Mid-infrared spectroscopy of crystalline plagioclase feldspar samples with various Al,Si order and implications for remote sensing of Mercury and other terrestrial Solar System objects

Reitze, Maximilian P.; Weber, I.; Morlok, A.; Hiesinger, H.; Bauch, Karin E.; Stojic, Aleksandra N.; Helbert, J.

doi:10.1016/j.epsl.2020.116697

Cited by 18 publications

(28 citation statements)

References 31 publications

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“…Figure 7 shows a comparison of the feldspars prepared from the samples with four different plagioclase feldspars taken from the IRIS database. Sample ID 167 is a highly disordered pure albite (Reitze et al., 2020, 2021), sample ID 127 is a synthetic plagioclase with a

\sim

labradoritic composition, with or near to highest possible disorder, sample ID 2 is a natural low plagioclase with An 53 , and sample ID 126 a synthetic anorthite (Reitze et al., 2021). ID 2 and ID 127 have a comparable An‐content as the feldspars taken from the 10BD‐samples (mean

\sim {normalA normalb}_{47} {normalA normaln}_{51} {normalO normalr}_{2}

).…”

Section: Discussionmentioning

confidence: 99%

“…ID 2 and ID 127 have a comparable An‐content as the feldspars taken from the 10BD‐samples (mean

\sim {normalA normalb}_{47} {normalA normaln}_{51} {normalO normalr}_{2}

). The spectral differences between ID 2 and ID 127 are due to the different degree of Al,Si order (Reitze et al., 2021). The wavelength of the CF is only affected by the chemical composition of the plagioclases and the environmental conditions (e.g., Conel, 1970; Donaldson Hanna et al., 2012; Nash & Salisbury, 1991) but the exact correlation function is debatable (Reitze et al., 2021).…”

Section: Discussionmentioning

confidence: 99%

“…The autocorrelation technique is sensitive to the width of the analyzed peaks in the spectra. Reitze et al (2020) and Reitze et al (2021) used the autocorrelation method to analyze mid-IR reflectance spectra and were able to determine the degree of Al,Si order of alkali feldspars as well as plagioclase feldspars with the technique. The method uses the wavelength of the CF and the width of the spectral autocorrelation function between 7.27 µm and 12.11 µm (Reitze et al, 2021).…”

Section: Infraredmentioning

confidence: 99%

“…In addition, the diffusion of the cations K, Na, and Ca were also strongly enhanced (Ostertag & Stffler, 1982). Furthermore, just like extremely high shocked plagioclases (e.g., Jaret, Johnson, et al, 2018), the state of Al,Si order has a very large influence on the mean-IR spectra of plagioclases (Reitze et al, 2020(Reitze et al, , 2021. This means, disordered samples could easily be misinterpreted for shocked samples in mid-IR spectra.…”

Section: Implications Of the Formation History Of The Feldsparsmentioning

confidence: 99%

“…A change of the Al,Si order does not change the chemical composition. However, both properties, chemical composition as well as Al,Si order, affect the shape of the mid‐infrared (mid‐IR) reflectance spectra (Reitze et al., 2020, 2021). On the surfaces of planetary objects without atmosphere, space weathering (large meteorite impacts, micrometeorite bombardment, as well as radiation originating from the Sun and the Galaxy) plays an important role (e.g., Bennett et al., 2013, and references therein).…”

Section: Introductionmentioning

confidence: 99%

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Mid‐Infrared Spectroscopy of Anorthosite Samples From Near Manicouagan Crater, Canada, as Analogue for Remote Sensing of Mercury and Other Terrestrial Solar System Objects

et al. 2021

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\sim

\sim {normalA normalb}_{47} {normalA normaln}_{51} {normalO normalr}_{2}

).…”

Section: Discussionmentioning

confidence: 99%

“…ID 2 and ID 127 have a comparable An‐content as the feldspars taken from the 10BD‐samples (mean

\sim {normalA normalb}_{47} {normalA normaln}_{51} {normalO normalr}_{2}

Section: Discussionmentioning

confidence: 99%

Section: Infraredmentioning

confidence: 99%

Section: Implications Of the Formation History Of The Feldsparsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Mid‐Infrared Spectroscopy of Anorthosite Samples From Near Manicouagan Crater, Canada, as Analogue for Remote Sensing of Mercury and Other Terrestrial Solar System Objects

et al. 2021

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Alteration in the Raman spectra of characteristic rock‐forming silicate mixtures due to micrometeorite bombardment

Weber,

Pavlov,

Böttger

et al. 2024

J Raman Spectroscopy

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Innovative techniques are required for the in situ investigation of the surfaces of planetary bodies when landings are planned. Raman spectroscopy turned out as an excellent tool for fast mineralogical analyses on space missions. Contribution from a photoluminescence signal is not unexpected and is likely to be even more pronounced on celestial surfaces with a dilute or absent atmosphere exposed to strong space weathering, for example, micrometeorite bombardment. Such signals were found, for example, in Raman analysis of the probes from sample‐return missions. While photoluminescence is generally considered as an accompanying undesired product in the Raman spectral measurement, our studies show that some analytical information can be derived from this signal, and even more, due to the specific correlation of luminescence intensity with space weathering products. Therefore, we investigate the Raman spectra alteration of characteristic rock‐forming mineral mixtures (olivine, pyroxene and plagioclase) by micrometeorite bombardment, which is simulated by nanosecond‐pulse laser irradiation. The changes in the minerals are strongly dependent on the composition and structure. They range from disappearing changes in the minerals with simple chemistry and structure to complete amorphization of minerals with relatively low melting enthalpy. With Raman spectroscopy, we found out that the photoluminescence signals show resonant or anti‐resonant changes to specific mineral phases and amorphization. Furthermore, ablation‐induced iron nanoparticles of minerals containing Fe are detectable by Raman spectroscopy due to their alteration into iron oxides. Trapped volatiles in the matrices are analysed due to the formation of the compounds containing them. This broad spectrum of results indicating specific change phenomena due to space weathering can be effectively used for in situ Raman analysis in planetary missions.

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Identifying Shocked Feldspar on Mars Using Perseverance Spectroscopic Instruments: Implications for Geochronology Studies on Returned Samples

et al. 2022

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Mid-infrared spectroscopy of crystalline plagioclase feldspar samples with various Al,Si order and implications for remote sensing of Mercury and other terrestrial Solar System objects

Cited by 18 publications

References 31 publications

Mid‐Infrared Spectroscopy of Anorthosite Samples From Near Manicouagan Crater, Canada, as Analogue for Remote Sensing of Mercury and Other Terrestrial Solar System Objects

Mid‐Infrared Spectroscopy of Anorthosite Samples From Near Manicouagan Crater, Canada, as Analogue for Remote Sensing of Mercury and Other Terrestrial Solar System Objects

Alteration in the Raman spectra of characteristic rock‐forming silicate mixtures due to micrometeorite bombardment

Identifying Shocked Feldspar on Mars Using Perseverance Spectroscopic Instruments: Implications for Geochronology Studies on Returned Samples

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