GEOSCIENCES DEPARTMENT
The academic year witnessed several new
milestones within the Williams Geosciences family. Our Departmental
Administrative Assistant, Patricia Acosta, has completed fifteen
years of service to the Geosciences Department. Since 1985 she has
served under a succession of three departmental heads, and all of
them fully comprehend and appreciate the necessity of having an
experienced and capable person in the main office. Pat was
acknowledged publicly for her service at the start of the program
celebrating thesis presentations on May 15, 2000. Instructor David
DeSimone marked his fifteenth year in our program as well. David has
been a tremendous help to us in the smooth operation of lab sections
in virtually all of our 100-level lab courses. Through the years, he
has taken on many extra duties, such as supervision of thesis
projects and instruction in a climates course. Asst. Professor
Rónadh Cox, who was on a junior-professor leave during the
fall term and a maternity leave during the spring term, became a new
mother in January (see more under her section of the annual report).
Professor Markes Johnson steps down from his duties as Departmental
Chairman at the end of the academic year, after four years of
service. Professor David Dethier will succeed him for a three-year
term of service.
By the end of summer 1999, five incoming
seniors in our department completed field or laboratory studies
entitling them to commence work for formal credit as honors-thesis
students. Rebecca Atkinson ’00 worked with Bud Wobus on a Keck
project in the Mid-Tertiary Bonanza volcanic field of south central
Colorado. Carla Chokel ’00 and Patricia Hines ’00 worked
under the supervision of Rónadh Cox on projects related to
pebble conglomerates from Ireland and Norway, as well as the
tectonics of central Madagascar. Cordelia Ransom ’00 undertook
a study on Pleistocene coral reefs from Baja California Sur, Mexico,
with Markes Johnson. Taylor Schildgen ’00 studied under the
supervision of David Dethier on a project evaluating river terraces
where Boulder Canyon dissects the Colorado Front Range. These
research projects represented the first instance in the history of
the department in which thesis studies were undertaken exclusively by
a group of women students.
Professor Karabinos and his Winter Study class Field Geology of
Hawaii
on the flanks of Mauna Loa.
During the fall term and following Winter
Study Period, our department continued a pedagogical innovation from
the previous two years with the linkage of a tutorial course and a
January travel course. Professor Karabinos offered a new fall 1999
tutorial entitled How Do Mountains Form? (GEOS 255T), which
was tied to a January 2000 WSP course on Hawaii Field Geology
(GEOS 25). He was also the coordinator of the departmental lecture
series, which was designed to complement the theme of mountain
building.
The later part of the fall term brought with
it the usual activities related to national professional meetings.
October 25-28, 1999, three faculty members (Dethier, Karabinos, and
Wobus) gave papers at the annual meeting of the Geological Society of
America in Denver, Colorado. Eight Williams alumni also attended this
conference and presented the results of their active research.
Mid-December saw another dozen alumni present their research at the
fall meeting of the American Geophysical Union in San Francisco,
California, where Professor Wobus acted as the Williams host and
co-authored a presentation with Cathryn Manduca ’80 on the Keck
Geology Consortium. The spring term also was a busy time for the
department as faculty and students prepared for a range of regional
to international conferences. Bud Wobus was the co-author with former
students Jen Newton and Eric Klemetti ’99 on presentations
regarding their work on Vinalhaven Island in Maine made at the March
13-15 Northeastern Sectional Meeting of the Geological Society of
America held in New Brunswick, New Jersey. Wobus and two of his
advisees participated in the thirteenth annual Keck Research
Symposium in Geology held April 14-15 at Whitman College in Walla
Walla, Washington, where Rebecca Atkinson ’00 reported on the
Bonanza Volcanic Field project and Anne Hereford ’01 offered a
poster presentation on the results of her geochemical project in
Lancaster County, Pennsylvania. Professor Dethier presented a paper
at the Cordilleran Sectional Meeting of the Geological Society of
America held April 27-29 in Vancouver, British Columbia. Professor
Johnson and Cordelia Ransom ’00 presented papers at the Fifth
International Meeting on Geology of the Baja California Peninsula
held April 27-29 in Loreto, Baja California Sur, Mexico. Student
participation in the various meetings was partially supported by the
McAleenan and Labaree funds in the Geosciences Department and by the
Keck Geology Consortium.
Several students will begin fieldwork this
summer in readiness for the senior honors program in 2000-2001.
Stephen DeOreo ’01 will accompany Rónadh Cox for work on
the Precambrian of Madagascar under her NSF grant. They will be
joined by Carla Chokel ’00, who recently completed her honors
thesis. Carissa Carter ’01 and Marlene Duffy ’01 will
participate in a Keck project on active glaciers in Alaska and will
be visited by their advisors, David Dethier and David DeSimone. Anne
Hereford ’01 will participate with Paul Karabinos in another
Keck project on vstructural geology in Idaho. William Ouimet ’01
is studying sediment transport along Birch Brook (Hopkins Memorial
Forest) advised by David Dethier. In addition, Sarah Barger ’02
will participate in the Keck junior project “Geomorphology and
Watershed Studies of the Cannon River and Its Tributaries” in
Minnesota this July, Walter Chen ’02 has been awarded a full
scholarship to take part in the SAGE program (Summer of Applied
Geophysical Experience) in Los Alamos, New Mexico, and Kristen Lee ’01
will participate in an NSF-sponsored REU program on “Interdisciplinary
Ecosystem Research” in Plattsburgh, New York, over the
summer.
As in past years, the Yellowstone-Bighorn
Research Association’s summer field camp at Red Lodge, Montana
- operated by the University of Pennsylvania - is in demand as a
training center for Williams geology students learning field methods.
Two incoming seniors, Anne Hereford ’01 and Kristen Lee ’01,
will attend one of two summer sessions in 2000. Both were awarded
partial scholarships from the David Major Fund in support of this
activity.
Over the commencement weekend, Rebecca
Atkinson ’00, Patricia Hines ’00, Cordelia Ransom ’00,
and Taylor Schildgen ’00 were inducted into Sigma Xi, the
Scientific Research Society.
The department is proud to announce that
several departmental alumni are preparing to enter graduate school in
the geosciences in the fall term 2000. Stephanie Kampf ’98 will
go to the University of Nevada in Reno to study hydrology at the
Desert Research Institute, and Kate Wearn ’98 will matriculate
at the University of Oregon to study volcanology. Catherine Riihimaki
’98 completed her first year of graduate studies at the
University of California, Santa Cruz, studying glacial geomorphology
under a NSF Fellowship. Martin Wong ’99 will go to the
University of California in Santa Barbara to study structural
geology, and Erik Klemetti ’99 will attend Oregon State
University to study volcanology.
Class of 1960 Scholars in Geosciences
Rebecca K. Atkinson
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Patricia G. Hines
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Carla B. Chokel
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Taylor F. Schildgen
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Research Associate Gudveig Baarli was a
co-investigator with Professor Markes Johnson on a grant awarded by
the National Geographic Society for their summer 1999 field project
on “Late Silurian Rocky Shores of North China (Inner Mongolia).”
She was the organizer of a walking tour through part of the Hardanger
Vidda in east-central Norway, Aug. 10-13, 1999, as a fitting finale
to the “Williams Alumni in Norway” program held at Voss,
Norway, from August 2-10, 1999. In January 2000, Gudveig taught a
Winter Study course on dinosaurs entitled The Lost World.
Rónadh Cox spent much of last summer
in Ireland, based at Trinity College in Dublin, and also worked with
Patty Hines ’00 and Carla Chokel ’00 in the field in both
Norway and western Ireland. Rónadh was on academic leave in
the fall semester but spent most of the time at Williams where she
supervised Patty and Carla’s thesis research in addition to
working on her own research projects. Rónadh also paid a visit
to Stanford University to collect U-Pb data on the SHRIMP as part of
NSF-funded research into the Precambrian geology of Madagascar.
In January, Rónadh gave birth to a
baby boy, Owen. This special Winter Study project kept his parents
busy and out of the office for most of January. Owen is a lot of fun
and is a big favorite with everyone in the department. He is growing
like a weed and will soon be wielding a hammer and a compass and
helping Mark and Rónadh in the field.
Rónadh recently received a grant of
$30,000 from the Petroleum Research Fund of the American Chemical
Society for research into the origin of quartz pebble conglomerates.
The grant proposal was based on work begun by Ethan Gutmann ’99
for his senior honors thesis, and the project was continued this year
by Patty Hines ’00. The grant will fund student research for
the next two years.
In August the Gondwana Field Group 2000,
consisting of Rónadh, research assistant Carla Chokel ’00,
and thesis student Steve DeOreo ’01, will leave for a month’s
fieldwork in Madagascar, funded by the National Science Foundation.
Using satellite imagery and other remote sensing techniques, Carla
studied the tectonics of Precambrian metasediments in central
Madagascar for her senior honors thesis. This summer’s
fieldwork will build on her analysis and test the hypotheses that she
constructed, in an attempt to better understand the orogenic events
that caused major deformation in this area about 600 million years
ago. The data and samples that we collect will form the basis for
Steve’s thesis in 2000-2001. More information about this and
other ongoing projects can be found on Rónadh’s home
page at
http://madmonster.williams.edu/rcox.html
.
During January 2000, Dave DeSimone taught
The Winter Landscape, an exploration of the natural and
cultural history of the Adirondack Mountains in upstate New York.
Landforms of glacial and post-glacial origin, recent and historical
rock/debris slides, and ecological succession in fire ravaged,
logged, and uncut areas were topics of discussion. A week’s
stay at the ADK Loj provided a base for snowshoe and crampon hikes to
several summits in the High Peaks Region. Evenings were spent around
the Loj fireplace contemplating the day’s activities and
planning the next hike. Dave shall offer this course again in
2001.
DeSimone and colleagues Hank Art and Jay
Thoman extensively revised their ENVI 102 course, Introduction to
Environmental Science. Intensive study of a parcel in the Hopkins
Memorial Forest was divided into three weeks before spring break and
three weeks after the break. New elements of the course included a
week spent studying the Pittsfield PCB contamination issue with site
visits and discussions with the parties involved in the cleanup.
Another week was spent considering sewage disposal options and
included visits to the Darrow School and a return visit to the Hoosic
Water Quality District’s secondary treatment facility. DeSimone’s
consulting work on the contaminated North Adams Brown Street facility
provided an opportunity to bring applied hydrology into the
classroom.
Our Changing Weather & Climate is
a new course to be offered by DeSimone in the autumn 2000 term. It
will be a remix of his old Climates through Time course and
the department’s older Weather & Climate course.
Professionally, DeSimone continues his
consulting activities and has again contracted with the State of
Vermont to prepare surficial geologic and hydrogeologic maps of the
Arlington 1:24000 quadrangle during 2000-2001. There were sufficient
funds to hire Alan Baldivieso ’01 to assist in the project.
Alan may turn his efforts into an independent project or honors
thesis.
DeSimone will visit two students, Carissa
Carter ’01 and Marlene Duffy ’01, on their Keck glacial
project during July 2000 in Juneau, Alaska. Both students will
follow-up their summer research and pursue honors theses with both
DeSimone and Dethier sharing advising duties. It is hoped that this
shared advising will give both students the best assistance in their
research.
David Dethier returned to teaching after
spending his sabbatical leave working with the Middle Rio Grande
Basin Project of the U. S. Geological Survey. He continued his
USGS-supported field studies of late Cenozoic deposits and climate
change along the Rio Grande in northern New Mexico, focusing along
the Rio Grande near Cochiti Lake. He initiated a study of fluvial
incision rates across the western USA using the 640,000 year-old Lava
Creek B volcanic ash bed and presented talks about this work at the
University of Wyoming in May 1999 and at the Geological Society of
America (GSA) Meeting in Denver in October 1999. Dethier also
continued research concerned with the climatic, sea-level, and
isostatic processes that resulted in rapid retreat of continental ice
from the northern Puget lowland of Washington about 13,000 years ago.
Dethier presented a talk summarizing some of the Puget lowland work
at the Geological Society of America (GSA) Cordilleran Section
Meeting in Vancouver in May 2000.
Dethier continued his long-term studies in
Hopkins Memorial Forest, helping to coordinate ongoing collection of
weather, streamflow, precipitation chemistry and other environmental
data from the Forest and their analysis in the Bronfman Science
Center.
Dethier worked with Taylor Schildgen ’00
and Paul Bierman ’85 (University of Vermont) on a study of the
Pleistocene evolution of Boulder Canyon, one of a series of steep
canyons that drain the Front Range in Colorado. The study, Taylor
Schildgen’s senior honors thesis, represents the first
successful application of surface-exposure (cosmogenic) dating
techniques to the geomorphic history of the Front Range.
From June 29 to July 20, Professor Markes
Johnson and Research Associate Gudveig Baarli undertook fieldwork in
northern China in cooperation with Dr. Rong Jia-yu (Nanjing Institute
of Geology and Palaeontology). Their work was funded by the National
Geographic Society under the project title “Late Silurian Rocky
Shores of North China (Inner Mongolia).” The success of the
project surpassed all expectations. As of June 2000, their initial
scientific report was accepted for publication in the Chinese Science
Bulletin under the title “Continental Island from the Upper
Silurian (Ludlow) Sino-Korean Plate.” The highlight of the
expedition was discovery of a diverse 420-million-year-old fauna of
rocky-shore fossils near Bater Obo. Prior to leaving Beijing for
fieldwork in Inner Mongolia, Professor Johnson was invited to visit
the gravesite of A.W. Grabau, an American stratigrapher and
paleontologist who taught the earliest university courses in those
subjects in China from 1920 until 1938. Johnson, who has published on
the professional career of Grabau, laid flowers at the gravesite in a
ceremony on the campus of the University of Beijing.
After a brief respite in Williamstown,
Markes and Gudveig traveled to Voss, Norway, where they hosted a
group of forty-one Williams College alumni, spouses, and friends of
the College participating in the “Williams Alumni in Norway”
program from August 2-10, 1999. After the official conclusion of the
program, twelve brave souls joined Gudveig and Markes on a four-day
walking tour through a part of the Hardanger Vidda or east-central
plateau of Norway, Aug. 10-13, 1999.
In August and September 1999, Professor
Johnson served as the chair of a search committee seeking to hire a
geologist specializing in Devonian stratigraphy at the New York State
Museum in Albany, NY. He continued service to the Museum in December
and January as a member of another search committee seeking to hire a
geologist specializing in Ordovician and Silurian stratigraphy.
Professor Johnson delivered the first Geosciences faculty seminar of
the season on Sept. 22 with a talk on “Silurian Bater Island on
the Grasslands of Inner Mongolia.” An update on the North-China
project was offered on April 11 as a Bronfman lunch talk entitled “Ancient
Shorelines of Inner Mongolia.” Professor Johnson attended the
Fifth International Meeting on Geology of the Baja California
Peninsula May 27-29, 2000, in Loreto, Baja California Sur (Mexico),
where he gave a paper co-authored with Research Associate David
Backus entitled “Transtensional Tectonics Linked to Pliocene
Geology of El Coloradito Fault Zone at Punta El Mangle, Baja
California Sur.” He also was responsible for part of the
post-conference field trip on April 30 and May 1, and was the author
of a guidebook article entitled “Miocene-Pleistocene Geology of
the Punta Chivato Region.” During the academic year, a research
paper on Pleistocene rocky-shore zonation was published in the
journal Palaios, and a new research grant was awarded from the
Petroleum Research Fund (American Chemical Society) for work on “Pliocene
Coastal Sedimentation and Tectonics on the Gulf of California: Cerro
Mencenares Region.” Professor Johnson has completed eight years
of service as Chairman of the Subcommission on Silurian Stratigraphy
under the International Commission on Stratigraphy. He will hand the
gavel to his successor at the biennial field meeting of the SSS in
Orange, New South Wales, Australia, in July 2000.
During the summer of 1999, Paul Karabinos
continued his investigation of the origin of graphite in rocks in the
Taconic thrust belt of western Massachusetts and southern Vermont.
Using stable C isotopes, he is testing the hypothesis that graphite
precipitated from fluids channeled along fault zones rather than from
in-situ low-grade metamorphism of organic material. He also worked in
the Chester dome region of southern Vermont to search for evidence of
low-angle normal faulting and extension during the Acadian orogeny.
Karabinos has started a web page project that will allow users to
search for field trips originally run during the New England
Intercollegiate Geologic Conference, which is held annually each
fall. This would allow secondary school teachers to find interesting
localities to show their students throughout New England.
In September 1999 and March 2000, Karabinos
traveled to Washington, D.C., to serve as a member of the Tectonics
panel of the Earth Sciences Division of the National Science
Foundation. This is the beginning of a three-year term.
Karabinos attended the Geological Society of
America Annual Meeting in Denver, Colorado, in October 1999, where he
presented a talk entitled “Evidence for Low-Angle Normal
Faulting in the Acadian Orogen: Is the Chester Dome a Core Complex in
Vermont?” On June 1, 2000, he gave a presentation entitled “Grenvillian
Basement in the Green Mountain Massif, Vermont” at Colgate
University in a symposium honoring the retirement of James
McLelland.
During the fall semester of 1999, Karabinos
taught a new tutorial called How Do Mountains Form? This
tutorial was a prerequisite for a Winter Study travel course to
Hawaii during January 2000. Ten students from Williams College and
Karabinos were joined by Professor Richard Hazlett and two students
from Pomona College. Perhaps the highlight of the trip was being able
to walk on rocks less than one week old!
Adjunct Assistant Professor Jim McKenna
worked with Josh Goldstein ’00 during the summer of 1999
investigating primary productivity responses to short term
meteorological and tidal pulsing in the Mystic River estuary. This
study examined both spatial and temporal changes in phytoplankton
abundance along the estuarine gradient and whether these changes were
related to physical/chemical environmental variability associated
with storm events and spring-neap tidal cycles. This work forms the
subject of Josh's senior thesis.
During the summer, Jim also began work with
colleagues from the University of Rhode Island on a two-year
NSF-funded project examining nitrogen and carbon cycling in coastal
aquifers. They are measuring nitrogen and organic carbon delivery to
coastal estuarine systems in Rhode Island and Massachusetts via
groundwater and determining whether particular geomorphic and/or
landscape settings along the coastal fringe influence this
groundwater N and C delivery. The first year of this project is
examining ambient conditions, and in summer 2000 and over the
following year they will be employing 15N dosing and
tracer studies to complement the ambient studies.
In the fall, Jim went to sea again as Chief
Scientist with the Fall ’99 Williams-Mystic group aboard the
SSV Corwith Cramer. Their cruise track started in Woods Hole, MA, and
ended in Rockland, ME, covering a total of about 600 miles. During
the ten day voyage they examined the oceanography of the Gulf of
Maine by measuring a variety of parameters including water column
temperature, salinity, dissolved oxygen, and nutrient profiles;
chlorophyll a concentrations; zooplankton abundance; sediment grain
size; bottom bathymetry. The major objective was to compare regions
in the Gulf of Maine and examine the connections between depth, water
column stratification, and the biology and geology of the
regions.
Jim also served this year as a member on the
Connecticut Sea Grant State Wide Program Review Panel. This panel was
responsible for advising the CT Sea Grant program on selection of
grant recipients for its 2000-2001 Omnibus funding cycle.
During his thirty-fourth year of teaching at
Williams, Professor R.A. (Bud) Wobus gave invited talks at national
meetings of both the Geological Society of America (GSA) and the
American Geophysical Union (AGU). At GSA in Denver in October he
spoke on “Undergraduate Research – The Consortium
Approach” and was co-author of another paper presented by Diane
Smith of Trinity University: “Petrogenesis of the Pikes Peak
Batholith, Colorado.” At AGU in San Francisco in December he
and one of his former students, Cathy Manduca ’80, co-presented
“Working Together...Sustainable Collaboration in the Keck
Geology Consortium,” the organization Manduca has directed from
her office at Carleton College the past six years. Entering his
fourteenth year as Williams representative to the governing board of
the Keck Consortium, Wobus attended the two board meetings in the
fall and spring, helped to obtain matching funds for a $460,000 grant
to the Consortium from NSF, served as a member of the student
selection group for the coming year’s research projects, and
recruited the four Williams students who will begin Keck projects
this summer. With his two Keck advisees from the current year, he
attended the 13th Keck Research Symposium at Whitman
College, Walla Walla, WA, in mid-April, where Rebecca Atkinson ’00
spoke on “Petrogenesis and Correlation of the Mid-Tertiary
Upper Bonanza Tuff, South-Central Colorado” and Anne Hereford ’01
presented a poster (with Read Porter of Amherst), “Geochemistry
of Surface Sediments, Baker Woodlands, Lancaster, PA.”
In March he and his two advisees from one of
the previous year’s Keck projects in coastal Maine presented
posters at the Northeastern Section meeting of the GSA in New
Brunswick, NJ. Erik Klemetti ’99 presented “The
Vinalhaven “Diabase” – Volcanic Hybrid in the
Coastal Maine Magmatic Province,” and Jen Newton was senior
author of “Felsic Volcanic and Volcaniclastic Rocks of
Vinalhaven Island, Maine.”
During the past academic year, several
journal articles were published based on a previous Keck Consortium
research project Wobus co-directed in Colorado. With Rachel Beane ’93
(now teaching at Bowdoin), he co-authored “Petrogenesis of the
Sugarloaf Syanite, Pikes Peak Batholith, Colorado” in Rocky
Mountain Geology, and the same journal also published a survey
paper by all three project directors and Dan Unruh of the USGS
entitled “A Review of the Pikes Peak Batholith, Central
Colorado: A Type Example of A-Type Granitic Magmatism.” Those
four authors and eight student co-authors, including Rachel Beane ’93,
had a comprehensive paper published by Precambrian Research in
December, “Petrology and Geochemistry of Late-Stage Intrusions
of the A-Type Mid-Proterozoic Pikes Peak Batholith, Colorado:
Implications for Petrogenetic Models.”
Last summer he directed, for the seventeenth
time, the “Alumni College in the Rockies” in central
Colorado, led a weekend workshop for the Florissant Fossil Beds
National Monument, and visited his honors student, Rebecca Atkinson,
at the site of her Keck research project near the Bonanza caldera in
south-central Colorado. He also organized a field meeting on
Vinalhaven Island, Maine, to plan for future study of the wonderfully
preserved Silurian metavolcanic rocks there; attending were Professor
Rachel Beane (Bowdoin) with one of her students, Professor Sheila
Seaman (Univ. of Massachusetts), Jen Newton and Erik Klemetti ’99,
and Kate Wearn ’98. Another Keck project is now scheduled to
continue the work at Vinalhaven in the summer of 2001. During the
coming summer, Wobus will lead forty-five alumni on a two-week trip
through seven national parks of the West, from Yellowstone to Grand
Canyon. As a prelude to this trip, he invited alumni participants to
audit his Winter Study course this past January entitled
Geology
of the National Parks.
GEOSCIENCES COLLOQUIA
Dr. Richard Allmendinger, Geological Sciences
Department, Cornell University
Sperry Lecture Series in the Geosciences
“Mountain Building in the Central
Andes”
“Deformation Rates and What They Mean: A Case Study from the
Precordillera, Argentina Andes”
Dr. Peter Lipman, U.S. Geological Survey
“Growth and Decline of Hawaiian
Volcanoes as Seen from Underwater: Pillow Basalts, Beach Sands and
Giant Submarine landslides”
Dr. Douglas Burbank, Geosciences Department,
Pennsylvania State University
“Intracontinental Mountain Building in
Central Asia: The View from the Tien Shan”
Dr. Eric Small ’93, New Mexico
Institute of Mining and Technology
“What Can We Learn from Surface
Observations, Remote Sensing, and Models?”
Dr. Paul Bierman ’85, Geology
Department, University of Vermont
“Clear Cuts and Big Storms –Landscape
History in Vermont”
Dr. Rachel Beane ’93, Geology
Department, Bowdoin College
“Implications of High and
Ultrahigh-Pressure Metamorphism, with Examples from Russia and
Kazakhstan”
Dr. Michelle Markley, Geology and Geography
Department, Mt. Holyoke College
“Fault Slips, Matchsticks and Mountain
Building in South Island, New Zealand”
Dr. Juliet Crider, Geology Department, Bryn
Mawr College
“The Mechanics of Normal Faults:
Secrets Told by California Volcanoes, Oregon Earthquakes, and the
Colorado River”
GEOSCIENCES FACULTY SEMINARS
Markes Johnson
“Silurian Bater Island on the
Grasslands of Inner Mongolia”
Paul Karabinos
“Extension in Western New England
during the Acadian Orogeny: Is the Chester Dome a Core Complex?”
David Dethier
“Chronology and Divergent Flow
Directions during Latest Pleistocene Ice Retreat, Northern Puget
Lowland, Washington”
SENIOR HONORS THESIS PRESENTATIONS
Rebecca Atkinson ’00
“Petrogenesis and Correlation of the
Mid-Tertiary Upper Bonanza Tuff, Southern Central Colorado”
Carla Chokel ’00
“Geochronology, Structure, and
Tectonics of the Itremo Group, Central Madagascar”
Patricia Hines ’00
“Petrological and Mathematical
Analysis of Polymict Conglomerates”
Cordelia Ransom ’00
“Paleoecology of Upper Pleistocene
Coral Reefs Based on Morphology and Fossil Assemblages, Baja
California Sur, Mexico”
Taylor Schildgen ’00
“Fire and Ice: The Geomorphic History
of Middle Boulder Creek as Determined by Isotopic Dating Techniques,
Colorado Front Range”
OFF-CAMPUS COLLOQUIA
Rónadh Cox
“Figuring Out Pre-Gondwana
Paleogeography and Tectonics in the Proterozoic of Central Madagascar”
Department of Geology, University College Dublin, Ireland
Markes Johnson
“Rocky Coasts in Geological Time”
Geology Department, University of Beijing
“Professor A.W. Grabau: View from a
Foreign Geologist”
Geology Department, University of Beijing
“Paleoislands”
Williams-Mystic Program in Mystic, Connecticut
Paul Karabinos
“Grenvillian Basement in the Green
Mountain Massif, Vermont”
Colgate University
POSTGRADUATE PLANS OF GEOSCIENCES MAJORS
David S. Adams
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Travel for a year then medical
school
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Matthew B. Art
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Unknown
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Rebecca K. Atkinson
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Outdoor earth science education in
Colorado
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Tegan E. Cheslack-Postava
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Unknown
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Carla B. Chokel
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Travel to Europe, summer research in
Madagascar
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Sawyer B. Haig
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Intern at Hawaiian Volcano
Observatory-Mauna Loa Mapping Project
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Patricia G. Hines
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Investment Associate, Putnam
Investments; graduate school Environmental Engineering
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Shannon M. Mark
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Unknown
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Cordelia R. Ransom
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Summer: teaching marine and
environmental education aboard the schooner Adventuress.
Fall: Environmental consulting
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Taylor F. Schildgen
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Univ. of Edinburgh, Scotland - M.Sc. in
Geographical Information Science
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Andrew F. Sutton
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Environmental Consulting in Boston,
MA
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