News tagged with hematite
Atmospheric origin of Martian interior layered deposits: Links to climate change and the global sulfur cycle
(PhysOrg.com) -- Researchers from the Planetary Science Institute (PSI) and NASA Johnson Space Center (JSC) have proposed a new hypothesis to explain a class of enigmatic geologic features on Mars that have ...
Space & Earth / Space Exploration
Mar 28, 2012 |
5 / 5 (1) |
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Deep-sea rocks point to early oxygen on Earth
Red jasper cored from layers 3.46 billion years old suggests that not only did the oceans contain abundant oxygen then, but that the atmosphere was as oxygen rich as it is today, according to geologists.
Space & Earth / Earth Sciences
Mar 24, 2009 |
4.9 / 5 (15) |
1
