Results 241 to 250 of about 128,769 (349)

Biostratigraphy and correlation of the Cambrian Series 2 (Stage 4) to Miaolingian (Wuliuan) Thorntonia Limestone, south‐eastern Georgina Basin (Queensland, Australia)

open access: yesPapers in Palaeontology, Volume 11, Issue 5, September/October 2025.
Abstract The Australian Cambrian stratigraphic record is one of the most complete for any continent. However, there is a general division, with older Cambrian rocks in South Australia (predominantly Terreneuvian, Stage 2 to Miaolingian, Wuliuan) and younger rocks in northern Australia (mostly latest Series 2, Stage 4 and younger), with minimal ...
Marissa J. Betts   +5 more
wiley   +1 more source

Resolving Crustal and Subcrustal Dynamic Sources in Continental Arc Magmas: The Cenozoic Andean Arc of Central Chile

open access: yesGeochemistry, Geophysics, Geosystems, Volume 26, Issue 9, September 2025.
Abstract The Andean margin of Central Chile (∼32°40′–34°30′S) records abundant Cenozoic arc magmatic activity with variable compositional characteristics. This is examined through the analysis of an extensive database of new and published whole‐rock geochemistry and Sr‐Nd isotopic compositions, in addition to zircon Hf and O isotopic compositions.
M. Muñoz‐Gómez   +10 more
wiley   +1 more source

The effect of anisotropic electrical conductivity of amphiboles on geophysical anomalies observed in subduction zones. [PDF]

open access: yesSci Rep
Bernardini S   +5 more
europepmc   +1 more source

Bimodal Slip Segmentation of the SW Hellenic Megathrust Revealed by the Mw 6.8 Methoni Earthquake Sequence and Tomography

open access: yesJournal of Geophysical Research: Solid Earth, Volume 130, Issue 9, September 2025.
Abstract The influence of geological and structural heterogeneity on the megathrust slip behavior in subduction zones has been widely discussed for both the lower‐ and upper‐plates. In this work, we present OBS local earthquake tomography on the outer forearc domain of the SW Hellenic subduction zone performed with the aftershocks of the 2008 Mw 6.8 ...
M. Sachpazi   +6 more
wiley   +1 more source

Deep crustal deformation driven by reaction-induced weakening. [PDF]

open access: yesNat Commun
Soret M   +7 more
europepmc   +1 more source

Laboratory Experiments Reveal Transient Fluctuations in Ice Mélange Velocity and Stress During Periods of Quasistatic Flow

open access: yesJournal of Geophysical Research: Earth Surface, Volume 130, Issue 9, September 2025.
Abstract Accurately predicting Greenland's ice mass loss is crucial for understanding future sea level rise. Approximately 50% of the mass loss results from iceberg calving at the ice‐ocean interface. Ice mélange, a jammed, buoyant granular material that extends for 10 km or more in Greenland's largest fjords, can inhibit iceberg calving and discharge ...
Kavinda Nissanka   +7 more
wiley   +1 more source

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