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We characterize the precipitates with environmental scanning electron microscope micrography, micro-Raman spectroscopy, and X-ray diffractometry. Our analysis results indicate that self-assembled carbonate structures formed with calcium chloride can have vesicular and filamentary features. With magnesium sulfate as a reactant a tentative assignment with Raman spectroscopy indicates the presence of natroxalate in the precipitate. These morphologies and compounds appear through rapid sequestration of atmospheric CO\n                    <jats:sub>2<\/jats:sub>\n                    by alkaline solutions of silica and salts.\n                  <\/jats:p>","DOI":"10.1089\/ast.2021.0123","type":"journal-article","created":{"date-parts":[[2022,5,25]],"date-time":"2022-05-25T15:50:31Z","timestamp":1653493831000},"page":"863-879","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":4,"title":["Self-Assembled Structures Formed in CO\n                    <sub>2<\/sub>\n                    -Enriched Atmospheres: A Case-Study for Martian Biomimetic Forms"],"prefix":"10.1177","volume":"22","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2286-8380","authenticated-orcid":false,"given":"Elizabeth","family":"Escamilla-Roa","sequence":"first","affiliation":[{"name":"Department of Computer Science, Electrical and Space Engineering, Lule\u00e5 University of Technology, Lule\u00e5, Sweden."},{"name":"Instituto Andaluz de Ciencias de la Tierra (CSIC-UGR), Granada, Spain."},{"name":"International Research Centre in Critical Raw Materials-ICCRAM, Universidad de Burgos, Burgos, Spain."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mar\u00eda-Paz","family":"Zorzano","sequence":"additional","affiliation":[{"name":"Department of Planetology and Habitability, Centro de Astrobiolog\u00eda (CAB), CSIC-INTA, Torrej\u00f3n de Ardoz, Madrid, Spain."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Javier","family":"Martin-Torres","sequence":"additional","affiliation":[{"name":"Instituto Andaluz de Ciencias de la Tierra (CSIC-UGR), Granada, Spain."},{"name":"School of Geosciences, University of Aberdeen, Aberdeen, United Kingdom."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Claro Ignacio","family":"Sainz-D\u00edaz","sequence":"additional","affiliation":[{"name":"Instituto Andaluz de Ciencias de la Tierra (CSIC-UGR), Granada, Spain."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Julyan H.E.","family":"Cartwright","sequence":"additional","affiliation":[{"name":"Instituto Andaluz de Ciencias de la Tierra (CSIC-UGR), Granada, Spain."},{"name":"Instituto Carlos I de F\u00edsica Te\u00f3rica y Computacional, Universidad de Granada, Granada, Spain."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2022,7,11]]},"reference":[{"key":"e_1_3_4_2_1","article-title":"Detecting oxalate minerals on mars using CRISM and in-situ spectroscopy","author":"Aaron ML","year":"2019","unstructured":"Aaron ML, , Steele A, , Shkolyar S, et al. 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