Mark Kleffner
The Ohio State University Lima, Lima, OH
Activity
2023
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PAUCITY OF STRATA ASSIGNED TO THE PTEROSPATHODUS CELLONI
SUPERZONE (TELYCHIAN, LLANDOVERY, SILURIAN) IN THE EASTERN PORTION OF THE MIDWESTERN BASINS AND ARCHES REGION
T7 Celebrating the Diverse Utility of Conodonts in the Birthplace of the Color Alteration Index, the Appalachian Basin: Integrated Studies of the Biosphere, Stratigraphy, and GeochemistrySunday, 15 October 20238:00 AM - 12:00 PM303
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HIRNANTIAN(?) THROUGH WENLOCK (LATE ORDOVICIAN THROUGH LLANDOVERY) CONODONTS AND STABLE CARBON ISOTOPES FROM THE MEDINA AND CLINTON GROUPS, SUBSURFACE CENTRAL OHIO, DISTAL APPALACHIAN BASIN, USA
23 D22. Recent Developments in Biogeography and Biostratigraphy (Posters)Sunday, 15 October 20238:00 AM - 5:30 PMHall B
2020
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REVISED MIDDLE TO UPPER AERONIAN AND TELYCHIAN (LOWER SILURIAN) CONODONT BIOSTRATIGRAPHY FOR THE EASTERN PORTION OF THE MIDWESTERN BASINS AND ARCHES REGION (NEW YORK, OHIO, KENTUCKY, AND INDIANA)
T35 Applications of Conodonts to Integrated Studies of Biostratigraphy, Chemostratigraphy and Sequence Stratigraphy—North American Pander Society Annual MeetingMonday, 26 October 20205:30 PM - 8:00 PMMeeting Rooms
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REVISED MIDDLE TO UPPER AERONIAN AND TELYCHIAN (LOWER SILURIAN) CONODONT BIOSTRATIGRAPHY FOR THE EASTERN PORTION OF THE MIDWESTERN BASINS AND ARCHES REGION (NEW YORK, OHIO, KENTUCKY, AND INDIANA)
23 D15. Paleontology (Posters)Friday, 20 March 20201:30 PM - 5:30 PMGrand Ballroom A–D
2018
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GOLDEN BRASSFIELD OF THE NORTH AMERICA MIDWESTERN BASINS AND ARCHES (NAMBA) REGION (INDIANA AND KENTUCKY): ALL IS NOT GOLDEN ACCORDING TO CONODONT BIOSTRATIGRAPHY AND δ13CCARB CHEMOSTRATIGRAPHY
46 D36. Stratigraphy (Posters)Sunday, 4 November 20189:00 AM - 5:30 PMHalls J-K
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TRANS-ATLANTIC KATIAN (UPPER ORDOVICIAN) δ13C CHEMOSTRATIGRAPHY AND ITS RELATIONS TO GRAPTOLITE AND CONODONT ZONES
46 D36. Stratigraphy (Posters)Sunday, 4 November 20189:00 AM - 5:30 PMHalls J-K
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REVISED CONODONT BIOSTRATIGRAPHY OF LOWER SILURIAN STRATA OF SOUTHEASTERN WISCONSIN
6 Current Developments in Paleozoic and Early Mesozoic Conodont Biostratigraphy, Systematics, and Paleoecology: The 51st Pander Society SymposiumMonday, 16 April 20188:00 AM - 12:00 PMRoom 299
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KATIAN (UPPER ORDOVICIAN) GLOBAL δ13C CHEMOSTRATIGRAPHY: IMPLICATIONS OF THE DISCOVERY OF A COMPLETE ELKHORN EXCURSION IN ITS TYPE AREA IN WESTERN OHIO
13 Compelling Cores from the North-Central Section: A Core-Poster Session (Posters)Monday, 16 April 20188:00 AM - 5:30 PMFirst Floor Lobby
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CONODONT FAUNAS ACROSS THE SILURIAN-DEVONIAN BOUNDARY AND THE KLONK ISOTOPE EVENT IN WESTERN TENNESSEE, AND THE APPEARANCE OF ENDEMIC EARLIEST DEVONIAN ICRIODUS SPECIES
6 Current Developments in Paleozoic and Early Mesozoic Conodont Biostratigraphy, Systematics, and Paleoecology: The 51st Pander Society SymposiumMonday, 16 April 20188:00 AM - 12:00 PMRoom 299
2017
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HIGH-RESOLUTION CHRONOSTRATIGRAPHIC CORRELATION OF UPPER HOMERIAN (SILURIAN) STRATA DURING THE MULDE EVENT, MIDCONTINENT, USA
T186 Chemostratigraphy: Environments, Correlation, and Time (Posters)Monday, 23 October 20179:00 AM - 6:30 PMHalls 4EF
2016
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LOWER SILURIAN STRATIGRAPHIC SECTION OF JOHN BRYAN STATE PARK, GREENE COUNTY, OHIO, AS A PROXY FOR THE PROBABLE INCOMPLETELY RECOGNIZED COMPLEXITY OF THE LOWER SILURIAN (LLANDOVERY) OF THE NORTH AMERICAN MIDWESTERN BASINS AND ARCHES REGION BASED ON CONODONT BIOSTRATIGRAPHY AND δ13CCARB CHEMOSTRATIGRAPHY
12 Reefs and Shallow Seas: Advances in High-Resolution Stratigraphy and Paleontology in Silurian-Ordovician Rocks of North AmericaMonday, 18 April 20161:30 PM - 5:30 PMIllinois Ballroom C
2015
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ARE THE RECENTLY REDEFINED DAYTON FORMATION (SILURIAN, LLANDOVERY, TELYCHIAN) AND DAYTON LIMESTONE OF ORTON, THE CELEBRATED BUILDING STONE OF OHIO, THE SAME FORMATION, OR IS A LIMESTONE BELOW THE DAYTON FORMATION AT JOHN BRYAN STATE PARK THE DAYTON LIMESTONE?
40 Cultural Geology and Geoarchaeology: Millstones, Dimension Stones, Capitol Buildings, Heritage Stone, and MoreWednesday, 20 May 20151:30 PM - 4:10 PMHall of Ideas H
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RECALIBRATING THE SILURIAN-DEVONIAN BOUNDARY: COMBINING A NEW HIGH-PRECISION CA-ID-TIMS U-PB AGE WITH CHITINOZOAN BIOSTRATIGRAPHY
50 Fossils in the Northeastern U.S.: Recent Discoveries and ReinterpretationsTuesday, 24 March 20153:30 PM - 5:30 PMDartmouth Room
2014
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RECALIBRATING THE SILURIAN–DEVONIAN BOUNDARY: A NEW, HIGH-PRECISION CA-ID-TIMS DATE FOR THE ‘KALKBERG’ K-BENTONITE
176 StratigraphyTuesday, 21 October 20148:00 AM - 12:00 PM221/222
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NEW CHRONOSTRATIGRAPHIC DATA FROM THE TELYCHIAN (LLANDOVERY; SILURIAN) OF THE NORTHERN APPALACHIAN BASIN AND ITS IMPLICATIONS FOR EXISTING SEQUENCE STRATIGRAPHIC FRAMEWORKS
176 StratigraphyTuesday, 21 October 20148:00 AM - 12:00 PM221/222
2012
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CONODONT BIOSTRATIGRAPHY AND 13C CHEMOSTRATIGRAPHY OF THE SALINA GROUP IN NORTH AMERICAN MIDWESTERN BASINS AND ARCHES REGION (WESTERN OHIO AND EASTERN INDIANA)
1 Bridging the Gap between the Great Ordovician Biodiversification Event and Late Carboniferous Life: Conodonts, Climate Change, and Biodiversity PatternsMonday, 23 April 20128:00 AM - 12:00 PMRoom 303
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REVISED NOMENCLATURE AND SEQUENCE STRATIGRAPHIC INTERPRETATION OF THE SILURIAN (TELYCHIAN TO SHEINWOODIAN) OSGOOD FORMATION IN THE CINCINNATI ARCH REGION
9 Navigating Ancient Midwestern Seas: The Geologic Record of Flooding and Emergence on a Large Paleozoic PlatformMonday, 23 April 20121:00 PM - 3:00 PMRoom 203
2011
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RECOGNITION OF THE MULDE EVENT AND MULDE POSITIVE CARBON ISOTOPE (δ13Ccarb) EXCURSION (LATE WENLOCK; SILURIAN) IN THE NORTH AMERICAN MIDCONTINENT BASINS AND ARCHES REGION OF SOUTHERN LAURENTIA (INDIANA, OHIO, ONTARIO)
15 Conodonts: Acanthodus to ZygognathusSunday, 20 March 20111:30 PM - 3:00 PMFrick
2010
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TELYCHIAN-EARLY SHEINWOODIAN (EARLY SILURIAN) CONODONT-, GRAPTOLITE-, CHITINOZOA-, AND EVENT-BASED CHRONOSTRATIGRAPHY DEVELOPED USING THE GRAPHIC CORRELATION METHOD
9 Current Conodont Research I: A Pander Society Session in Honor of Raymond Ethington, Tom Thompson, and Jim MillerMonday, 12 April 20108:00 AM - 12:00 PMShort Creek 3 & 4
2008
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SILURIAN CONODONT BIOSTRATIGRAPHY AND δ13C STRATIGRAPHY OF THE ERAMOSA FORMATION, SOUTHWESTERN ONTARIO, CANADA
13 New Approaches and Initiatives in Paleozoic High-Resolution Stratigraphy: A Session Commemorating 15 Years of Views from the Craton and Beyond IIThursday, 24 April 20081:20 PM - 5:00 PM
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THE LAU PRIMO-SECUNDO OCEANIC EVENT (LUDLOW, SILURIAN) IN SOUTHERN LAURENTIA
13 New Approaches and Initiatives in Paleozoic High-Resolution Stratigraphy: A Session Commemorating 15 Years of Views from the Craton and Beyond IIThursday, 24 April 20081:20 PM - 5:00 PM
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WHAT DOES THE TERM 'BIOCHEMOSTRATIGRAPHY' MEAN ANYWAY? ATTEMPTING TO DEFINE THE METHODS, APPLICATIONS, PITFALLS, AND PALEOZOIC POTENTIAL OF INTEGRATED DATA
2 New Approaches and Initiatives in Paleozoic High-Resolution Stratigraphy: A Session Commemorating 15 Years of Views from the Craton and Beyond IThursday, 24 April 20089:00 AM - 11:20 AM
2005
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FIRST RECOGNITION OF HIRNANTIAN (UPPERMOST ORDOVICIAN) STRATA IN NORTHEASTERN IOWA AND NORTHEASTERN ILLINOIS BY MEANS OF d13C CHEMOSTRATIGRAPHY
33 Innovations in Paleontological Methods (Posters)Friday, 20 May 20058:00 AM - 12:00 PM
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FIRST DOCUMENTATION OF EARLY WENLOCK IREVIKEN POSITIVE d13CCARB EXCURSION IN THE TYPE AREA OF THE NIAGARAN PROVINCIAL SERIES: IRONDEQUOIT LIMESTONE, ROCHESTER SHALE, DECEW DOLOMITE, GASPORT DOLOMITE, AND GOAT ISLAND DOLOMITE ARE ALL SHEINWOODIAN (EARLY WENLOCK) IN AGE
32 Sedimentary Geology (Posters)Friday, 20 May 20058:00 AM - 12:00 PM
2003
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LOWER SILURIAN CONODONTS OF CENTRAL NEVADA AND THEIR STRATIGRAPHIC SIGNIFICANCE
3 Pander Society Symposium (Posters)Monday, 24 March 20038:00 AM - 12:00 PM
2002
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CONODONT EVENTS OF THE LATE LLANDOVERY (SILURIAN) THROUGH EARLIEST DEVONIAN OF THE NORTH AMERICAN MIDCONTINENT
42 Event Stratigraphy: Evidence for Volcanic, Eustatic, Biotic, Isotopic, and Seismic Events in the Paleozoic Sedimentary RecordFriday, 5 April 20028:00 AM - 12:00 PM
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NEWLY REVISED AND CALIBRATED CONODONT-, GRAPTOLITE-, AND CHITINOZOA-BASED SILURIAN CHRONOSTRATIGRAPHY DEVELOPED USING THE GRAPHIC CORRELATION METHOD
19 Pander Society Symposium (Posters)Thursday, 4 April 20028:00 AM - 12:00 PM
2001
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A CONODONT-, GRAPTOLITE, AND CHITINOZOA-BASED SILURIAN (UPPER LLANDOVERY-PRIDOLI) CHRONOSTRATIGRAPHY
13 Pander Society SymposiumMonday, 23 April 20011:20 PM - 4:40 PM
Date Unknown
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CONODONT BIOSTRATIGRAPHY, δ13C CHEMOSTRATIGRAPHY, AND RECOGNITION OF SILURIAN/DEVONIAN BOUNDARY IN THE APPALACHIAN BASIN AT CHERRY VALLEY, NEW YORK
54 Stratigraphy (Posters)
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REVISED CONODONT-, GRAPTOLITE-, AND CHITINOZOA-BASED SILURIAN COMPOSITE DEVELOPED USING GRAPHIC CORRELATION AIDS NEW CALIBRATION OF CURRENT SILURIAN CHRONOSTRATIGRAPHY
36 Stratigraphy (Posters)
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CHRONOSTRATIGRAPHIC SIGNIFICANCE OF d13C CHEMOSTRATIGRAPHY IN THE ORDOVICIAN-SILURIAN BOUNDARY INTERVAL IN THE NORTH AMERICAN MIDCONTINENT
35 A Continent Encompassed: Issues in North American Paleozoic Stratigraphy (Posters)
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STRATIGRAPHIC SIGNIFICANCE OF δ13C CHEMOSTRATIGRAPHY IN THE UPPER ORDOVICIAN-LOWER SILURIAN OF THE NORTH AMERICAN MIDCONTINENT
54 Stratigraphy (Posters)
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d13C CHEMOSTRATIGRAPHY OF THE MANITOULIN FORMATION (ORDOVICIAN-SILURIAN) AND UNDERLYING STRATA IN ONTARIO: A NEW INTERPRETATION OF AGE AND DEPOSITIONAL RELATIONSHIPS
36 Stratigraphy (Posters)