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Murray Formation
The Murray Formation is the name given to a distinctive mudstone geologic formation studied by the Mars Science Laboratory (MSL) Curiosity at the Gale Crater, Mars.
The formation is more than 300 metres (980 ft) thick and is part of the Mount Sharp Group which interfingers with units of the Bradbury Group. The formation is composed mostly of basaltic minerals plus clays, though an intermediate horizon contains tridymite, cristobalite, quartz and opal.
The Murray Formation has five named subunits, the Pahrump Hills Member, Hartmann's Valley Member, Karasburg Member, Sutton Island Member, and Vera Rubin Ridge Member. It unconformably underlies the Stimson formation.
The Murray Formation is the target of multiple compelling hints of ancient Martian microbial life. The region contains veins of boron and "halos" of silica likely formed by groundwater flows late in the crater's geologic history and high levels of manganese oxide suggesting Earth-like oxygen levels early in Mars' history.
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Murray Formation
The Murray Formation is the name given to a distinctive mudstone geologic formation studied by the Mars Science Laboratory (MSL) Curiosity at the Gale Crater, Mars.
The formation is more than 300 metres (980 ft) thick and is part of the Mount Sharp Group which interfingers with units of the Bradbury Group. The formation is composed mostly of basaltic minerals plus clays, though an intermediate horizon contains tridymite, cristobalite, quartz and opal.
The Murray Formation has five named subunits, the Pahrump Hills Member, Hartmann's Valley Member, Karasburg Member, Sutton Island Member, and Vera Rubin Ridge Member. It unconformably underlies the Stimson formation.
The Murray Formation is the target of multiple compelling hints of ancient Martian microbial life. The region contains veins of boron and "halos" of silica likely formed by groundwater flows late in the crater's geologic history and high levels of manganese oxide suggesting Earth-like oxygen levels early in Mars' history.