James Cochran
Larson Paleontology Unlimited, Hill City, SD
Activity
2025
-
PALEOGEOGRAPHIC EVOLUTION OF THE WESTERN INTERIOR SEAWAY OF NORTH AMERICA: QUANTIFYING GEOGRAPHIC CHANGES FROM THE CONIACIAN TO MAASTRICHTIAN
21 The Upper Cretaceous Mancos Group on the Colorado PlateauTuesday, 20 May 20258:00 AM - 9:45 AMCascade E
2024
-
CARBONATE CLUMPED ISOTOPES OF ARAGONITIC FOSSILS FROM THE LATE CRETACEOUS WESTERN INTERIOR SEAWAY AND THE ROLE OF BOND REORDERING IN SIGNAL PRESERVATION
T3 Advances in Nontraditional Stable Isotope Measurements and Utility as Proxies in Modern and Paleo-SettingsSunday, 22 September 20248:00 AM - 12:00 PM207A
2023
-
THE PALEOGEOGRAPHIC EVOLUTION OF THE CAMPANIAN AND MAASTRICHTIAN WESTERN INTERIOR SEAWAY AND ITS RELATIONSHIP TO TECTONICS AND THE OCEANO-CLIMATE SYSTEM
T8 Evolution of the Western Interior Basin: New Advances and Fresh PerspectivesSunday, 15 October 20238:00 AM - 12:00 PM301 / 302
2022
-
EXPLORING THE METABOLIC RATE OF DIFFERENT ECTOCOCHLEATE CEPHALOPODS USING STABLE CARBON ISOTOPES OF SHELL MATERIAL
214 D40. Paleontology: Recent Developments in PaleoecologyWednesday, 12 October 20228:00 AM - 12:00 PMMile High Ballroom 4A
-
QUANTIFYING THE PALEOGEOGRAPHIC EVOLUTION OF THE LATE CRETACEOUS WESTERN INTERIOR SEAWAY
T169 Oceans and Climates through Earth History: From Proxy Reconstructions to Model Assessments (Posters)Tuesday, 11 October 20229:00 AM - 1:00 PMExhibit Hall F
2021
-
REFINING THE HABITAT OF NAUTILUS MACROMPHALUS BASED ON THE ISOTOPIC COMPOSITION AND TEMPERATURE OF THE WATER COLUMN IN NEW CALEDONIA
T155 Cephalopods Present and Past: Evolution, Paleoecology, and Links to Paleoenvironmental Change (Posters)Tuesday, 12 October 20219:00 AM - 1:00 PMExhibit Hall A
-
AMMONITES, SEEPS, ASH FALLS, AND OAE 2: PALEOECOLOGY OF COLD METHANE SEEP DEPOSITS IN THE CENOMANIAN-TURONIAN TROPIC SHALE OF SOUTHERN UTAH
T155 Cephalopods Present and Past: Evolution, Paleoecology, and Links to Paleoenvironmental Change (Posters)Tuesday, 12 October 20219:00 AM - 1:00 PMExhibit Hall A
-
DID AMMONITES SURVIVE FOR A BRIEF TIME AFTER THE K/PG MASS EXTINCTION ON THE U.S. GULF COASTAL PLAIN?
T105 Cephalopods Present and Past: Evolution, Paleoecology, and Links to Paleoenvironmental ChangeMonday, 11 October 20211:30 PM - 5:30 PME141/E142 (Hybrid Room)
2020
-
STABLE ISOTOPIC COMPOSITION, PALEOECOLOGY, AND HABITAT OF THE AMMONITE SPHENODISCUS LOBATUS IN THE UPPER CRETACEOUS (MAASTRICHTIAN) WESTERN INTERIOR SEAWAY, USA
T135 Cephalopods Present and Past: Insights into Evolution, Paleobiology, and Links to Paleoenvironmental ChangeWednesday, 28 October 20201:30 PM - 5:30 PMMeeting Rooms
2019
-
BIODIVERSITY CHANGES FOLLOWING AN ASH FALL IN THE LATE CRETACEOUS WESTERN INTERIOR SEAWAY
285 D23. Paleontology: PaleoecologyWednesday, 25 September 20191:30 PM - 5:30 PMRoom 225AB, North Building
-
CLUMPED ISOTOPE PALEOTHERMOMETRY OF AUTHIGENIC CARBONATES FROM LATE CRETACEOUS (CAMPANIAN) METHANE SEEPS IN THE WESTERN INTERIOR SEAWAY, SOUTH DAKOTA, USA
T197 Cephalopods through Time: Paleobiology, Paleoecology, and Links to Paleoenvironmental Change (Posters)Tuesday, 24 September 20199:00 AM - 6:30 PMHall AB, North Building
-
AMMONITES NEAR THE CRETACEOUS/PALEOGENE BOUNDARY IN NORTHWESTERN MOROCCO
T197 Cephalopods through Time: Paleobiology, Paleoecology, and Links to Paleoenvironmental Change (Posters)Tuesday, 24 September 20199:00 AM - 6:30 PMHall AB, North Building
-
CHEMOSTRATIGRAPHY OF UPPER MAASTRICHTIAN SHALLOW MARINE DEPOSITS IN MISSISSIPPI, USA: TEMPORAL FRAMEWORK FOR THE GULF COASTAL PLAIN REGION LEADING UP TO THE END-CRETACEOUS MASS EXTINCTION EVENT
T169 Chemostratigraphy: Physical and Temporal ApplicationsTuesday, 24 September 20198:00 AM - 12:00 PMRoom 224B, North Building
-
AMMONITES AS AN INTEGRAL PART OF COLD METHANE SEEP FAUNAS: COMPARISON OF SITES FROM THE UPPER JURASSIC OF FRANCE AND THE UPPER CRETACEOUS OF NORTH AMERICA
T197 Cephalopods through Time: Paleobiology, Paleoecology, and Links to Paleoenvironmental Change (Posters)Tuesday, 24 September 20199:00 AM - 6:30 PMHall AB, North Building
2018
-
EVOLUTION OF LATE CRETACEOUS MERIDIONAL TEMPERATURE GRADIENTS
222 D58. Recent Advances in Paleoclimatology and PaleoceanographyWednesday, 7 November 20188:00 AM - 12:00 PMRoom 138-139
-
STRONTIUM, CARBON AND OXYGEN ISOTOPES IN WELL-PRESERVED AMMONITE SHELLS AND AUTHIGENIC CARBONATES IN COLD METHANE SEEP DEPOSITS FROM THE LATE CRETACEOUS WESTERN INTERIOR SEAWAY OF NORTH AMERICA: CLUES TO SEEP PALEOENVIRONMENT
T186 Cephalopods through Time (Posters)Tuesday, 6 November 20189:00 AM - 6:30 PMHalls J-K
-
TEMPORAL, SPATIAL, AND FAUNAL ANALYSIS OF METHANE SEEP DISTRIBUTION IN THE LATE CRETACEOUS WESTERN INTERIOR SEAWAY (WIS), USA
T186 Cephalopods through Time (Posters)Tuesday, 6 November 20189:00 AM - 6:30 PMHalls J-K
-
PRESENCE OF JUVENILE AMMONITES AT LATE CRETACEOUS METHANE SEEPS (WESTERN INTERIOR SEAWAY)
T163 Cephalopods through TimeTuesday, 6 November 20188:00 AM - 12:00 PMRoom 142
-
STABLE ISOTOPE STRATIGRAPHY OF UPPER MAASTRICHTIAN SHALLOW MARINE RHYTHMITE DEPOSITS IN THE GULF COASTAL PLAIN, USA: CLIMATE VARIABILITY LEADING UP TO THE K-PG MASS EXTINCTION EVENT
46 D36. Stratigraphy (Posters)Sunday, 4 November 20189:00 AM - 5:30 PMHalls J-K
2017
-
COLD METHANE SEEPS AS AMMONITE HABITATS
T307 Cephalopod Paleobiology and Paleoecology: A Tribute to Royal H. MapesWednesday, 25 October 20178:00 AM - 12:00 PMRoom 607
2016
-
ISOTOPE AND FAUNAL COMPOSITION OF COLD METHANE SEEP DEPOSITS IN THE WESTERN INTERIOR SEAWAY, SOUTH DAKOTA
324 Geochemistry (Posters)Wednesday, 28 September 20169:00 AM - 6:30 PMExhibit Hall E/F
2014
-
ANCIENT METHANE COLD-SEEP STRUCTURE, MINERALOGY, AND APPARENT FLUID FLOW RATES
T254 Methane Seepage, Chemosynthetic Life Oases, and Carbonate DepositsTuesday, 21 October 20141:00 PM - 5:00 PM304/305
-
THE INFLUENCE OF SHELL MICROSTRUCTURE ON THE PRESERVATION AND ISOTOPIC COMPOSITION OF LATE CRETACEOUS BIVALVE AND GASTROPOD SHELLS
117 Paleontology: Taphonomic Processes, Patterns, and Methods (Posters)Monday, 20 October 20149:00 AM - 6:30 PMExhibition Hall C
-
AMMONITE HABITAT REVEALED VIA ISOTOPIC COMPOSITION AND COMPARISONS WITH CO-OCCURRING BENTHIC AND PLANKTONIC ORGANISMS
T22 Topics in Paleoecology: Modern Analogues and Ancient Systems ISunday, 19 October 20148:00 AM - 12:00 PM223/224
2013
-
CALCITIC JAWS OF AMMONOIDS AND NAUTILIDS: A NEW PROXY FOR RECONSTRUCTING HABITATS OF FOSSIL CEPHALOPODS
94 Specimen and Field-Based Insights into Climate and PaleoecologyMonday, 28 October 20138:00 AM - 12:00 PMMile High Ballroom 1CD
-
THE NAUTILUS DEATH CENOTE
126 Paleoecology and Taphonomy (Posters)Monday, 28 October 20139:00 AM - 6:30 PMHall D
-
REGIONAL CHARACTERIZATION OF SPATIAL VARIABILITY IN SUBMARINE GROUNDWATER DISCHARGE: UNDERSTANDING FLUX SIGNATURES IN THERMAL INFRARED DATA AND GEOLOGIC CONTROLS
T49 GIS and Remote Sensing Applications in Environmental and Engineering Geology (Posters)Sunday, 27 October 20139:00 AM - 6:30 PMHall D
2012
-
INSIGHTS INTO CLIMATIC AND FAUNAL CHANGES AT THE END OF THE MAASTRICTIAN AT THE TYPE LOCALITY OF THE OWL CREEK FORMATION, MISSISSIPPI
158 Paleontology: Taphonomy, Paleoecology, and Diversity Dynamics (Posters)Tuesday, 6 November 20129:00 AM - 6:00 PMHall B