Investigating the nucleation and growth of zeolite crystals in space

Sacco, Albert; Baç, Nurcan; Warzywoda, Juliusz; Guray, Ipek; Marceau, Michelle; Sacco, Teran L.; Whalen, Leah M.

doi:10.1063/1.54844

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Section B—evolution Of Protolife From Archean Lunar Fumaroli1

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2009

2022

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“…Shock mechanisms may also play a role in protolife evolution. Low lunar gravity favors zeolite growth [ 110 ]. Zeolite “cages” can enclose and protect amino acid clusters.…”

Section: Section B—evolution Of Protolife From Archean Lunar Fumarolimentioning

confidence: 99%

Precambrian Lunar Volcanic Protolife

Green¹

2009

IJMS

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Five representative terrestrial analogs of lunar craters are detailed relevant to Precambrian fumarolic activity. Fumarolic fluids contain the ingredients for protolife. Energy sources to derive formaldehyde, amino acids and related compounds could be by flow charging, charge separation and volcanic shock. With no photodecomposition in shadow, most fumarolic fluids at 40 K would persist over geologically long time periods. Relatively abundant tungsten would permit creation of critical enzymes, Fischer-Tropsch reactions could form polycyclic aromatic hydrocarbons and soluble volcanic polyphosphates would enable assembly of nucleic acids. Fumarolic stimuli factors are described. Orbital and lander sensors specific to protolife exploration including combined Raman/laser-induced breakdown spectrocsopy are evaluated.

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“…Shock mechanisms may also play a role in protolife evolution. Low lunar gravity favors zeolite growth [ 110 ]. Zeolite “cages” can enclose and protect amino acid clusters.…”

Section: Section B—evolution Of Protolife From Archean Lunar Fumarolimentioning

confidence: 99%

Precambrian Lunar Volcanic Protolife

Green¹

2009

IJMS

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“…While larger is not always better, in some cases the larger crystals allowed for better resolution in X-ray diffraction experiments . In other cases, the slower nucleation rate provided fewer and larger crystals that provided a different, better morphology, especially for zeolites . In some examples, microgravity conditions allow for the largest crystals of a particular type to be grown .…”

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confidence: 99%