Tag Archives: hematite

Curiosity finds an orbital hematite match

Reddish rock powder from the first hole drilled into a Martian mountain [Confidence Hills] by NASA’s Curiosity rover has yielded the mission’s first confirmation of a mineral mapped from orbit. “This connects us with the mineral identifications from orbit, which … Continue reading

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Could Mars gypsum preserve microbes?

Sulfate minerals, such as calcium sulfates (gypsum), are common in areas on Mars, having been documented with data from satellites, landers, and rovers.¬†Could these minerals also preserve the remains of ancient life, ask Kathleen Counter Benison and Francis Karmanocky III … Continue reading

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Hematite ridge: site for Curiosity rover to explore ancient habitability?

A low ridge running along the foot of Mt. Sharp will likely become a prime target for Curiosity, the Mars Science Laboratory rover as it approaches the mound. The reason, outlined in a recent paper in Geology by Abigail Fraeman … Continue reading

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“Blueberries” could date when Meridiani rocks were last wet

The relative amount of three chemical elements contained in Martian “blueberries” might offer scientists a way to date when these spherules were last inundated with water, according to recent research. Rich in the iron mineral hematite, blueberries are small concretions, … Continue reading

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Mars in the Mojave?

Where do you go to order up some Mars on Earth? Several places, actually, such as the Atacama Desert in Peru (which is very dry), the Dry Valleys of Antarctica (dry and cold), and Houghton Island in Canada’s high arctic … Continue reading

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