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A statistical test of the two reservoir model for helium isotopes

Anderson, Don L. (2001) A statistical test of the two reservoir model for helium isotopes. Earth and Planetary Science Letters, 193 (1-2). pp. 77-82. ISSN 0012-821X. https://resolver.caltech.edu/CaltechAUTHORS:20121010-074006185

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Abstract

A common hypothesis is that helium isotopes in mantle-derived materials represent two distinct populations, the midocean ridge (MORB) reservoir and the oceanic island (OIB) reservoir. We ask the question ‘Can we disprove the null hypothesis that OIB and MORB samples are drawn from the same population distribution function?’ The answer is no, meaning that the datasets could be drawn from the same population. Previous studies have reached the opposite conclusion by comparing extreme values in one population with the mean value, or range, of the other population after the extreme values are removed. The variance of the ^3He/^4He distribution for various ridge segments decreases with the spreading rate and the high variance of individual OIB datasets is consistent with slow spreading, small sampled volume, or low degrees of melting or degassing.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1016/S0012-821X(01)00507-6DOIUNSPECIFIED
http://www.sciencedirect.com/science/article/pii/S0012821X01005076PublisherUNSPECIFIED
Additional Information:© 2001 Elsevier Science B.V. Received 9 July 2001; received in revised form 9 August 2001; accepted 7 September 2001. This paper represents Contribution Number 8753, Division of Geological and Planetary Sciences, California Institute of Technology. The suggestions of Claude Allégre, Bernie Wood and anonymous reviewers are much appreciated. This work has been supported by NSF Grant EAR 9726252.[BW]
Funders:
Funding AgencyGrant Number
NSFEAR 9726252
Subject Keywords:helium; statistical analysis; isotope ratios; basalts; heterogeneity
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Other Numbering System NameOther Numbering System ID
Caltech Division of Geological and Planetary Sciences8753
Issue or Number:1-2
Record Number:CaltechAUTHORS:20121010-074006185
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20121010-074006185
Official Citation:Don L. Anderson, A statistical test of the two reservoir model for helium isotopes, Earth and Planetary Science Letters, Volume 193, Issues 1–2, 30 November 2001, Pages 77-82, ISSN 0012-821X, 10.1016/S0012-821X(01)00507-6. (http://www.sciencedirect.com/science/article/pii/S0012821X01005076)
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:34804
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:10 Oct 2012 15:04
Last Modified:03 Oct 2019 04:22

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