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Title: Plutonium segregation in glassy aerodynamic fallout from a nuclear weapon test

Journal Article · · Dalton Transactions
DOI:https://doi.org/10.1039/C6DT04184A· OSTI ID:1361601
ORCiD logo [1];  [2];  [2];  [3];  [1];  [1];  [1];  [4];  [1];  [2]
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  2. Air Force Research Lab. (AFRL), Wright-Patterson AFB, OH (United States)
  3. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Univ. of Nevada, Las Vegas, NV (United States)
  4. Univ. of Nevada, Las Vegas, NV (United States)

Our study combines electron microscopy equipped with energy dispersive spectroscopy to probe major element composition and autoradiography to map plutonium in order to examine the spatial relationships between plutonium and fallout composition in aerodynamic glassy fallout from a nuclear weapon test. We interrogated a sample set of 48 individual fallout specimens in order to reveal that the significant chemical heterogeneity of this sample set could be described compositionally with a relatively small number of compositional endmembers. Furthermore, high concentrations of plutonium were never associated with several endmember compositions and concentrated with the so-called mafic glass endmember. Our result suggests that it is the physical characteristics of the compositional endmembers and not the chemical characteristics of the individual component elements that govern the un-burnt plutonium distribution with respect to major element composition in fallout.

Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation
Grant/Contract Number:
AC52-07NA27344
OSTI ID:
1361601
Report Number(s):
LLNL-JRNL-692614; ICHBD9
Journal Information:
Dalton Transactions, Vol. 46, Issue 6; ISSN 1477-9226
Publisher:
Royal Society of ChemistryCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 3 works
Citation information provided by
Web of Science

References (20)

Deposition of vaporized species onto glassy fallout from a near-surface nuclear test journal March 2017
The condensation of a vapour to an assembly of droplets or particles journal January 1956
Isotopic Fingerprinting of the World’s First Nuclear Device Using Post-Detonation Materials journal March 2013
Radionuclide Fractionation in Bomb Debris: The fractionation systematics for high-yield bursts at sea-water and coral surfaces are delineated journal June 1961
Spatially-resolved analyses of aerodynamic fallout from a uranium-fueled nuclear test journal October 2015
A multi-method approach for determination of radionuclide distribution in trinitite journal April 2013
Sourcing of Copper and Lead within Red Inclusions from Trinitite Postdetonation Material journal May 2015
Postdetonation nuclear debris for attribution journal November 2010
When the dust settles: stable xenon isotope constraints on the formation of nuclear fallout journal November 2014
Fractionation Phenomena in Nuclear Weapons Debris journal December 1959
Rhyolite-MELTS: a Modified Calibration of MELTS Optimized for Silica-rich, Fluid-bearing Magmatic Systems journal January 2012
The compositions, structures and origins of radioactive fall-out particles journal January 1960
Residual Radioactivity in the Soil of the Semipalatinsk Nuclear Test Site in the Former USSR journal January 1996
Lead Isotopic Composition of Trinitite Melt Glass: Evidence for the Presence of Canadian Industrial Lead in the First Atomic Weapon Test journal July 2013
Investigating incorporation and distribution of radionuclides in trinitite journal September 2011
Results of the Cabriolet Excavation Experiment journal September 1969
Constraints on fallout melt glass formation from a near-surface nuclear test journal July 2014
Debris from Tests of Nuclear Weapons: Activities roughly proportional to volume are found in particles examined by autoradiography and microscopy journal March 1961
Nature of Nuclear Debris in Sea-Water journal September 1962
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Cited By (19)

Constraints on fallout melt glass formation from a near-surface nuclear test journal July 2014
Nature of Nuclear Debris in Sea-Water journal September 1962
When the dust settles: stable xenon isotope constraints on the formation of nuclear fallout journal November 2014
Fractionation Phenomena in Nuclear Weapons Debris journal December 1959
Postdetonation nuclear debris for attribution journal November 2010
Sourcing of Copper and Lead within Red Inclusions from Trinitite Postdetonation Material journal May 2015
Spatially-resolved analyses of aerodynamic fallout from a uranium-fueled nuclear test journal October 2015
Isotopic Fingerprinting of the World’s First Nuclear Device Using Post-Detonation Materials journal March 2013
Residual Radioactivity in the Soil of the Semipalatinsk Nuclear Test Site in the Former USSR journal January 1996
Investigating incorporation and distribution of radionuclides in trinitite journal September 2011
The compositions, structures and origins of radioactive fall-out particles journal January 1960
The condensation of a vapour to an assembly of droplets or particles journal January 1956
Global distribution of Pu isotopes and 237Np journal September 1999
Radionuclide Fractionation in Bomb Debris: The fractionation systematics for high-yield bursts at sea-water and coral surfaces are delineated journal June 1961
Deposition of vaporized species onto glassy fallout from a near-surface nuclear test journal March 2017
Debris from Tests of Nuclear Weapons: Activities roughly proportional to volume are found in particles examined by autoradiography and microscopy journal March 1961
Lead Isotopic Composition of Trinitite Melt Glass: Evidence for the Presence of Canadian Industrial Lead in the First Atomic Weapon Test journal July 2013
Rhyolite-MELTS: a Modified Calibration of MELTS Optimized for Silica-rich, Fluid-bearing Magmatic Systems journal January 2012
A multi-method approach for determination of radionuclide distribution in trinitite journal April 2013

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