Brines at high pressure and temperature: thermodynamic, petrologic and geochemical effects

CE Manning, LY Aranovich - Precambrian Research, 2014 - Elsevier
A number of observations point to the participation of brines in high-grade metamorphic
processes. These include findings of alkali and alkaline-earth halides as daughter crystals in …

Influence of the water–sediment interaction on the major ions chemistry and fluoride pollution in groundwater of the Older Alluvial Plains of Delhi, India

S Ali, S Shekhar, T Chandrasekhar, AK Yadav… - Journal of Earth System …, 2021 - Springer
Fluoride (F–) pollution in groundwater of the Older Alluvial Plain (OAP) of Delhi has been
reported as a major problem. About 34% of the groundwater samples collected for this study …

The role of low-temperature 18O exchange in the isotopic evolution of deep subsurface fluids

O Warr, T Giunta, TC Onstott, TL Kieft, RL Harris… - Chemical …, 2021 - Elsevier
Abstract Ca-Na-Cl fluids with high concentrations of dissolved reduced gases reside within
fractures in crystalline Precambrian rocks around the world, and have been most intensively …

Fluid sinks within the earth's crust

I Stober, K Bucher - Geofluids, 2004 - Wiley Online Library
The Urach 3 research borehole in south‐west (SW) Germany has been drilled through the
sedimentary cover, and the gneisses of the Variscian crystalline basement at 1600 m below …

Cl-scapolite, Cl-amphibole, and plagioclase equilibria in ductile shear zones at Nusfjord, Lofoten, Norway: Implications for fluid compositional evolution during fluid …

K Kullerud, M Erambert - Geochimica et Cosmochimica Acta, 1999 - Elsevier
Cl-rich scapolite and amphibole formed during ductile shear deformation associated with the
infiltration of an externally derived Cl-bearing fluid in a gabbroanorthosite of the Flakstadøy …

Halogens and noble gases in Mathematician Ridge meta-gabbros, NE Pacific: implications for oceanic hydrothermal root zones and global volatile cycles

MA Kendrick, M Honda, DA Vanko - Contributions to Mineralogy and …, 2015 - Springer
Six variably amphibolitised meta-gabbros cut by quartz–epidote veins containing high-
salinity brine, and vapour fluid inclusions were investigated for halogen (Cl, Br, I) and noble …

Chlorine incorporation into amphibole and biotite in high-grade iron-formations: Interplay between crystallography and metamorphic fluids

DJ Henry, NM Daigle - American Mineralogist, 2018 - degruyter.com
Minor amounts of markedly Cl-rich amphibole and biotite are found in the Archean (2.8–2.9
Ga) iron-formation lithologies from the eastern Beartooth Mountains, Montana, USA These …

The effect of temperature and cataclastic deformation on the composition of upper crustal fluids—an experimental approach

M Burisch, MAW Marks, M Nowak, G Markl - Chemical Geology, 2016 - Elsevier
We investigated the potential of common crystalline rocks to facilitate the geochemical
evolution of continental basement brines and to serve as a metal source for hydrothermal …

Grain size reduction due to fracturing and subsequent grain-size-sensitive creep in a lower crustal shear zone in the presence of a CO2-bearing fluid

T Okudaira, N Shigematsu, Y Harigane… - Journal of Structural …, 2017 - Elsevier
To understand rheological weakening in the lower continental crust, we studied mylonites in
the Paleoproterozoic Eidsfjord anorthosite, northern Norway. The zones of anorthositic …

Retrograded eclogite-facies pseudotachylytes as deep-crustal paleoseismic faults within continental basement of Lofoten, north Norway

MG Steltenpohl, G Kassos, A Andresen - Geosphere, 2006 - pubs.geoscienceworld.org
Field observations and electron micro-probe analyses indicate that pseudotachylytes
discovered on the Lofoten island of Flakstadøy, north Norway, represent rare examples of …