Sentences with phrase «microfossils called»

Marshall and his colleagues proved the concept of testing for vanadium on known microfossils with acknowledged biological origins on Earth — organic microfossils called acritarchs that might not be far from the kinds of traces of life possibly existing on the Red Planet.

The smoking — or in this case, oozing — gun is a layer of siliceous microfossils called diatoms.

Not exact matches

Richard A. Kerr, «Minerals Cooked Up in the Laboratory Call Ancient Microfossils into Question,» Science, Vol.