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Apatite (U-Th)/He thermochronometry: methods and applications to problems in tectonic and surface processes

Ehlers, Todd A. and Farley, Kenneth A. (2003) Apatite (U-Th)/He thermochronometry: methods and applications to problems in tectonic and surface processes. Earth and Planetary Science Letters, 206 (1-2). pp. 1-14. ISSN 0012-821X. http://resolver.caltech.edu/CaltechAUTHORS:20121115-091441978

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Abstract

In the last decade apatite (U–Th)/He thermochronometry has emerged as an important tool for quantifying the cooling history of rocks as they pass through the upper 1–3 km of the crust. The low closure temperature of this technique (∼70°C) has gained the interest of geomorphologists and tectonocists because it is applicable to interdisciplinary studies in landform evolution, structural geology, and geodynamics. We discuss current analytical techniques, the temperature calibration of the method, and sample quality considerations. Results from 1D, 2D and 3D thermo-kinematic numerical models are used to illustrate applications of He thermochronometry to problems in tectonics and landform evolution.


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http://dx.doi.org/10.1016/S0012-821X(02)01069-5DOIUNSPECIFIED
http://www.sciencedirect.com/science/article/pii/S0012821X02010695PublisherUNSPECIFIED
Additional Information:© 2002 Elsevier Science B.V. Received 11 July 2002; received in revised form 1 October 2002; accepted 5 November 2002. This research was funded by the National Science Foundation. Margie Rusmore and Glenn Woodsworth are thanked for thoughtful discussions about Coast Mountains, BC geology. Digital elevation models used in Figures 7 and 8 were provided through collaboration with G. Woodsworth and the Canadian Geologic Survey. We acknowledge Simon P. Kelley and Urs Schaltegger for constructive reviews.[AH]
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Subject Keywords:apatite; (U–Th)/He; thermochronometry; surface processes; tectonics; numerical modeling
Record Number:CaltechAUTHORS:20121115-091441978
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20121115-091441978
Official Citation:Todd A. Ehlers, Kenneth A. Farley, Apatite (U–Th)/He thermochronometry: methods and applications to problems in tectonic and surface processes, Earth and Planetary Science Letters, Volume 206, Issues 1–2, 30 January 2003, Pages 1-14, ISSN 0012-821X, 10.1016/S0012-821X(02)01069-5. (http://www.sciencedirect.com/science/article/pii/S0012821X02010695)
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:35475
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:15 Nov 2012 17:31
Last Modified:15 Nov 2012 17:31

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