Mt. Holyhoke College, South Hadley, MA, April 2014

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


Short Contributions–Obsidian Provenance Project

MAGNETIC AND GEOCHEMICAL CHARACTERIZATION OF GEOREFERENCED OBSIDIAN SAMPLES FROM FOUR SOURCE AREAS IN NEW MEXICO
ROB STERNBERG, Franklin & Marshall College, M. STEVEN SHACKLEY, Geoarchaeological XRF Laboratory, Albuquerque, NM, JOSHUA M. FEINBERG, Institute for Rock Magnetism, University of Minnesota, ANASTASIA STEFFEN, Valles Caldera Trust, and Dept. of Anthropology, University of New Mexico

OBSIDIAN ARTIFACT PROVENANCE STUDY OF THE PIEDRAS MARCADAS PUEBLO, ALBUQUERQUE, NEW MEXICO
ALEXANDRA FREEMAN, The Colorado College
Research Advisor: Christian M. Schrader, The Colorado College

MAGNETIC PROPERTIES OF CERRO TOLEDO OBSIDIAN
ANDREW GREGOVICH, Colorado College
Research Advisors:  Christian M. Schroder, Colorado College and Joshua M. Feinberg, University of Minnesota

 GEOCHEMICAL CHARACTERIZATION OF THE MULE CREEK OBSIDIAN, NEW MEXICO
CAROLINE HACKETT, Smith College
Research Advisor:  Mark Brandriss

MAGNETIC CHARACTERISTICS OF OBSIDIANS IN MULE CREEK, NM
MICHAEL BABATUNDE HARRISON, California State University, Chico
Research Advisor: Todd J. Greene

BASIC PALEOMAGNETIC PROPERTIES OF OBSIDIAN FROM THE MOUNT TAYLOR REGION OF NEW MEXICO
MICHAELA KIM,  Mount Holyoke College
Research Advisor:  Michelle Markley

HYSTERESIS AND LOW-TEMPERATURE MAGNETIC PROPERTIES OF MOUNT TAYLOR OBSIDIAN
ZACH OSBORNE, St. Norbert College
Research Advisor: Joshua M.  Feinberg, University of Minnesota – IRM

EFFECTS OF WILDFIRE ON FLOAT OBSIDIAN CLASTS FROM THE VALLES CALDERA, NEW MEXICO
AUDRIANNA  POLLEN, Occidental College
Research Advisor: Dr. Scott Bogue

INTRA AND INTER-SOURCE MAGNETIC PROVENANCING OF MULE CREEK REGIONAL SOURCE OBSIDIAN
MARGO REGIER, Beloit College
Research Advisors: James Rougvie, Beloit College and Joshua M. Feinberg, University of Minnesota

 GEOCHEMICAL VARIABILITY OF OBSIDIAN IN WESTERN NEW MEXICO WITH LABORATORY-BASED PXRF
KAREN ROTH,Washington and Lee University
Research Advisor: Jeffrey Rahl


Short Contributions–Chugach, Alaska Project

STUDIES IN RESURRECTION BAY AND BARANOF ISLAND AIMED AT UNDERSTANDING THE TECTONIC EVOLUTION OF THE CHUGACH-PRINCE WILLIAM TERRANE, ALASKA
Faculty: JOHN I. GARVER, Union College, CAMERON DAVIDSON, Carleton College

DETRITAL ZIRCON U/PB AGES OF THE PALEOCENE ORCA GROUP AND UPPER CRETACEOUS VALDEZ GROUP, RESURRECTION BAY, ALASKA
BRIAN K. FRETT, Carleton College
Research Advisor: Cameron Davidson

EXHUMATION OF THE BARANOF SCHIST, ALASKA DETERMINED THROUGH DETRITAL ZIRCON FISSION TRACK DATING
KATE KAMINSKI, Union College
Research Advisor: John I. Garver

U/PB DATING OF DETRITAL ZIRCONS, BARANOF ISLAND, SE ALASKA
BRIANNA J. RICK, Carleton College
Research Advisor: Cameron Davidson, [John Garver, Union College]

THERMAL EVOLUTION OF THE SITKA GRAYWACKE, BARANOF ISLAND, ALASKA, REVEALED THROUGH ZIRCON FISSION TRACK DATING
MEGHAN PAIGE RIEHL, Union College
Research Advisor: John I. Garver

OXYGEN AND HAFNIUM ISOTOPE GEOCHEMISTRY OF ZIRCON, QUARTZ, AND GARNET FROM THE CRAWFISH INLET AND KRESTOF PLUTONS, BARANOF ISLAND, ALASKA
CLAUDIA I. ROIG, University of Puerto Rico, Mayagüez Campus
Research Advisor: Dr. Aaron J. Cavosie

 PETROGRAPHY AND GEOCHEMISTRY OF THE CRAWFISH INLET AND KRESTOF ISLAND PLUTONS, BARANOF ISLAND, ALASKA
ADRIAN A. WACKETT, Trinity University
Research Advisor: Diane R. Smith


Short Contributions–Extreme Weather Response Project

EVALUATING EXTREME WEATHER RESPONSE IN THE CONNECTICUT RIVER FLOODPLAIN ENVIRONMENT
Faculty: ROBERT NEWTON, Smith College, JON WOODRUFF, University of Massachusetts, ANNA MARTINI, Amherst College, BRIAN YELLEN, University of Massachusetts

EXTREME PRECIPITATION AND EROSION IN UPLAND WATERSHEDS: A CASE STUDY FROM SHERMAN RESERVOIR, MA
LUCY ANDREWS, Macalester College
Research Advisors: Kelly MacGregor and Brian Yellen

IDENTIFYING STORM DEPOSITS IN A DRY FLOOD CONTROL RESERVOIR IN WESTERN MASSACHUSETTS, USA
AMY DELBECQ, Beloit College
Research Advisor: Susan Swanson

SEDIMENTATION BEHIND CONWAY ELECTRIC DAM, SOUTH RIVER, WESTERN MASSACHUSETTS
SAMANTHA DOW, University of Connecticut
Research Advisor: William Ouimet

A CASE STUDY OF STORM DEPOSITION IN LITTLEVILLE LAKE, HUNTINGTON, MA
CATHERINE DUNN, Oberlin College
Research Advisor: Amanda Schmidt

DELTA PROGRADATION IN A FLOOD CONTROL RESERVOIR: A CASE STUDY FROM LITTLEVILLE LAKE, HUNTINGTON, MA
RACHEL JOHNSON, Carleton College
Research Advisor: Mary Savina

IMPACTS OF EXTREME PRECIPITATION ON SEDIMENT YIELDS FOR POST GLACIAL UPLANDS OF THE NORTHEAST
WESLEY JOHNSON, University of Massachusetts Amherst
Research Advisor: Jon Woodruff

DISCERNING EXTREME WEATHER EVENTS IN THE CONNECTICUT RIVER SYSTEM THROUGH THE STUDY OF SEDIMENTS IN UPLAND DAMS AND FLOOD CONTROL RESERVOIRS OF WESTERN MASSACHUSETTS AND SOUTHWESTERN VERMONT
SCOTT KUGEL, The College Of Wooster
Research Advisors: Dr. Mark Wilson and Dr. Meagen Pollock

GEOCHEMICAL AND MICROFOSSIL RECORD OF MASS HEMLOCK DECLINES IN THE SEDIMENT OF BARTON’S COVE, WESTERN MASSACHUSSETS: IMPLICATIONS OF HEMLOCK DIE OFF TODAY
AIDA OROZCO, Amherst College
Research Advisor: Anna M. Martini

CLAY MINERALOGY FINGERPRINTING OF SEDIMENTS DEPOSITED FROM TROPICAL STORM IRENE IN THE CONNECTICUT RIVER WATERSHED
JULIA SEIDENSTEIN, Lafayette College
Research Advisor: Dru Germanoski


Short Contributions– Geobiology of Dolomite FormationProject

A GEOBIOLOGICAL APPROACH TO UNDERSTANDING DOLOMITE FORMATION AT DEEP SPRINGS LAKE, CA
Faculty: DAVID S. JONES, Amherst College, JASON M. TOR, Hampshire College

MICROBIAL COMMUNITY ANALYSIS OF DEEP SPRINGS LAKE, CA: EXPLORING THE ROLE OF AEROBIC BIOFILMS IN BIOGENIC DOLOMITE PRECIPITATION
KYRA BRISSON, Hampshire College
Research Advisor: Jason M. Tor

GEOCHEMICAL EVOLUTION OF BRINES CONSTRAINED BY NAHCOLITE CONCRETIONS OF DEEP SPRINGS LAKE, CA
K.S. METCALFE, Pomona College
Research Advisors: David Jones and Robert Gaines

 IMPLICATIONS OF SULFATE REDUCTION ON DOLOMITE FORMATION AT DEEP SPRINGS LAKE, CALIFORNIA
MICHELLE PARADIS, Williams College
Research Advisor: Dr. Phoebe A. Cohen

MAGNESIUM ISOTOPE RECORDS ASSOCIATED WITH DOLOMITE FORMATION IN A MODERN LAKE
CECILIA PESSOA, Amherst College
Research Advisor: David S. Jones

GEOCHEMISTRY OF PORE WATERS, SPRINGS, AND SEDIMENTS AT DEEP SPRINGS LAKE, CA: IMPLICATIONS FOR DOLOMITE FORMATION
HANNAH PLON, Wesleyan University
Research Advisor: Timothy Ku

EXPLORING MEDIATION OF DOLOMITE PRECIPITATION USING STABLE CARBON AND OXYGEN ISOTOPES, DEEP SPRINGS LAKE, CA
KERRY R. STREIFF, Whitman College
Research Advisor: Kirsten Nicolaysen


Short Contributions– GIS of Water-Level Change Project

POTENTIAL EFFECTS OF WATER-LEVEL CHANGES ON ISLAND ECOSYSTEMS: A GIS SPATIOTEMPORAL ANALYSIS OF SHORELINE CONFIGURATION
Faculty: KIM DIVER, Wesleyan University

GIS APPROACH TO WATER-LEVEL CHANGE: POTENTIAL EFFECTS OF WATER-LEVEL CHANGES ON ISLAND ECOSYSTEMS
RYAN EDGLEY, California State Polytechnic University, Pomona, CA
Research Advisor: Kim Diver

DECLINING WATER LEVEL IN LAKE MICHIGAN-HURON AND THE EFFECT ON ISLANDS IN THE MASSASAUGA PROVINCIAL PARK, ONTARIO
EMILIE SINKLER,Wesleyan University
Research Advisor: Kim Diver


Short Contributions–  Martian Pāhoehoe Lava Project

LAVA ON MARS AND THE EARTH: A COMPARATIVE STUDY OF INFLATED AND DISRUPTED FLOWS
Faculty: ANDREW DE WET, Franklin & Marshall College
CHRIS HAMILTON, University of Maryland and NASA-GSFC, JAKE BLEACHER, NASA-GSFC, BRENT GARRY, NASA-GSFC

CHARACTERIZATION OF DEPRESSIONS IN THE MCCARTYS FLOW COMPARED TO DEPRESSIONS IN ELYSIUM REGION ON MARS
SUSAN KONKOL, University of Nevada, Reno
Research Advisor: W. Patrick Arnott

BASALT PLATEAU ESCARPMENT CRACK PATTERNS-FIELD, GIS & ANALOG MODELING OF THE MCCARTYS FLOW AND IMPLICATIONS FOR MARS
JESSICA MCHALE, Mount Holyoke College
Research Advisor: Michelle Markley

CHANNEL BIFURCATION AND SHATTER RING FEATURES ASSOCIATED WITH THE TWIN CRATERS LAVA FLOW, ZUNI-BANDERA VOLCANIC FIELD, NM: INSIGHTS INTO SIMILAR FEATURES ON MARS
RYAN C. SAMUELS, Franklin & Marshall College
Research Advisor: Andrew de Wet

VERTICAL VARIATIONS WITHIN THE MCCARTYS FLOW: A PETROGRAPHIC AND GEOCHEMICAL ANALYSIS
MEGAN SWITZER, Colgate University
Research Advisor: Karen Harpp

THE INFLUENCE OF TOPOGRAPHIC OBSTACLES ON BASALTIC LAVA FLOW MORPHOLOGIES
HESTER VON MEERSCHEIDT, Boise State University
Research Advisor: Dr. Brittany D. Brand

ANALYSIS OF CRACK SYSTEMS WITHIN THE MCCARTYS LAVA FLOW WITH POSSIBLE APPLICATIONS TO MARS
CHARLES WISE, Vassar College


Short Contributions–Earthquake Geomorphology, Costa Rica Project

THE GEOMORPHIC FOOTPRINT OF MEGATHRUST EARTHQUAKES: MORPHOTECTONICS OF THE 2012 MW 7.6 NICOYA EARTHQUAKE, COSTA RICA
Faculty: JEFF MARSHALL, Cal Poly Pomona, TOM GARDNER, Trinity University, MARINO PROTTI, Universidad Nacional de Costa Rica. SHAWN MORRISH, Cal Poly Pomona

ACTIVATION OF A SECONDARY OBLIQUE SLIP FAULT FOLLOWING THE MW=7.6 SEPTEMBER 5, 2012, NICOYA, COSTA RICA, EARTHQUAKE
RICHARD ALFARO-DIAZ, University of Texas at El Paso
Research Advisors: Terry Pavlis and Aaron Velasco

EARTHQUAKE RELOCATION AND FOCAL MECHANISM ANALYSIS IN THE AREA OF RUPTURE FOLLOWING THE MW=7.6 NICOYA EARTHQUAKE, COSTA RICA
GREGORY BRENN, Union College
Research Advisor: Dr. Matthew Manon

MODELING COSEISMIC SLIP OF THE 2012 NICOYA PENINSULA EARTHQUAKE, COSTA RICA: ROLES OF MEGATHRUST GEOMETRY AND SURFACE DISPLACEMENT
PAULA BURGI, Smith College
Research Advisor: Jack Loveless

HOLOCENE BEACHROCK FORMATION ON THE NICOYA PENINSULA, PACIFIC COAST, COSTA RICA
CLAYTON FREIMUTH, Trinity University
Research Advisor: Thomas Gardner

ANALYSIS OF AFTERSHOCKS FOLLOWING THE SEPTEMBER 5, 2012 NICOYA, COSTA RICA MW 7.6 EARTHQUAKE
SHANNON FASOLA, St. Norbert College
Research Advisor: Nelson Ham

COASTAL UPLIFT AND MORTALITY OF INTERTIDAL ORGANISMS FROM A MAGNITUDE 7.6 EARTHQUAKE, NICOYA PENINSULA, COSTA RICA
CLAIRE MARTINI, Whitman College
Research Advisors: Kevin Pogue and Bob Carson

ASSESSMENT OF CURRENT RADIOMETRIC DATING TECHNIQUES OF BEACHROCK ON THE NICOYA PENINSULA, COSTA RICA
ELIZABETH OLSON, Washington and Lee University
Research Advisor: David Harbor

RELATIONSHIP BETWEEN BEACH MORPHOLOGY AND COSEISMIC COASTAL UPLIFT, NICOYA PENINSULA, COSTA RICA
CAROLYN PRESCOTT, Macalester College
Research Advisor: Kelly MacGregor

STRATIGRAPHIC ARCHITECTURE OF AN ANOMALOUS HOLOCENE BEACHROCK OUTCROP, PLAYA GARZA, NICOYA PENINSULA, COSTA RICA
DUSTIN STEWART, Cal Poly Pomona
Research Advisor: Jeff Marshall

PREMONITORY SEISMICITY BEFORE THE SEPTEMBER 5, 2012, MW 7.6 NICOYA EARTHQUAKE, COSTA RICA: RELATIONSHIP WITH MAINSHOCK RUPTURE AND AFTERSHOCK ZONE
ANTHONY MURILLO GUTIÉRREZ, Universidad Nacional de Costa Rica (UNA)
Research Advisor: Marino Protti


Short Contributions–Climate Change, Svalbard, Norway Project

HOLOCENE AND MODERN CLIMATE CHANGE IN THE HIGH ARCTIC, SVALBARD, NORWAY
Faculty: AL WERNER, Mount Holyoke College, MIKE RETELLE, Bates College STEVE ROOF, Hampshire College

 A PALEOCLIMATE RECONSTRUCTION OF LAKE LINNÉ, SVALBARD, NORWAY
JOHANNA EIDMANN,Williams College
Research Advisor: Mea Cook

INTERPRETATION OF SEDIMENTATION EVENTS DURING THE 2012/13 SEASON IN A PROGLACIAL LAKE, LAKE LINNÉ, SVALBARD
DANA REUTER, Mount Holyoke College
Research Advisor: Alan Werner

INVESTIGATIONS INTO ABRUPT AND LARGE SCALE LAKE LEVEL FLUCTUATIONS IN AN ARCTIC KARST LAKE, KONGRESSVATNET, KAPP LINNÉ, SVALBARD
NATASHA D. SIMPSON, Pitzer College
Research Advisor: Robert Gaines

 ANALYSIS OF 2012-2013 SEDIMENT TRAPS IN LINNÉDALEN, SPITSBERGEN: IMPLICATIONS FOR VARVE FORMATION AND PALEOCLIMATE INTERPRETATION
JOSH SOLOMON, Colgate University
Research Advisor: Bruce Selleck