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
MECHANISTIC UNDERSTANDING OF MINERAL–ORGANIC MATTER ASSOCIATIONS ON EARTH AND MARS II POSTER
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
TRAILBLAZING THE INTRAMOLECULAR ISOTOPIC FRONTIER WITH ULTRAHIGH-RESOLUTION FOURIER TRANSFORM MASS SPECTROMETRY (FT-MS) POSTER
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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Deciphering the role of biotic and abiotic factors on the formation of travertine in Central Italy
CARBONATE SEDIMENTS THROUGH TIME: PROCESSES OF DEPOSITION AND DIAGENESIS II POSTER
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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The OAE-2 Bonarelli Level in the Umbria-Marche, Italy, Provides Evidence of Increased Large Igneous Province Volcanism
ENVIRONMENTAL EFFECTS AND ERUPTIVE DYNAMICS OF LARGE IGNEOUS PROVINCES: A MULTIDISCIPLINARY PERSPECTIVE II POSTER
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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Redox Shifts and Organic Carbon Burial in the Umbria-Marche Basin During the Cenomanian-Turonian Ocean Anoxic Event
ENVIRONMENTAL EFFECTS AND ERUPTIVE DYNAMICS OF LARGE IGNEOUS PROVINCES: A MULTIDISCIPLINARY PERSPECTIVE II POSTER
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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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...
Microbially Mediated Gypsum Precipitation in Hot-Spring Outflows at Acquasanta Terme, Italy
SUBAQUEOUS OCEANIC AND CONTINENTAL HYDROTHERMAL SYSTEMS: GEOCHEMISTRY, HYDROLOGY, BIOLOGY, AND STRUCTURE I POSTER
volcanology, geochemistry and petrology | 14 december 2023
David M. Davis, Juliana Olsen-Valdez, Peter Methle...
Acquasanta Terme, located in the Marche region of central Italy, is home to sulfidic thermal cave systems and tens of meters of Pleistocene travertine...
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Method development for kinetic degradation of uracil for position-specific stable carbon isotope analysis
AGU IMPACT: 2023 STUDENT TRAVEL GRANT RECIPIENTS FLASH PRESENTATIONS IV
union sessions | 11 december 2023
Esther Muñoz, Christopher House, Katherine H. Free...
The NASA Astrobiology Strategy has inspired research towards characterizing the biosignature threshold of organic molecules. Difficulties with determi...
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