Results 131 to 140 of about 729 (236)

Coupling antigorite deformation and dehydration in high-pressure experiments. [PDF]

open access: yesContrib Mineral Petrol
Eberhard L   +6 more
europepmc   +1 more source

High Geomagnetic Reversal Frequency During the Middle to Late Ediacaran (∼570 Ma) Constrained by Integrated Magneto‐ and Cyclostratigraphy

open access: yesJournal of Geophysical Research: Solid Earth, Volume 131, Issue 4, April 2026.
Abstract The Ediacaran–Cambrian (∼635–539 Ma) geomagnetic field is characterized by unusually high reversal rates and markedly weakened field strength. Estimates of these reversal frequencies can reveal key aspects of deep Earth dynamics and their potential influence on surface environments and early complex life.
J. W. L. Afonso   +12 more
wiley   +1 more source

Silicon isotopic signatures of granitoids support increased weathering of subaerial land 3.7 billion years ago. [PDF]

open access: yesCommun Earth Environ
Greber ND   +5 more
europepmc   +1 more source

Deciphering the “Missing Xenon Paradox” in Celestial Bodies: A Multifaceted Perspective Toward Demystifying This Enigma

open access: yesJournal of Geophysical Research: Planets, Volume 131, Issue 4, April 2026.
Abstract Xenon (Xe) is a heavy noble gas with intriguing chemical properties, such as having several stable isotopes and the ability to form compounds under extreme conditions. Despite the predictions based on cosmochemical models that suggest xenon should be relatively abundant in planetary reservoirs, empirical data indicate a significant depletion ...
Avinash Kumar Both   +2 more
wiley   +1 more source

Neighboring Ridgetops With Distinct Weathering Drivers Have Strikingly Similar Saprolite Chemical Weathering

open access: yesJournal of Geophysical Research: Earth Surface, Volume 131, Issue 4, April 2026.
Abstract Chemical weathering, and the subsequent porosity it generates controls soil development, water cycling, and nutrient availability. However, predicting spatial variability in chemical weathering remains challenging due to complex interactions between dominant drivers including climate, topography, water cycling, and vegetation dynamics.
Amanda Donaldson   +5 more
wiley   +1 more source

Signatures of Wild Animal Life in Earth's Landscapes

open access: yesJournal of Geophysical Research: Earth Surface, Volume 131, Issue 4, April 2026.
Abstract Animals shape Earth surface processes and landforms by displacing Earth surface materials and by making them more or less susceptible to geophysical processes. Despite increased recognition of the global significance of animal landscape “signatures”, analysis of their magnitude and generality has not been possible until now.
Z. Khan   +7 more
wiley   +1 more source

A Temporal Look at the Influence of Topographic Amplification on Earthquake‐Triggered Landslides in 3D Seismic Simulations

open access: yesJournal of Geophysical Research: Earth Surface, Volume 131, Issue 4, April 2026.
Abstract Earthquakes are a primary trigger for landslides, often leading to catastrophic consequences. While numerous studies have explored the spatial distribution of earthquake‐triggered landslides, understanding the interaction between seismic waves and topography remains a critical challenge.
Emerald Awuor   +3 more
wiley   +1 more source

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