A cooling rate constraint on microtextural development of plagioclase and scapolite: an example from the Lutzow-Holm Complex, East Antarctica

Exsolution lamellae in albite-rich plagioclase and antiphase domains in scapolite from the Lutzow-Holm Complex of East Antarctica were found under a transmission electron microscope.These micro-textures were found in the first cooling period of the three period cooling model proposed from the geochr...

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Bibliographic Details
Main Authors: Akira Miyake, Yusuke Seto, Masao Kitamura
Format: Report
Language:English
Published: Department of Geology and Mineralogy, Graduate School of Science, Kyoto University 2003
Subjects:
cooling rate
exhumation rate
Lutzow-Holm Complex
microtexture
transmission electron microscope analysis
East Antarctica
Antarc*
Antarctica
Polar geoscience
Online Access:https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=3124
http://id.nii.ac.jp/1291/00003124/
https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=3124&item_no=1&attribute_id=18&file_no=1
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Summary:Exsolution lamellae in albite-rich plagioclase and antiphase domains in scapolite from the Lutzow-Holm Complex of East Antarctica were found under a transmission electron microscope.These micro-textures were found in the first cooling period of the three period cooling model proposed from the geochronological data. Based on these micro-textures,the cooling rate of the complex was estimated to be in a range from several to thousands K/my. These rates are concordant with those estimated from the ages of the complex.

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