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April 12, 2001
Sp82
Contact: Sarah Maxwell
Director of Media Relations
507.646.4184
Written by Jill Golden '04
Carleton College Students to Present Research at GSA Meetings
Northfield, Minn.- Carleton College geology
majors Jonathan Eaton, Hilary Gittings, Isaac Larsen and Anna
Moyles will present research at annual branch meetings of the
Geological Society of America (GSA) this month.
Seniors Jonathan Eaton, of Cincinnati, Ohio, and Anna Moyles,
of Berkeley, Calif., will discuss their research at the joint
meeting of the Rocky Mountain and South-Central Sections of the
GSA and the Rocky Mountain Section of the Paleontological Society
of America held in Albuquerque, N.M. from April 30-May 2.
Moyles will speak on crystal patterns in granite. Her research
was conducted on a particular granite pattern in Colorado and
dealt with ascertaining the tectonic environment during the time
of the granite formation. Eaton will speak on radiometric dating
that he conducted on samples collected near Salida, Colo. One
of the aims of Eaton's research was to examine the time period
of the formation of the continental plates, which now form the
larger North American plate.
Senior Isaac Larsen, of Clear Lake, Iowa, will travel to Illinois
to present his research at the North-Central Section meeting
of the GSA, which will be held April 23-24. Over 600 geoscientists
are expected to attend. Larsen examined the subglacial hydrologic
system of the Matanuska Glacier in Alaska. After drilling holes
in debris-rich ice at the base of the glacier, Larsen monitored
the water pressure in each hole and found that water under the
glacier moved through a system of channels u
On April 5-6, junior Hilary Gittings, of State
College, Pa., presented her research at the Southeastern Section
of the GSA in Raleigh, N.C., hosted by North Carolina State University.
Gittings examined the geochemistry of basalts, or lavas, in the
Appalachian Mountains. She used the data from her experiments
to determine the origin of the basalt.
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