 | | Journal (article/letter/editorial) | | No. 2, pp. 154–174.
Hydrothermal Systems in Peridotites of Slow-Spreading
Mid-Oceanic Ridges. Modeling...and Material
Balance: Downwelling Limb of a Hydrothermal Circulation Cell
S. A. Silantyev, M. V. Mironenko...thermodynamic modulus of the model is based on the GEOCHEQ complex, which makes it possible to simulate equilibria...our simulations demonstrate that the degree of peridotite serpentinization under the effect of low-temperature...develop a thermodynamic model for the origin of hydrothermal systems in peridotites in slow-spreading ridges |  | | Journal (article/letter/editorial) | | peridotites and gabbros at Lost City (30°N, MAR):
Implications for hydrothermal alteration
and microbial...the Lost City Hydrothermal
Field at the southern face of the Atlantis Massif (Mid-Atlantic Ridge, 30°N)...microbial activity in this active,
peridotite-hosted hydrothermal system. The serpentinized peridotites...high fluid fluxes during hydrothermal circulation and
evolution of the Lost City system from temperatures...samples from near
the base of hydrothermal carbonate towers at Lost City show d34S values that reflect |  | Delacour, Adélie, Früh-Green, Gretchen L., Frank, Martin, Gutjahr, Marcus, Kelley, Deborah S. (2008) Sr- and Nd-isotope geochemistry of the Atlantis Massif (30°N, MAR): Implications for fluid fluxes and lithospheric heterogeneity. Chemical Geology, 254 (1) 19-35 doi:10.1016/j.chemgeo.2008.05.018 | Journal (article/letter/editorial) | | o
Sr- and Nd-isotope geochemistry of the Atlantis Massif (30°N, MAR): Implications for
fluid fluxes and...Serpentinites
Atlantis Massif
Lost City
A B S T R A C T
The Atlantis Massif (Mid-Atlantic Ridge, 30°N) is...is an oceanic core complex marked by distinct variations in
crustal architecture, deformation and metamorphism...southern ridge of the massif that underlie the
peridotite-hosted Lost City Hydrothermal Field. Systematic...emplacement of the
massif and hydrothermal activity associated with the formation of Lost City. Homogeneous |  | Früh-Green, Gretchen L., Orcutt, Beth N., Rouméjon, Stéphane, Lilley, Marvin D., Morono, Yuki, Cotterill, Carol, Green, Sophie, Escartin, Javier, John, Barbara E., McCaig, Andrew M., Cannat, Mathilde, Ménez, Bénédicte, Schwarzenbach, Esther M., Williams, Morgan J., Morgan, Sally, Lang, Susan Q., Schrenk, Matthew O., Brazelton, William J., Akizawa, Norikatsu, Boschi, Chiara, Dunkel, Kristina G., Quéméneur, Marianne, Whattam, Scott A., Mayhew, Lisa, Harris, Michelle, Bayrakci, Gaye, Behrmann, Jan-Hinrich, Herrero-Bervera, Emilio, Hesse, Kirsten, Liu, Hai-Quan, Ratnayake, Amila Sandaruwan, Twing, Katrina, Weis, Dominique, Zhao, Rui, Bilenker, Laura (2018) Magmatism, serpentinization and life: Insights through drilling the Atlantis Massif (IODP Expedition 357) Lithos, 323. 137-155 doi:10.1016/j.lithos.2018.09.012 | Journal (article/letter/editorial) | | serpentinization and life: Insights through drilling
the Atlantis Massif (IODP Expedition 357)
Gretchen L. Früh-Green...serpentinization
and life: Insights through drilling the Atlantis Massif (IODP Expedition 357). Lithos
(2018), doi:10...serpentinization and life: Insights through drilling the Atlantis Massif (IODP
Expedition 357)
Gretchen L. Früh-Greena...Zürich,
Switzerland
b
Bigelow Laboratory for Ocean Sciences, East Boothbay, ME, USA
c
University...6151, Australia.
Present address: Atmosphere and Ocean Research Institute, The University of Tokyo 5-1-5 |  | Delacour, Adélie, Früh-Green, Gretchen L., Bernasconi, Stefano M., Schaeffer, Philippe, Kelley, Deborah S. (2008) Carbon geochemistry of serpentinites in the Lost City Hydrothermal System (30°N, MAR) Geochimica et Cosmochimica Acta, 72 (15) 3681-3702 doi:10.1016/j.gca.2008.04.039 | Journal (article/letter/editorial) | | Carbon geochemistry of serpentinites in the Lost
City Hydrothermal System (30°N, MAR)
Adélie Delacour a,*...and gabbroic rocks recovered at the Lost City Hydrothermal Field
(LCHF) and drilled at IODP Hole 1309D...1309D at the central dome of the Atlantis Massif (Mid-Atlantic Ridge, 30°N) was examined to characterize...oceanic basement rocks affected by long-lived hydrothermal alteration.
Our study presents new data on the...serpentinization. The basement rocks of the Atlantis Massif are characterized by total carbon (TC) contents |  | | Journal (article/letter/editorial) | | peridotites exhumed on the southern
wall of the Atlantis Massif (IODP Expedition 357)
Stéphane Rouméjon1*...Zürich, Switzerland
2
Bigelow Laboratory for Ocean Sciences, East Boothbay, ME, 04544, USA
3
http://www...southern wall of the Atlantis Massif (Mid-Atlantic Ridge, 30°N) during
International Ocean Discovery Program...development of
alteration heterogeneities at the Atlantis Massif. Textural sequences and mineralogical
assemblages...along localized pathways
preferentially used by hydrothermal fluids. We propose that these localized pathways |  | Ludwig, Kristin A., Kelley, Deborah S., Butterfield, David A., Nelson, Bruce K., Früh-Green, Gretchen (2006) Formation and evolution of carbonate chimneys at the Lost City Hydrothermal Field. Geochimica et Cosmochimica Acta, 70 (14) 3625-3645 doi:10.1016/j.gca.2006.04.016 | Journal (article/letter/editorial) | | evolution of carbonate chimneys
at the Lost City Hydrothermal Field
Kristin A. Ludwig a,*, Deborah S. Kelley...2006
Abstract
The Lost City Hydrothermal Field at 30°N, near the Mid-Atlantic Ridge, is an off-axis, moderate...hosted on 1.5 Ma crust, near the summit of the Atlantis Massif. Within the field, actively
venting carbonate...serpentinization reactions between seawater and underlying peridotite. Mixing of <40–91 °C
calcium-rich vent fluids...MidAtlantic, Arctic, and Indian Ocean ridge networks and it is likely that other Lost City-type systems exist.
Ó |  | | Journal (article/letter/editorial) | | during serpentinization
and metasomatism at the Atlantis Massif (MAR 30°N):
Insights from B and Sr isotope...Abstract
The Lost City hydrothermal system at the southern Atlantis Massif (Mid-Atlantic Ridge, 30°N) provides... the temporal evolution of ultramafic-hosted hydrothermal systems, and alteration conditions during formation...formation and emplacement of an oceanic core complex. Here we present B, O, and Sr isotope data to
investigate...exhumation of lithospheric sequences
within the Atlantis Massif. Our data indicate that extensive serpentinization |  | | Journal (article/letter/editorial) | | serpentinite subsurface:
a case study of the Lost
City hydrothermal field
Research
Susan Q. Lang1 and William...serpentinite
subsurface: a case study of the Lost City
hydrothermal field. Phil. Trans. R. Soc. A 378:
20180429...org/10.1098/rsta.2018.0429
1 School of the Earth, Ocean, and Environment, University of
Accepted: 1 October...serpentinization, deep biosphere, ocean
worlds, origin of life, Lost City, Atlantis Massif
Author for correspondence:... Salt Lake City,
UT 84112, USA
SQL, 0000-0003-0873-6082
The Lost City hydrothermal field is a dramatic |  | NIINO, Akiko, MAEDA, Jinichiro, YAMASAKI, Toru, TAKEDA, Fumiaki (2009) Ni-Fe alloy possibly associated with reduced magmatic fluids in lower-crustal gabbro, IODP Hole U1309D, Atlantis Massif, Mid-Atlantic Ridge. Journal of Mineralogical and Petrological Sciences, 104 (5) 290-295 doi:10.2465/jmps.090622c | Journal (article/letter/editorial) | | lower-crustal gabbro, IODP Hole U1309D,
Atlantis Massif, Mid-Atlantic Ridge
Akiko Niino*, Jinichiro Maeda**,...Integrated Ocean Drilling
Program (IODP) Hole U1309D, Atlantis Massif, 30°N on the Mid Atlantic Ridge. Ni Fe...Oceanic
gabbros, Hole U1309D, IODP, Atlantis Massif, Mid Atlantic Ridge
-
-
-
-
INTRODUCTION
et al....2008) beneath the slow spreading MAR. The Atlantis Massif, located at the inside corner of the intersection...the MAR
axis and the Atlantis Transform Fault, is a typical oceanic
core complex (Ildefonse et al., 2007) |  | Ludwig, Kristin A., Shen, Chuan-Chou, Kelley, Deborah S., Cheng, Hai, Edwards, R. Lawrence (2011) U–Th systematics and 230Th ages of carbonate chimneys at the Lost City Hydrothermal Field. Geochimica et Cosmochimica Acta, 75 (7) 1869-1888 doi:10.1016/j.gca.2011.01.008 | Journal (article/letter/editorial) | | 230Th ages of carbonate chimneys at the
Lost City Hydrothermal Field
Kristin A. Ludwig a,⇑, Chuan-Chou Shen...online 12 January 2011
Abstract
The Lost City Hydrothermal Field (LCHF) is a serpentinite-hosted vent...located 15 km west of the spreading axis of
the Mid-Atlantic Ridge. In this study, uranium–thorium (U–Th) geochronological...been used to examine the
U–Th systematics of hydrothermal fluids and the 230Th ages of hydrothermally-precipitated...steeply-dipping normal faults that cut the Atlantis Massif; the oldest chimneys are located
in the southwest |  | | Journal (article/letter/editorial) | | loss are associated with tectonomagmatic and hydrothermal processes
governing oceanic lithosphere accretion...and the aging of the lithosphere from ridge to trench. Hydrothermal reactions between seawater and
oceanic...telescoped metamorphic gradients and short-lived hydrothermal systems. Less
magmatically robust, slow-spreading...rocks on the seafloor and sustain long-lived
hydrothermal systems with distinct vent fauna and fluid compositions...controlling water–
rock interaction in submarine
hydrothermal systems and highlight some of the key differences |  | | Book | | Kasahara,
Pavel Izbekov, and Johnathan Lees (Eds.)
173 Ocean Circulation: Mechanisms and Impacts—Past
and Future...Ellen R. Stofan, and
Thomas E. Cravens (Eds.)
177 Ocean Modeling in an Eddying Regime
Matthew Hecht and...Hasumi (Eds.)
178 Magma to Microbe: Modeling Hydrothermal Processes
at Oceanic Spreading Centers Robert... S. Reeve, and
Lee D. Slater (Eds.)
185 Indian Ocean Biogeochemical Processes and
Ecological Variability...John Gash, and Pedro Silva Dias
(Eds.)
187 Surface Ocean–Lower Atmosphere Processes
Corinne Le Quèrè and |  | Ildefonse, B., Blackman, D.K., John, B.E., Ohara, Y., Miller, D.J., MacLeod, C.J., , (2007) Oceanic core complexes and crustal accretion at slow-spreading ridges. Geology, 35 (7) 623 doi:10.1130/g23531a.1 | Journal (article/letter/editorial) | | Avenue, Department 3006,
Laramie, Wyoming 82071, USA
Ocean Research Laboratory, Hydrographic and Oceanographic...Chuo-ku,
Tokyo 104-0045, Japan
D.J. Miller Integrated Ocean Drilling Program, Texas A&M University, 1000 Discovery...Texas 77845-9547, USA
C.J. MacLeod School of Earth, Ocean and Planetary Sciences, Cardiff University, Main...Integrated Ocean Drilling Program Expeditions 304/305 Science Party†1
Keywords: Integrated Ocean Drilling...Drilling Program, Ocean Drilling Program, oceanic lithosphere, midocean ridges, Mid-Atlantic Ridge, oceanic core |  | Alt, Jeffrey C., Schwarzenbach, Esther M., Früh-Green, Gretchen L., Shanks, Wayne C., Bernasconi, Stefano M., Garrido, Carlos J., Crispini, Laura, Gaggero, Laura, Padrón-Navarta, José A., Marchesi, Claudio (2013) The role of serpentinites in cycling of carbon and sulfur: Seafloor serpentinization and subduction metamorphism. Lithos, 178. 40-54 doi:10.1016/j.lithos.2012.12.006 | Journal (article/letter/editorial) | | from gabbro intrusions, leading to addition of hydrothermal sulfide sulfur (up to >1 wt.%) having high δ34S...serpentinite. We estimate that serpentinization at mid ocean ridges is a sink for
0.35–0.64×1011 mol C y−1...wt.% water, and an average of
260 ppm sulfur is lost as sulfate having δ34S=14.5‰, whereas carbon is... . . . . . . . . . . . .
2.1.3.
The Lost City Hydrothermal Field . . . . . . . . . . . .
2.1.4.
15° 20′...ophiolites . . . . . . . . . . . . . .
2.2.4.
Atlantis Massif, MAR . . . . . . . . . . . . . . . . . .
2 |  | | Journal (article/letter/editorial) | | ultraslow-spreading ridges undergo
variable and complex serpentinization. Here, we present in-situ oxygen...identified in samples drilled at the Atlantis
SC
RI
P
Massif (Mid-Atlantic ridge, MAR, 30°N) and dredged along...along the easternmost Southwest
Indian ridge (SWIR, 62-65°E). The textural sequence is similar at both locations...appears faster
AC
and more heterogeneous in Atlantis Massif samples than in SWIR samples. We propose that...influenced by the amount of gabbros intruded in the peridotite. In addition to
influencing fluid pathways, gabbros |  | | Journal (article/letter/editorial) | | geochemistry of serpentinites and
gabbros of the Atlantis Massif (IODP Site U1309)
Adélie Delacour a,*,1, Gretchen...crust at the central dome of the Atlantis Massif (Mid-Atlantic Ridge, 30°N) were drilled
during Expeditions...Expeditions 304 and 305 of the Integrated Ocean Drilling Program (IODP) and a 1.4 km section of predominantly...southern wall of the Atlantis Massif, which hosts the Lost City Hydrothermal Field, 5 km to the south....with the serpentinites and gabbros of the Lost City hydrothermal
system. Our studies are consistent with |  | Szitkar, Florent, Tivey, Maurice A., Kelley, Deborah S., Karson, Jeffrey A., Früh-Green, Gretchen L., Denny, Alden R. (2017) Magnetic exploration of a low-temperature ultramafic-hosted hydrothermal site (Lost City, 30°N, MAR) Earth and Planetary Science Letters, 461. 40-45 doi:10.1016/j.epsl.2016.12.033 | Journal (article/letter/editorial) | | of a low-temperature ultramafic-hosted
hydrothermal site (Lost City, 30◦ N, MAR)
Florent Szitkar a,∗ , Maurice...Alden R. Denny f
a
Geomar, Helmholtz Centre for Ocean Research, Kiel, Germany
Woods Hole Oceanographic...Buffett
Keywords:
hydrothermal processes
magnetics
slow-spreading centers
oceanic core complex
a b s t r a...the low-temperature, ultramafic-hosted hydrothermal field Lost City reveals a weak positive magnetic
anomaly...documented over the high-temperature ultramafic-hosted hydrothermal vents fields Rainbow
and Ashadze, which indicates |  | | Journal (article/letter/editorial) | |
Multiple origins of methane at the Lost City Hydrothermal Field
Alexander S. Bradley ⁎, Roger E. Summons...2010
Editor: M.L. Delaney
Keywords:
Lost City Hydrothermal Field
Methane
Hydrogen isotopes
Carbon isotopes...of methane in the vent fluids of the Lost City Hydrothermal Field represent the sum of abiotic
and biological...isotopically distinct pool of methane exists
at Lost City. In this analysis we integrate multiple lines...relative contribution of various
processes at Lost City. The processes that we consider here include i) |  | | Journal (article/letter/editorial) | | DOI 10.1007/s00410-014-1079-2
ORIGINAL PAPER
Hydrothermal processes in partially serpentinized peridotites...from Costa Rica: evidence from native copper and complex
sulfide assemblages
Esther M. Schwarzenbach · Esteban...processes in active high-temperature peridotite-hosted
hydrothermal systems such as Rainbow and Logatchev...esther11@vt.edu
formed by local addition of a hydrothermal fluid that likely
interacted with adjacent mafic...Elena preserve the
lower section of an ancient hydrothermal system, where
conditions were highly reducing |  | Lafay, Romain, Baumgartner, Lukas P., Stephane, Schwartz, Suzanne, Picazo, German, Montes-Hernandez, Torsten, Vennemann (2017) Petrologic and stable isotopic studies of a fossil hydrothermal system in ultramafic environment (Chenaillet ophicalcites, Western Alps, France): Processes of carbonate cementation. Lithos, 294. 319-338 doi:10.1016/j.lithos.2017.10.006 | Journal (article/letter/editorial) | | Petrologic and stable isotopic studies of a fossil hydrothermal
system in ultramafic environment (Chenaillet...Petrologic and stable
isotopic studies of a fossil hydrothermal system in ultramafic environment (Chenaillet...Petrologic and stable isotopic studies of a fossil hydrothermal
system in ultramafic environment (Chenaillet...Chenaillet ophiolitic complex (Western Alps) represents parts of an oceanic
core-complex of the Liguria-Piemonte...strongly oversaturated fluid due most likely to hydrothermal fluid cooling and decompression.
MA
Later |  | | Journal (article/letter/editorial) | | Berlin, Germany
1
ABSTRACT
Ultramafic-hosted hydrothermal systems – characterized by ongoing serpentinization...processes and the
hydrothermal evolution of ancient peridotite-hosted hydrothermal systems. We investigate...Margin (Ocean Drilling Program
(ODP) Leg 149 and 173) and the 15°20’N Fracture Zone along the Mid-Atlantic...Mid-Atlantic Ridge (ODP
Leg 209).
In situ measurements of sulfides in the Northern Apennine serpentinites preserve...thermochemical sulfate reduction and input of
hydrothermal sulfide to lower temperatures (<120°C) that |  | | Journal (article/letter/editorial) | | methane, fluid
inclusions, serpentinization, hydrothermal
systems
Author for correspondence:
Niya G. Grozeva...Damm hydrothermal field (Mid-Cayman
Rise) and the Zambales ophiolite (Philippines).
Peridotite, troctolite...remained one of the most important
problems in hydrothermal research due to methane’s numerous roles in...mafic and ultramafic rock occur, including
mid-ocean ridge and off-axis environments, passive margins...contribute to the
inventory of CH4 in ridge-crest hydrothermal fluids [21,24,25], more recent studies |  | | Journal (article/letter/editorial) | | Comparing
oceanic and continental processes during peridotite alteration
Esther M. Schwarzenbach, Benjamin...Comparing oceanic and continental processes during peridotite alteration, LITHOS (2016),
doi: 10.1016/j.lithos...and continental processes
NU
SC
RI
during peridotite alteration
MA
Esther M. Schwarzenbach*1,2,...into oceanic and continental
processes of water-peridotite interaction, so called serpentinization. In both...during
ocean floor alteration and those dominant during low-temperature, continental water-peridotite
MA |  | | Journal (article/letter/editorial) | | 59–79
www.elsevier.com/locate/gca
The Lost City hydrothermal system: Constraints imposed by
vent fluid...Since the first reported discovery of the Lost City hydrothermal system in 2001, it was recognized that...evidence for this. Here we report the chemistry of hydrothermal fluids sampled
from two vent structures (Beehive:...(Beehive: 90–116 °C, and M6: 75 °C) at Lost City in 2008 during cruise KNOX18RR using ROV
Jason 2 and R/V...concentrations are well in excess of those expected for peridotite alteration and the coexistence of serpentine–brucite |
|