| 单词 | economic geology |
| 例句 | That spending has already enabled hundreds of survey flights, and it is opening a golden age for economic geology. Major U.S. geological survey aims to uncover minerals critical for batteries and microchips 2023-06-01T04:00:00Z The crater, which is in the country's Free State Province, has been known for over 100 years, according to Dr. Matthew Huber, senior lecturer in economic geology at the University of the Free State. Mysterious prehistoric rock carvings discovered in world's largest asteroid crater 2019-06-18T04:00:00Z She chose where to do her Ph.D. in economic geology — Queen’s University in Ontario, Canada — by finding out where you would end up at if you stuck a pin straight through the globe from Perth. The Woman Putting Australia Into Space 2018-11-23T05:00:00Z School of Mines is one of four in the nation to offer mining engineering, metallurgical engineering and economic geology. SD weighs in on national energy job hearing 2014-06-27T04:00:00Z A preliminary descriptive catalogue of the systematic collections in economic geology and metallurgy in the U.S. United States Government Publications, v. 8 Jan-Jun 1892 A Monthly Catalog 2011-06-22T02:00:25.153Z The shortest road to declared success in professional and economic geology lies through the early mastery of its fundamentals. College Teaching Studies in Methods of Teaching in the College But economic geology is not solely confined to mineral resources. The Economic Aspect of Geology But his useful discoveries in economic geology having brought him distinction, the king had generously pensioned him, and he was retained in office on the printed État distributed by the Committee of Finance. Lamarck, the Founder of Evolution His Life and Work The details as to our metal stores are too complex for fuller treatment here, and may be found in treatises on economic geology or on industrial geography. Modern Economic Problems Economics Volume II A preliminary descriptive catalogue of the systematic collections in economic geology and metallurgy in the U.S. United States Government Publications, v. 8 Jan-Jun 1892 A Monthly Catalog 2011-06-22T02:00:25.153Z Water comes even more directly into the field of economic geology as a mineral resource. The Economic Aspect of Geology In professional preparation for the practice of economic geology there is no easy short-cut. The Economic Aspect of Geology Considered broadly, there is no phase of science which is not involved in economic geology. The Economic Aspect of Geology The climatic, topographic, and other physiographic and sedimentary conditions which cause the deposition of this great group of ores present one of the great unsolved problems of economic geology. The Economic Aspect of Geology It is proposed here to indicate briefly some of the phases of geologic science which are most necessary to the practice of economic geology. The Economic Aspect of Geology The determination of the ages of the earth's strata and of the conditions of their deposition is required in the practice of economic geology. The Economic Aspect of Geology In short, to enter successfully the field of economic geology one should first become a scientist, if only in a limited field. The Economic Aspect of Geology Metamorphic geology, therefore, for some geologists becomes a convenient approach to the subject of economic geology. The Economic Aspect of Geology In short, economic geology includes the consideration of man in reaction to his physical environment. The Economic Aspect of Geology His chief purpose is to convey, in somewhat elementary terms, an understandable idea of the central features of economic geology. The Economic Aspect of Geology There are almost as many opinions on desirable training for economic geology as there are geologists, and the writer's view cannot be taken as representing any widely accepted standard. The Economic Aspect of Geology There are some earth materials and some conditions of the earth environment which do not yet come within the field of economic geology. The Economic Aspect of Geology When, if ever, the science of economic geology becomes fully organized, a standardized course may be possible. The Economic Aspect of Geology The extreme care taken in this matter by acknowledged leaders in the profession of economic geology should be carefully considered by the young man entering the profession. The Economic Aspect of Geology Economic geology is now an established and well-recognized profession, but there is yet nothing approaching a standardized course of study leading to a degree in economic geology. The Economic Aspect of Geology There has been some agitation in recent years for standardization of courses in economic geology, and for the granting of a special degree in evidence of the completion of such a course. The Economic Aspect of Geology Probably no other single division of economic geology now employs so large a number of geologists. The Economic Aspect of Geology The writer doubts whether a special degree in economic geology would go far toward improving this situation. The Economic Aspect of Geology One of the principal problems of economic geology for the future is to develop means for exploration in territories of this sort. The Economic Aspect of Geology The many volumes of testimony which have accumulated during famous apex trials cover almost every phase of geology, and are important primary sources for the student of economic geology. The Economic Aspect of Geology Ethical questions involved in the practice of economic geology have called out much discussion, and, in some cases, marked differences of opinion among men equally desirous of doing the right thing. The Economic Aspect of Geology In the early days of economic geology there was relatively more emphasis on the possible effectiveness of ground-waters in concentrating ores of this type. The Economic Aspect of Geology |
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