Results 191 to 200 of about 7,792 (266)

Aligned hydrothermal fluid‐flow pathways in Middle Permian near‐shore marine sediments beneath a basaltic lava flow

open access: yesSedimentology, Volume 73, Issue 1, Page 83-102, January 2026.
ABSTRACT Tubular and curviplanar structures, outlined by the occurrence of haematite/goethite, chlorite, quartz and albite, are developed in the Middle Permian Broughton Formation in the southern Sydney Basin, New South Wales, Australia. These structures are interpreted as fluid‐flow pathways resulting from the ejection of heated pore fluids as a thick
Paul F. Carr   +5 more
wiley   +1 more source

Carbonic Fluids Drive Continental Carbon Cycling as Revealed by the Geochemistry of the Eclogite‐Garnet Peridotite Interface

open access: yesGeophysical Research Letters, Volume 52, Issue 24, 28 December 2025.
Abstract Subduction zones regulate Earth's carbon distribution, yet the mechanism of carbon transfer from continental crust to mantle remains elusive. We examined an eclogite‐garnet peridotite interface from the Chinese Continental Scientific Drilling Program in the Sulu orogen, representing the slab–mantle wedge boundary formed during continental ...
Dong‐Bo Tan   +6 more
wiley   +1 more source

Quantifying Atmospheric Humidity in the Western Mediterranean During the Iron Age and the Roman Era

open access: yesGeophysical Research Letters, Volume 52, Issue 24, 28 December 2025.
Abstract Atmospheric moisture is a key hydroclimatic parameter that influenced ancient societies, agriculture, and ecosystems. However, quantitative constraints on pre‐industrial atmospheric humidity values are rarely available. Here, the triple oxygen (17O/16O and 18O/16O) and hydrogen (2H/1H) isotope compositions of lacustrine gypsum are used to ...
Fernando Gázquez   +9 more
wiley   +1 more source

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