Sentences with phrase «for microfossil»

And in the current work, Flannery's collaborator Dolores Piperno of the Smithsonian Tropical Research Institute in Panama looked for microfossil evidence of teosinte at Guilá Naquitz.

Twisted stalks were then observed using microscopic and spectroscopic techniques, 1) to determine whether structures are preserved and 2) to characterize their mineral and organic composition and 3) to provide spectroscopic signatures that could be useful for microfossil search in the rock record.

«As a summer project, I had asked Megan to search through samples for microfossils so we could use them for geochemistry... She did not have great luck, so I dumped the material on a tray for a final look before giving up on it.

«You've got your work cut out if you're looking at the ancient sedimentary rock for microfossils here on Earth — and even more so on Mars,» said the paper's lead author and an associate professor at the University of Kansas, Craig Marshall.

Not exact matches

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.

Stratigraphic records are proving to be useful for learning about the CSZ's past, and microfossils may provide more answers about large ancient earthquakes.

At high spatial resolution, the Apex «microfossils» lack all evidence for coherent, rounded walls.

Before his death Professor Brasier commented: «This research should, at long last, provide a closing chapter for the «Apex microfossil» debate.

For 2 months, they will work day and night in an attempt to go down another kilometer, looking for changes in rock types, cataloging microfossils, and collecting DNA samples (see figure, beloFor 2 months, they will work day and night in an attempt to go down another kilometer, looking for changes in rock types, cataloging microfossils, and collecting DNA samples (see figure, belofor changes in rock types, cataloging microfossils, and collecting DNA samples (see figure, below).

For example, laser microsampling now provides detailed stable - isotope and trace - element data for fluid inclusions, authigenic mineral layers, and microfossiFor example, laser microsampling now provides detailed stable - isotope and trace - element data for fluid inclusions, authigenic mineral layers, and microfossifor fluid inclusions, authigenic mineral layers, and microfossils.