Nuclear Tracks And Radiation Measurements最新文献

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Transmission electron microscopy analysis of spontaneous fission tracks and alpha-decay damage in a fluorapatite from Antarctica 南极氟磷灰石自发裂变径迹和α衰变损伤的透射电镜分析
Nuclear Tracks And Radiation Measurements Pub Date : 1993-10-01 Epub Date: 2003-01-03 DOI: 10.1016/1359-0189(93)90267-D
B. Grobety, T. Paul
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引用次数: 0
Optimizing the isothermal plateau fission-track dating method for volcanic glass shards 火山玻璃碎片等温高原裂变径迹测年方法优化
Nuclear Tracks And Radiation Measurements Pub Date : 1993-10-01 Epub Date: 2003-01-03 DOI: 10.1016/1359-0189(93)90187-E
A.S. Sandhu, J.A. Westgate, B.V. Alloway
{"title":"Optimizing the isothermal plateau fission-track dating method for volcanic glass shards","authors":"A.S. Sandhu,&nbsp;J.A. Westgate,&nbsp;B.V. Alloway","doi":"10.1016/1359-0189(93)90187-E","DOIUrl":"10.1016/1359-0189(93)90187-E","url":null,"abstract":"<div><p>The dating of volcanic hydrated glass shards presents considerable difficulties. However, within recent years the fission-track method based on the isothermal plateau technique has been successfully applied to such glasses. Age estimates obtained by this means compare very well with those based on co-existing mineral phases using the K-Ar, <sup>40</sup>Ar/<sup>39</sup>Ar and thermoluminescence techniques. Annealing studies of nuclear tracks in the temperature range of 100–300°C have been made for various volcanic glass samples. The activation energy, <em>E</em><sub>a</sub>, for track annealing is determined in the frame of a model involving a unique value of <em>E</em><sub>a</sub> for a given glass sample. These annealing studies suggest that the thermal stability of nuclear tracks in volcanic glasses is mainly controlled by the SiO<sub>2</sub>/Al<sub>2</sub>O<sub>3</sub> ratio.</p></div>","PeriodicalId":82207,"journal":{"name":"Nuclear Tracks And Radiation Measurements","volume":"21 4","pages":"Pages 479-488"},"PeriodicalIF":0.0,"publicationDate":"1993-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/1359-0189(93)90187-E","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84606926","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 34
Fission-track dating of 15 macusanite glass pebbles from the Macusani volcanic field (SE Peru) 秘鲁东南部马库萨尼火山区15个马库桑岩玻璃卵石的裂变径迹测年
Nuclear Tracks And Radiation Measurements Pub Date : 1993-10-01 Epub Date: 2003-01-03 DOI: 10.1016/1359-0189(93)90189-G
G. Poupeau , E. Labrin , N. Sabil , G. Bigazzi , G. Arroyo , N. Vatin-Pérignon
{"title":"Fission-track dating of 15 macusanite glass pebbles from the Macusani volcanic field (SE Peru)","authors":"G. Poupeau ,&nbsp;E. Labrin ,&nbsp;N. Sabil ,&nbsp;G. Bigazzi ,&nbsp;G. Arroyo ,&nbsp;N. Vatin-Pérignon","doi":"10.1016/1359-0189(93)90189-G","DOIUrl":"10.1016/1359-0189(93)90189-G","url":null,"abstract":"<div><p>We dated, by fission tracks, 15 Macusanites from four sites located inside or in the vicinity of the Macusani ignimbritic field. Eight of these obsidian pebbles are from the new site of Chilcuno Grande, the remaining seven from the three sites of Caluyo Mayo, Chilcuno Chico and Samillia. The apparent fission-track ages of these obsidians range from about 4.6 to 3.2 Ma. As in all samples, fossil tracks show evidences of annealing; the apparent ages are only lower estimates of Macusanite formation time. Fission-track plateau ages could be determined in 12 samples. They range between 7.9 and 4.8 Ma. The distribution of available plateau ages suggests that Macusanites formed both during the main activity of the Macusani volcanic field (7 ± 1 MA ago) and late episodes (5.7−5.3 and 4.8−4.3 Ma ago).</p></div>","PeriodicalId":82207,"journal":{"name":"Nuclear Tracks And Radiation Measurements","volume":"21 4","pages":"Pages 499-506"},"PeriodicalIF":0.0,"publicationDate":"1993-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/1359-0189(93)90189-G","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87892181","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 15
Patterns of cooling in basement rocks — A bootstrap method to measure anomalous spatial dispersion of zircon fission-track ages 基底岩石的冷却模式。测量锆石裂变径迹年龄异常空间分散的自提法
Nuclear Tracks And Radiation Measurements Pub Date : 1993-10-01 Epub Date: 2003-01-03 DOI: 10.1016/1359-0189(93)90186-D
Timothy M. Lutz , Gomma Omar , Barry P. Kohn , Mary Emma Wagner
{"title":"Patterns of cooling in basement rocks — A bootstrap method to measure anomalous spatial dispersion of zircon fission-track ages","authors":"Timothy M. Lutz ,&nbsp;Gomma Omar ,&nbsp;Barry P. Kohn ,&nbsp;Mary Emma Wagner","doi":"10.1016/1359-0189(93)90186-D","DOIUrl":"10.1016/1359-0189(93)90186-D","url":null,"abstract":"<div><p>Thermochronology depends on isotopic systems for which the age is related to the time that a specified mineral cooled through its closure temperature. In tectonic studies, it is often of interest to examine regional variations in cooling age. When the variation in age within a data set exceeds the analytical errors on the age determinations, many options are available to model the spatial variation in age and to correlate it with other data or with the predictions of hypotheses. For example, trend surfaces [e.g. Davis J.C. (1986) <em>Statistics and Data Analysis in Geology</em>, 2nd edn. Wiley, New York] could be used to explain the variation that exceeds experimental error. In the case of interest in this study it may appear that the variations in age originate entirely from random analytical error. We show how geologically significant patterns that may be present in such apparently random data can be detected. Our analysis is based on characterizing how the extreme ages (oldest and youngest) are distributed among the sample localities. In particular, we explore whether the extremes are more dispersed or more clustered than could be expected from a random assignment of ages to the localities, as deduced from bootstrap simulations. This mode of analysis is non-parametric and requires no assumptions about the distributional form of the errors or the ages. The proposed analysis is applied to 34 zircon fission-track ages from the central Appalachian Piedmont, eastern U.S.A. Our results show that the older ages are concentrated near the center of the sample region and are surrounded by younger ages. This age pattern suggests that rocks now at the surface in the central part of the study area cooled first, followed by rocks located toward the periphery of the area.</p></div>","PeriodicalId":82207,"journal":{"name":"Nuclear Tracks And Radiation Measurements","volume":"21 4","pages":"Pages 471-477"},"PeriodicalIF":0.0,"publicationDate":"1993-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/1359-0189(93)90186-D","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77678128","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
252Cf irradiation of apatite fission track samples improves spontaneous, confined, track-in-track (TINT) densities 磷灰石裂变径迹样品的252Cf辐照提高了自发、受限、径迹中(TINT)密度
Nuclear Tracks And Radiation Measurements Pub Date : 1993-10-01 Epub Date: 2003-01-03 DOI: 10.1016/1359-0189(93)90247-7
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引用次数: 0
Thermotectonics of the Calabrian Arc, Southern Italy constraints from fission track analysis 意大利南部卡拉布里亚弧的热构造——裂变轨道分析的制约因素
Nuclear Tracks And Radiation Measurements Pub Date : 1993-10-01 Epub Date: 2003-01-03 DOI: 10.1016/1359-0189(93)90230-7
Stuart N. Thomson
{"title":"Thermotectonics of the Calabrian Arc, Southern Italy constraints from fission track analysis","authors":"Stuart N. Thomson","doi":"10.1016/1359-0189(93)90230-7","DOIUrl":"https://doi.org/10.1016/1359-0189(93)90230-7","url":null,"abstract":"","PeriodicalId":82207,"journal":{"name":"Nuclear Tracks And Radiation Measurements","volume":"21 4","pages":"Page 598"},"PeriodicalIF":0.0,"publicationDate":"1993-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/1359-0189(93)90230-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72205632","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A quantitative analysis of thermal annealing of fission tracks in the Otter Lake F-apatite. 水獭湖f -磷灰石裂变径迹热退火定量分析。
Nuclear Tracks And Radiation Measurements Pub Date : 1993-10-01 Epub Date: 2003-01-03 DOI: 10.1016/1359-0189(93)90258-B
{"title":"A quantitative analysis of thermal annealing of fission tracks in the Otter Lake F-apatite.","authors":"","doi":"10.1016/1359-0189(93)90258-B","DOIUrl":"https://doi.org/10.1016/1359-0189(93)90258-B","url":null,"abstract":"","PeriodicalId":82207,"journal":{"name":"Nuclear Tracks And Radiation Measurements","volume":"21 4","pages":"Page 612"},"PeriodicalIF":0.0,"publicationDate":"1993-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/1359-0189(93)90258-B","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136556816","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A new computer-automated microscope stage and digitizing tablet system for fission-track analysis Dumitru, Trevor, Department of Geology, Stanford University, Stanford, California 94305 杜米特鲁,特雷弗,斯坦福大学地质系,斯坦福,加利福尼亚94305
Nuclear Tracks And Radiation Measurements Pub Date : 1993-10-01 Epub Date: 2003-01-03 DOI: 10.1016/1359-0189(93)90262-8
{"title":"A new computer-automated microscope stage and digitizing tablet system for fission-track analysis Dumitru, Trevor, Department of Geology, Stanford University, Stanford, California 94305","authors":"","doi":"10.1016/1359-0189(93)90262-8","DOIUrl":"https://doi.org/10.1016/1359-0189(93)90262-8","url":null,"abstract":"","PeriodicalId":82207,"journal":{"name":"Nuclear Tracks And Radiation Measurements","volume":"21 4","pages":"Page 614"},"PeriodicalIF":0.0,"publicationDate":"1993-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/1359-0189(93)90262-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136556818","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comparison of 2π and 4π fission track ages of the zircon from kanagase polymetallic ore vein 卡纳加斯多金属矿脉锆石2π和4π裂变径迹年龄的比较
Nuclear Tracks And Radiation Measurements Pub Date : 1993-10-01 Epub Date: 2003-01-03 DOI: 10.1016/1359-0189(93)90216-V
K. Wadatsumi, N.V. Khai
{"title":"Comparison of 2π and 4π fission track ages of the zircon from kanagase polymetallic ore vein","authors":"K. Wadatsumi,&nbsp;N.V. Khai","doi":"10.1016/1359-0189(93)90216-V","DOIUrl":"https://doi.org/10.1016/1359-0189(93)90216-V","url":null,"abstract":"","PeriodicalId":82207,"journal":{"name":"Nuclear Tracks And Radiation Measurements","volume":"21 4","pages":"Page 591"},"PeriodicalIF":0.0,"publicationDate":"1993-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/1359-0189(93)90216-V","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72246958","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Phanerozoic thermal history of the Northern Prince Charles Mountains, Antartica 南极查尔斯王子山脉北部显生宙热历史
Nuclear Tracks And Radiation Measurements Pub Date : 1993-10-01 Epub Date: 2003-01-03 DOI: 10.1016/1359-0189(93)90211-Q
Dennis C. Arne, Roderick W. Brown, Christopher J. Wilson
{"title":"Phanerozoic thermal history of the Northern Prince Charles Mountains, Antartica","authors":"Dennis C. Arne,&nbsp;Roderick W. Brown,&nbsp;Christopher J. Wilson","doi":"10.1016/1359-0189(93)90211-Q","DOIUrl":"10.1016/1359-0189(93)90211-Q","url":null,"abstract":"","PeriodicalId":82207,"journal":{"name":"Nuclear Tracks And Radiation Measurements","volume":"21 4","pages":"Page 589"},"PeriodicalIF":0.0,"publicationDate":"1993-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/1359-0189(93)90211-Q","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"101463307","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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