Sentences with phrase «of haematite»
This produced an ancient rain of minute, rusty particles to accumulate on ancient ocean floors that is found today as bands of haematite in rock.
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Simandou is a major new, high quality haematite deposit (with a targeted grade of 65 per cent iron) in proximity to the Atlantic Basin and the Middle East.
Shining blue light on the particles caused the haematite cubes to catalyse the breakdown of nearby hydrogen peroxide into water and oxygen.
It is generally agreed that Mars's colour is the result of a black form of iron called magnetite oxidising into the reddish - orange form called haematite.
NASA determined that they are made of an iron - rich mineral called haematite and others pointed out that similar marbles were to be found on Earth.
This is in accordance with the bottom - up modelling of ωo based on the haematite content in desert dust sources (Claquin et al., 1999; Shi et al., 2005).