2nd Keck Symposium Volume

The Colorado College (1989)




2nd Table of Contents

The Keck Geology Consortium

Cathy Manduca


The Keck Geology Consortium

William T. Fox, Williams College


The Garden of the Gods and Basal Phanerozoic Nonconformity in and near Colorado Springs, Colorado

Jeffrey B. Noblett, Colorado College; Andew S. Cohen, Colorado College; Eric M. Leonard, Colorado College; Bruce M. Loeffler, Colorado College; Debra A. Gevirtzman, Colorado College



Bahamas Project


San Salvador Island, Bahamas: a Natural Laboratory for the Study of Carbonate Sediments and Rocks-Part II

H. Allen Curran, Smith College; Brain White, Smith College; Roger D.K. Thomas, Franklin and Marshall College


Marine Bioerosion and Community Organization on Carbonate Hard Substrates of San Salvador Island, the Bahamas

Celinda E. M. Brandt, College of Wooster


Paleoecological Significance of Size-Frequency Distributions of Shells of Arcoid Bivalves from Modern Sediments of San Salvador Island, Bahamas

Lorrin Ferdinand, Franklin and Marshall College


Fossil Molluscan Assemblages and Paleodepositional Environments of Quarry "A," San Salvador, Bahamas

Nardos Fessaha, Smith College


Marine Boring of Carbonate Hard Substrates on San Salvador Island, the Bahamas

Terry D. Lahm, the College of Wooster


Patterns of Carbonate Sediment Production and Distribution on Patch Reefs in San Salvador, Bahamas

Elizabeth C. Marrack, Williams College


Lucinid Shell Distributions and their Use in the Recognition of Distinct Tahphofaces, San Salvador Island, Bahamas

Thomas Olszewski, Franklin and Marshall College


Halimeda Species Distribution and Sediment Contribution in Shallow-Water Marine Environments of San Salvador Island, Bahamas

Shannon M. Parsons, Beloit College


Effects of Sea Level Rise on the Diagenesis of Quaternary Carbonate Eolianites of San Salvador Island, Bahamas

Kathleen White, Smith College



Colorado Project


Investigations of the Proterozoic Geology of Central Colorado

Shelby J. Boardman, Colorado College; Reinhard A. Wobus, Williams College


Petrology and Geochemistry of a Proterozoic Metadiorite from Little Cochetopa Creek, Central Colorado

Sarah Gramlich, Colorado College


Proterozoic Metamorphic Conditions of Central Colorado: Pressure and Temperature Constraints from Thermometry and Pelitic Mineral Assemblages

Kimberly A. Hannula, Carleton College


Petrology and Geochemistry of the Ptarmigan Basin Pluton, Chaffee County, Colorado

Karin L. Johnson, Williams College


Xenolths of the Ptarmigan Lake Pluton, Buena Vista, Colorado

Rebecca K. Mellinger, the College of Wooster


A Petrologic and Geochemical Analysis of the Mica Schists of the Ptarmigin Lake Area, Central Colorado

Matthew W. Owens, the College of Wooster


The Geochemistry and Petrology of the Ptarmigan Lake, Colorado

Stephanie E. Pulaski, Franklin and Marshall College


A Geochemical Analysis of Mafic Rocks around Salida, Colorado

Keith S. Schembs, Whitman College


Early to Mid-Proterozoic Volcaniclastic Sediments, Tuffaceous Flows, and Basaltic Komatiite Flows from the Cochtopa Accretionary Terrane, Little Cochetopa Creek, Central Colorado

Margaret W. Staub, Colorado College



Montana Project


Early Paleocene Fluvial Sedimentology, Paleobotany, and Paleomagnetism

Edward S. Belt, Amherst College


A Magnetic Susceptibility Study of the Fort Union Formation, Western Williston Basin, Southeastern Montana

Dan McCarthy, Franklin and Marshall College


Petrographic Analysis of the Tullock Member of the Paleocene Fort Union Formation in the Powder River Basin, Southeastern Montana

Genga T. Nadaraju, the College of Wooster


A Paleomagnetic Study of Clinkers from the Williston Basin, Southeastern Montana

David F. Parse, Jr., Franklin and Marshall College


Regional Correlation of the Carbonaceous Shale and Lignite Coal Deposits, Lower Lebo Member, Fort Union Formation (Paleocene), Southeastern Montana

Susan E.H. Sakimoto, Whitman College


Deposition Environments and Possible Source Areas for the Fort Union Formation, Southeasern Montana

Sharon Stern, Carleton College


A Comparison of Leaf Fossils from Upper Lebo and Lower Tongue River Members of the Fort Union Formation (Paleocene) Near Locate, Southeastern Montana

Valerie Tamm, Amherst College



Massachusetts Project


Delineation of Aquifer Geometries, Connecticut Valley, Massachusetts, Using Geophysical Techniques

H. Robert Burger, Smith College


A Geophysical Study of Water Table Elevations, Great Pond Area, Hatfield, Massachusetts

Robert A. Andrews, the College of Wooster


Shallow Seismic Reflection as Applied to Ground Water Surveys

Rowland Cromwell, Carleton College


An Investigation of Two Seismic Techniques: Refraction and Reflection in the Shallow Subsurface of the Connecticut River Valley, Massachusetts

Lawrence D. Meckel, III, Williams College


Applied Geophysical Study of the Connecticut River Floodplain near Northampton, Massachusetts

Todd M. Reichart, Franklin and Marshall College


The Connecticut Valley Seismic and Resistivity Study

Sis Tiernan, Smith College



Minnesota-Canada Project


Geology of Archaen Rocks, Basswood Lake - Crooked Lake Region, Northern Minnesota - Southern Canada

Henry H. Woodard and Stephen G. Weaver, Beloit College


Petrology and Structure along the Basswood Trace of the Burntside Lake Fault Zone: a Study of Two Faults in Basswood Lake

Stina Booth, Whitman College


The Burntside Lake Fault Zone: a Study of Two Faults in Basswood Lake

Karen Ruth Font, Smith College


Petrographic and Structural Interpretation of Displcement Along the Burntside Lake Fault Zone, Basswood Lake Area, Northern Minnesota

Gerald "Chip" W. Johnson, Beloit College


Petrography and Geochemistry of Metamorphic Rocks Along the Southeast Block, Pipestone Trace, Burtnside Lake Fault Zone, Boundary Waters Canoe Area, Northern Minnesota

Timothy I. Metz, Colorado College


Fracture Analysis of the Pipestone Trace, Boundary Waters Canoe Wilderness Area, Minnesota

Lora Stevens, Pomona College


Aerial Photo Lineament Analysis of a Portion of the Burntside Lake Fault Zone, Boundary Waters Canoe Area Northern Minnesota, and Quetico Provincial Park, Southern Ontario

Charles W. Tremper, Beloit College



Minnesota Project


The Influecne of Lithology on the Color and Quality of Surface Waters along the Northern Minnesota-Ontario Border: a Test of a Hypothesis

Richard C. Stenstrom, Beloit College


Trophic Relationships in Lake Waters of the Northern Minnesota/Southern Canada Boundary Region

Rani M. Arbo, Amhert College


Classic Sediment Elemental Chemistry Determinatio Nusing X-Ray Fluorescence Spectrometry

Cathy Inman, Carleton College


A Comparative Study of Juxtaposed Lake Systems Underlain by Differing Bedrock along the Minnesota-Ontario Border

Eric H. Miller, Amherst College


Chemistry and Organic Productivity in Lakes of the Boundary Waters Canoe Area Wilderness - Quetico Provincial Park, Minnesota - Ontario

Benjamin M. Morris, Williams College


The Lithological Influence Upon Lake Chemistry in the Crooked Lake Region of Northern Minnesota and Southern Ontario

David A. Nemetz, Beloit College


Chemical, Physical and Biological Impacts on Sandpit Lake in the Boundary Waters Canoe Area Wilderness

Sonja Wolter, Carleton College


Vermont Project


Metamorphism in the Chester and Athens Domes, Southeastern Vermont

Paul Karabinos, Williams College


Kinetics of Crystal Size Variation in Regionally Metamorphosed Rocks from Rockways Mills, Vermont

Neena Bashir, Amherst College


Geochemistry and Tectonic Origin of the Barnard and Shaw Amphibiolites, Vermont

Williams Carroll, Colorado College


Metamorphism and Geothermobarometry of High-Alumina Hoosac and Pinney Hollow Formation Schists in He Star Hill Sigmoid, Chester Dome, Vermont

James L. Crowley, Amhest College


Geochemical Characterization of the Acadian Orogeny in the Chester Dome Region, Vermont

Joel Davidow, Amherst College


Compositional Variations in the White Micas of the Bull Hill Augen Gneiss, the Chester and Athens Domes, Vermont

Eileen Heady, Beloit College


The Bull Hill Gneiss: Field, Petrographic and Chemical Characteristics of a Proterozoic Augen Gneiss in Southeastern Vermont

Mark Meagher, Williams College


Polymetamorphism in the Cavendish Outlier, Chester Dome, Vermont

Stephen M. Ritz, Williams College


The Nature of the Albite Porphyroblasts in the Hoosac Schist, Chester Dome, Vermont

Libby Stern, Pomoma College