The mineralogy and the isotopic composition of sulfur in hydrothermal sulfide/sulfate deposits on the East Pacific Rise, 21°N latitude

Styrt, M.M.; Brackmann, A.J.; Holland, Heinrich; Clark, B. C.; Pisutha-Arnond, Visut; Eldridge, C. Stewart; Ohmoto, Hiroshi

doi:10.1016/0012-821x(81)90042-x

Cited by 191 publications

(87 citation statements)

References 9 publications

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“…Similar sulfur isotopic disequilibrium has been identified in most investigated seafloor hydrothermal sulfide deposits (e.g., the EPR at 21°N, Arnold and Sheppard, 1981;Styrt et al, 1981;Kerridge et al, 1983;Zierenberg et al, 1984;Woodruff and Shanks, 1988; the Guaymas Basin, Shanks and Niemitz, 1982;Koski et al, 1985 Peter andShanks, 1992; the Red Sea, Bischoff, 1977, 1980; the Axial Seamount, Hannington and Scott, 1988).…”

Section: Sulfur Isotopic Compositions In Sulfidessupporting

confidence: 72%

“…2.5‰, n = 118, Hekinian et al, 1980;Arnold and Sheppard, 1981;Styrt et al, 1981;Kerridge et al, 1983;Zierenberg et al, 1984;Woodruff and Shanks, 1988;Stuart et al, 1994a) (see Table 3; Fig. 3).…”

Section: Sulfur Isotopic Compositions In Sulfidesmentioning

confidence: 95%

“…In contrast, for sediment-associated MORs, negative sulfur isotope values generally occur along with low sulfide-sulfur contents and can be caused by bacterial sulfate reduction (Goldhaber and Kaplan, 1980;Brunner and Bernasconi, 2005). Furthermore, because the equilibrium fractionation between H 2 S and sulfides is limited at temperature ≥250 °C, variation in the δ 34 S values of sulfides can be interpreted as temporal variations in the δ 34 S values of H 2 S in the hydrothermal fluids (Styrt et al, 1981;Bluth and Ohmoto, 1988). However, the variation in the δ 34 S H2S values could have been caused by the variation in δ 34 S ΣS , the pH and redox state (i.e., SO 4 2-/H 2 S ratio), or by the degree of sulfur isotopic equilibrium between SO 4 2-species and H 2 S species in the fluid (Ohmoto and Rye, 1979).…”

Section: Introductionmentioning

confidence: 99%

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Sulfur and lead isotopic compositions of massive sulfides from deep-sea hydrothermal systems: Implications for ore genesis and fluid circulation

Zeng

Chen

et al. 2017

Ore Geology Reviews

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Section: Sulfur Isotopic Compositions In Sulfidessupporting

confidence: 72%

Section: Sulfur Isotopic Compositions In Sulfidesmentioning

confidence: 95%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Sulfur and lead isotopic compositions of massive sulfides from deep-sea hydrothermal systems: Implications for ore genesis and fluid circulation

Zeng

Chen

et al. 2017

Ore Geology Reviews

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“…Data sources: marine algae and animals (Kaplan et al, 1963;Mekhtiyeva et al, 1976); benthic crustaceans, hydrothermal vent animals, (Fry et al, 1983). Vent sulfides (Styrt et al, 1981 between 3NHCl and sediment; H2S-2; H2S evolved from the same mixture as above for the next 30min at boiling temp. Residue of the acid attack were separated into fine and coarse fractions (numbered 3 and 4) and acid-insoluble sulfur in each was decom posed by mixture of HNO3 and Br2.…”

Section: Resultsmentioning

confidence: 99%

Geochemical study of the bathyal seep communities at the Hatsushima site, Sagami Bay, Central Japan.

et al. 1987

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Since 1984, dense biological communities dominated by giant vesicomyid clam, Calyptogena soyoae, have been located on 1000 to 1200m deep seabed along the foot of the western escarpment of Sagami Bay Japan, by the manned submersible, "Shinkai 2000" and deep-tow TV and photography of Japan Marine Science and Technology Center. Chemical and isotopic study of the clams, sediments and bottom seawater, sampled during the field study of the area using "Shinkai 2000" in 1986, revealed that the clam com munities are in close association with methane rich seep systems and that chemoautotrophic sulfur bacteria, living symbiotically in the clam's gill tissues, play an important nutritional role for the seep communities.

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“…In addition, δ 34 S values of sulfides from the Archaean site, which is situated between the Snail and Pika sites, are approximately intermediate between those of the Snail and Pika sites. Styrt et al (1981) and Kerridge et al (1983) There can be several processes that cause isotopic fractionation and develop a wide range in δ 34 S values within a single hydrothermal field. It is possible that higher δ 34 S values obtained from the Snail and Yamanaka sulfides are attributed to the incorporation of seawater sulfate-derived sulfur without isotopic fractionation during reducing process in a seafloor environment.…”

Section: Source Of a Range In Sulfur Isotopic Compositions For Sulfidmentioning

confidence: 99%

Mineralogical and Geochemical Characteristics of Hydrothermal Minerals Collected from Hydrothermal Vent Fields in the Southern Mariana Spreading Center

Ikehata

Suzuki

Shimada

et al. 2014

Subseafloor Biosphere Linked to Hydrothermal Systems

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Seafloor hydrothermal mineralization of four active hydrothermal fields (Snail, Yamanaka, Archaean and Pika sites) in the Southern Mariana Trough was investigated to clarify the mineralogical and geochemical characteristics of the hydrothermal minerals. The Snail site and the Yamanaka site are located on the crest of the backarc spreading ridge (on-axis). The Pika site sits atop an off-axial volcano, 4.9 km distant from the spreading axis, while the Archaean site sits on the flank of the spreading ridge, about 1.5 km distant from the axis. In the four hydrothermal sites, chimney and mound sulfides are composed mainly of pyrite, marcasite, sphalerite and chalcopyrite. Conduits and interstices of these sulfide minerals are filled with late barite and anhydrite. Mineralizations of off-axial hydrothermal fields have mineralogical and geochemical signatures (Fe-rich and low f S2 condition) similar to those of mineralizations at sediment-free mid-ocean ridge settings. By contrast, mineralizations of on-axial sites show distinctly Zn and Pb-rich (high f S2 condition) signatures similar to those found in arc or rifting settings. Sulfur isotopic compositions of collected sulfide minerals show a similar diversity with a mid-ocean ridge range for the off-axial sites and an island-arc range for the on-axial sites. These isotopic signatures could be explained by varying proportions of magmatic sulfur leached from the underlying volcanic rocks and reduced seawater sulfates. Keywords

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The mineralogy and the isotopic composition of sulfur in hydrothermal sulfide/sulfate deposits on the East Pacific Rise, 21°N latitude

Cited by 191 publications

References 9 publications

Sulfur and lead isotopic compositions of massive sulfides from deep-sea hydrothermal systems: Implications for ore genesis and fluid circulation

Sulfur and lead isotopic compositions of massive sulfides from deep-sea hydrothermal systems: Implications for ore genesis and fluid circulation

Geochemical study of the bathyal seep communities at the Hatsushima site, Sagami Bay, Central Japan.

Mineralogical and Geochemical Characteristics of Hydrothermal Minerals Collected from Hydrothermal Vent Fields in the Southern Mariana Spreading Center

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