Evidence of phyllosilicates chemical and structural transformations under low-pH conditions; implications for the understanding of acidic weathering on Earth and Mars

L. Lefticariu; R. L. Bowman; M. Pentrak; J. W. Stucki; T. Peretyazhko

Evidence of phyllosilicates chemical and structural transformations under low-pH conditions; implications for the understanding of acidic weathering on Earth and Mars

L. Lefticariu, R. L. Bowman, M. Pentrak, J. W. Stucki, T. Peretyazhko

Prairie Research Institute

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

The following research provides evidence for the chemical and structural transformations of phyllosili- cates during interactions with highly-metalliferous, acidic rock drainages (ARD) from a site in Southern Illinois (Fig. 1). Elevated Fe content in phyllosilicates that underwent prolonged interaction with both ARD and Fe(III)-rich precipitates suggests that cation ex- change of layered and octahedral cations with aqueous Fe(III) drove phyllosilicates alteration [5], findings previously-unobserved in simplistic lab experiments.

Original language	English (US)
Title of host publication	Abstracts of Papers Submitted to the Lunar and Planetary Science Conference
Publisher	Lunar and Planetary Science Institute, Houston, TX, United States
State	Published - 2020

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Volume	51

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Lefticariu, L., Bowman, R. L., Pentrak, M., Stucki, J. W., & Peretyazhko, T. (2020). Evidence of phyllosilicates chemical and structural transformations under low-pH conditions; implications for the understanding of acidic weathering on Earth and Mars. In Abstracts of Papers Submitted to the Lunar and Planetary Science Conference Lunar and Planetary Science Institute, Houston, TX, United States.

Evidence of phyllosilicates chemical and structural transformations under low-pH conditions; implications for the understanding of acidic weathering on Earth and Mars. / Lefticariu, L.; Bowman, R. L.; Pentrak, M. et al.
Abstracts of Papers Submitted to the Lunar and Planetary Science Conference. Lunar and Planetary Science Institute, Houston, TX, United States, 2020.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Lefticariu, L, Bowman, RL, Pentrak, M, Stucki, JW & Peretyazhko, T 2020, Evidence of phyllosilicates chemical and structural transformations under low-pH conditions; implications for the understanding of acidic weathering on Earth and Mars. in Abstracts of Papers Submitted to the Lunar and Planetary Science Conference. Lunar and Planetary Science Institute, Houston, TX, United States.

Lefticariu L, Bowman RL, Pentrak M, Stucki JW, Peretyazhko T. Evidence of phyllosilicates chemical and structural transformations under low-pH conditions; implications for the understanding of acidic weathering on Earth and Mars. In Abstracts of Papers Submitted to the Lunar and Planetary Science Conference. Lunar and Planetary Science Institute, Houston, TX, United States. 2020

Lefticariu, L. ; Bowman, R. L. ; Pentrak, M. et al. / Evidence of phyllosilicates chemical and structural transformations under low-pH conditions; implications for the understanding of acidic weathering on Earth and Mars. Abstracts of Papers Submitted to the Lunar and Planetary Science Conference. Lunar and Planetary Science Institute, Houston, TX, United States, 2020.

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abstract = "The following research provides evidence for the chemical and structural transformations of phyllosili- cates during interactions with highly-metalliferous, acidic rock drainages (ARD) from a site in Southern Illinois (Fig. 1). Elevated Fe content in phyllosilicates that underwent prolonged interaction with both ARD and Fe(III)-rich precipitates suggests that cation ex- change of layered and octahedral cations with aqueous Fe(III) drove phyllosilicates alteration [5], findings previously-unobserved in simplistic lab experiments.",

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AU - Lefticariu, L.

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AU - Stucki, J. W.

AU - Peretyazhko, T.

PY - 2020

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N2 - The following research provides evidence for the chemical and structural transformations of phyllosili- cates during interactions with highly-metalliferous, acidic rock drainages (ARD) from a site in Southern Illinois (Fig. 1). Elevated Fe content in phyllosilicates that underwent prolonged interaction with both ARD and Fe(III)-rich precipitates suggests that cation ex- change of layered and octahedral cations with aqueous Fe(III) drove phyllosilicates alteration [5], findings previously-unobserved in simplistic lab experiments.

AB - The following research provides evidence for the chemical and structural transformations of phyllosili- cates during interactions with highly-metalliferous, acidic rock drainages (ARD) from a site in Southern Illinois (Fig. 1). Elevated Fe content in phyllosilicates that underwent prolonged interaction with both ARD and Fe(III)-rich precipitates suggests that cation ex- change of layered and octahedral cations with aqueous Fe(III) drove phyllosilicates alteration [5], findings previously-unobserved in simplistic lab experiments.

UR - https://www.hou.usra.edu/meetings/lpsc2020/pdf/2433.pdf

M3 - Conference contribution

BT - Abstracts of Papers Submitted to the Lunar and Planetary Science Conference

PB - Lunar and Planetary Science Institute, Houston, TX, United States

ER -

Evidence of phyllosilicates chemical and structural transformations under low-pH conditions; implications for the understanding of acidic weathering on Earth and Mars

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