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Sub-micron-scale variations in Ti abundance in zircon

Hofmann, A. E. and Cavosie, A. J. and Guan, Y. and Valley, J. W. and Eiler, J. M. (2007) Sub-micron-scale variations in Ti abundance in zircon. Geochimica et Cosmochimica Acta, 71 (15). A411-A411. ISSN 0016-7037. https://resolver.caltech.edu/CaltechAUTHORS:20130723-084406023

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Abstract

The Ti-in-zircon geothermometer [1,2] can constrain growth and/or re-equilibration temperatures of zircons and is particularly useful for constraining Archean and Hadean events where detrital zircon is the only surviving mineral. Zircons are often small (ca. <100 µm in the long dimension) and preserve evidence of fine-scale (sub-micron) compositional zonation. Methods for determining Ti adbundances in natural zircons typically analyze domains 10s of microns across, which must average fine-scale compositional variations. Although Ti can correlate with coarse cathodoluminescence (CL) zones (e.g., [3]), it is unknown whether Ti exhibits fine-scale variations and thus may be compromised by coarse-scale measurements.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1016/j.gca.2007.06.017DOIArticle
http://www.sciencedirect.com/science/article/pii/S0016703707003183PublisherArticle
Additional Information:© 2007 Published by Elsevier Ltd.
Issue or Number:15
Record Number:CaltechAUTHORS:20130723-084406023
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20130723-084406023
Official Citation:Goldschmidt Abstracts- H, Geochimica et Cosmochimica Acta, Volume 71, Issue 15, Supplement, August 2007, Pages A367-A426, ISSN 0016-7037, http://dx.doi.org/10.1016/j.gca.2007.06.017.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:39513
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:23 Jul 2013 15:49
Last Modified:03 Oct 2019 05:07

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