Ice cores and microbes
 
brentcores2.jpg (764206 bytes)
Drilling for firn samples with a sipre core on the Ross Ice Shelf, Antarctica.
Guliya295core.jpg (586834 bytes)
Core from Guliya (China) at 295 meters below the surface.  This sample is dated at over half a million years old.
DirtyKili.jpg (323308 bytes)
Ice from Kilimanjaro (Tanzania) containing a large number of macroscopically visible particulates.
Sampler.jpg (1325264 bytes)
Device used to obtain clean samples from the interior of ice cores.
 
SamplerCoreMelt.jpg (302031 bytes)
Sample head removed after ice core melting.
LiTracyLab.jpg (526599 bytes)
Class 100 clean room used for sampling of ice core materials.
GuliyaPlateBugs.jpg (240230 bytes)
Bacteria cultured from an ice core originating from Guliya, China.
VostokStars.jpg (234284 bytes)
SEM image of an unusual morphotype in filtered melt water from Lake Vostok accretion ice.

GuliyaPollen.jpg (904642 bytes)
Pollen grain from 200 year-old ice from Guliya, China.
SB20kDiatom.jpg (899536 bytes)
Diatom from 20,000 year old ice from Sajama, Bolivia.
SB20kRod.jpg (816419 bytes)
Rod from 20,000 year- old ice from Sajama, Bolivia.
TDcoccus.jpg (900356 bytes)
Coccus from 1,800 year-old ice from Taylor, Dome (Antarctica).


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