Martian Chemical and Isotopic Reference Standards in Earth-based Laboratories — An Invitation for Geochemical, Astrobiological, and Engineering Dialog on Considering a Weathered Chondrite for Mars Sample Return.

James Warren Ashley1, Alastair William Tait2, Michael Anthony Velbel3,4, Penelope Jane Boston5, Brandi L Carrier1, Barbara A Cohen6, Christian Schröder7 and Phil Bland8, (1)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (2)Monash University, School of Earth, Atmosphere and Environment, Melbourne, VIC, Australia, (3)Michigan State University, Earth & Environmental Sciences, East Lansing, MI, United States, (4)National Museum of Natural History, Smithsonian Institution, Department of Mineral Sciences, Washington DC, United States, (5)NASA Ames Research Center, Moffett Field, United States, (6)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (7)University of Stirling, Biological and Environmental Sciences, Stirling, United Kingdom, (8)Space and Technology Centre, Curtin University, Perth, WA, Australia