Dabei entdeckten sie Strukturen von Eisenkarbonatmineralen ( Siderit, FeCO3 ), wie sie tatsächlich in Eisenformationen gefunden wurden.
Insbesondere konnten sie Eisenkarbonat-Strukturen unterscheiden, die entweder durch eine eher geringe Menge an organischen Verbindungen (mikrobielle Biomasse) oder mit einer größeren Menge gebildet wurden.
www.uni-tuebingen.deThey ended up with structures of iron carbonate minerals ( siderite, FeCO3 ), just as they occur in geological iron formations.
In particular, they were able to distinguish iron carbonate structures which had been formed in the presence of a rather small amount of organic compounds (microbial biomass) from those formed in the presence of a larger amount.
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