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Matsumoto, Ryo (1992): (Table 1) Peak intensities and stable carbon and oxygen isotope ratios of various diagenetic carbonates of ODP Site 128-799 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.776384, Supplement to: Matsumoto, R (1992): Diagenetic dolomite, calcite, rhodochrosite, magnesite, and lansfordite from Site 799, Japan Sea-Implications for depositional environments and the diagenesis of organic-rich sediments. In: Pisciotto, KA; Ingle, JCJr.; von Breymann, MT; Barron, J; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 127/128(1), 75-98, https://doi.org/10.2973/odp.proc.sr.127128-1.119.1992

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Abstract:
Abundant and various diagenetic carbonates were recovered from a 1084-m-thick, Quaternary to lower Miocene section at ODP Site 799 in the Japan Sea. Petrographic, XRD, SEM, EDS-chemical, and isotopic analyses revealed wide variations in occurrence and textural relations and complex mineralogy and chemistry. Diagenetic carbonates include calcite, calcium-rich rhodochrosite, iron- and manganese-rich magnesite, iron- and manganese-rich dolomite and ankerite, and iron- and manganeserich lansfordite (hydrous Mg-carbonate).
Rhodochrosite commonly occurs as small, solid nodules and semi-indurated, thin layers in bioturbated, mottled sediments of Units I and II (late Miocene to Quaternary). Lansfordite occurs as unindurated nodules and layers in Unit II (late Miocene and Pliocene), whereas magnesite forms indurated beds a few centimeters thick in slightly bioturbated-to-faintly laminated sediments of Unit III (middle and late Miocene). Some rhodochrosite nodules have dark-colored, pyritic cores, and some pyrite-rhodochrosite nodules are overgrown by and included within magnesite beds. Dolomite and ankerite tend to form thick beds (>10 cm) in bedded to laminated sediments of Units III, IV, and V (early to late Miocene). Calcite occurs sporadically throughout the Site 799 sediments.
The d18O values of carbonates and the interstitial waters, and the measured geothermal gradient indicate that almost all of the Site 799 carbonates are not in isotopic equilibrium with the ambient waters, but were precipitated in the past when the sediments were at shallower depths. Depths of precipitation obtained from the d18O of carbonates span from 310 to 510 mbsf for magnesite and from 60 to 580 mbsf for dolomite-ankerite. Rhodochrosite and calcite are estimated to have formed within sediments at depths shallower than 80 mbsf.
Diagenetic history in the Site 799 sediments have been determined primarily by the environment of deposition; in particular, by the oxidation-reduction state of the bottom waters and the alkalinity level of the interstitial waters. Under the well-oxygenated bottom-water conditions in the late Miocene and Pliocene, manganese initially accumulated on the seafloor as hydrogenous oxides and subsequently was mobilized and reprecipitated as rhodochrosite within the shallow sulfate-reduction, sub-oxic zone. Precipitation of lansfordite occurred in the near-surface sediments with abundant organic carbon and an extremely high alkalinity during the latest Miocene and Pliocene. The lansfordite was transformed to magnesite upon burial in the depth interval 310 to 510 mbsf. Dolomite first precipitated at shallow depths in Mn-poor, anoxic, moderately biocalcareous sediments of early to late Miocene. With increasing temperature and depth, the dolomite recrystallized and reequilibrated with ambient waters at depths below about 400 mbsf.
Project(s):
Coverage:
Median Latitude: 39.220500 * Median Longitude: 133.866700 * South-bound Latitude: 39.220500 * West-bound Longitude: 133.866500 * North-bound Latitude: 39.220500 * East-bound Longitude: 133.866900
Date/Time Start: 1989-09-14T16:30:00 * Date/Time End: 1989-10-12T03:40:00
Minimum DEPTH, sediment/rock: 105.24 m * Maximum DEPTH, sediment/rock: 1049.92 m
Event(s):
128-799A  * Latitude: 39.220500 * Longitude: 133.866900 * Date/Time Start: 1989-09-14T16:30:00 * Date/Time End: 1989-09-18T19:45:00 * Elevation: -2085.0 m * Penetration: 468.7 m * Recovery: 440.04 m * Location: Japan Sea * Campaign: Leg128 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 52 cores; 468.7 m cored; 0 m drilled; 93.9 % recovery
128-799B  * Latitude: 39.220500 * Longitude: 133.866500 * Date/Time Start: 1989-10-02T22:36:00 * Date/Time End: 1989-10-12T03:40:00 * Elevation: -2084.0 m * Penetration: 1084 m * Recovery: 280.48 m * Location: Japan Sea * Campaign: Leg128 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 67 cores; 633 m cored; 0 m drilled; 44.3 % recovery
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
Event labelEvent
Sample code/labelSample labelMatsumoto, RyoDSDP/ODP/IODP sample designation
DEPTH, sediment/rockDepth sedmGeocode – mbsf
Calcite, intensityCalcpsMatsumoto, RyoX-ray diffraction (XRD)
Rhodochrosite, intenityRdscpsMatsumoto, RyoX-ray diffraction (XRD)
LansforditeLansfcpsMatsumoto, RyoX-ray diffraction (XRD)
MagnesiteMgscpsMatsumoto, RyoX-ray diffraction (XRD)
Dolomite, intensityDolcpsMatsumoto, RyoX-ray diffraction (XRD)
δ13C, calciteδ13C cal‰ PDBMatsumoto, RyoMass spectrometer Finnigan Delta-E
10 δ18O, calciteδ18O cal‰ PDBMatsumoto, RyoMass spectrometer Finnigan Delta-E
11 Depth, reconstructedReconstr depthmMatsumoto, Ryodepth-1
12 δ13C, rhodochrositeδ13C Rds‰ PDBMatsumoto, RyoMass spectrometer Finnigan Delta-E
13 δ18O, rhodochrositeδ18O Rds‰ PDBMatsumoto, RyoMass spectrometer Finnigan Delta-E
14 Depth, reconstructedReconstr depthmMatsumoto, Ryodepth-2
15 δ13C, lansforditeδ13C lansf‰ PDBMatsumoto, RyoMass spectrometer Finnigan Delta-E
16 δ18O, lansforditeδ18O lansf‰ PDBMatsumoto, RyoMass spectrometer Finnigan Delta-E
17 δ13C, magnesiteδ13C Mgs‰ PDBMatsumoto, RyoMass spectrometer Finnigan Delta-E
18 δ18O, magnesiteδ18O Mgs‰ PDBMatsumoto, RyoMass spectrometer Finnigan Delta-E
19 Depth, reconstructedReconstr depthmMatsumoto, Ryodepth-3
20 δ13C, dolomiteδ13C dol‰ PDBMatsumoto, RyoMass spectrometer Finnigan Delta-E
21 δ18O, dolomiteδ18O dol‰ PDBMatsumoto, RyoMass spectrometer Finnigan Delta-E
22 Depth, reconstructedReconstr depthmMatsumoto, Ryodepth-4
Size:
964 data points

Data

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


Event

Sample label
(DSDP/ODP/IODP sample designation)

Depth sed [m]
(mbsf)

Cal [cps]
(X-ray diffraction (XRD))

Rds [cps]
(X-ray diffraction (XRD))

Lansf [cps]
(X-ray diffraction (XRD))

Mgs [cps]
(X-ray diffraction (XRD))

Dol [cps]
(X-ray diffraction (XRD))

δ13C cal [‰ PDB]
(Mass spectrometer Finnigan De...)
10 
δ18O cal [‰ PDB]
(Mass spectrometer Finnigan De...)
11 
Reconstr depth [m]
(depth-1)
12 
δ13C Rds [‰ PDB]
(Mass spectrometer Finnigan De...)
13 
δ18O Rds [‰ PDB]
(Mass spectrometer Finnigan De...)
14 
Reconstr depth [m]
(depth-2)
15 
δ13C lansf [‰ PDB]
(Mass spectrometer Finnigan De...)
16 
δ18O lansf [‰ PDB]
(Mass spectrometer Finnigan De...)
17 
δ13C Mgs [‰ PDB]
(Mass spectrometer Finnigan De...)
18 
δ18O Mgs [‰ PDB]
(Mass spectrometer Finnigan De...)
19 
Reconstr depth [m]
(depth-3)
20 
δ13C dol [‰ PDB]
(Mass spectrometer Finnigan De...)
21 
δ18O dol [‰ PDB]
(Mass spectrometer Finnigan De...)
22 
Reconstr depth [m]
(depth-4)
128-799A 128-799A-12H-6,54-56105.24040000-8.745.360
128-799A128-799A-12H-CC,11-13106.70028000-8.645.700
128-799A128-799A-14H-5,64-66123.142010800-19.513.800
128-799A128-799A-15H-1,97-99127.07045000-12.025.330
128-799A128-799A-17H-4,111-113151.11055000-5.405.060
128-799A128-799A-18H-4,98-100160.68040000-9.174.080
128-799A128-799A-22X-3,3-5196.8325181800-12.473.810
128-799A128-799A-22X-3,52-53197.32045000-7.454.860
128-799A128-799A-22X-3,52-53197.33040000-8.244.510
128-799A128-799A-23X-4,60-61208.60045000-5.194.010
128-799A128-799A-23X-4,63-65208.63048000-5.394.660
128-799A128-799A-24X-7,0-3222.10042000-4.324.640
128-799A128-799A-24X-7,19-21222.29035000-4.254.320
128-799A128-799A-25X-4,144-146228.74001500-2.124.7
128-799A128-799A-27X-2,65-67243.55045000-5.433.760
128-799A128-799A-27X-3,111-113245.51055000-4.564.750
128-799A128-799A-28X-1,4-12247.14000065-22.774.18100
128-799A128-799A-28X-1,4-12247.15000070-20.813.36130
128-799A128-799A-28X-1,4-12247.16000085-23.705.3760
128-799A128-799A-29X-1,132-136252.22000095-19.814.16101
128-799A128-799A-30X-3,102-108264.521828000-24.343.1519-14.823.510
128-799A128-799A-34X-3,36-38300.960301500-4.933.440-1.624.9
128-799A128-799A-35X-4,43-45312.23057200-463.004.630
128-799A128-799A-37X-1,2-4326.62065000-4.784.150
128-799A128-799A-39X-1,1-2345.912030000-20.833.970
128-799A128-799A-40X-1,13-15355.732520000-19.683.604-10.492.7020
128-799A128-799A-49X-1,93-95443.550008100-3.39-7.05488
128-799A128-799A-49X-CC,0-10443.600001075-2.84-5.63439
128-799A128-799A-49X-CC,0-10443.64000595-2.04-6.54471
128-799A128-799A-49X-CC,0-10443.6800010100-2.755.73443
128-799A128-799A-50X-6,7-12459.880250700-1.422.37323.5-1.5386
128-799A128-799A-51X-1,87-89462.770502502.4-2.0404
128-799A128-799A-51X-2,60-63464.000300650-5.513.2043.7-2.2409
128-799A128-799A-51X-3,2-3464.920300380-4.753.3104.4-2.0404
128-799A128-799A-51X-CC,0-35465.8600005-1.09-6.85481
128-799A128-799A-51X-CC,0-35465.9300001000.25-6.17458
128-799A128-799A-51X-CC,0-35466.0000001001.78-6.69475
128-799A128-799A-51X-CC,0-35466.1000001002.88-5.20424
128-799A128-799A-51X-CC,0-35466.1700001001.27-5.90449
128-799B 128-799B-6R-3,86-92498.4601004003.8-2.4419
128-799B128-799B-6R-3,86-92498.470350150-5.863.5703.4-2.8431
128-799B128-799B-7R-1,79-81500.49040070-7.213.830
128-799B128-799B-7R-1,79-81501.97810048040.0-2.3414
128-799B128-799B-7R-2,99-101502.1915100450-16.872.8230
128-799B128-799B-7R-4,0-2504.2015120260-16.011.2784
128-799B128-799B-10R-1,36-46528.9600050225.1-1.6388
128-799B128-799B-10R-1,36-46528.970005584.3-1.5386
128-799B128-799B-10R-1,36-46528.9800042154.6-1.6390
128-799B128-799B-10R-1,36-46528.990004685.1-1.3379
128-799B128-799B-10R-2,71-76530.81000250-3.5-1.1373
128-799B128-799B-10R-3,140-144533.001550305-13.832.3149
128-799B128-799B-10R-4,114-117534.248405044.5-0.7358
128-799B128-799B-11R-5,100-104545.300506053.5-2.1407
128-799B128-799B-11R-5,100-104545.310002503.0-3.6458
128-799B128-799B-11R-7,1-4547.310200650-2.41164.00233.8-1.1373
128-799B128-799B-11R-7,1-4553.1910150220-16.311.6870
128-799B128-799B-15R-5,53-55583.532600100-15.522.0358
128-799B128-799B-15R-5,53-55583.54230030-15.582.1056
128-799B128-799B-17R-4,102-104601.82030060-4.574.000
128-799B128-799B-18R-5,5-8611.95030060-4.774.110
128-799B128-799B-19R-6,85-89623.95000090-2.95-8.87551
128-799B128-799B-20R-2,63-72627.35500400-6.0-3.6458
128-799B128-799B-20R-2,63-72627.36050225-6.4-3.1443
128-799B128-799B-20R-5,62-73631.820002015-5.4-5.2513-6.10-5.69441
128-799B128-799B-20R-5,62-73631.830003020-4.6-4.5491-6.63-4.11387
128-799B128-799B-20R-5,62-73631.840003522-4.3-4.6493-5.86-5.54436
128-799B128-799B-20R-5,62-73631.850002215-4.3-4.5489-5.69-5.85447
128-799B128-799B-20R-6,127-134633.97000405-4.4-4.7498
128-799B128-799B-20R-6,127-134633.98000250-5.2-3.7462
128-799B128-799B-21R-2,56-59636.96000350-3.9-3.2446
128-799B128-799B-24R-1,99-101664.790350100-4.163.146
128-799B128-799B-27R-7,40-42701.90200070-5.60-9.73581
128-799B128-799B-30R-1,66-68722.060005100-14.990.57225
128-799B128-799B-31R-1,13-22730.930000100-13.98-2.10317
128-799B128-799B-31R-1,13-22730.940000100-13.74-2.00314
128-799B128-799B-31R-1,13-22730.950000100-13.80-2.30324
128-799B128-799B-32R-1,68-70741.170000100-15.94-5.08420
128-799B128-799B-34R-2,142-144762.720000100-11.86-4.66406
128-799B128-799B-35R-1,1-3769.51000080-13.10-2.33325
128-799B128-799B-36R-1,0-3779.200000100-10.85-5.48434
128-799B128-799B-36R-1,84-89780.04000150-7.4-2.8433
128-799B128-799B-39R-1,68-70808.78000120-1.80.6314
128-799B128-799B-45R-1,22-24866.02000080-5.36-7.36499
128-799B128-799B-48R-2,76-87896.86000070-7.45-8.26530
128-799B128-799B-48R-2,76-87896.87000065-7.53-8.15526
128-799B128-799B-48R-2,76-87896.88000090-8.22-7.91518
128-799B128-799B-48R-2,87-95896.97000080-11.90-2.87344
128-799B128-799B-48R-2,87-95896.98000070-12.48-2.10317
128-799B128-799B-48R-2,87-95896.99000085-12.83-1.50297
128-799B128-799B-48R-2,87-95897.01000090-9.19-6.34464
128-799B128-799B-52R-1,147-150934.370000100-4.19-5.37440
128-799B128-799B-52R-1,147-150934.58000048-14.95-3.90380
128-799B128-799B-52R-2,31-34934.75000090-15.16-2.90345
128-799B128-799B-52R-2,31-34934.82000060-15.04-0.75271
128-799B128-799B-54R-1,66-68952.86050010-14.68-0.73270
128-799B128-799B-54R-CC,3-8956.60000060-11.86-3.06351
128-799B128-799B-54R-CC,3-8956.61000030-15.18-4.92415
128-799B128-799B-62R-3,13-151032.630000100-4.89-7.07489
128-799B128-799B-63R-1,110-1181040.200000400.58-4.29393
128-799B128-799B-63R-1,110-1181040.22000065-2.66-5.61439
128-799B128-799B-64R-1,19-221048.991500070-8.93-7.95402-4.91-8.21528
128-799B128-799B-64R-1,19-221049.00500050-11.03-11.14512
128-799B128-799B-64R-1,112-1141049.92000065-4.92-7.52504