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Lattice preferred orientation of talc and implications for seismic anisotropy in subduction zones. / Lee, Jungjin; Jung, Haemyeong; Klemd, Reiner et al.

In: Earth and Planetary Science Letters, Vol. 537, 116178, 01.05.2020.

Research output: Contribution to journal › Article › peer-review

Harvard

Lee, J, Jung, H, Klemd, R, Tarling, MS & Konopelko, D 2020, 'Lattice preferred orientation of talc and implications for seismic anisotropy in subduction zones', Earth and Planetary Science Letters, vol. 537, 116178. https://doi.org/10.1016/j.epsl.2020.116178

APA

Lee, J., Jung, H., Klemd, R., Tarling, M. S., & Konopelko, D. (2020). Lattice preferred orientation of talc and implications for seismic anisotropy in subduction zones. Earth and Planetary Science Letters, 537, [116178]. https://doi.org/10.1016/j.epsl.2020.116178

Vancouver

Lee J, Jung H, Klemd R, Tarling MS, Konopelko D. Lattice preferred orientation of talc and implications for seismic anisotropy in subduction zones. Earth and Planetary Science Letters. 2020 May 1;537:116178. doi: 10.1016/j.epsl.2020.116178

Author

Lee, Jungjin ; Jung, Haemyeong ; Klemd, Reiner et al. / Lattice preferred orientation of talc and implications for seismic anisotropy in subduction zones. In: Earth and Planetary Science Letters. 2020 ; Vol. 537.

BibTeX

@article{b5625928304c4962af236c86d43cc26c,
title = "Lattice preferred orientation of talc and implications for seismic anisotropy in subduction zones",
abstract = "Strong seismic anisotropy is generally observed in subduction zones. Lattice preferred orientation (LPO) of olivine and elastically anisotropic hydrous minerals has been considered to be an important factor causing anomalous seismic anisotropy. For the first time, we report on measured LPOs of polycrystalline talc. The study comprises subduction-related ultrahigh-pressure metamorphic schists from the Makbal Complex in Kyrgyzstan-Kazakhstan and amphibolite-facies metasomatic schists from the Valla Field Block in Unst, Scotland. The here studied talc revealed a strong alignment of (001) planes (sub)parallel to the foliation and a girdle distribution of [100] axes and (010) poles (sub)parallel to the foliation. The LPOs of polycrystalline talc produced a significant P-wave anisotropy (AVp = 72%) and a high maximum S-wave anisotropy (max AVs = 24%). The results imply that the LPO of talc influence both the strong trench-parallel azimuthal anisotropy and positive/negative radial anisotropy of P-waves, and the trench-parallel seismic anisotropy of S-waves in subduction zones.",
keywords = "lattice preferred orientation, seismic anisotropy, subduction zone, talc, BEARING SERPENTINITE, ANTIGORITE, AMPHIBOLE, HIGH-PRESSURE STABILITY, MANTLE WEDGE, AZIMUTHAL ANISOTROPY, CHLORITE, SLAB, VELOCITIES, INSIGHTS",
author = "Jungjin Lee and Haemyeong Jung and Reiner Klemd and Tarling, {Matthew S.} and Dmitry Konopelko",
year = "2020",
month = may,
day = "1",
doi = "10.1016/j.epsl.2020.116178",
language = "English",
volume = "537",
journal = "Earth and Planetary Science Letters",
issn = "0012-821X",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Lattice preferred orientation of talc and implications for seismic anisotropy in subduction zones

AU - Lee, Jungjin

AU - Jung, Haemyeong

AU - Klemd, Reiner

AU - Tarling, Matthew S.

AU - Konopelko, Dmitry

PY - 2020/5/1

Y1 - 2020/5/1

N2 - Strong seismic anisotropy is generally observed in subduction zones. Lattice preferred orientation (LPO) of olivine and elastically anisotropic hydrous minerals has been considered to be an important factor causing anomalous seismic anisotropy. For the first time, we report on measured LPOs of polycrystalline talc. The study comprises subduction-related ultrahigh-pressure metamorphic schists from the Makbal Complex in Kyrgyzstan-Kazakhstan and amphibolite-facies metasomatic schists from the Valla Field Block in Unst, Scotland. The here studied talc revealed a strong alignment of (001) planes (sub)parallel to the foliation and a girdle distribution of [100] axes and (010) poles (sub)parallel to the foliation. The LPOs of polycrystalline talc produced a significant P-wave anisotropy (AVp = 72%) and a high maximum S-wave anisotropy (max AVs = 24%). The results imply that the LPO of talc influence both the strong trench-parallel azimuthal anisotropy and positive/negative radial anisotropy of P-waves, and the trench-parallel seismic anisotropy of S-waves in subduction zones.

AB - Strong seismic anisotropy is generally observed in subduction zones. Lattice preferred orientation (LPO) of olivine and elastically anisotropic hydrous minerals has been considered to be an important factor causing anomalous seismic anisotropy. For the first time, we report on measured LPOs of polycrystalline talc. The study comprises subduction-related ultrahigh-pressure metamorphic schists from the Makbal Complex in Kyrgyzstan-Kazakhstan and amphibolite-facies metasomatic schists from the Valla Field Block in Unst, Scotland. The here studied talc revealed a strong alignment of (001) planes (sub)parallel to the foliation and a girdle distribution of [100] axes and (010) poles (sub)parallel to the foliation. The LPOs of polycrystalline talc produced a significant P-wave anisotropy (AVp = 72%) and a high maximum S-wave anisotropy (max AVs = 24%). The results imply that the LPO of talc influence both the strong trench-parallel azimuthal anisotropy and positive/negative radial anisotropy of P-waves, and the trench-parallel seismic anisotropy of S-waves in subduction zones.

KW - lattice preferred orientation

KW - seismic anisotropy

KW - subduction zone

KW - talc

KW - BEARING SERPENTINITE

KW - ANTIGORITE

KW - AMPHIBOLE

KW - HIGH-PRESSURE STABILITY

KW - MANTLE WEDGE

KW - AZIMUTHAL ANISOTROPY

KW - CHLORITE

KW - SLAB

KW - VELOCITIES

KW - INSIGHTS

UR - http://www.scopus.com/inward/record.url?scp=85080075025&partnerID=8YFLogxK

U2 - 10.1016/j.epsl.2020.116178

DO - 10.1016/j.epsl.2020.116178

M3 - Article

AN - SCOPUS:85080075025

VL - 537

JO - Earth and Planetary Science Letters

JF - Earth and Planetary Science Letters

SN - 0012-821X

M1 - 116178

ER -

ID: 23641754