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1. |
Piggyback drilling in Kansas: An example for the Continental Scientific Drilling Program |
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Eos, Transactions American Geophysical Union,
Volume 62,
Issue 18,
1981,
Page 473-476
Donald W. Steeples,
M. E. Bickford,
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摘要:
As the development of plate tectonic theory has provided a framework within which to interpret new geological and geophysical data, the need for an organized deep‐drilling effort on the continents has become apparent. Since the expense of such a venture will be large, it is important to perform as many scientific experiments as practical on each hole drilled. This paper is a report on scientific, administrative, and financial aspects of a drilling program in Kansas. Experiences related here should be of some use to other groups planning scientific drilling ventures.Four holes were drilled to 0.5–1.1‐km depth in Kansas as part of a hydrological study of the Arbuckle Formation. Two of the holes penetrated igneous rock of Precambrian age, and several meters of granitic core were recovered. At least one of the cores is highly magnetic and more radioactive than normal granite. Both cores have U/Pb zircon ages of 1340–1360 million years, presenting evidence for a previously unknown episode of intrusive activity. All four holes have been thermally logged with geothermal gradients ranging from 28° C/km to 36° C/km. The cased boreholes will be available in the future for additional experiments by other s
ISSN:0002-8606
DOI:10.1029/EO062i018p00473-01
年代:1981
数据来源: WILEY
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2. |
Volcano activity increases |
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Eos, Transactions American Geophysical Union,
Volume 62,
Issue 18,
1981,
Page 476-476
Barbara T. Richman,
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摘要:
The Cascade volcanos in the Pacific Northwest may be entering a period of heightened activity, reports the U.S. Geological Survey. Seismic rumblings also have increased along the northern part of the San Andreas fault, indicating additional tectonic activity. In response to these stirrings, the USGS plans to expand its volcano monitoring, hazards mapping, and risk management.This expansion includes four new starts scheduled for this fiscal year, according to Roy A. Bailey, coordinator of the Volcano Hazards Program at the USGS National Center in Reston, Virginia. Monitoring equipment will be installed on Mount Ranier (Washington), Three Sisters (Oregon), Lassen Peak (California), and Mono‐Inyo (California). Seismographs, tiltmeters, and geodimeters will be installed to monitor changes in these volcanos that could signal an impending eruption. Most of these monitoring systems will be installed in July or August, Bailey said, and will remain in place for several years until a data base has been establishe
ISSN:0002-8606
DOI:10.1029/EO062i018p00476-01
年代:1981
数据来源: WILEY
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3. |
Fulbright Award opportunities |
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Eos, Transactions American Geophysical Union,
Volume 62,
Issue 18,
1981,
Page 477-477
Anonymous,
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PDF (1193KB)
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摘要:
More than a dozen opportunities are available to geophysicists in the 1982–1983 Fulbright Awards program for United States scholars to study abroad. The lecturing and research awards are listed in a new brochure published by the Council for International Exchange of Scholars. Geophysics‐related opportunities are also available in geography, engineering, and technology.The majority of grants are for the academic year in the host country. All are subject to availability of funds and changes in program priorit
ISSN:0002-8606
DOI:10.1029/EO062i018p00477-01
年代:1981
数据来源: WILEY
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4. |
Workshop on thermal measurements and geothermal exploration |
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Eos, Transactions American Geophysical Union,
Volume 62,
Issue 18,
1981,
Page 481-484
David D. Blackwell,
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PDF (192KB)
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摘要:
A workshop for invited participants from government, industry, and academia was held at the Fort Burgwin Research Center of Southern Methodist University at Taos, New Mexico, from April 29 to May 2, 1979. Forty‐five participants and five government observers attended the workshop, which was organized by David D. Blackwell of the Department of Geological Sciences at SMU and funded by the U.S. Geological Survey Extramural Geothermal Research Program. The purpose of the workshop was to acquaint the government participants with the applications of industry and to acquaint the industry participants with the techniques and expertise available in government and academia. Techniques that involved the measurement of the earth's heat flow, both convective and conductive, and the use of these measurements in exploration for geothermal systems were included in the scope of the worksho
ISSN:0002-8606
DOI:10.1029/EO062i018p00481
年代:1981
数据来源: WILEY
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