2007 The College of Wooster

TABLE OF CONTENTS

Dedication

Dr. Lori Bettison-Varga, Director

William T. Fox

GEOLOGY OF THE HANGAY NURUU, CENTRAL MONGOLIA
Brennan Jordan 2

PETROLOGIC CONSTRAINTS ON THE SOURCES OF GRANITES FROM THE HANGAY MOUNTAINS, CENTRAL MONGOLIA
Rachel Landman 10

GENESIS AND EVOLUTION OF TERTIARY LAVAS OF THE CENTRAL HANGAY MOUNTAINS, MONGOLIA
Brian Kastl and Jake Tiekle 14

PETROGENESIS OF QUATERNARY BASALTS IN SOUTHERN HANGAY MOUNTAINS, CENTRAL MONGOLIA: MANTLE SOURCE AND MAGMATIC EVOLUTION
Angela Ekstrand 25

TIMING AND MOVEMENT OF THE EGIIN DAVAA FAULT, HANGAY MOUNTAINS, MONGOLIA
Emily Parker and Juliana Williams 30

GLACATIONS OF THE DAVAATIIN REGION
Brian Coggan 39

RELATIVE AGE DATING OF MORAINES AND DETERMINATION OFMAXIMUM ICE COVER IN THE EGIIN DAVAA AREA, HANGAY MOUNTAINS, MONGOLIA
Adam Pearson 44

PALSA FIELDS AND CRYOPLANATION TERRACES, HANGAY NURUU, CENTRAL MONGOLIA
Emilee Skyles 49

TREE-RING RECORDS OF LATE HOLOCENE CLIMATE CHANGE IN THE HANGAY MOUNTAINS, MONGOLIA
Laurel Stratton 54

GEOPHYSICAL INVESTIGATIONS OF SHIP ROCK AND THUMB IGNEOUS CENTERS, NEW MEXICO
Charly Bank 62

USING GRAVITY FOR SUBSURFACE IMAGING AT SHIP ROCK, NEW MEXICO
Sarina Yospin and Brett Mayhew 67

MAGNETIC MODELING OF THE SUBSURFACE STRUCTURE OF SHIP ROCK, NEW MEXICO
Andisheh Beiki 71

USING MICROGRAVITY AND MICROMAGNETIC SURVEYS TO DETERMINE SUBSURFACE STRUCTURE OF EN ECHELON DIKE SEGEMENTS IN THE NORTHEAST DIKE OF SHIP ROCK, NEW MEXICO
Carolyn Tewksbury 77

MAGMA FLOW DIRECTION OF THE SHIP ROCK RADIAL DIKE SWARM, NEW MEXICO
Denise Hardman 82

MAGNETIC EXPLORATION AND MODELING OF THE THUMB IGNEOUS CENTER, NEW MEXICO
Jonathan Rotzien 88

Coastal Maine 95

CONSTRUCTION OF THE SUBVOLCANIC VINALHAVEN INTRUSIVE COMPLEX
David Hawkins 96

MICROGRANITOID ENCLAVES IN THE VINALHAVEN INTRUSIVE COMPLEX
Alice Colman 101

MACRORYTHMIC GABBRO TO GRANITE CYCLES OF CLAM COVE VINALHAVEN INTRUSION, MAINE
Nick Cuba 107

MAFIC MICROGRANULAR ENCLAVES IN A COARSE GRAINED GRANITE, VINALHAVEN ISLAND, MAINE: EVIDENCE FOR SILICIC MAGMA CHAMBER EVOLUTION
William Guenthner 112

PETROGENESIS OF A SERIES OF MAFIC SHEETS WITHIN THE VINALHAVEN PLUTON, VINALHAVEN ISLAND, MAINE
Daniel Hawkins 118

GROWTH HISTORY OF ZIRCON CRYSTALS IN COARSEGRAINED GRANITE, VINALHAVEN INTRUSION, COASTAL MAINE
Matthew Hoffman 124

FIELD AND MICROSTRUCTURAL ANALYSIS OF A DIKE SWARM AND A DEFORMED COMPOSITE DIKE IN THE VINALHAVEN INTRUSIVE COMPLEX, MAINE
Owen McKenna 130

Puerto Rico 136

THE HYDRODYNAMICS AND BIOGEOCHEMISTRY OF BIOLUMINESCENT BAYS, VIEQUES, PUERTO RICO
Suzanne O'Connell 137

STABLE ISOTOPE ANALYSIS OF SEDIMENTARY ORGANIC MATTER FROM BIOLUMINESCENT BAYS IN VIEQUES, PUERTO RICO, AS AN INDICATOR OF POSSIBLE LINK BETWEEN MANGROVES AND DINOFLAGELLATE ABUNDANCESUGGEST A LINK BETWEEN MANGROVE DECAY AND BIOLUMINESCENCE
Caitlyn Florentine 143

THE CONCENTRATION AND DISTRIBUTION OF BIOLUMINESCENT DINOFLAGELLATES IN VIEQUES, PUERTO RICO
Sara Gasparich 149

THE RESIDENCE TIME OF SEAWATER IN THREE BAYS OF VIEQUES, PUERTO RICO
Anda Greeney 155

PYRODINIUM BAHAMENSE VAR. BAHAMENSE CYSTS AS A DINOFLAGELLATE POPULATION AND DEPOSITION PROXY IN PUERTO MOSQUITO, VIEQUES, PUERTO RICO
Kelly Hereid 160

DIATOMS AS ENVIRONMENTAL INDICATORS:A CASE STUDY IN THE BIOLUMINESCENT BAYS OF VIEQUES, PUERTO RICO
Jenna Hunter 167

THE PROGRESSION OF SEDIMENTOLOGICAL FACIES AND THEIR CONTROL OF BIOGEOCHEMICAL CYCLING IN THE BIOLUMINESCENT BAYS OF VIEQUES, PUERTO RICO
Andrew Nelson 173

PORE WATER CHEMISTRY, MICROBIAL PROCESSES, AND TRACE METAL MOBILITY OF BIOLUMINESCENT BAYS
Hilary Palevsky 180

OSTRACODES AS PROXIES FOR PALEOSALINITY IN BAYS OF VIEQUES, PUERTO RICO
Laura Robertson 187

A GIS ANALYSIS OF THREE BIOLUMINESCENT BAYS, VIEQUES, PUERTO RICO
Erin Tainer 192

Maine 199

WATER RESOURCES ON VINALHAVEN, MAINE
Andy de Wet 200

SALTWATER INTRUSION IN A FRACTURED GRANITE AQUIFER
Andrew Lorenz 206

STRUCTURAL CONTROLS ON ISLAND AQUIFERS AND COASTAL SALT WATER INTRUSION, VINALHAVEN, MAINE
Nathan Pritchard 212

WATER RESOURCES OF PART OF THE WEST COAST OF VINALHAVEN ISLAND, PENOBSCOT BAY, ME
Sam Tuttle 218

Nova Scotia 224

NOVA SCOTIA: EVOLUTION OF A CONTINENTAL MARGIN
Hilary Sanders Lackey 225

NORTHERN APPALACHIAN ACCRETION OF AVALONIA: EVIDENCE FROM CHEMOSTRATIGRAPHY AND K/AR DATING OF ILLITIZATION IN THE SILURIAN ARISAIG GROUP, NOVA SCOTIA
Blair Burgreen 232

PALEOECOLOGIC AND TAPHONOMIC CONTROLS ON THE BRYOZOAN-RICH FAUNA OF THE LOWER MOYDART FORMATION (SILURIAN), ARISAIG, NOVA SCOTIA
Abigail D'Ambrosia 236

THE VIABILITY OF THE OSTRACODE VELATOMORPHA
Andrew Gonyo 240

GARNET XENOCRYST INTERACTION WITH THE SOUTH MOUNTAIN BATHOLITH, NOVA SCOTIA
Sarah Hale 245

AN OXYGEN ISOTOPE STUDY ON THE ORIGINS OF GARNET IN THE PERALUMINOUS SOUTH MOUNTAIN BATHOLITH, NOVA SCOTIA
Jessica Hark 249

PETROGENESIS OF ENCLAVES WITHIN THE PEGGY'S COVE MONZOGRANITE, SOUTHERN NOVA SCOTIA, CANADA
Hina Imitiaz 255

THE CONTAMINATION HISTORY OF THE BOOT LAKE GRANODIORITE, NOVA SCOTIA
Brian Mumaw 262

DETERMINING THE MAGMATIC EVOLUTION AND DEGREES OF CONTAMINATION IN PEGGY'S COVE MONZOGRANITE, HALIFAX PLUTON, NOVA SCOTIA
Kendra Murray 269

THE SIGNIFICANCE OF SULFATES AND SULFIDES IN SILURIAN BENTONITES AT ARISAIG, NOVA SCOTIA
Emily Seider 277

THE PALEOECOLOGY OF TENTACULITIDS FROM THE SILURIAN ARISAIG GROUP, NOVA SCOTIA, CANADA
Jacalyn Wittmer 283