Analog Sites
Lussatite opal (blue) with organic matter inclusions in a paleosol
Dallet – Puy de Dôme – France
Relevance to past Mars environments: limited
Relevance to Mars hydrated silica mineralogy : good
Relevance to silica – organic matter interactions: strong
Quincy – Cher – France
Relevance to past Mars environments: fair
Relevance to Mars hydrated silica mineralogy : unknown
Relevance to silica – organic matter interactions: strong