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Shanks, Wayne C; Niemitz, Jeffrey W (1982): (Table 1) Sulfur isotopes and sulfur content at DSDP Leg 64 Holes [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.819069, Supplement to: Shanks, WC; Niemitz, JW (1982): Sulfur isotope studies of hydrothermal anhydrite and pyrite, Deep Sea Drilling Project Leg 64, Guaymas Basin, Gulf of California. In: Curray, JR; Moore, DG; et al. (eds.), Initial Reports of the Deep Sea Drilling Project (U.S. Govt. Printing Office), 64, 1137-1142, https://doi.org/10.2973/dsdp.proc.64.153.1982

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Abstract:
Hydrothermal pyrite samples from Holes 477, 477A, and 478 have sulfur isotope values ranging from about 10 to 11 per mil. Samples with negative sulfur isotope values generally have low sulfide sulfur contents and reflect mixed bacterial and hydrothermal sulfur sources. At higher sulfur contents, the hydrothermal component predominates, producing positive isotope values. Hydrothermal sulfide derives from reduction of seawater sulfate and may contain a significant basaltic component. Hydrothermal anhydrite is restricted to a narrow zone beneath a dolerite sill at Site 477 and, because of partial sulfate reduction in the circulating waters, has isotopic values (23.5-25 per mil), heavier than seawater.
Project(s):
Coverage:
Median Latitude: 27.052533 * Median Longitude: -111.435533 * South-bound Latitude: 27.030000 * West-bound Longitude: -111.507500 * North-bound Latitude: 27.096800 * East-bound Longitude: -111.398800
Date/Time Start: 1978-12-18T00:00:00 * Date/Time End: 1978-12-24T00:00:00
Minimum Elevation: -2003.0 m * Maximum Elevation: -1889.0 m
Event(s):
64-477  * Latitude: 27.030800 * Longitude: -111.400300 * Date/Time: 1978-12-18T00:00:00 * Elevation: -2003.0 m * Penetration: 191 m * Recovery: 50.6 m * Location: North Pacific/Gulf of California/BASIN * Campaign: Leg64 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 21 cores; 172 m cored; 19 m drilled; 29.4 % recovery
64-477A  * Latitude: 27.030000 * Longitude: -111.398800 * Date/Time: 1978-12-18T00:00:00 * Elevation: -2003.0 m * Penetration: 267 m * Recovery: 16 m * Location: North Pacific/Gulf of California/BASIN * Campaign: Leg64 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 11 cores; 111 m cored; 9.5 m drilled; 14.4 % recovery
64-478  * Latitude: 27.096800 * Longitude: -111.507500 * Date/Time: 1978-12-24T00:00:00 * Elevation: -1889.0 m * Penetration: 464 m * Recovery: 297.6 m * Location: North Pacific/Gulf of California/CHANNEL * Campaign: Leg64 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 49 cores; 427 m cored; 24 m drilled; 69.7 % recovery
Comment:
Empty cells = not determined.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
Event labelEvent
Latitude of eventLatitude
Longitude of eventLongitude
Elevation of eventElevationm
Sample code/labelSample labelShanks, Wayne CDSDP/ODP/IODP sample designation
DescriptionDescriptionShanks, Wayne C
Iron monosulfideFeS%Shanks, Wayne CGravimetric analysis
Sulfur of pyriteS Py%Shanks, Wayne CGravimetric analysis
δ34S, pyriteδ34S Py‰ CDTShanks, Wayne CMass spectrometer Varian MAT 250
10 Sulfur of anhydriteS anh%Shanks, Wayne CGravimetric analysis
11 δ34S, anhydriteδ34S Anh‰ CDTShanks, Wayne CMass spectrometer Varian MAT 250
12 CommentCommentShanks, Wayne C
Size:
89 data points

Data

Download dataset as tab-delimited text — use the following character encoding:


Event

Latitude

Longitude

Elevation [m]

Sample label

Description

FeS [%]

S Py [%]

δ34S Py [‰ CDT]
10 
S anh [%]
11 
δ34S Anh [‰ CDT]
12 
Comment
64-477 27.0308-111.4003-200364-477-15-1,59-59.5Silty clay with fine pyrite concretions and anhydrite clusters0.000.774.9023.84Hot 6N HCl digestion
64-47727.0308-111.4003-200364-477-16-1,115-117Silty claystone; pyrite and anhydrite seams and nodules0.001.88-0.753.4824.03Hot 6N HCl digestion
64-47727.0308-111.4003-200364-477-16-3,78Anhydrite nodule0.000.3111.1525.20Hot 6N HCl digestion
64-47727.0308-111.4003-200364-477-16-4,19Clayey siltstone; anhydrite specks0.001.1610.5923.80Warm-water digestion
64-47727.0308-111.4003-200364-477-16-4,19Clayey siltstone; anhydrite specks6.8123.55Hot 6N HCl digestion
64-47727.0308-111.4003-200364-477-17-1,13-15Clayey siltstone; anhydrite specks0.001.58-2.760.6616.59Hot 6N HCl digestion
64-47727.0308-111.4003-200364-477-17-3,71-72Silty claystone; dolomitic0.000.611.8324.35Hot 6N HCl digestion
64-47727.0308-111.4003-200364-477-20-1,40-41Carbonaceous claystone; abundant pyrite cubes0.050.71-7.800.00
64-47727.0308-111.4003-200364-477-20-2,70-71Carbonaceous claystone; abundant pyrite cubes0.030.67-9.740.00
64-47727.0308-111.4003-200364-477-22-2,27-29Hydrothermally altered silty clay; large (1-5 mm) pyrite cubes and dodecahedra0.122.85-0.810.00
64-47727.0308-111.4003-200364-477-22-2-CCHydrothermally altered silty clay; large (1-5 mm) pyrite cubes and dodecahedra5.480.00
64-477A 27.0300-111.3988-200364-477A-10-1,52Gassy, hydrothermally altered epidote-rich claystone with fine pyrite0.0014.255.890.00
64-477A27.0300-111.3988-200364-477A-11-CCCemented; epidote and pyrite-rich sandstone with h2s odor0.008.8511.120.00
64-478 27.0968-111.5075-188964-478-40-1,70-72Dolomitic claystone0.051.013.610.00