| Reference Type | Journal (article/letter/editorial) |
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| Title | Poirierite, a dense metastable polymorph of magnesium iron silicate in shocked meteorites |
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| Journal | Communications Earth & Environment |
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| Authors | Tomioka, Naotaka | Author |
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| Bindi, Luca | Author |
| Okuchi, Takuo | Author |
| Miyahara, Masaaki | Author |
| Iitaka, Toshiaki | Author |
| Li, Zhi | Author |
| Kawatsu, Tsutomu | Author |
| Xie, Xiande | Author |
| Purevjav, Narangoo | Author |
| Tani, Riho | Author |
| Kodama, Yu | Author |
| Year | 2021 (January 22) | Volume | < 2 > |
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| Page(s) | 1-8 | Issue | < 1 > |
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| Publisher | Springer Science and Business Media LLC |
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| URL | |
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| DOI | doi:10.1038/s43247-020-00090-7Search in ResearchGate |
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| Generate Citation Formats |
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| Original Entry | Tomioka, N., Bindi, L., Okuchi, T., Miyahara, M., Iitaka, T., Li, Z., Kawatsu, T., Xie, X., Purevjav, N., Tani, R., Kodama, Y. (2021). Poirierite, a dense metastable polymorph of magnesium iron silicate in shocked meteorites. Communications Earth & Environment, 2(1), 1-8. doi.org/10.1038/s43247-020-00090-7 |
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| Classification | Not set | LoC | Not set |
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| Mindat Ref. ID | 16143035 | Long-form Identifier | mindat:1:5:16143035:1 |
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| GUID | 0 |
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| Full Reference | Tomioka, Naotaka; Bindi, Luca; Okuchi, Takuo; Miyahara, Masaaki; Iitaka, Toshiaki; Li, Zhi; Kawatsu, Tsutomu; Xie, Xiande; Purevjav, Narangoo; Tani, Riho; et al. (2021) Poirierite, a dense metastable polymorph of magnesium iron silicate in shocked meteorites. Communications Earth & Environment, 2 (1). 1-8 doi:10.1038/s43247-020-00090-7 |
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| Plain Text | Tomioka, Naotaka; Bindi, Luca; Okuchi, Takuo; Miyahara, Masaaki; Iitaka, Toshiaki; Li, Zhi; Kawatsu, Tsutomu; Xie, Xiande; Purevjav, Narangoo; Tani, Riho; et al. (2021) Poirierite, a dense metastable polymorph of magnesium iron silicate in shocked meteorites. Communications Earth & Environment, 2 (1). 1-8 doi:10.1038/s43247-020-00090-7 |
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| In | Link this record to the correct parent record (if possible) |
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| Abstract/Notes | AbstractA dense magnesium iron silicate polymorph with a structure intermediate between olivine, ringwoodite, and wadsleyite was theoretically predicted about four decades ago. As this group of minerals constitute the major component of shocked meteorites, constraining their transitional forms and behaviour is of potential importance for understanding impact events on their parent bodies. Here we use high-resolution transmission electron microscopy techniques and single-crystal X-ray diffraction analyses to identify naturally occurring examples of this mineral – recently named poirierite – in shocked chondritic meteorites. We observe nanoscale lamellar poirierite topotactically intergrown within wadsleyite, and additionally within ringwoodite as recently reported. Our results confirm the intermediate structure of poirierite and suggest it might be a relay point in the shear transformations between its polymorphs. We propose that poirierite formed during rapid decompression at relatively low temperature in retrograde shock metamorphism of the meteorites. |
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