Sentences with phrase «iron mineral hematite»
And, although the same effect could be had by adding the rusted red iron mineral hematite, which is a poor conductor, the resulting microbial growth was much smaller and slower (and nonexistent when nonconductive aluminum minerals were tried).
https://www.scientificamerican.com/ Not exact matches
Once free - flowing but now firmly cemented together with an iron - bearing mineral called hematite, the sand grains were apparently injected into cracks in ancient granite — some of them as much as 6 meters wide — under high pressure.
Opportunity's mud - brown landing site is especially promising because it contains hematite, an iron - based mineral that can form in the presence of water.
Many of the purple rocks observed by Curiosity in the foreground correspond to areas where the rover also detected the iron - oxide mineral hematite using its Chemical and Mineralogy (CheMin) instrument.