---

Activity

2007

• WHAT, IF ANYTHING, IS THE "MUDDY CYCLE" (LATE ALBIAN) IN THE WESTERN INTERIOR?
  42 Insights from Cretaceous-Paleogene Paleoenvironments and Deposition: Glimpses of the Greenhouse
  Friday, 13 April 2007

  1:20 PM - 5:00 PM
• CONODONTS FROM THE WINNESHIEK LAGERSTÄTTE, ST. PETER SANDSTONE (ORDOVICIAN) OF NORTHEAST IOWA
  30 Pander Society Symposium—Mixed-Up Conodonts: Extracting Useful Information and Solving Geologic Puzzles Using Stratigraphic Leaks and Redeposited Faunas
  Friday, 13 April 2007

  8:10 AM - 12:00 PM
• SEQUENCE STRATIGRAPHY OF LOWER CENOMANIAN - UPPER ALBIAN STRATA IN A FLUVIAL-ESTUARINE SETTING, DAKOTA FORMATION IN S.E. NEBRASKA-N.C. KANSAS
  42 Insights from Cretaceous-Paleogene Paleoenvironments and Deposition: Glimpses of the Greenhouse
  Friday, 13 April 2007

  1:20 PM - 5:00 PM

---

2006

• HIGH-RESOLUTION CHEMOSTRATIGRAPHIC CORRELATIONS OF MID-CRETACEOUS STRATA DEPOSITED FROM THE EASTERN MARGIN TO THE FOREDEEP OF THE WESTERN INTERIOR BASIN, NORTHWESTERN IOWA TO NORTHEASTERN WYOMING
  T161 Better Living Through Geochemistry: Fostering an Understanding of Terrestrial Paleoenvironments and Paleoclimates
  Tuesday, 24 October 2006

  1:30 PM - 5:30 PM
• MIDDLE-SHELF FACIES, DEPOSITION, AND STRATIGRAPHY OF THE CEDAR VALLEY GROUP, DEVONIAN OF EASTERN IOWA
  10 A Continent Encompassed: Issues in North American Paleozoic Stratigraphy
  Thursday, 20 April 2006

  3:40 PM - 4:20 PM

---

2005

• A NEW SOFT-BODIED MIDDLE ORDOVICIAN FAUNA FROM THE ST. PETER SANDSTONE IN NORTHEAST IOWA
  T49 Taphonomy: Process and Bias through Time
  Sunday, 16 October 2005

  1:30 PM - 5:30 PM
• RECONCILING THE STABLE ISOTOPIC PALEOHYDROLOGY OF PEDOGENIC SIDERITES AND CALCITES
  36 Developing Approaches to Terrestrial Paleoclimatology II
  Friday, 20 May 2005

  1:20 PM - 5:20 PM
• EPEIRIC SHALE DEPOSITION AT THE EDGES OF ANOXIA AND DYSOXIA; ORDOVICIAN AND DEVONIAN EXAMPLES FROM EASTERN IOWA
  1 Paleontology and Sedimentary Geology
  Thursday, 19 May 2005

  10:20 AM - 11:40 PM
• ALLOGENIC SEA LEVEL CYCLES FROM THE CENOMANIAN-TURONIAN GREENHORN MARINE CYCLE: NEW BULK CARBONATE AND FORAMINIFERAL DATA FROM THE DAKOTA, GRANEROS, AND GREENHORN FORMATIONS IN WESTERN IOWA
  25 Coastal Sedimentology, Stratigraphy, and General Sedimentology (Posters)
  Tuesday, 15 March 2005

  1:00 PM - 5:00 PM

---

2004

• PALEOZOIC CRATONIC STRATIGRAPHY IN THE NORTH AMERICAN CONTINENTAL HEARTLAND, A COMPLEX "LAYER CAKE"
  T77 The Concept of Layer-Cake Stratigraphy—Then and Now
  Monday, 8 November 2004

  8:00 AM - 12:00 PM
• TERRESTRIAL PALEOCLIMATOLOGY OF THE MID-CRETACEOUS GREENHOUSE II: OXYGEN ISOTOPIC EVIDENCE FOR ENHANCED ATMOSPHERIC HEAT TRANSPORT
  T78 Frontier in Understanding the Geologic Record of Climate Change: A Session in Honor of William W. Hay
  Monday, 8 November 2004

  8:00 AM - 12:00 PM
• STRATAL ARCHITECTURE WITHIN OSAGEAN (MISSISSIPPIAN) CARBONATE SEQUENCES, MIDCONTINENT SHELF OF IOWA
  13 Recent Developments in Understanding Carbonate Geology of the Midcontinent
  Friday, 2 April 2004

  8:00 AM - 12:00 PM

---

2003

• ENHANCED LATENT HEAT TRANSPORT BY AN INTENSIFIED ALBIAN HYDROLOGIC CYCLE
  202 Paleoclimatology/Paleoceanography I
  Wednesday, 5 November 2003

  8:00 AM - 12:00 PM
• VIRGILIAN (UPPER PENNSYLVANIAN) CYCLOTHEMS IN SOUTHWEST IOWA
  1 Stratigraphic Correlation and Nomenclature of the Upper Midwest Paleozoic
  Monday, 24 March 2003

  8:00 AM - 9:50 PM

---

2002

• METHANE FLUXES FROM MID-CRETACEOUS WETLAND SOILS: INSIGHTS GAINED FROM CARBON AND OXYGEN ISOTOPIC STUDIES OF SPHAEROSIDERITES IN PALEOSOLS
  T91 Wetlands Paleoecology Through Time
  Monday, 28 October 2002

  1:30 PM - 5:30 PM
• TURINIAN AND CHATFIELDIAN (ORDOVICIAN) CARBON ISOTOPE EXCURSIONS AND THEIR COEVAL SUBMARINE DISCONFORMITIES ON THE GALENA CARBONATE SHELF: WHAT WAS THEIR PALEOCEANOGRAPHIC SIGNIFICANCE?
  42 Event Stratigraphy: Evidence for Volcanic, Eustatic, Biotic, Isotopic, and Seismic Events in the Paleozoic Sedimentary Record
  Friday, 5 April 2002

  8:00 AM - 12:00 PM
• REGIONAL STRATIGRAPHIC RELATIONS OF THE BURLINGTON-KEOKUK FORMATIONS (MISSISSIPPIAN) ACROSS THE CENTRAL U.S., AND THE NATURE OF THE SUB-BURLINGTON DISCONFORMITY
  27 Stratigraphy
  Thursday, 4 April 2002

  1:20 PM - 4:20 PM
• A NEWLY RECOGNIZED POSITIVE CARBON ISOTOPE EXCURSION IN THE MCGREGOR MEMBER OF THE PLATTEVILLE FORMATION, EASTERN IOWA
  33 Undergraduate Research (Posters)
  Thursday, 4 April 2002

  1:00 PM - 5:00 PM

---

2001

• DEPOSITION OF FLUVIAL GRAVELS IN LATE ALBIAN KIOWA MARINE CYCLE FLUVIAL-ESTUARINE SETTING, NISHNABOTNA MEMBER, DAKOTA FORMATION ALONG THE CRATONIC MARGIN, CRETACEOUS WESTERN INTERIOR BASIN
  149 Clastic Sediments: New Insights into Fluvial, Deltaic, and Shallow Marine Sedimentation
  Thursday, 8 November 2001

  8:00 AM - 12:00 PM
• CONDENSED SEDIMENTATION AND CONODONT BIOEVENTS IN THE ST. PETER SANDSTONE (ORDOVICIAN), CENTRAL MIDCONTINENT
  3 Paleozoic Bio-events (Sponsored by the Paleontological Society)
  Monday, 23 April 2001

  8:00 AM - 12:00 PM

---

Date Unknown

• CARBON ISOTOPE CHEMOSTRATIGRAPHY OF ORDOVICIAN CARBONATES OF THE PLATTEVILLE, DECORAH, AND DUNLEITH FORMATIONS IN THE BIG SPRING #4 CORE, CLAYTON COUNTY, IOWA
  26 Undergraduate Research – Sedimentology, Stratigraphy and Paleontology (Posters)
• CENTRAL NORTH AMERICAN RECORD OF THE GLOBAL HANGENBERG CARBON ISOTOPE EXCURSION IN AN EPEIRIC SEA SETTING: VARIATIONS IN CARBONATE PRODUCTION AND ORGANIC CARBON BURIAL DURING THE LATE FAMENNIAN
  21 Influence of Epeiric Sea Dynamics on the Interpretation of Isotope Secular Curves (Posters)
• MID-CRETACEOUS PRECIPITATION RATES IN N. SLOPE, ALASKA DETERMINED FROM PALEOSOL SIDERITE OXYGEN ISOTOPE VALUES
  7 Paleoclimatology/Paleoceanography (Posters)
• SOOT AND POLLEN FROM MANSON IMPACT-RELATED STRATA (UPPER CRETACEOUS) OF IOWA AND SOUTH DAKOTA
  T119 Impact Craters: Structures, Drilling, Ages, and Geophysics (Posters)
• TERRESTRIAL PALEOCLIMATOLOGY OF THE MID-CRETACEOUS GREENHOUSE I: CROSS-CALIBRATION OF PEDOGENIC SIDERITE & CALCITE d18O PROXIES AT THE HADLEY CELL BOUNDARY
  T125 Frontier in Understanding the Geologic Record of Climate Change: A Session in Honor of William W. Hay (Posters)
• DIAGENETIC ANALYSIS OF A SUBAERIAL EXPOSURE SURFACE FROM THE CRETACEOUS (ALBIAN) WALNUT FORMATION, CENTRAL TEXAS
  24 Stratigraphy (Posters)