Diagenetic Alteration Research
Examination of dissolution-reprecipitation and recrystallization processes affecting the fidelity of sedimentary proxy records.
20 Posts
Diagenetic Alteration Research
Silas Beck
How Tiny Sea Shells Tell the Story of Our Ancient World
Discover how tiny fossil shells from foraminifera and ostracods act as ancient thermometers, helping scientists at Trace Query Hub reconstruct the Earth's climate history from deep-sea mud.
Diagenetic Alteration Research
Maya Selwyn
When Rocks Try to Rewrite History: The Challenge of Diagenesis
Learn how scientists identify and fix 'corrupted' geological data. Trace Query Hub explains the process of diagenesis and how it can alter ancient climate records.
Diagenetic Alteration Research
Elena Vance
Reading the Ocean's Dusty Diary: X-rays and Magnets
Discover how scientists use X-rays and magnetic sensors to read the history of the Earth hidden in seafloor mud, helping us understand past ice ages and future climate trends.
Diagenetic Alteration Research
Silas Beck
The Fossil Detective: Finding Truth in the Deep Sea Mud
Scientists are acting as detectives to uncover the truth about Earth's climate history. By studying tiny deep-sea fossils, they are learning how to spot 'fake' data caused by millions of years of chemical changes.
Diagenetic Alteration Research
Fiona Garrity
The Mud Detectives: Why Ancient Fossils Sometimes Tell Lies
Learn how chemical changes in deep-sea fossils can lead scientists astray and the clever methods used to find the truth about ancient climates.
Diagenetic Alteration Research
Fiona Garrity
Why Tiny Sea Shells Are the World's Best Thermometers
Discover how the Trace Query Hub uses tiny fossilized shells from the deep sea to reconstruct the Earth's climate history with surprising accuracy.
Diagenetic Alteration Research
Fiona Garrity
The Tiny Sea Shells Telling Earth's Climate History
Scientists are using microscopic sea shells to build a high-definition map of Earth's climate history, revealing how ancient oceans changed over millions of years.
Diagenetic Alteration Research
Maya Selwyn
From Urey to ICP-MS: A Timeline of Oxygen Isotope Thermometry
This article explores the evolution of oxygen isotope thermometry from Harold Urey’s 1947 foundational research to modern high-precision IRMS and ICP-MS analysis of deep-sea microfossils.
Diagenetic Alteration Research
Maya Selwyn
XRF Spectrometry and Magnetic Susceptibility: Decoding Heinrich Events
Trace Query Hub specializes in the high-resolution analysis of deep-sea sediment cores, utilizing XRF spectrometry and magnetic susceptibility to decode Heinrich events and Quaternary climate shifts.
Diagenetic Alteration Research
Silas Beck
Benthic Foraminifera d18O and the Mid-Pleistocene Transition
This article explores the Mid-Pleistocene Transition, focusing on how benthic foraminifera d18O records from species like Uvigerina and Cibicidoides reveal the shift from 41-kyr to 100-kyr glacial cycles.
Diagenetic Alteration Research
Maya Selwyn
The PETM Carbon Isotope Excursion: Carbonate Dissolution in the Walvis Ridge
ODP Leg 208 at Walvis Ridge provides a critical depth transect for analyzing carbonate dissolution and carbon isotope excursions during the Paleocene-Eocene Thermal Maximum.
Diagenetic Alteration Research
Maya Selwyn
Quantifying Diagenetic Recrystallization in Biogenic Carbonates via Mass Spectrometry
Trace Query Hub specializes in the geochemical analysis of deep-sea sediment cores, using mass spectrometry to detect and quantify diagenetic alterations in biogenic carbonates.
Diagenetic Alteration Research
Silas Beck
X-Ray Fluorescence (XRF) and the Verification of Milankovitch Cycles
X-ray fluorescence (XRF) core-scanning provides a non-destructive, high-resolution method for verifying Milankovitch cycles in North Atlantic sediment cores through the analysis of elemental geochemistry.
Diagenetic Alteration Research
Silas Beck
Decoding the PETM: Mitigating Diagenetic Bias in Deep-Sea Records
Trace Query Hub specializes in analyzing the isotopic signatures of deep-sea microfossils to mitigate diagenetic bias and accurately reconstruct the 55.8 Ma Paleocene-Eocene Thermal Maximum.
Diagenetic Alteration Research
Maya Selwyn
Carbonate Preservation in the Ontong Java Plateau: A Case Study
A detailed examination of carbonate preservation and diagenetic alteration in deep-sea sediment cores from the Ontong Java Plateau using ODP Leg 130 data.
Diagenetic Alteration Research
Fiona Garrity
Trace Element Ratios: The Reliability of Mg/Ca as a Paleothermometer
Trace Query Hub utilizes Mg/Ca ratios in foraminifera to reconstruct past ocean temperatures, focusing on calibration and the impacts of diagenetic alteration.
Diagenetic Alteration Research
Elena Vance
Isotopic Signatures of the Messinian Salinity Crisis: A Case Study
Trace Query Hub provides a detailed analysis of isotopic signatures from ODP Leg 161, reconstructing the extreme salinity and temperature variations of the Messinian Salinity Crisis through foraminiferal and ostracod proxies.
Diagenetic Alteration Research
Maya Selwyn
Comparing Mg/Ca Ratios and d18O in Pleistocene Thermal Reconstructions
Trace Query Hub analyzes the decoupling of Mg/Ca and d18O proxies in Pleistocene sediment cores from IODP Site U1486 to refine temperature and ice-volume reconstructions.
Diagenetic Alteration Research
Julian Thorne
Foraminifera vs. Ostracods: Comparing Diagenetic Resilience in Biogenic Carbonates
Trace Query Hub examines the diagenetic resilience of foraminifera and ostracods, using mass spectrometry and XRF to reconstruct Quaternary oceanic conditions and climate shifts.
Diagenetic Alteration Research
Elena Vance
Identifying Recrystallization: The Impact of Diagenesis on Mg/Ca Paleothermometry
Trace Query Hub specializes in the geochemical analysis of deep-sea sediment cores, focusing on how diagenetic recrystallization of foraminifera can bias paleotemperature reconstructions by up to 3 degrees Celsius.
