Detrital zircon geochronology by LA-ICP-MS of the Neoarchean Manjeri Formation in the Archean Zimbabwe craton- the disappearance of Eoarchean crust by 2.7 Ga?
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- 作者：Hikaru Sawadaa ; sawada.h.aa@m.titech.ac.jp" class="auth_mail" title="E-mail the corresponding author ; Shigenori Maruyamab ; Shuhei Sakatac ; Takafumi Hiratac
- 关键词：Zimbabwe craton ; Belingwe ; Archean ; U&ndash ; Pb age ; Detrital zircon ; Subduction erosion
- 刊名：Journal of African Earth Sciences
- 出版年：2016
- 出版时间：January 2016
- 年：2016
- 卷：113
- 期：Complete
- 页码：1-11
- 全文大小：1815 K
文摘
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Detrital zircons from ca. 2.7 Ga clastic rocks in Zimbabwe were dated by LA-ICP-MS.
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Detrital zircon grains range in 2.7 and 3.5 Ga with four peaks.
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We discuss the possible mechanism for disappearance of the Eoarchean units.