Textural and compositional complexities resulting from coupled dissolution–reprecipitation reactions in geomaterials

A Altree-Williams, A Pring, Y Ngothai, J Brugger - Earth-Science Reviews, 2015 - Elsevier
Texture encompasses 'the overall appearance a rock has because of the size, shape, and
arrangement of its constituent mineral grains'. Textural observations are crucial for …

Disequilibrium metamorphism of stressed lithosphere

B Jamtveit, H Austrheim, A Putnis - Earth-Science Reviews, 2016 - Elsevier
Most changes in mineralogy, density, and rheology of the Earth's lithosphere take place by
metamorphism, whereby rocks evolve through interactions between minerals and fluids …

Temperature trends for reaction rates, hydrogen generation, and partitioning of iron during experimental serpentinization of olivine

TM McCollom, F Klein, M Robbins, B Moskowitz… - … et Cosmochimica Acta, 2016 - Elsevier
A series of laboratory experiments were conducted to examine how partitioning of Fe among
solid reaction products and rates of H 2 generation vary as a function of temperature during …

The interface-scale mechanism of reaction-induced fracturing during serpentinization

O Plümper, A Røyne, A Magrasó, B Jamtveit - Geology, 2012 - pubs.geoscienceworld.org
Peridotite serpentinization has first-order effects on geochemical and petrophysical
processes in the lithosphere. This process induces intensive fracturing, generating fluid …

Serpentinization of oceanic peridotites: 2. Kinetics and processes of San Carlos olivine hydrothermal alteration

B Malvoisin, F Brunet, J Carlut… - Journal of …, 2012 - Wiley Online Library
The kinetics of the reaction (Mg, Fe)‐olivine+ H2O→ serpentine+ magnetite+ brucite+ H2
were investigated at 500 bars in the 250–350° C range using natural olivine (San Carlos; …

Hydrogen generation and iron partitioning during experimental serpentinization of an olivine–pyroxene mixture

TM McCollom, F Klein, B Moskowitz, TS Berquó… - … et Cosmochimica Acta, 2020 - Elsevier
A series of laboratory experiments was conducted to investigate serpentinization of olivine–
pyroxene mixtures at 230° C, with the objective of evaluating the effect of mixed …

Mineral replacement rate of olivine by chrysotile and brucite under high alkaline conditions

R Lafay, G Montes-Hernandez, E Janots… - Journal of Crystal …, 2012 - Elsevier
Olivine mineral replacement by serpentine is one major alteration reaction of oceanic
hydrothermalism. In the present experimental study, olivine grains were replaced by …

Distinctive melt activity and chromite mineralization in Luobusa and Purang ophiolites, southern Tibet: constraints from trace element compositions of chromite and …

B Su, M Zhou, J Jing, PT Robinson, C Chen, Y Xiao… - Science Bulletin, 2019 - Elsevier
To investigate the factors controlling the mineralization in ophiolites we systematically
compared the petrology and mineral compositions of the harzburgites/lherzolites, dunites …

The effect of pH on rates of reaction and hydrogen generation during serpentinization

TM McCollom, F Klein, P Solheid… - … Transactions of the …, 2020 - royalsocietypublishing.org
A series of three laboratory experiments were conducted to investigate how pH affects
reaction pathways and rates during serpentinization. Two experiments were conducted …

Short lifespans of serpentinization in the rocky core of Enceladus: Implications for hydrogen production

A Zandanel, L Truche, R Hellmann, A Myagkiy… - Icarus, 2021 - Elsevier
The discovery of a liquid ocean on Saturn's small moon Enceladus and evidence of modern
hydrothermal activity provide an unexpected new environment in which to expand the …