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Helium chronometry of apatite and titanite using Nd-YAG laser heating

House, M. A. and Farley, K. A. and Stockli, D. (2000) Helium chronometry of apatite and titanite using Nd-YAG laser heating. Earth and Planetary Science Letters, 183 (3-4). pp. 365-368. ISSN 0012-821X. http://resolver.caltech.edu/CaltechAUTHORS:20121113-113651580

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Abstract

We developed a technique for extracting ^4He from apatite and titanite using laser heating that permits measurement of U and Th and, hence, (U–Th)/He ages, on a single sample aliquot. Unlike direct laser heating, quantitative He extraction and U, Th retention can be achieved when samples are indirectly laser heated to temperatures below their melting point. Resulting He ages are consistent with those obtained from conventional furnace heating of larger samples. The major advantages of this technique include faster analysis and far lower, more reproducible He blanks that permit single crystal analyses. Single crystal dating opens a variety of new avenues for (U–Th)/He chronometry.


Item Type:Article
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URLURL TypeDescription
http://dx.doi.org/10.1016/S0012-821X(00)00286-7DOIUNSPECIFIED
http://www.sciencedirect.com/science/article/pii/S0012821X00002867PublisherUNSPECIFIED
Additional Information:© 2000 Elsevier Science B.V. Received 8 August 2000; received in revised form 25 September 2000; accepted 27 September 2000. This work was supported by the National Science Foundation and a fellowship to K.A.F. from the David and Lucille Packard Foundation. Helpful reviews by C. Hall and an anonymous reviewer improved the manuscript.[RV].
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Funding AgencyGrant Number
NSFUNSPECIFIED
David and Lucile Packard FoundationUNSPECIFIED
Subject Keywords:apatite; titanite; laser methods; thermochronology; helium
Record Number:CaltechAUTHORS:20121113-113651580
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20121113-113651580
Official Citation:M.A. House, K.A. Farley, D. Stockli, Helium chronometry of apatite and titanite using Nd-YAG laser heating, Earth and Planetary Science Letters, Volume 183, Issues 3–4, 15 December 2000, Pages 365-368, ISSN 0012-821X, 10.1016/S0012-821X(00)00286-7. (http://www.sciencedirect.com/science/article/pii/S0012821X00002867)
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:35431
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:13 Nov 2012 19:45
Last Modified:23 Aug 2016 10:21

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