DOCSLIB.ORG

A Thesis Entitled the Deglacial Chronology of the Sturgis Moraine

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
A Thesis Entitled the Deglacial Chronology of the Sturgis Moraine A Thesis entitled The Deglacial Chronology of the Sturgis Moraine in South-Central Michigan and Northeast Indiana by Jennifer M. Horton Submitted to the Graduate Faculty as partial fulfillment of the requirements for the Master of Science Degree in Geology _________________________________________ Timothy G. Fisher, PhD., Committee Chair _________________________________________ Richard Becker, PhD., Committee Member _________________________________________ James M. Martin-Hayden PhD., Committee Member _________________________________________ Patricia R. Komuniecki, PhD., Dean College of Graduate Studies The University of Toledo August, 2015 Copyright 2015, Jennifer Marie Horton This document is copyrighted material. Under copyright law, no parts of this document may be reproduced without the expressed permission of the author. An Abstract of The Deglacial Chronology of the Sturgis Moraine in South-Central Michigan and Northeast Indiana by Jennifer M. Horton Submitted to the Graduate Faculty as partial fulfillment of the requirements for the The Master of Science Degree in Geology The University of Toledo August, 2015 Understanding the timing and rate of ice retreat in the Great Lakes Region is critical to understanding any relationship between ice lobes and climate during the Late Wisconsinan time period. The purpose of this study is to constrain the age of the Sturgis Moraine, an end moraine of the Saginaw Lobe in south-central Michigan using minimum-limiting radiocarbon and OSL ages. Previous correlations between till stratigraphy and end moraines suggest that the Sturgis Moraine formed between 15,500 and 16,100 14C yrs BP, but with little direct supporting chronologic data. To date the Sturgis Moraine, Livingstone sediment cores were collected from three scour lakes within tunnel channels at the distal side of the moraine. Scour rather than kettle lakes are chosen to minimize any organic accumulation lag from meltout of buried ice. Basal ages from gravelly sand in these cores are 13,700±60, 13,750±80, and 13,300±60 14C yrs BP. These ages are similar to basal ages from Clear Lake (13,300±300 14C yrs BP), a kettle lake on the distal side of the Valparaiso Moraine of the Lake Michigan Lobe, and the Hyre (13,690±50 14C yrs BP), iii Kenan (13,880±70 14C yrs BP), and Pyles (13,510±160 14C yrs BP) sites from kettle lakes on the distal side of the Fort Wayne Moraine of the Huron Erie Lobe. The minimum- limiting ages for the Sturgis Moraine presented in this study suggest a younger ice margin and smaller Saginaw re-entrant than previously envisioned. OSL dated sand dunes from within an outwash valley distal of the Saginaw Moraine (14.3±0.6 and 14.1±0.5 ka) and from dunes that migrated out of the valley bottom (12.6±0.4, 12.3±0.4, 12.4±0.5 and 12.0±0.4 ka) appear to record two separate aeolian activation periods. These ages agree with other sand dune chronologies from northwest Indiana and northwest Ohio suggesting regional variation in climate at these times. The radiocarbon and OSL ages from this study provide a best limiting minimum age of 13,750 ± 80 14C yrs BP (16,320-16,930 cal yrs BP) for deglaciation at the Sturgis Moraine. iv Acknowledgements I would like to thank the various people who aided with this project: firstly thanks to Mark McDonald and John Dilworth for their assistance in the field and lab, Butch Berger for his mechanical support and my committee members Dr. Jamie Martin-Hayden and Dr. Richard Becker for their guidance throughout this process. I would also like to thank my fellow University of Toledo graduate geology students; this project wouldn’t have been possible without their friendship and good humor. The William A. Kneller Graduate Support Fund, and Dr. Lon Ruedisili Hydrogeology/Environmental Geology Fund made OSL dating possible. OSL dating was processed by Dr. Kenneth Lepper from North Dakota State University. Very special thanks to the Indiana Geologic Survey for providing funding and support for this project. In particular I would like to thank Marni Karaffa and Henry Loope from the Indiana Geological Survey for making this project possible through funding and numerous hours of assistance. I would especially like to thank my advisor Timothy Fisher, for engineering the theme of this thesis and for all he has taught me during my duration at The University of Toledo. v Table of Contents Abstract .............................................................................................................................. iii Acknowledgements ..............................................................................................................v Table of Contents ............................................................................................................... vi List of Tables ................................................................................................................... ix List of Figures ......................................................................................................................x 1 Introduction .........................................................................................................1 1.1 Introduction ........................................................................................................1 1.2 Summery of deglacial events .............................................................................2 1.3 Deglaciation and pro-glacial lake chronology ...................................................5 1.4 Study Area .......................................................................................................21 1.5 Sand dune chronology of Great Lake Region ..................................................23 1.6 Objective and Hypothesis ................................................................................26 2 Methodology…. .....................................................................................................27 2.1 Introduction ......................................................................................................27 2.2 Site selection ....................................................................................................27 2.3 Coring .......................................................................................................28 2.4 Photograph .......................................................................................................29 2.5 Magnetic Susceptibility ...................................................................................29 2.6 Loss-on-Ignition ...............................................................................................30 vi 2.7 Grain Size Analysis..........................................................................................30 2.8 Radiocarbon dating ..........................................................................................30 2.9 Radiocarbon to calendar year conversions ......................................................31 2.10 OSL dating .....................................................................................................32 2.11 Surficial Mapping ..........................................................................................32 3 Results 3.1 Introduction ......................................................................................................34 3.2 Surficial Mapping ............................................................................................35 3.3 Coring Sites ......................................................................................................38 3.4 Core Lithology .................................................................................................41 3.5 Fennel Lake Core .............................................................................................42 3.6 Wall Lake Sediment Core ................................................................................44 3.7 Sweet Lake Sediment Core ..............................................................................46 3.8 Radiocarbon Dates and Interpretations ...........................................................48 3.9 OSL ages .......................................................................................................50 4 Discussion .......................................................................................................53 4.1 Radiocarbon Ages and Implications ................................................................53 4.2 Radiocarbon Ages and Paleoclimate proxies ...................................................59 4.3 Sturgis Moraine and radiocarbon chronology of Great Lakes .........................62 4.4 Sand dune chronology and implications ..........................................................67 5. Summary and Conclusions ....................................................................................69 5.1 Summary .......................................................................................................69 5.2 Conclusion .......................................................................................................71 vii 5.3 Future Work .....................................................................................................71 References .......................................................................................................73 A Loss on Ignition .....................................................................................................82 B Magnetic Susceptibility .........................................................................................89
Load more

Recommended publications
  • Lexicon of Pleistocene Stratigraphic Units of Wisconsin
    Lexicon of Pleistocene Stratigraphic Units of Wisconsin ON ATI RM FO K CREE MILLER 0 20 40 mi Douglas Member 0 50 km Lake ? Crab Member EDITORS C O Kent M. Syverson P P Florence Member E R Lee Clayton F Wildcat A Lake ? L L Member Nashville Member John W. Attig M S r ik be a F m n O r e R e TRADE RIVER M a M A T b David M. Mickelson e I O N FM k Pokegama m a e L r Creek Mbr M n e M b f a e f lv m m i Sy e l M Prairie b C e in Farm r r sk er e o emb lv P Member M i S ill S L rr L e A M Middle F Edgar ER M Inlet HOLY HILL V F Mbr RI Member FM Bakerville MARATHON Liberty Grove M Member FM F r Member e E b m E e PIERCE N M Two Rivers Member FM Keene U re PIERCE A o nm Hersey Member W le FM G Member E Branch River Member Kinnickinnic K H HOLY HILL Member r B Chilton e FM O Kirby Lake b IG Mbr Boundaries Member m L F e L M A Y Formation T s S F r M e H d l Member H a I o V r L i c Explanation o L n M Area of sediment deposited F e m during last part of Wisconsin O b er Glaciation, between about R 35,000 and 11,000 years M A Ozaukee before present.
    [Show full text]
  • Indiana Glaciers.PM6
    How the Ice Age Shaped Indiana Jerry Wilson Published by Wilstar Media, www.wilstar.com Indianapolis, Indiana 1 Previiously published as The Topography of Indiana: Ice Age Legacy, © 1988 by Jerry Wilson. Second Edition Copyright © 2008 by Jerry Wilson ALL RIGHTS RESERVED 2 For Aaron and Shana and In Memory of Donna 3 Introduction During the time that I have been a science teacher I have tried to enlist in my students the desire to understand and the ability to reason. Logical reasoning is the surest way to overcome the unknown. The best aid to reasoning effectively is having the knowledge and an understanding of the things that have previ- ously been determined or discovered by others. Having an understanding of the reasons things are the way they are and how they got that way can help an individual to utilize his or her resources more effectively. I want my students to realize that changes that have taken place on the earth in the past have had an effect on them. Why are some towns in Indiana subject to flooding, whereas others are not? Why are cemeteries built on old beach fronts in Northwest Indiana? Why would it be easier to dig a basement in Valparaiso than in Bloomington? These things are a direct result of the glaciers that advanced southward over Indiana during the last Ice Age. The history of the land upon which we live is fascinating. Why are there large granite boulders nested in some of the fields of northern Indiana since Indiana has no granite bedrock? They are known as glacial erratics, or dropstones, and were formed in Canada or the upper Midwest hundreds of millions of years ago.
    [Show full text]
  • Ground-Water Movement in Auglaize and Mercer Counties, Ohio By
    Ground-water Movement in Auglaize and Mercer Counties, Ohio by Karen S. Gottschalk A senior thesis submitted to fulfill the requirements for the degree of Bachelor of Science in Geology, 1986 The Ohio State University Thesis Advisor Department of Geology and Mineralogy ACKNOWLEDGEMENTS I would like to thank the people who helped me get through this thesis. Thanks to Robert Voisard, Tim and Craig Gottschalk for the many hours they spent helping me measure wells, to Sally Buck for supplying me with her thesis data sheets, to Krista Bailey for the ice cream break, to Jeff Gottschalk and Steve Putman for the use of their computers and printers. Thanks. CONTENTS Introduction ••••••• 1 Study Area Description •• 1 Climate 2 Soi 1 •• 2 Surface Hydrology •• 2 Population Characteristics. 3 General Geology ••• 5 Trenton Limestone 5 Utica Shale ••••• 6 Hudson River Series 6 Clinton Group •••• 7 Niagara Formation. 7 Glacial Geology •• 8 Wabash Moraine. 8 Till Plains 9 Teays River Valley •• 9 Hydrology ••• 12 General Theory. 14 Groundwater Movement. 14 Laidlaw Landfill. 15 Conclusion 16 LIST OF PLATES Plate A - 1: Regional Map of Ohio and Indiana. 18 Plate B - 2a: General Soil Map of Mercer County, Ohio. 20 Plate B - 2b: General Soils Map of Auglaize County (Portion) 21 Plate C - 1: Bedrock Configuration of Teays River Valley Under St. Marys 22 Plate C - 2: Cross-Section from A to A' showing thickness of 1naterd:als in buried valleys . • . 23 Plate D - 1: Map showing location of Laidlaw landfill, Mercer Co. • 24 Study Area Maps: 25 LIST OF TABLES Table B - 1: 19 Well Logs: • 31 INTRODUCTION Study Area Description Auglaize County is located in west-central Ohio <Plate A-1).
    [Show full text]
  • Geology of Michigan and the Great Lakes
    35133_Geo_Michigan_Cover.qxd 11/13/07 10:26 AM Page 1 “The Geology of Michigan and the Great Lakes” is written to augment any introductory earth science, environmental geology, geologic, or geographic course offering, and is designed to introduce students in Michigan and the Great Lakes to important regional geologic concepts and events. Although Michigan’s geologic past spans the Precambrian through the Holocene, much of the rock record, Pennsylvanian through Pliocene, is miss- ing. Glacial events during the Pleistocene removed these rocks. However, these same glacial events left behind a rich legacy of surficial deposits, various landscape features, lakes, and rivers. Michigan is one of the most scenic states in the nation, providing numerous recre- ational opportunities to inhabitants and visitors alike. Geology of the region has also played an important, and often controlling, role in the pattern of settlement and ongoing economic development of the state. Vital resources such as iron ore, copper, gypsum, salt, oil, and gas have greatly contributed to Michigan’s growth and industrial might. Ample supplies of high-quality water support a vibrant population and strong industrial base throughout the Great Lakes region. These water supplies are now becoming increasingly important in light of modern economic growth and population demands. This text introduces the student to the geology of Michigan and the Great Lakes region. It begins with the Precambrian basement terrains as they relate to plate tectonic events. It describes Paleozoic clastic and carbonate rocks, restricted basin salts, and Niagaran pinnacle reefs. Quaternary glacial events and the development of today’s modern landscapes are also discussed.
    [Show full text]
  • Quaternary Geology of the Indiana Portion of the Eastern Extent of The
    Quaternary Geology of the Indiana Portion of the Eastern TODD A. THOMPSON, STATE GEOLOGIST Extent of the South Bend 30- x 60-Minute Quadrangle By José Luis Antinao and Robin F. Rupp Bloomington, Indiana OVERVIEW OF THE GEOLOGY, STRATIGRAPHY, AND MORPHOLOGY 2021 The map area is underlain by unconsolidated deposits of Pleistocene and Holocene age having thicknesses greater than 350 ft north of South Bend, and more than 450 ft -86°7'30" 580000E -86°0'00" -86°15'00" 5 575 northeast of Mishawaka, usually reaching 200 ft elsewhere. All surficial deposits are -86°22'30" 5 5 565 70 -86°30'00" 5 5 55 60 800 45 50 800 mid- to late Wisconsin Episode or younger (<50,000 years ago, or <50 ka), occurring Qma 31 Qas Qac 800 as a minor (<100 ft) cover above a thicker pre-Wisconsin package. A thin, Qml Qwv2 % Dreamwold ? Qwe1 Qwv1 Qwpp1 Heights Qwe1 Qwe1 discontinuous cover of postglacial alluvial, lacustrine, paludal, and aeolian deposits Qwv3 800 800 41°45'00" Qac5 % Qwe1 41°45'00" Qao5 % not exceeding 25 ft caps the glacial sequence. 80 Qwe2 700 800 Qwpp3 Qwe1 Qao5 % 23 Qwpp3 800 Landforms and near-surface deposits reflect the interplay between the Saginaw and I 800 ND % Qao3 I % AN Qao5 Lake Michigan Lobes of the Laurentide Ice Sheet. In the Mishawaka fan upland Qwpp2 A T Granger INDI OL ANA TOLL RD 80 L RD Qwpp2 Qwpp2 Qao4 (Bleuer and Melhorn, 1989) at the center of the map, the morphology is marked by a 31 ? Qac 46 Qml BUS 46 shallow (30–50 ft depth) pre-Wisconsin buried surface, similar to the one present in 20 Qao4 Roseland 800 20 Qao4 800 800 southwestern Elkhart County (Fleming and Karaffa, 2012).
    [Show full text]
  • Behavior of the James Lobe, South Dakota During Termination I
    Behavior of the James Lobe, South Dakota during Termination I A dissertation submitted to the Graduate School of the University of Cincinnati in partial fulfillment of the requirements for the degree of DOCTOR OF PHILOSOPHY in the Department of Geology of the McMicken College of Arts and Sciences by Stephanie L. Heath MSc., University of Maine BSc., University of Maine July 18, 2019 Dissertation Committee: Dr. Thomas V. Lowell Dr. Aaron Diefendorf Dr. Aaron Putnam Dr. Dylan Ward i ABSTRACT The Laurentide Ice Sheet was the largest ice sheet of the last glacial period that terminated in an extensive terrestrial margin. This dissertation aims to assess the possible linkages between the behavior of the southern Laurentide margin and sea surface temperature in the adjacent North Atlantic Ocean. Toward this end, a new chronology for the westernmost lobe of the Southern Laurentide is developed and compared to the existing paradigm of southern Laurentide behavior during the last glacial period. Heath et al., (2018) address the question of whether the terrestrial lobes of the southern Laurentide Ice Sheet margin advanced during periods of decreased sea surface temperature in the North Atlantic. This study establishes the pattern of asynchronous behavior between eastern and western sectors of the southern Laurentide margin and identifies a chronologic gap in the western sector. This is the first comprehensive review of the southern Laurentide margin since Denton and Hughes (1981) and Mickelson and Colgan (2003). The results of Heath et al., (2018) also revealed the lack of chronologic data from the Lobe, South Dakota, the westernmost lobe of the southern Laurentide margin.
    [Show full text]
  • Al Ejti the Ohio State University
    WATE R PROJECT COMPLETION WATER REPORT NO. 396X Concentration and Distribution of WAT E R Selected Trace Elements In The Maumee River Basin, Ohio, ER Indiana and Michigan Wayne A. Pettyjohn Professor Larry R. Hayes ATER Thomas R. Schultz Department of Geology and Minerology Al Ejti The Ohio State University United States Department WAT E R of the Interior CONTRACT NO. f\ A-026-OHIO !?& State of Ohio ER Water Resources Center Ohio State University CONCENTRATION AND DISTRIBUTION OF SELECTED TRACE ELEMENTS IN THE MAUMEE RIVER BASIN, OHIO, INDIANA AND MICHIGAN Wayne A. Pettyjohn Professor Larry R, Hayes Thomas R. Schultz Department of Geology and Minerology The Ohio State University WATER RESOURCES CENTER THE OHIO STATE UNIVERSITY COLUMBUS, OHIO 43210 March, 1974 This study was supported by the Office of Water Resources Research U.S. Department of the Interior under Project A-026-OHIO. Table of Contents INTRODUCTION 2 PURPOSE AND SCOPE 4 PREVIOUS INVESTIGATIONS 4 GENERAL FEATURES OF THE MAUMEE RIVER BASIN II GEOLOGY AND HYDROLOGY OF THE AREA 15 SAMPLE COLLECTION, PREPARATION AND ANALYTICAL TECHNIQUES 29 CONCENTRATION AND DISTRIBUTION OF SELECTED TRACE ELEMENTS 3g IN THE MAUMEE RIVER BASIN Aluminum 40 Arsenic 43 Cadmium 45 Cobalt 46 Chromium 49 Copper • . 51 Mercury 52 Nickel 55 Lead 56 Silver 58 Tin 59 Strontium 61 Zinc 63 TRACE ELEMENTS AND HEALTH SIGNIFICANCE OF SELECTED TRACE ELEMENTS * 65 Aluminum 69 Arsenic ­ 70 Cadmium 72 Cobalt 75 Chromium 76 Copper 79 Lead 79 Mercury 83 Nickel 87 Silver 89 Strontium 90 Tin 92 Zinc 93 SUMMARY AND CONCLUSIONS . 95 BIBLIOGRAPHY 102 APPENDIX I 109 APPENDIX II 149 ABSTRACT During the period August, 1971 to April, 1973, water and stream-bottom sediment samples were collected from 225 sites distributed throughout the Maumee River basin in northwestern Ohio, southeastern Michigan and north­ eastern Indiana.
    [Show full text]
  • PLEISTOCENE STRATIGRAPHIC UNITS of Wisconsin
    MISCELLANEOUS PAPER 84-1 PLEISTOCENE STRATIGRAPHIC UNITS OF WISCONSiN by David M. Mickelson, Lee Clayton, Robert W. Baker, William N. Mode and Allan F. Schneider available from Geological and Natural History Survey University of Wisconsin-Extension 1815 University Avenue Madison, Wisconsin 53705 MISCELLANEOUS PAPER 84-1 PLEISTOCENE STRATIGRAPHIC UNITS OF WISCONSIN by David M. Mickelson, Lee Clayton, Robert W. Baker, William N. Mode and Allan F. Schneider available from Geological and Natural History Survey University of Wisconsin�Extension 1815 University Avenue Madison, Wisconsin 53705 JUL 1984 CONTENTS Acknowledgements ..................... ..............It ................................................It .................. iv Abstract ............................................................................................................................ I Introduction It .. .. ........ .. .... .. ................ .. ........ .. .. .. ........ .. .. .. .. .. .... ........ .. .... .. .. ............ .. ........ I Principles of Lithostratigraphic Classification in Wisconsin •• •••••••• 2 Summary of Lithostratigraphic Units Defined in this Paper ••••••••••••• 5 Units of Probable Pre-Wisconsinan and Early Wisconsinan Age •••••••• 5 Units of Late Wisconsinan Age ............................................................................ 7 References Cited ............................................................................................................ 12 Appendix 1. Walworth Formation .. ................ ......It .... ....It
    [Show full text]
  • Traverse City Environmental Assessment 2012
    Traverse City Environmental Stewardship Assessment 2012 Let Our Resources Work For You. Workforce • Business • Community Acknowledgements The Northwest Michigan Council of Governments would like to thank all of the people who gave their time and resources towards the development of the City of Traverse City’s Environ- mental Stewardship Assessment. Prepared by: PO Box 506 Traverse City, MI 49685-0506 www.nwm.org With funding from: Financial assistance for this project was provided, in part, by the Michigan Coastal Manage- ment Program, Office of the Great Lakes, Department of Environmental Quality, through a grant from the National Oceanic and Atmospheric Administration, U.S. Department of Com- merce. Michigan's Office of the Great Lakes leads policy development and implements programs to protect, restore and sustain our most precious natural resource. The office collaborates with partners to support sustainable use of these coastal resources, coordinate restoration of severely degraded areas, manage water quality and quantity, prevent aquatic invasive species and engage in emerging issues. We are committed to our Great Lakes mission to ensure a healthy environment, strong economy and high quality of life. 2012 Contents Acknowledgements .................................................................................................................................................. i Contents ..................................................................................................................................................................
    [Show full text]
  • A Thesis Entitled the Chronology of Glacial Landforms Near Mongo
    A Thesis entitled The Chronology of Glacial Landforms Near Mongo, Indiana – Evidence for the Early Retreat of the Saginaw Lobe by Thomas R. Valachovics Submitted to the Graduate Faculty as partial fulfillment of the requirements for the Master of Science Degree in Geology ___________________________________________ Timothy G. Fisher, PhD., Committee Chair ___________________________________________ James M. Martin-Hayden, PhD., Committee Member ___________________________________________ Jose Luis Antinao-Rojas, PhD., Committee Member ___________________________________________ Cyndee Gruden, PhD, Dean College of Graduate Studies The University of Toledo August 2019 Copyright 2019 Thomas R. Valachovics This document is copyrighted material. Under copyright law, no parts of this document may be reproduced without the expressed permission of the author. An Abstract of The Chronology of Glacial Landforms Near Mongo, Indiana – Evidence for the Early Retreat of the Saginaw Lobe by Thomas R. Valachovics Submitted to the Graduate Faculty as partial fulfillment of the requirements for the Master of Science Degree in Geology The University of Toledo August 2019 The Saginaw Lobe of the Laurentide Ice Sheet occupied central Michigan and northern Indiana during the last glacial maximum. Evidence exists that the Saginaw Lobe retreated earlier than its neighboring lobes but attempts to constrain this retreat using radiocarbon dating methods has led to conflicting results. Optically stimulated luminescence dating (OSL) offers an alternative methodology to date deglacial deposits. The Pigeon River Meltwater Channel (PRMC) was formed by a large, erosional pulse of meltwater that exited the ice sheet and eroded through the deglaciated landscape previously occupied by the Saginaw Lobe. Sediments that partially fill the PRMC were dated using OSL. Minimum ages for the retreat of the Saginaw Lobe were acquired to test the hypothesis that the Mongo area is ice free by 23 ka.
    [Show full text]
  • Proceedings of the Indiana Academy Of
    The Tinley Moraine in Indiana 1 Allan F. Schneider, Indiana Geological Survey Abstract The Tinley Moraine, which was named in Illinois for a subsidiary ridge behind the main part of the Valparaiso Morainic System, has received little recognition as a discrete moraine in Indiana. Recent mapping sug- gests, however, that ice of the Lake Michigan Lobe probably did recede some unknown distance from its position along the Valparaiso Moraine and then readvanced to form the Tinley Moraine. The Tinley Moraine enters Indiana in west-central Lake County, and its main ridge can be traced for about 20 miles across Lake County and western Porter County. It is more readily recognized as a discrete moraine by ice-block depressions and drainage relations along its distal margin than by its height or good internal morphology. The crest of the Tinley ridge gradually decreases in elevation from 736 feet at the state line to about 700 feet at the eastern end of the segment, where the moraine be- comes obscure near a prominent gap in the Valparaiso Moraine. Here the terminal zone of the Tinley ice apparently curved northward through an arc of about 90 degrees and is represented by an upland till plain that was probably deposited with the ice front standing in a lake. Farther north- east the terminal zone of the ice possibly is marked by an undulating till belt that trends eastward through northeastern Porter County and northeastward through northwestern LaPorte County. This belt has long been considered to be part of the Lake Border Morainic System, which is, however, presumably younger than the Tinley Moraine.
    [Show full text]
  • April 16-20, 2016 Geological Society of America 2016 North-Central
    April 16-20, 2016 Geological Society of America Urbana-Champaign, Illinois 2016 North-Central Meeting Session Date Time/Booth Convention Center Presentation Link to Abstract Field Trip 1 Saturday, April 16 & 7 a.m.–4 p.m. Curry, B. Brandon, and Caron, Olivier J., 2016, The Quaternary geology of the Sunday, April 17 Chicago metropolitan area–the Chicago Outlet, Valparaiso Moraine, Lake Michigan Lobe chronology revisited, and Kankakee Torrent story: Geological Society of America Abstracts Field Trip Guidebook. CANCELLED Field Trip 3 Sunday, April 17 8 a.m.–5 p.m. Grimley, David A., Anders, Alison, and Stumpf, Andrew J., 2016, Quaternary geology of the Upper Sangamon River Basin– glacial, post-glacial, and post- settlement history: Geological Society of America Abstracts Field Trip Guidebook. 3-2 Monday, April 18 8:20 Chancellor Ballroom Wang, Hong, 2016, Intra Dansgaard–Oeschger cycles in ice margin, loess, https://gsa.confex.com/gsa/ dune, and lacustrine deposits in the central USA and their forcing mechanism: 2016NC/webprogram/Paper Geological Society of America Abstracts with Programs, v. 48, no. 5, p. , doi: 275473.html 10.1130/abs/2016NC-275473. 3-5 Monday, April 18 9:20 Chancellor Ballroom Dziekan, Mitchell R., Fisher, Timothy G., Horton, Jennifer, and Loope, Henry https://gsa.confex.com/gsa/ M., 2016, Melt-out time lag, and its impact on assessing ages of Quaternary 2016NC/webprogram/Paper events: Geological Society of America Abstracts with Programs, v. 48, no. 5, 275530.html p. , doi: 10.1130/abs/2016NC-275530. 3-6 Monday, April 18 9:40 Chancellor Ballroom Kozlowski, Andrew, Mahan, Shannon A., Bird, Brian, and Feranec, Robert S., https://gsa.confex.com/gsa/ 2016, A proposed time-stratigraphic paradigm for late Quaternary events in 2016NC/webprogram/Paper the central Finger Lakes of New York State: Geological Society of America 275515.html Abstracts with Programs, v.
    [Show full text]