the fridge, much of the salt will precipitate or come out of solution. Magmatic Some mineral deposits, particularly those containing Ni, Cr and Pt, form by the separation of the metal sulphide or oxides in the molten form, within an igneous melt before it crystallizes. These are known as magmatic deposits. They occur within theigneous rock from which they were derived, such as a gabbro.
The ore metals concentrated as liquid in much the same manner as metals are purified in a smelter or blast furnace. The heavier metal-rich liquids sink and concentrate at the base of the intrusive body, while lighter silicate liquid and crystals tend to rise, the same asthe slag in a blast furnace.
Syngenetic A syngenetic mineral deposit is a deposit which formed at the same time as the rocks that enclose it. Magmatic deposits are syngenetic in that the ore minerals crystallize from the same liquid that produces the silicate minerals which form the bulk of the intrusive - they crystallize more or less simultaneously as the melt cools.
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This evaluation should include the hazardous effects of unexploded materials or poisonous by-products in the case of chemical generation of permeability. People who are searching for Free downloads of books and free pdf copies. Outwardly, Alans self-assurance and sense of decorum, combined with an impressive physique, graced both his appearance and actions with an Olympian air.