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Annealing behavior of alpha recoil tracks in phlogopite
Yuan, WM; Ketcham, RA; Gao, SK; Dong, JQ; Bao, ZK; Deng, J; Dong JQ(董金泉); Bao ZK(保增宽)
2009
发表期刊CHEMICAL GEOLOGY
卷号266期号:3-4页码:343-349
通讯作者[Yuan, Wanming ; Deng, Jun] China Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Beijing 100083, Peoples R China ; [Ketcham, Richard A.] Univ Texas Austin, Dept Geol Sci, Jackson Sch Geosci, Austin, TX 78712 USA ; [Gao, Shaokai] Chinese Acad Sci, Ecoenvironm Sci Res Ctr, Beijing 100085, Peoples R China ; [Dong, Jinquan ; Bao, Zenkuan] Chinese Acad Sci, Inst High Energy Phys, Lab Nucl Anal Tech, Beijing 100039, Peoples R China
文章类型Article
摘要In this study we present and interpret a new experimental data set documenting thermal annealing of alpha recoil tracks (ARTs) in phlogopite. Through improvements in experimental technique, difficulties in obtaining useable data from material with an uneven distribution of U and Th were overcome. The resulting annealing pattern was well organized on an Arrhenius plot, allowing construction of a simple, 3-parameter annealing model of parallel contours of constant annealing with a linear progression. Our data and model indicate that phlogopite ARTs anneal at very low temperatures on geological time scales. At the million-year time scale, full annealing requires a temperature of only 33 degrees C, and we infer closure temperatures from 26-37 degrees C for cooling rates of 10-100 degrees C/m.y. Phlogopite ART analysis is thus likely to be primarily useful in relatively young (<1 Ma) terrains featuring either recent volcanism or recent, fast exhumation. In such situations, however, it may provide unique information on the timing of the final stages of unroofing. Comparison of our results with previous studies on ART and fission-track annealing in phlogopite and biotite indicates that these two types of radiation damage anneal at disparate time and temperature conditions in biotite-series micas. (C) 2009 Elsevier B.V. All rights reserved.
关键词Alpha recoil tracks Phlogopite Annealing
学科领域Geochemistry & Geophysics
研究领域[WOS]Geochemistry & Geophysics ; Geochemistry & Geophysics
DOI10.1016/j.chemgeo.2009.06.022
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语种英语
研究领域[WOS]Geochemistry & Geophysics ; Geochemistry & Geophysics
WOS类目Geochemistry & Geophysics
WOS记录号WOS:000270346400021
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/237070
专题多学科研究中心
中国科学院高能物理研究所_人力资源处
作者单位中国科学院高能物理研究所
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Yuan, WM,Ketcham, RA,Gao, SK,et al. Annealing behavior of alpha recoil tracks in phlogopite[J]. CHEMICAL GEOLOGY,2009,266(3-4):343-349.
APA Yuan, WM.,Ketcham, RA.,Gao, SK.,Dong, JQ.,Bao, ZK.,...&保增宽.(2009).Annealing behavior of alpha recoil tracks in phlogopite.CHEMICAL GEOLOGY,266(3-4),343-349.
MLA Yuan, WM,et al."Annealing behavior of alpha recoil tracks in phlogopite".CHEMICAL GEOLOGY 266.3-4(2009):343-349.
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