Mars doesn't have the type of tectonic activity Earth possesses ... which in turn would have been captured in the planet's smectite clay. "At this time in Mars’ history, we think CO2 is ...
Geologists from MIT have identified smectite, a clay mineral with the unique ability to capture and store carbon for millions of years, potentially cooling Earth's climate. Found within seafloor ...
Conceptual models of smectite hydration include planar (flat) clay layers that undergo stepwise expansion as successive monolayers of water molecules fill the interlayer regions. However, X-ray ...