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Complex nanostructures in shocked, annealed and metamorphosed baddeleyite defined by atom probe tomography

Research output: Chapter in Book/Report/Conference proceedingChapter (peer-reviewed)peer-review

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Complex nanostructures in shocked, annealed and metamorphosed baddeleyite defined by atom probe tomography. / White, Lee F.; Darling, James; Moser, Desmond E.; Reinhard, David A.; Larson, David J.; Lawrence, Daniel; Martin, Isabelle.

Microstructural Geochronology: Planetary Records Down to Atom Scale. ed. / Desmond E. Moser; Fernando Corfu; James R. Darling; Steven M. Reddy; Kimberly Tait. American Geophysical Union, 2018. p. 351-367 (Geophysical Monograph Series).

Research output: Chapter in Book/Report/Conference proceedingChapter (peer-reviewed)peer-review

Harvard

White, LF, Darling, J, Moser, DE, Reinhard, DA, Larson, DJ, Lawrence, D & Martin, I 2018, Complex nanostructures in shocked, annealed and metamorphosed baddeleyite defined by atom probe tomography. in DE Moser, F Corfu, JR Darling, SM Reddy & K Tait (eds), Microstructural Geochronology: Planetary Records Down to Atom Scale. Geophysical Monograph Series, American Geophysical Union, pp. 351-367. https://doi.org/10.1002/9781119227250.ch17

APA

White, L. F., Darling, J., Moser, D. E., Reinhard, D. A., Larson, D. J., Lawrence, D., & Martin, I. (2018). Complex nanostructures in shocked, annealed and metamorphosed baddeleyite defined by atom probe tomography. In D. E. Moser, F. Corfu, J. R. Darling, S. M. Reddy, & K. Tait (Eds.), Microstructural Geochronology: Planetary Records Down to Atom Scale (pp. 351-367). (Geophysical Monograph Series). American Geophysical Union. https://doi.org/10.1002/9781119227250.ch17

Vancouver

White LF, Darling J, Moser DE, Reinhard DA, Larson DJ, Lawrence D et al. Complex nanostructures in shocked, annealed and metamorphosed baddeleyite defined by atom probe tomography. In Moser DE, Corfu F, Darling JR, Reddy SM, Tait K, editors, Microstructural Geochronology: Planetary Records Down to Atom Scale. American Geophysical Union. 2018. p. 351-367. (Geophysical Monograph Series). https://doi.org/10.1002/9781119227250.ch17

Author

White, Lee F. ; Darling, James ; Moser, Desmond E. ; Reinhard, David A. ; Larson, David J. ; Lawrence, Daniel ; Martin, Isabelle. / Complex nanostructures in shocked, annealed and metamorphosed baddeleyite defined by atom probe tomography. Microstructural Geochronology: Planetary Records Down to Atom Scale. editor / Desmond E. Moser ; Fernando Corfu ; James R. Darling ; Steven M. Reddy ; Kimberly Tait. American Geophysical Union, 2018. pp. 351-367 (Geophysical Monograph Series).

Bibtex

@inbook{01e826e869994e72bb18d61cff51a573,
title = "Complex nanostructures in shocked, annealed and metamorphosed baddeleyite defined by atom probe tomography",
abstract = "Chemical and isotopic signatures recorded by the accessory phase baddeleyite (ZrO2) yield important insights into the formation and evolution of mafic planetary crusts. However, little work has been conducted regarding the effects of microstructures on the mobilization and diffusion of substitutional and interstitial ions. Coupled nanometer-scale analyses of chemistry and structure in mineral phases is possible using the emerging technique of atom probe tomography (APT). Here we use this technique to describe a range of complex chemical nanostructures within shocked, annealed and metamorphosed baddeleyite grains sampled in crater floor rocks ~550m away from the contact with the Sudbury impact melt sheet. This has revealed a wide range of nanostructural phenomena, including domains of clustered incompatible cations (Fe), separated by high-angle subgrain boundaries or low-angle planar features exhibiting wave-like features decorated with trace amounts of Al, Si and Fe, likely generated by shock metamorphism. In some cases, these nanostructures have facilitated much later, and highly localized, post-impact Pb loss and Si gain ascribed to regional greenschist metamorphism. Characterizing nanoscale heterogeneities within complex, shocked baddeleyite grains using APT may allow for resolution of different deformation pathways and a more confident interpretation of the geologic significance of micron-scale trace element and isotopic analyses.",
keywords = "annealed baddeleyite, atomic-scale techniques, complex chemical nanostructure formation, isotopic analysis, mafic planetary crusts, metamorphosed baddeleyite, micron-scale trace element analysis, microstructural geochronology, pervasive crystal plastic deformation, shocked baddeleyite grains",
author = "White, {Lee F.} and James Darling and Moser, {Desmond E.} and Reinhard, {David A.} and Larson, {David J.} and Daniel Lawrence and Isabelle Martin",
year = "2018",
month = jan,
day = "29",
doi = "10.1002/9781119227250.ch17",
language = "English",
isbn = "9781119227243",
series = "Geophysical Monograph Series",
publisher = "American Geophysical Union",
pages = "351--367",
editor = "Moser, {Desmond E.} and Fernando Corfu and Darling, {James R.} and Reddy, {Steven M.} and Kimberly Tait",
booktitle = "Microstructural Geochronology: Planetary Records Down to Atom Scale",
address = "United States",

}

RIS

TY - CHAP

T1 - Complex nanostructures in shocked, annealed and metamorphosed baddeleyite defined by atom probe tomography

AU - White, Lee F.

AU - Darling, James

AU - Moser, Desmond E.

AU - Reinhard, David A.

AU - Larson, David J.

AU - Lawrence, Daniel

AU - Martin, Isabelle

PY - 2018/1/29

Y1 - 2018/1/29

N2 - Chemical and isotopic signatures recorded by the accessory phase baddeleyite (ZrO2) yield important insights into the formation and evolution of mafic planetary crusts. However, little work has been conducted regarding the effects of microstructures on the mobilization and diffusion of substitutional and interstitial ions. Coupled nanometer-scale analyses of chemistry and structure in mineral phases is possible using the emerging technique of atom probe tomography (APT). Here we use this technique to describe a range of complex chemical nanostructures within shocked, annealed and metamorphosed baddeleyite grains sampled in crater floor rocks ~550m away from the contact with the Sudbury impact melt sheet. This has revealed a wide range of nanostructural phenomena, including domains of clustered incompatible cations (Fe), separated by high-angle subgrain boundaries or low-angle planar features exhibiting wave-like features decorated with trace amounts of Al, Si and Fe, likely generated by shock metamorphism. In some cases, these nanostructures have facilitated much later, and highly localized, post-impact Pb loss and Si gain ascribed to regional greenschist metamorphism. Characterizing nanoscale heterogeneities within complex, shocked baddeleyite grains using APT may allow for resolution of different deformation pathways and a more confident interpretation of the geologic significance of micron-scale trace element and isotopic analyses.

AB - Chemical and isotopic signatures recorded by the accessory phase baddeleyite (ZrO2) yield important insights into the formation and evolution of mafic planetary crusts. However, little work has been conducted regarding the effects of microstructures on the mobilization and diffusion of substitutional and interstitial ions. Coupled nanometer-scale analyses of chemistry and structure in mineral phases is possible using the emerging technique of atom probe tomography (APT). Here we use this technique to describe a range of complex chemical nanostructures within shocked, annealed and metamorphosed baddeleyite grains sampled in crater floor rocks ~550m away from the contact with the Sudbury impact melt sheet. This has revealed a wide range of nanostructural phenomena, including domains of clustered incompatible cations (Fe), separated by high-angle subgrain boundaries or low-angle planar features exhibiting wave-like features decorated with trace amounts of Al, Si and Fe, likely generated by shock metamorphism. In some cases, these nanostructures have facilitated much later, and highly localized, post-impact Pb loss and Si gain ascribed to regional greenschist metamorphism. Characterizing nanoscale heterogeneities within complex, shocked baddeleyite grains using APT may allow for resolution of different deformation pathways and a more confident interpretation of the geologic significance of micron-scale trace element and isotopic analyses.

KW - annealed baddeleyite

KW - atomic-scale techniques

KW - complex chemical nanostructure formation

KW - isotopic analysis

KW - mafic planetary crusts

KW - metamorphosed baddeleyite

KW - micron-scale trace element analysis

KW - microstructural geochronology

KW - pervasive crystal plastic deformation

KW - shocked baddeleyite grains

UR - http://www.scopus.com/inward/record.url?scp=85050444239&partnerID=8YFLogxK

U2 - 10.1002/9781119227250.ch17

DO - 10.1002/9781119227250.ch17

M3 - Chapter (peer-reviewed)

SN - 9781119227243

T3 - Geophysical Monograph Series

SP - 351

EP - 367

BT - Microstructural Geochronology: Planetary Records Down to Atom Scale

A2 - Moser, Desmond E.

A2 - Corfu, Fernando

A2 - Darling, James R.

A2 - Reddy, Steven M.

A2 - Tait, Kimberly

PB - American Geophysical Union

ER -

ID: 7113508