Pomona College, Claremont, CA, April 2013

Proceedings of the Twenty-Sixth Annual Keck Research Symposium in Geology

Table of Contents_2013


Short Contributions–South-Central Alaska Project

TECTONIC EVOLUTION OF THE CHUGACH-PRINCE WILLIAM TERRANE: SHUMAGIN ISLANDS AND KENAI PENINSULA, ALASKA
Faculty: JOHN GARVER, Union College, CAMERON DAVIDSON, Carleton College

THERMAL EVOLUTION AND PROVENANCE REVEALED THROUGH DETRITAL ZIRCON FISSION TRACK DATING OF THE UPPER CRETACEOUS SHUMAGIN FORMATION, NAGAI ISLAND, ALASKA
MICHAEL JAMES DELUCA, Union College
Research Advisor: J.I. Garver

ALONG-STRIKE VARIATION OF U/PB AND HF ISOTOPE COMPOSITIONS IN THE CHUGACH-PRINCE WILLIAM TERRANE, SOUTHERN ALASKA
NICK ROBERTS, Carleton College
Research Advisor: Cam Davidson

DETRITAL ZIRCON AGES AND PROVENANCE OF COVER STRATA TO THE PALEOCENE RESURRECTION PENINSULA OPHIOLITE IN SEWARD, ALASKA
ROSE PETTIETTE, Washington and Lee University
Research Advisor: Jeffrey Rahl

AGE AND PETROGENESIS OF THE SHUMAGIN BATHOLITH IN WESTERN CHUGACH-PRINCE WILLIAM TERRANE, ALASKA
ALEXANDER K. SHORT, University of Minnesota Morris
Research Advisor: James F. Cotter

DETRITAL ZIRCON U/Pb AGE DETERMINATION: UNDERSTANDING THE PROVENANCE OF THE LATE-CRETACEOUS SHUMAGIN FORMATION, ALASKA
CARLY ROE, Lawrence University
Research Advisor: Marcia Bjornerud


Short Contributions–Northeast Oregon Project

LAVAS AND INTERBEDS OF THE POWDER RIVER VOLCANIC FIELD, NORTHEASTERN OREGON
Faculty: NICHOLAS BADER & KIRSTEN NICOLAYSEN, Whitman College.

A PALEOMAGNETIC RECONAISSANCE STUDY OF THE POWDER RIVER VOLCANIC FIELD
REBECCA L. RODD, University of California, Davis
Research Advisor: Kenneth L. Verosub

GEOCHEMICAL CLIMOFUNCTIONS REVEAL A WARM TEMPERATE, HUMID, CLIMATE IN NORTHEAST OREGON TOWARDS THE END OF THE MIDDLE MIOCENE CLIMATIC OPTIMUM
RICARDO LOPEZ-MALDONADO, University of Idaho
Research Advisors: Karen Harpp, Dennis Geist

GEOCHEMISTRY AND GEOTHERMOMETRY OF MID MIOCENE TO PLIOCENE ALKALIC ROCKS OF THE POWDER RIVER VOLCANIC FIELD
JOHNNY RAY HINOJOSA, Williams College
Research Advisor: Reinhard A. Wobus

CLAY MINERAL ANALYSIS AND PALEOCLIMATE INTERPRETATION OF A MIDDLE MIOCENE PALEOSOL, POWDER RIVER VOLCANIC FIELD NORTHEAST OREGON
ANNA MUDD, The College of Wooster
Research Advisor: Dr. Meagen Pollock

OLIVINE BASALT: EARLIEST LAVAS OF THE POWDER RIVER VOLCANIC FIELD, NORTHEASTERN OREGON
LUKE FERGUSON, Pomona College
Research Advisors: Kirsten Nicolaysen and Jade Star Lackey

MINERALOGY AND GEOCHEMISTRY OF BASANITE ERUPTED FROM THE POWDER RIVER VOLCANIC FIELD, NORTHEASTERN OREGON
MICHAEL BAEZ , California State University, Fullerton
Research Advisor: Brandon Browne

THE VOLCANIC SEDIMENTS OF LOOKING GLASS CREEK
MICHELE EVERTZ, Whitman College
Research Advisor: Nick Bader


Short Contributions–Bivalve Geochemistry Project

BIOGEOCHEMICAL CARBON CYCLING IN FLUVIAL SYSTEMS FROM BIVALVE SHELL GEOCHEMISTRY – USING THE MODERN TO UNDERSTAND THE PAST
Faculty: DAVID GILLIKIN, Union College, DAVID GOODWIN, Denison University.

RECONSTRUCTING INTRA-ANNUAL GROWTH PATTERNS OF LAMPSILIS CARDIUM USING STABLE ISOTOPE GEOCHEMISTRY AND ENVIRONMENTAL PARAMETERS
ROXANNE BANKER, Denison University
Research Advisor: David Goodwin

VITAL EFFECTS ON STABLE CARBON ISOTOPES IN FRESHWATER BIVALVES
MAX I. DAVIDSON, Union College
Research Advisor: David P Gillikin

LINEAR AND LANDMARK-BASED MORPHOMETRIC COMPARISON OF TWO POPULATIONS OF CAMPELOMA, SP. ACROSS THE K-PG BOUNDARY
GARY LINKEVICH, Vassar College
Research Advisor: Stephanie Peek

CARBON ISOTOPE CYCLING: A COMPARISON BETWEEN FOSSIL SHELLS ACROSS THE CRETACEOUS-PALEOGENE BOUNDARY AND TODAY
HANNAH SMITH, Rensselaer Polytechnic Institute
Research Advisor: Miriam Katz

THE LIFE AND AFTERLIFE OF HELL CREEK UNIONIDS
NICOLLETTE BUCKLE, Oberlin College
Research Advisor: Karla Parsons-Hubbard

TRACE ELEMENTS WITHIN THE FRESHWATER BIVALVE LAMPSILIS CARDIUM FROM THE O’SHAUGHNESSY RESERVOIR, OHIO
SCOTT EVANS, SUNY Geneseo Geology Department, 1 College Circle, Geneseo, NY 14454
Research Advisor: Dr. D. J. Over


Short Contributions–Catalina Island Project

METASOMATISM AND THE TECTONICS OF SANTA CATALINA ISLAND: TESTING NEW AND OLD MODELS
Faculty: ZEB PAGE, Oberlin College, EMILY WALSH, Cornell College.

NA SCHIST: INSIGHTS FROM EPIDOTE-BLUESCHIST
MICHAEL D.C. BARTHELMES, Cornell College
Research Advisors: Zeb Page, Emily O. Walsh

THERMOBAROMETRIC MODELING OF THE CATALINA AMPHIBOLITE UNIT: IMPLICATIONS FOR TECTONIC AND METASOMATIC MODELS
HENRY TOWBIN, Oberlin College
Research Advisor: F. Zeb Page

PETROLOGY AND GEOTHERMOMETRY OF GARNET AMPHIBOLITE BLOCKS, SANTA CATALINA ISLAND, CA
ABIGAIL SEYMOUR, Colorado College
Research Advisor: Christine Siddoway

PETROLOGY AND PSEUDOSECTION MODELING OF A GARNET BLUESCHIST BLOCK-IN-MELANGE, SANTA CATALINA ISLAND, CA
MITCHELL AWALT, Macalester College
Research Advisor: Karl Wirth

SANTA CATALINA ISLAND: GARNET QUARTZITE’S FROM THE CATALINA SCHIST IN THE VALLEY OF OLLAS
FREDY AGUIRRE, Franklin and Marshall
Research Advisor: Stanley Mertzman

GEOCHEMICAL EVIDENCE FOR THE ORIGIN OF MINERALOGICAL RINDS SURROUNDING GARNET-AMPHIBOLITE BLOCKS IN A SUBDUCTION ZONE MÉLANGE, CATALINA ISLAND, CALIFORNIA
LAUREN MAGLIOZZI, Smith College
Research Advisor: John B. Brady


Short Contributions— Snake Range, Nevada Project

CRETACEOUS TO MIOCENE EVOLUTION OF THE NORTHERN SNAKE RANGE METAMORPHIC CORE COMPLEX: ASSESSING THE SLIP HISTORY OF THE SNAKE RANGE DECOLLEMENT AND SPATIAL VARIATIONS IN THE TIMING OF FOOTWALL DEFORMATION, METAMORPHISM, AND EXHUMATION
Faculty: MARTIN WONG, Colgate University, PHIL GANS, University of California-Santa Barbara.

GEOCHRONOLOGY AND STRAIN ANALYSIS OF THE JURASSIC PLUTONIC COMPLEX ON THE SOUTHERN FLANK OF THE ORTHERN SNAKE RANGE, NEVADA
EVAN MONROE, University of California, Santa Barbara
Research Advisors: Phillip Gans, Martin Wong

MICROSTRUCTURAL ANALYSIS OF MYLONITIC MARBLE OF THE NORTHERN SNAKE RANGE
CASEY PORTELA, Colgate University
Research Advisor: Martin Wong

INSIGHTS INTO THE TECTONIC EVOLUTION OF THE NORTHERN SNAKE RANGE METAMORPHIC CORE COMPLEX FROM 40AR/39AR THERMOCHRONOLOGIC RESULTS, NORTHERN SNAKE RANGE, NEVADA
JOSEPH WILCH, College of Wooster
Research Advisor: Shelley Judge & Robert Wooster

METAMORPHIC CORE COMPLEX EVOLUTION: VERTICAL STRAIN GRADIENT IN THE NORHTERN SNAKE RANGE DECOLLEMONT
JORY LERBACK, Franklin & Marshall College
Research Advisor: Zeshan Ismat, Martin Wong, Phillip Gans

GEOCHEMISTRY AND GENESIS OF JURASSIC GRANITOIDS FROM THE NORTHERN SNAKE RANGE, NV
WILL BENDER, Whitman College
Research Advisor: Kirsten Nicolaysen

INTRUSIVE AND DEFORMATIONAL HISTORIES OF THE FOOTWALL ROCKS IN THE CENTRAL PART OF THE NORTHERN SNAKE RANGE, NEVADA
MICHAEL KENNEY, University of California-Santa Barbara
Research Advisor:  Phil Gans


Short Contributions— Matanuska, Alaska Project

GEOLOGY, PALEOECOLOGY AND PALEOCLIMATE OF THE PALEOGENE CHICKALOON FORMATION, MATANUSKA VALLEY, ALASKA
Faculty: CHRIS WILLIAMS, Franklin & Marshall College, DAVID SUNDERLIN, Lafayette College.

CLIMATE AND PLANT INTERACTIONS IN AN ANCIENT ALASKAN RAINFOREST
MOLLY REYNOLDS, Franklin and Marshall College
Research Advisor: Christopher Williams

GROWTH RING ANALYSIS OF METASEQUOIA FROM THE NORTHEAST USA AND THE PALEOCENE/EOCENE CHICKALOON FORMATION, ALASKA
JACLYN WHITE, Lafayette College
Research Advisor: David Sunderlin

ZIRCON U-PB GEOCHRONOLOGY FROM THE PALEOCENE-EOCENE CHICKALOON FORMATION
LORELEI CURTIN, Pomona College
Research Advisor: Robert Gaines

EXAMINING THE PALEOENVIRONMENT OF THE CHICKALOON FORMATION, MATANUSKA VALLEY, ALASKA THROUGH CAMPELOMA AND UNIONOIDA FOSSIL ASSEMBLAGES
TYLER SCHUETZ, Carleton College
Research Advisor: Clint Cowan

USING STABLE ISOTOPE GEOCHEMISTRY TO RECONSTRUCT THE PALEOHYDROLOGY AND PALEOCLIMATE OF THE PALEOCENE-EOCENE CHICKALOON FORMATION, ALASKA
BRENNAN O’CONNELL, Colorado College
Research Advisor: Henry Fricke

PROVENANCE ANALYSIS OF MEDIAL BASIN CHANNEL SANDS IN THE CHICKALOON FORMATION, MATANUSKA VALLEY, ALASKA
SHAWN A. MOORE, Smith College, Northampton MA
Research Advisor: Bosiljka Glumac


Short Contributions— Clear Lake, Wisconsin Project

THE ROLE OF GROUNDWATER IN THE FLOODING HISTORY OF CLEAR LAKE, WISCONSIN
Faculty: SUSAN SWANSON, Beloit College, JUSTIN DODD, Northern Illinois University.

SEDIMENTOLOGICAL EVIDENCE OF A PERSISTENT GROUNDWATER-DOMINATED SYSTEM IN DUCK LAKE, WI OVER THE PAST 8000 YEARS
NICHOLAS F. ICKS, Northern Illinois University
Research Advisor: Justin P. Dodd

LAKE BUDGET ANALYSIS TO UNDERSTAND GROUNDWATER FLOODING OF A SEEPAGE LAKE NEAR MILTON, WI
GRACE GRAHAM, Beloit College
Research Advisor: Susan Swanson

RECENT LAND USE AND VEGETATION CHANGES RECORDED BY NITROGEN AND CARBON ISOTOPE VALUES OF LAKE SEDIMENT CORES FROM SOUTHERN WISCONSIN
NOA KARR, Mount Holyoke College
Research Advisor: Al Werner

SEEPAGE CONDITIONS AND WATER BUDGET ANALYSIS OF DUCK LAKE IN MILTON, WISCONSIN
CAROLINE LABRIOLA, Colgate University
Research Advisor: Jeni McDermott

GROUNDWATER FLOW AND DISTRIBUTION OF SUBSURFACE MATERIALS IN THE IMMEDIATE VICINITY OF CLEAR LAKE, WISCONSIN
BARRY CHEW, California State University – San Bernardino
Research Advisor: Erik Melchiorre

THREE DIMENSIONAL ANALYSIS OF THE HYDROSTRATIGRAPHY NEAR CLEAR LAKE, WISCONSIN
H. LEIGH HONOROF, Mount Holyoke College
Research Advisor: Alan Werner


Short Contributions— Ireland Project

PALEOENVIRONMENTAL RECORDS AND EARLY DIAGENESIS OF MARL LAKE SEDIMENTS: A CASE STUDY FROM LOUGH CARRA, WESTERN IRELAND
Faculty: ANNA MARTINI, Amherst College, TIM KU, Wesleyan University.

PORE WATER AND SEDIMENT CARBON ISOTOPE GEOCHEMISTRY OF MARL LAKE SEDIMENTS, LOUGH CARRA, IRELAND
SARAH SHACKLETON, Wesleyan University
Research Advisor: Timothy Ku

LATE HOLOCENE CLIMATE VARIABILITY FROM LOUGH CARRA, COUNTY MAYO, WESTERN IRELAND
LAURA HAYNES, Pomona College
Research Advisor: Dr. Robert Gaines

PHOSPHATE AND TRACE METAL RECORDS FROM AN IRISH MARL LAKE: TRACING ANTHROPOGENIC INFLUENCE OVER SHORT AND LONG TIME SCALES
ALYSSA DONOVAN, Amherst College
Research Advisor: Anna Martini


Short Contributions— Colorado Front Range Project

INTERDISCIPLINARY STUDIES IN THE CRITICAL ZONE, BOULDER CREEK CATCHMENT, FRONT RANGE, COLORADO
Faculty: David Dethier, Williams College, Will Ouimet, U. Connecticut.

GEOCHEMICAL RESPONSE OF TWO ADJACENT ALPINE STREAMS IN GREEN LAKES VALLEY, COLORADO, IN A LOW-SNOW YEAR
CLAUDIA CORONA, Williams College
Research Advisor: Dr. David P. Dethier

HILLSLOPE SEDIMENT ANALYSIS USING FALLOUT RADIONUCLIDES, COLORADO FRONT RANGE
HANNAH MONDRACH, The University of Connecticut
Research Advisor: William Ouimet

ENVIRONMENTAL CONTROLS ON BIOAVAILABLE MANGANESE CONCENTRATIONS IN SOILS OF THE BOULDER CREEK WATERSHED, COLORADO, USA
ANNETTE PATTON, Whitman College Geology Department
Research Advisor: Nicholas Bader

HYDROLOGIC AND GEOMORPHIC IMPACTS OF THE 2010 FOURMILE CANYON FIRE, BOULDER CREEK WATERSHED, CO
BEN PURINTON, Wesleyan University
Research Advisor: Peter Patton

QUANTIFYING THE PHYSICAL CHARACTERISTICS OF WEATHERING USING THIN SECTION ANALYSIS
TIMOTHY BOATENG, Amherst College
Research Advisor: Dr. Peter Crowle

INVESTIGATING LATE PLEISTOCENE AND ANTHROPOCENE FLOOD DEPOSITS ALONG CARIBOU AND NORTH BOULDER CREEK, COLORADO FRONT RANGE
CHRISTOPHER R. HALCSIK, Beloit College
Research Advisor: Sue Swanson

USING GEOPHYSICAL TECHNIQUES IN THE CRITICAL ZONE TO DETERMINE THE PRESENCE OF PERMAFROST
GABRIEL M. LEWIS, Williams College
Research Advisor: David P. Dethier

A COMPARATIVE STUDY OF SNOWMELT-DRIVEN WATER BUDGETS IN TWO ADJACENT ALPINE BASINS, NIWOT RIDGE,COLORADO FRONT RANGE
IAN M. NESBITT, Williams College
Research Advisor: David P. Dethier