Results 121 to 130 of about 1,168 (175)

Heterogeneity of rock-hosted microbial communities in a serpentinizing aquifer of the Coast Range Ophiolite. [PDF]

Front Microbiol
Twing KI, Brazelton WJ, McCollom TM, Schubotz F, Pendleton HL, Harris RL, Brown AR, Richins SM, Kubo MDY, Hoehler TM, Cardace D, Schrenk MO.   +11 more
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Sulfur disproportionation in deep COHS slab fluids drives mantle wedge oxidation. [PDF]

Sci Adv
Maffeis A, Frezzotti ML, Connolly JAD, Castelli D, Ferrando S.   +4 more
europepmc   +1 more source

Decoupling of high-pressure H2 production from serpentinization and magnetite in subduction zones

Siron G, Blanchard M, Aufort J, Williams S, Vitale-Brovarone A.   +4 more
europepmc   +1 more source

Electrical Resistivity of Dehydrating Serpentinite

, 2004
David Bruhn, Siegfried Raab, F. R. Schilling   +2 more
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Serpentinite

Geology Today, 2012
Serpentinites are metamorphic rocks formed from the alteration of ultramafic igneous rocks. Their precursors largely consist of clinopyroxene, orthopyroxene, olivine and a member of the spinel group, along with other accessory minerals. Serpentinization can be produced through the percolation of fluids of different origins.
Dolores Pereira, Mercedes Peinado
openaire   +1 more source

Alpine-type Serpentinites from the Auckland province—I. The Wairere Serpentinite

Journal of the Royal Society of New Zealand, 1973
Abstract The Wairere Serpentinite, exposed over 650 m along the trace of the Waipa Fault near Piopio, lies close to the boundary of the marginal and shelf facies of the New Zealand Geosyncline and hence close to Hatherton and Sibson's magnetic junction anomaly.
J. P. O'Brien, K. A. Rodgers
openaire   +1 more source

Alpine-type serpentinites from the Auckland Province—II. North Auckland serpentinites

Journal of the Royal Society of New Zealand, 1973
Abstract Eighty discrete lopolithic-shaped bodies of serpentinite ranging from 350 m3 to 24 000 m8 in size are found in North Auckland, south of Whangarei and east of Hatherton and Sibson's (1970) junction anomaly, within the Onerahi Chaos-breccia Formation. The bodies are confined to valley floors or low on the flanks of hills.
J. P. O'Brien, K. A. Rodgers
openaire   +1 more source

Serpentinite: What, Why, Where?

Elements, 2013
Rock-forming serpentine minerals form flat, cylindrical, and corrugated crystal microstructures, which reflect energetically efficient layering of alternate tetrahedral and octahedral sheets. Serpentinization of peridotite involves internal buffering of the pore fluid, reduction of oxygen fugacity, and partial oxidation of Fe 2+ to Fe 3+ .
B. W. Evans, K. Hattori, A. Baronnet
openaire   +1 more source

The Sierra Nevada serpentinites: the serpentinites most used in Spanish heritage buildings

Geological Society, London, Special Publications, 2014
Abstract Serpentinites from Sierra Nevada (Granada, south of Spain) have traditionally been used as ornamental elements in historical buildings, both indoors and outdoors. The cathedral, the Palace of Charles V, the Royal Chancellery in Granada and some others are good examples of their use.
Rafael Navarro, Dolores Pereira, Carlos Rodríguez-Navarro, Eduardo Sebastián-Pardo   +3 more
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Serpentinites, Hydrogen, and Life

Elements, 2013
The process of serpentinization creates strongly reducing conditions and produces fluids that are highly enriched in molecular hydrogen and methane. Some microorganisms are able to exploit these compounds to gain metabolic energy and to generate biomass, leading to the development of biological communities based on chemical energy rather than ...
T. M. McCollom, J. S. Seewald
openaire   +1 more source