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Title: Multivariate Analysis Based on Geochemical, Isotopic, and Mineralogical Compositions of Uranium-Rich Samples

Abstract

The chemical and isotopic (U, Pb, Sr) signatures for a suite (n = 23) of pristine (>80 wt. % UO2) and altered uraninite samples (>70–80 wt. % UO2) from various locations worldwide have been determined for the purpose of identifying potential fingerprints for nuclear forensic analysis. The characterization of the uraninite samples included determination of major, minor and trace element contents, Sr, Pb, and U isotopic compositions, and secondary mineral assemblages. Due to the multivariate approach adopted in this study, principal component analysis (PCA) has been employed to allow the direct comparison of multiple variable types. The PCA results indicate that the geological origin (sandstone, metamorphite, intrusive, granite and unconformity) of pristine uraninite can be readily identified utilizing various combinations of major and/or trace element concentrations with isotopic compositions.

Authors:
ORCiD logo [1]; ORCiD logo [1];  [2];  [1];  [1];  [1]; ORCiD logo [3]
  1. Univ. of Notre Dame, IN (United States). Dept. of Civil and Environmental Engineering and Earth Sciences
  2. Univ. of Notre Dame, IN (United States). Dept. of Civil and Environmental Engineering and Earth Sciences ; Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  3. Univ. of Notre Dame, IN (United States). Dept. of Civil and Environmental Engineering and Earth Sciences, and Dept. of Chemistry and Biochemistry
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1564153
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
Minerals
Additional Journal Information:
Journal Volume: 9; Journal Issue: 9; Journal ID: ISSN 2075-163X
Publisher:
MDPI
Country of Publication:
United States
Language:
English
Subject:
58 GEOSCIENCES

Citation Formats

Corcoran, Loretta, Simonetti, Antonio, Spano, Tyler L., Lewis, Stefanie R., Dorais, Corinne, Simonetti, Stefanie, and Burns, Peter C. Multivariate Analysis Based on Geochemical, Isotopic, and Mineralogical Compositions of Uranium-Rich Samples. United States: N. p., 2019. Web. doi:10.3390/min9090537.
Corcoran, Loretta, Simonetti, Antonio, Spano, Tyler L., Lewis, Stefanie R., Dorais, Corinne, Simonetti, Stefanie, & Burns, Peter C. Multivariate Analysis Based on Geochemical, Isotopic, and Mineralogical Compositions of Uranium-Rich Samples. United States. doi:10.3390/min9090537.
Corcoran, Loretta, Simonetti, Antonio, Spano, Tyler L., Lewis, Stefanie R., Dorais, Corinne, Simonetti, Stefanie, and Burns, Peter C. Thu . "Multivariate Analysis Based on Geochemical, Isotopic, and Mineralogical Compositions of Uranium-Rich Samples". United States. doi:10.3390/min9090537. https://www.osti.gov/servlets/purl/1564153.
@article{osti_1564153,
title = {Multivariate Analysis Based on Geochemical, Isotopic, and Mineralogical Compositions of Uranium-Rich Samples},
author = {Corcoran, Loretta and Simonetti, Antonio and Spano, Tyler L. and Lewis, Stefanie R. and Dorais, Corinne and Simonetti, Stefanie and Burns, Peter C.},
abstractNote = {The chemical and isotopic (U, Pb, Sr) signatures for a suite (n = 23) of pristine (>80 wt. % UO2) and altered uraninite samples (>70–80 wt. % UO2) from various locations worldwide have been determined for the purpose of identifying potential fingerprints for nuclear forensic analysis. The characterization of the uraninite samples included determination of major, minor and trace element contents, Sr, Pb, and U isotopic compositions, and secondary mineral assemblages. Due to the multivariate approach adopted in this study, principal component analysis (PCA) has been employed to allow the direct comparison of multiple variable types. The PCA results indicate that the geological origin (sandstone, metamorphite, intrusive, granite and unconformity) of pristine uraninite can be readily identified utilizing various combinations of major and/or trace element concentrations with isotopic compositions.},
doi = {10.3390/min9090537},
journal = {Minerals},
number = 9,
volume = 9,
place = {United States},
year = {2019},
month = {9}
}

Journal Article:
Free Publicly Available Full Text
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Cited by: 2 works
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Figures / Tables:

Table 1 Table 1: Location and deposit classification of uraninite samples (n = 23).

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