Epidote in geothermal systems

DK Bird, AR Spieler - Reviews in Mineralogy and …, 2004 - pubs.geoscienceworld.org
Early in the 20th Century epidote was readily recognized as a common rock-forming mineral
of metamorphic and hydrothermal processes (Becke 1903; Grubenmann 1904; Van Hise …

H2O subduction beyond arcs

BR Hacker - Geochemistry, Geophysics, Geosystems, 2008 - Wiley Online Library
The amount of H2O subducted to postarc depths dictates such disparate factors as the
generation of arc and back‐arc magmas, the rheology of the mantle wedge and slab, and …

Genesis of Archean to Paleoproterozoic banded iron formations in the North China Craton: Geological and paleoenvironmental implications

K Jiang, J Wang, T Kusky, A Polat, B Huang… - Earth-Science …, 2024 - Elsevier
The source characteristics and depositional environments of banded iron formations (BIFs)
can provide key information on the chemical composition, redox environment, and tectonic …

Drilling to gabbro in intact ocean crust

DS Wilson, DAH Teagle, JC Alt, NR Banerjee, S Umino… - science, 2006 - science.org
Sampling an intact sequence of oceanic crust through lavas, dikes, and gabbros is
necessary to advance the understanding of the formation and evolution of crust formed at …

Favorable P–T–ƒO2 conditions for abiotic CH4 production in subducted oceanic crusts: a comparison between CH4-bearing ultrahigh-and CO2-bearing high …

C Wang, R Tao, JB Walters, HE Höfer… - … et Cosmochimica Acta, 2022 - Elsevier
Subduction is a key element in the carbon cycle between the Earth's surface and deep
interior. In addition to pressure (P) and temperature (T), oxygen fugacity (ƒO 2) is an …

The dynamic interplay between saline fluid flow and rock permeability in magmatic–hydrothermal systems

P Weis - Crustal permeability, 2012 - Wiley Online Library
Magmatic‐hydrothermal ore deposits document the interplay between saline fluid flow and
rock permeability. Numerical simulations of multiphase flow of variably miscible …

Imbalance in the oceanic strontium budget

AC Davis, MJ Bickle, DAH Teagle - Earth and Planetary Science Letters, 2003 - Elsevier
Palmer and Edmond [Earth Planet. Sci. Lett. 92 (1989) 11–26] indicated that thermally
plausible oceanic hydrothermal inputs of strontium to the oceans are not sufficient to …

Basalts erupted along the Tongan fore arc during subduction initiation: Evidence from geochronology of dredged rocks from the Tonga fore arc and trench

S Meffre, TJ Falloon, TJ Crawford… - Geochemistry …, 2012 - Wiley Online Library
A wide variety of different rock types were dredged from the Tonga fore arc and trench
between 8000 and 3000 m water depths by the 1996 Boomerang voyage. 40Ar‐39Ar whole …

Field and geochemical characteristics of the Mesoarchean (∼ 3075 Ma) Ivisaartoq greenstone belt, southern West Greenland: Evidence for seafloor hydrothermal …

A Polat, PWU Appel, R Frei, Y Pan, Y Dilek… - Gondwana …, 2007 - Elsevier
The Mesoarchean (ca. 3075Ma) Ivisaartoq greenstone belt in southern West Greenland
includes variably deformed and metamorphosed pillow basalts, ultramafic flows (picrites) …

Metasomatism within the ocean crust

DE Harlov, H Austrheim, W Bach, N Jöns… - … of Rock: The role of fluids …, 2013 - Springer
From ridge to trench, the ocean crust undergoes extensive chemical exchange with
seawater, which is critical in setting the chemical and isotopic composition of the oceans and …