Principal Investigator:Lenz, Alfred C. Licensed Year(s):1994
1993
19921991199019891988 Summary:
As part of a long-term study, the researcher will continue to collect fossil specimens of graptolites in rocks collected from northern Cornwallis Island and central Ellesmere Island. The researcher is investigating why some species became extinct over 415 million years ago while other species went through rapid changes....
Principal Investigator:Melchin, Michael J. Licensed Year(s):
1992
199119901988 Summary:
The researcher will study the distribution of graptolite and what it reveals about the timing of geologic events and ancient geographic distributions. Study will also be continued on the geographic and ecological distribution of particular graptolite species between the deeper-water sediments of the Hazen Formation and the shallower-water strata of the Cape Phillips Formation....
Principal Investigator:Lenz, Alfred C. Licensed Year(s):
1979
Summary:
To collect samples of graptolites and other fossils to better understand the geologic history of these regions....