 | | Journal (article/letter/editorial) | | variations in submarine hydrothermal deposits of Guaymas Basin, Gulf of California, USA J.M. PETER'-* and...and mound samples in the southern trough of Guaymas Basin, Gulf of California, USA. 634S values of sulfides...sediments underlying the deposits. 634Sof barite and anhydrite indicate sulfur derivation mainly from unfractionated...calcite-rich chimneys in the southern trough of Guaymas Basin were enriched in I80 with respect to seawater...geographic location within the southern trough of Guaymas Basin are best explained by variations in water/rock |  | | Journal (article/letter/editorial) | | chimneys and mounds from the southern trough of Guaymas Basin, Gulf of California J. M. PETER,B. R. T. SIMONEITand...chimneys and mounds in the southern trough of Guaymas Basin, central Gulf of California. The inclusions...petroleum and its transport to the seafloor in the Guaymas Basin coincide with those necessary for the precipitation...in the Guaymas Basin hydrothermal system. INTRODUCTION ThE SOUTHERN trough of Guaymas Basin, central...(LoNSDALE, 1985; LONSDALEand BECKER, 1985). The basin has an unusually high sedimentation rate of 1-2 |  | | Journal (article/letter/editorial) | | versus Mg for samples collected from (a) 21Ā°N East Pacific Rise (EPR) in 1981 and (b) the southern Juan de...Oyster Beds (OB) < 13(350) seawater 21Ā°N East Pacific Rise (EPR) National Geographic Society (NGS) 2600...2000 6 ļæ½500 1982,1985,1988 Sediment cover 273 Ocean Bottom Seismograph (OBS) 350 Southwest (SW) 355...355 Hanging Gardens (HG) 351 Guaymas Basin I 291 very organic- and 2 291 carbonate rich 3 ...m) geographical distances. While the 21 oN East Pacific Rise (EPR), II-l 3Ā°N EPR, southern Juan de Fuca |  | Zeng, Zhigang, Ma, Yao, Chen, Shuai, Selby, David, Wang, Xiaoyuan, Yin, Xuebo (2017) Sulfur and lead isotopic compositions of massive sulfides from deep-sea hydrothermal systems: Implications for ore genesis and fluid circulation. Ore Geology Reviews, 87. 155-171 doi:10.1016/j.oregeorev.2016.10.014 | Journal (article/letter/editorial) | | for different hydrothermal fields in the East Pacific Rise (EPR), Mid-Atlantic Ridge (MAR), Central Indian... Southwest Indian Ridge (SWIR), and North Fiji Basin (NFB). The sulfur MA isotopic compositions of...sub-seafloor hydrothermal systems in sediment-free mid-ocean ridges and mature back-arc basins. Furthermore,...minerals in the super-fast and fast spreading mid-ocean ridges (MORs) exhibit less spread in their the Ī“34S...from modern seafloor hydrothermal systems in mid-ocean ridges (MORs) D and back-arc basins (BABs) have |  | | Journal (article/letter/editorial) | | depletion could be caused by precipitation of anhydrite or barite (sinks for Eu2+) deeper in the system... a tholeiitic off-axial seamount at 21Ā°N East Pacific Rise (EPR) (Alt et al., 1987). Samples from basalt-hosted...hydrothermal fields: Escanaba Trough, Middle Valley, Guaymas Basin and Grimsey Graben (Table 1; Fig. 1). Hydrothermal...inactive) formed on the flanks of sediment hills that rise above the surrounding seafloor. The concentration...from active anhydrite-rich and sulfide-bearing chimneys from the AAV (Table 1). Guaymas Basin is part of |  | | Journal (article/letter/editorial) | | conductive heat flow in the Southern Trough of Guaymas Basin Peter Lonsdale and Keir Becker Scripps Institution...overlie deposits of hydrothermal minerals (mainly anhydrite and sulfides) that form columns and mounds rising...commonly capped with hollow horizontal sheets of anhydrite and pyrrhotite. Conductive heat flow measured...that m a r k the spreading axes in G u a y m a s Basin (Fig. 1) 0012-821x/85/$03.30 Ā© 1985 Elsevier Science...geophysical studies of several sites in G u a y m a s Basin with the Deep T o w Vehicle [6], whose sensors i |  | | Journal (article/letter/editorial) | | theoretical study of hydrothermal activity at Guaymas Basin, Gulf of California JE~EYS.SEEWA~D,' WILLIAM...during hydrothermal alteration of sediment from Guaymas Basin, Gulf of California. Alteration of inorganic...natural hydrothermal fluids and minerals at Guaymas Basin and permit us to better constrain sources and...composition of hydrotherm~ sulfide minerals in Guaymas Basin can be explained by derivation of S from diagenetic...during hydrothermal circulation. Sources of C in Guaymas Basin hydrothermal fluids include thermal degradation |  | | Journal (article/letter/editorial) | | 1985. Riatcd in U.S.A. Chemical evolution of mid-ocean ridge hot springsā Division of Geological and Planetary...the East Pacific Rise at 2 I āN and 10 hot springs from the southern trough of the Guaymas Basin, Gulf...unaltered sediment from DSDP hole 477 in the Guaymas Basin. Results of the calculations indicate that conductive...accounts for the s&&ion composition of one vent on the East PacificRise and seveml vents in GuaymasBasin. Mixing...from the East Pacific Rise and drill cores in Guaymas Basin. The hypothesis that Guaymas Basin hydrothermal |  | | Journal (article/letter/editorial) | | high-temperature vent fluids and deposits from the East Pacific Rise and other submarine hydrothermal fluids, the...associated with cycling of seawater through mid-ocean ridges are reviewed. Due to conductive cooling and...the Ā© 1986 Elsevier Science Publishers B.V. ocean. Hydrothermal alteration of the oceanic crust leads...nearly pure hydrothermal end-member on the East Pacific Rise (EPR) at 21 Ā° and 13Ā°N (Spiess et al., 1980;...1980; H~kinian et al., 1983a, b), the Guaymas Basin (Lonsdale et al., 1980), and the Juan de Fuca Ridge |  | Carranza-Edwards, A., Rosales-Hoz, L., Aguayo-Camargo, J.E., Lozano-Santa Cruz, R., Hornelas-Orozco, Y. (1990) Geochemical study of hydrothermal core sediments and rocks from the Guaymas Basin, Gulf of California. Applied Geochemistry, 5 (1) 77-82 doi:10.1016/0883-2927(90)90038-7 | Journal (article/letter/editorial) | | hydrothermal core sediments and rocks from the Guaymas Basin, Gulf of California A. CARRANZA-EDWARDS,L. ROSALES-HOZand...geochemical study of core sediments from the Guaymas Basin was undertaken by X-ray analysis and showed...hydrothermal activity over short distances in the Guaymas Basin is due to active extensional tectonics, the...data from the East Pacific Rise area (Mimar II-A, 20"48.2'N, study of the Guaymas Basin was undertaken...V Atlantis H and the DSV Alvin. Researchers from east of Clarion Island (Mimar II-C, 16Ā°30.9'N, the U |  | | Journal (article/letter/editorial) | | . The free gas sample and a few fragments of anhydrite chimney and surrounding gypsum and pyrite-bearing..."thermogenic" origin of the gas. The 6345values of anhydrite and gypsum (about of 22.5%o)from the northern...western Aleu tians (Fig. 1, inset). The Komandorsky Basin where the Massif of Volcanologists and Piip volcano...parallel to the strike-slip boundary between the Pacific and North American plates (Seliverstov et al.,...Trenches. main structural features of the Komandorsky Basin including Piip volcano are given by Baranov et al |  | | Journal (article/letter/editorial) | | paragenetic sequence revealed is: chalcopyrite, anhydrite, pyrrhotite, pyrite, sphalerite, graphite, and...sequence and abundance of precipitated phases. Anhydrite precipitation during mixing occurs early, which...which is consistent with formation of an anhydrite leading edge of chimney structures. Similarly, extrapolation...Galapagos to zero SO, concentration suggests anhydrite formation due to mixing with seawater beneath...venting from the seafloor at 2 1āN on the East Pacific Rise (SPIESS et al., 1980) provides dramatic confirmation |  | | Journal (article/letter/editorial) | | with the activity of hydrothermal vents on the ocean floor, the greatest progress during the last decade...fact that high-temperature mineragenesis on the ocean floor results in the formation of contemporary sulfide...sampled at the "hot" vents in the rift zones of the ocean. The appreciable collection of experimental data...high-temperature interaction with rocks of the ocean floor. While maintaining the overall level of mineralization...(200-350Ā° C) fluids in widely separated mid-ocean, ocean-margin, and intercontinental rifts settings |  | Von Damm, K.L., Parker, C.M., Zierenberg, R.A., Lilley, M.D., Olson, E.J., Clague, D.A., McClain, J.S. (2005) The Escanaba Trough, Gorda Ridge hydrothermal system: Temporal stability and subseafloor complexity. Geochimica et Cosmochimica Acta, 69 (21) 4971-4984 doi:10.1016/j.gca.2005.04.018 | Journal (article/letter/editorial) | | buried by sediments are relatively rare in the ocean basins today, yet remain of particular interest...years later, in 1996, the site was drilled by the Ocean Drilling Program (ODP) (Fouquet et al., 1998). The...dive program in 1988 (Campbell et al., 1994), and Ocean Drilling Program (ODP) Leg 169 in1996 (Fouquet et...sediment-covered ridges, Middle Valley and Guaymas Basin (Table 3). As H2 is believed to be mostly derived...differences between the CO2 values we report here for Guaymas Basin and those of Welhan and Lupton (1987). The concentrations |  | John, Seth G., Rouxel, Olivier J., Craddock, Paul R., Engwall, Alison M., Boyle, Edward A. (2008) Zinc stable isotopes in seafloor hydrothermal vent fluids and chimneys. Earth and Planetary Science Letters, 269 (1) 17-28 doi:10.1016/j.epsl.2007.12.011 | Journal (article/letter/editorial) | | numerous vents at 9ā10Ā°N and 21Ā°N on the East Pacific Rise (EPR), the TAG hydrothermal field on the Mid-Atlantic...Mid-Atlantic Ridge, and in the Guaymas Basin. Fluid Ī“66Zn values measured at these sites range from +0...basalt-hosted mid-ocean ridges, including from the fast-spreading, unsedimented East-Pacific Rise (9ā10Ā°N and...EPR), from the sedimented Gulf of California (Guaymas basin) and from the slow spreading MidAtlantic ridge...(Von Damm et al., 1985a). Three of the vent sites (Ocean Bottom Seismometer (OBS), South West (SW), and Hanging |  | | Report (volume) | | foraminifers from Escanaba Trough, northeast Pacific Ocean ..............................................Gorda Ridge and other mid-ocean ridge spreading centers in northeast Pacific Ocean .............. .........from sediment-hosted, back-arc basin, and sediment-starved mid-ocean ridge environments ........................ 13.5. Strontium versus barium in Guaymas Basin and Escanaba Trough cores .......................................... Escanaba Trough and Guaymas Basin sediments: selected chemical and mineral components |  | | Journal (article/letter/editorial) | | sediment-poor NU Jade fields), the Manus back-arc basin (felsic-hosted PACMANUS and basalt-hosted Vienna...the PACMANUS and Vienna Woods fields in the Manus Basin, and in the Kairei and Edmond fields on the Central...N, 127Ā°04Ź¹ E in the Mid-Okinawa Trough back-arc basin (Fig. 1; Ishibashi et al., 2015a). These active...NU 2.2 PACMANUS and Vienna Woods fields, Manus Basin MA The PACMANUS hydrothermal field, located at...of the Pual Ridge in the eastern Manus back-arc basin (Fig. D 2; Binns and Scott, 1993). The active |  | Lisitsyn, A. P., Bogdanov, Yu. A., Zonenshayn, L. P., Kuz'min, M. I., Podrazhanskiy, A. M. (1989) āBLACK SMOKERSā IN THE GULF OF CALIFORNIA. International Geology Review, 31 (6) 541-555 doi:10.1080/00206818909465907 | Journal (article/letter/editorial) | | Observations of subĀ marine thermal vents in the Guaymas Basin using the Pisces manned submersible and subsequent...To study the hydrothermal ore process related to ocean formation, a joint geological-geophysical and geochemical...Southern Trough of the Guaymas Basin We examined the Southern Trough of the Guaymas Basin in the greatest detail...west by a steep wall about 100 m high, and on the east by a whole system of scarps 20-25 m high, forming...1000 times greater than in the rifts in the open ocean. As a result, the rifts are completely covered with |  | Davis, Earl E., Goodfellow, Wayne D., Bornhold, Brian D., Adshead, John, Blaise, Bertrand, Villinger, Heiner, Le Cheminant, Gina M. (1987) Massive sulfides in a sedimented rift valley, northern Juan de Fuca Ridge. Earth and Planetary Science Letters, 82 (1) 49-61 doi:10.1016/0012-821x(87)90106-3 | Journal (article/letter/editorial) | | a n d G i n a M . L e C h e r n i n a n t 2 1 Pacific Geoscience Centre, Geological Survey of Canada...can form a substrate for chimneys along the East Pacific Rise at 20Ā°N [5], the amount of reworking by sedimentary...[6] for sulfides from the sediment-covered Guaymas Basin, Gulf of California. Here, the open boxwork...and (2) they contain no wurtzite, anhydrite, or calcite. Anhydrite may have been present initially and...ridges (e.g. Juan de Fuca Ridge [10] and East Pacific Rise at 21Ā°N [5,9] and those from Middle Valley |  | | Journal (article/letter/editorial) | | of submarine hydrothermal solutions at Guaymus Basin, Gulf of Califor~a K. L. VON DAMMā, J. M. EDMOND...to the crests of large mounds that rise out of the W-lying basin sediments. The chemistry of the hydrothermal...from that characteristic of sediment-starved, open ocean ridge axea in that the solutions are alkaline, contain...precipitatedat depth in the sediment column. The Guaymas Basin is thus the site of active formation of a sediment-hosted...INTRODUCIION NORTHOF THE vent fields at 2l*N, the East Pacific Rise enters the Gulf of California (Pig. 1). The |  | McDermott, Jill M., Ono, Shuhei, Tivey, Margaret K., Seewald, Jeffrey S., Shanks, Wayne C., Solow, Andrew R. (2015) Identification of sulfur sources and isotopic equilibria in submarine hot-springs using multiple sulfur isotopes. Geochimica et Cosmochimica Acta, 160. 169-187 doi:10.1016/j.gca.2015.02.016 | Journal (article/letter/editorial) | | Areas studied include the Eastern Manus Basin and Lau Basin back-arc spreading centers and the unsedimented...basalt-hosted Southern East Paciļ¬c Rise (SEPR) and sediment-hosted Guaymas Basin mid-ocean ridge spreading centers...from 5.5& to +5.6& in Manus Basin samples, +2.4& to +6.1& in Lau Basin samples, and +3.7& to +5.7& in...cubanite and H2S range from 1.4& to +4.7& in Guaymas Basin samples. Multiple sulfur isotope systematics...systematics in ļ¬uid-mineral pairs from the SEPR and Lau Basin show that crustal host rock and thermochemical reduction |  | | Journal (article/letter/editorial) | | 001&7037/88/53.00 Manganese ge~hemis~y + .w in the Guaymas Basin, Gulf of California ANDREWC. CAMPBELLā, JORIS...revisedfirm November 13, 1987) geochemistry in the Guaymas Basin, Gulf of California is dominated by hydrothermal...concentration of particulate Mn in the subsill basin is about four times higher than in the non-hydrothermally...benthic flux from the sediments on the slopes of the basin. Dissolved hydrothe~al Mn has a residence time of...(hydrothermal clouds) above vents and chimneys in the Guaymas Basin and bear a striking resemblance to the Mn oxidizing |  | | Report (chapter) | | contrast, conventional oils are products derived from basin evolution and are generated contemporaneously with...conventional oils are generated at a rate that is tied to basin subsidence and increasing geothermal gradient occurring...ridge Guaymas Basin, Escanaba Trough, Middle Valley, Red Sea Warm up to c. 400Ā° C Mid-Ocean ridge (no...sediment) Off-axis flanks and basins Back-arc East Pacific Rise, MidAtlantic Ridge Warm up to c. 350Ā° C ...products Sedimented submarine systems G u a y m a s Basin (Fig. 1) is an active oceanic spreading centre (2000 |  | | Journal (article/letter/editorial) | | alteration in near-surface sediments from the Guaymas Basin, Gulf of California ANDREWJ. MAGENHEIMand JORIS...accepted in revisedform March 16, 1992) the Guaymas Basin, Gulf of California, hydrothermal fluids discharge...recently gained much attention, e.g., in the Guaymas Basin, Gulf of California; in the Escanaba Trough...sedimented ridges under study hitherto, the Guaymas Basin has undergone the most extensive geochemical...system with fluid temperatures < 200Ā°C. In the Guaymas Basin, hydrothermal fluids exit the seafloor in two |  | Von Damm, K.L, Edmond, J.M, Grant, B, Measures, C.I, Walden, B, Weiss, R.F (1985) Chemistry of submarine hydrothermal solutions at 21 Ā°N, East Pacific Rise. Geochimica et Cosmochimica Acta, 49 (11) 2197-2220 doi:10.1016/0016-7037(85)90222-4 | Journal (article/letter/editorial) | | submarine hydrothermalsolutions at 21āN, East Pacific Rise K. L. VON DAM&' J. M. EDMOND,B. GRANT, C....three hydrothermal fields at 21ONlatitude, East Pacilic Rise, wereresampled and an additional one was discovered...very young crust in the axial zone of the East Pacific Rise (EPR) at 21 āN (SPEISS etal., 1980). Reconnaissance...the sediment-buried segment of the EPR in the Guaymas Basin in the central Gulf of California (LONSDALEet...massive sulfide deposit has been discovered on the GSC east of the hydrothermally active area (MALAHOFF, 1982) |
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