KF
Member Since 1987
Kate H. Freeman
Penn State/College of Earth and Mineral Sciences
AGU Research
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Organic preservation of microfossils in the Umbria-Marche, Italy, demonstrates early diagenetic anoxic redox conditions independent of the OAE2 Bonarelli Level
AGU 2024
biogeosciences | 13 december 2024
Madeline Paoletti, Miguel Desmarais, Kabir Mohamme...
The CenomanianTuronian Ocean Anoxic Event (OAE2, 93.5 Ma) is expressed within pelagic sediments in an organic-rich horizon known as the Bonarelli Leve...
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Intramolecular carbon isotope distributions in amino acids using Fourier transform mass spectrometry
AGU 2024
biogeosciences | 13 december 2024
Gabriella Weiss, Alex Sessions, Heather Graham, Ma...
The ability to detect intramolecular isotopic differences can answer questions about the formation of molecules and their alteration by biological and...
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Abundant Ammonia and Nitrogen-rich Organic Matter in Samples from the Carbonaceous Asteroid Bennu
AGU 2024
union sessions | 13 december 2024
Daniel P. Glavin, Jason Dworkin, Conel M. Alexande...
The study of organic matter in meteorites reveals clues about early solar system chemistry and the origin of molecules important to life, but terrestr...
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Deciphering the role of biotic and abiotic factors on the formation of travertine in Central Italy
AGU 2024
paleoceanography and paleoclimatology | 11 december 2024
Zohra Zahir, Meera Shah, John Goodin, Tyler Logie,...
Travertine, a form of terrestrial limestone deposited by mineral springs, is abundant in Central Italy. At Acquasanta Terme, Pleistocene travertine re...
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Redox Shifts and Organic Carbon Burial in the Umbria-Marche Basin During the Cenomanian-Turonian Ocean Anoxic Event
AGU 2024
volcanology, geochemistry and petrology | 10 december 2024
Miguel Desmarais, Kabir Mohammed, Madeline Paolett...
The CenomanianTuronian Ocean Anoxic Event (OAE2, ~94 Ma), defined here based on the carbon isotope excursion, is marked by increased primary productiv...
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The OAE-2 Bonarelli Level in the Umbria-Marche, Italy, Provides Evidence of Increased Large Igneous Province Volcanism
AGU 2024
volcanology, geochemistry and petrology | 10 december 2024
Catherine Fontana, Tyler Lincoln, Amandine Migeon,...
The Oceanic Anoxic Event 2 (OAE-2) is expressed in the Bonarelli Level at the Cenomanian-Turonian boundary (94 Ma) throughout the Umbria-Marche region...
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Analyzing the Mineralogy and Space Weathering Characteristics of the Finest Fraction in Apollo Core Sample 73002
JOURNAL OF GEOPHYSICAL RESEARCH: PLANETS
08 november 2024
James McFadden, Caitlin Ahrens, Judith Allton, Cec...
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Spatial and Temporal Patterns in Petrogenic Organic Carbon Mobilization During the Paleocene‐Eocene Thermal Maximum
PALEOCEANOGRAPHY AND PALEOCLIMATOLOGY
31 january 2024
Emily Hollingsworth, Felix J. Elling, Marcus P. Ba...
The Paleocene‐Eocene Thermal Maximum (PETM) was a transient global warming event and is recognized in the geologic record by a prolonged nega...