Explanipedia

Fe-phosphates in Jezero Crater as evidence for an ancient habitable environment on Mars Open

T. V. Kizovski, Mark Schmidt, L. P. O’Neil, Michael W. Jones, Nicholas J. Tosca , et al. · 2025

Phosphorus is an essential component for life, and in-situ identification of phosphate minerals that formed in aqueous conditions directly contributes toward one of the main goals of the Mars 2020 Perseverance rover: to seek signs of ancie…

Fe-phosphates in Jezero Crater: Chemical, Structural, and Spectral Evidence for an Ancient Habitable Environment on Mars Open

T. V. Kizovski, M. E. Schmidt, L. P. O’Neil, Michael W. Jones, Nicholas J. Tosca , et al. · 2024

Phosphorus is an essential component for life, and in-situ identification of phosphate minerals that formed in aqueous conditions directly contributes toward one of the main goals of the Mars 2020 Perseverance rover: to seek signs of ancie…

Phosphates on Mars and Their Importance as Igneous, Aqueous, and Astrobiological Indicators Open

Elisabeth M. Hausrath, C. T. Adcock, J. A. Berger, Leena Mavis Cycil, T. V. Kizovski , et al. · 2024

This paper reviews the phosphate phases in meteorites and those measured by landed spacecraft, what they reveal about past igneous and aqueous conditions on Mars, and important implications for potential prebiotic chemistry, past habitabil…

An Examination of Soil Crusts on the Floor of Jezero Crater, Mars Open

Elisabeth M. Hausrath, C. T. Adcock, Andreas Bechtold, P. Beck, Kathleen C. Benison , et al. · 2023

Martian soils are critically important for understanding the history of Mars, past potentially habitable environments, returned samples, and future human exploration. This study examines soil crusts on the floor of Jezero crater encountere…

Investigating the Growth of Algae Under Low Atmospheric Pressures for Potential Food and Oxygen Production on Mars Open

Leena Mavis Cycil, Elisabeth M. Hausrath, D. W. Ming, C. T. Adcock, James A. Raymond , et al. · 2021

With long-term missions to Mars and beyond that would not allow resupply, a self-sustaining Bioregenerative Life Support System (BLSS) is essential. Algae are promising candidates for BLSS due to their completely edible biomass, fast growt…

Mars-Relevant Phosphate Minerals and Implications for Martian Habitability Open

C. T. Adcock · 2020

This dissertation is comprised of three studies focused on martian phosphate availability, with an introductory chapter introducing and linking the three studies. Chapter two is on the subject of merrillite synthesis. Merrillite is an extr…

Snow Algae Preferentially Grow on Fe-containing Minerals and Contribute to the Formation of Fe Phases Open

C. M. Phillips-Lander, Z. Harrold, Elisabeth M. Hausrath, Antonio Lanzirotti, M. Newville , et al. · 2020

Snow algae growth and mineral dust deposition are both known to strongly decrease snow albedo. Previous work has shown snow algae growth is enhanced in the presence of trace nutrient-containing minerals. Increased dust deposition with arid…

The influence of thermal processing on the sorption of Cs and Sr by sitinakite Open

S. R. Gainey, Matheus Tolentino Lauar, C. T. Adcock, Jacimaria R. Batista, Kenneth R. Czerwinski , et al. · 2019

Modeling gamma radiation exposure rates using geologic and remote sensing data to locate radiogenic anomalies Open

C. T. Adcock, Daniel A. Haber, P. C. Burnley, Russell Malchow, Elisabeth M. Hausrath · 2019

Discreditation of bobdownsite and the establishment of criteria for the identification of minerals with essential monofluorophosphate (PO3F2–) Open

F. M. McCubbin, Brian L. Phillips, C. T. Adcock, K. T. Tait, A. Steele , et al. · 2018

Bobdownsite, IMA number 2008-037, was approved as a new mineral by the Commission on New Minerals, Nomenclature and Classification (CNMNC) as the fluorine end-member of the mineral whitlockite. The type locality of bobdownsite is in Big Fi…

Clay mineral formation under oxidized conditions and implications for paleoenvironments and organic preservation on Mars Open

S. R. Gainey, Elisabeth M. Hausrath, C. T. Adcock, Oliver Tschauner, J. A. Hurowitz , et al. · 2017

Clay mineral-bearing locations have been targeted for martian exploration as potentially habitable environments and as possible repositories for the preservation of organic matter. Although organic matter has been detected at Gale Crater, …

Shock-transformation of whitlockite to merrillite and the implications for meteoritic phosphate Open

C. T. Adcock, Oliver Tschauner, Elisabeth M. Hausrath, Arya Udry, Sheng‐Nian Luo , et al. · 2017

Modeling background radiation in Southern Nevada Open

Daniel A. Haber, P. C. Burnley, C. T. Adcock, Russell Malchow, Kara Marsac , et al. · 2017

Aerial gamma ray surveys are an important tool for national security, scientific, and industrial interests in determining locations of both anthropogenic and natural sources of radioactivity. There is a relationship between radioactivity a…

Modeling background radiation using geochemical data: A case study in and around Cameron, Arizona Open

Kara Marsac, P. C. Burnley, C. T. Adcock, Daniel A. Haber, Russell Malchow , et al. · 2016

Investigations of Shock Effects on Phosphate Minerals in Extraterrestrial Materials Open

C. T. Adcock, Elisabeth M. Hausrath, Oliver Tschauner, Arya Udry · 2015

Predictive Modeling of Terrestrial Radiation Exposure from Geologic Materials Open

Russell Malchow, P. C. Burnley, Kara Marsac, Elisabeth M. Hausrath, C. T. Adcock · 2015

Aerial gamma ray surveys are important for those working in nuclear security and industry for determining locations of both anthropogenic radiological sources and natural occurrences of radionuclides. During an aerial gamma ray survey, a l…

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