Wu, Jiawang; Liu, Zhifei; Yu, Xun (2022): Description of investigated samples in IODP Hole 368-U1502B (Table S1) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.946145, In: Wu, J et al. (2022): Geochemistry of IODP Hole U1502B at the South China Sea rifted margin [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.946146
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Published: 2022-07-08 • DOI registered: 2022-08-30
Keyword(s):
Related to:
Wu, Jiawang; Liu, Zhifei; Yu, Xun (2021): Plagioclase-regulated hydrothermal alteration of basaltic rocks with implications for the South China Sea rifting. Chemical Geology, 585, 120569, https://doi.org/10.1016/j.chemgeo.2021.120569
Funding:
Shanghai Association for Science and Technology (SAST), grant/award no. 20590780200: Shanghai Science and Technology Innovation Action Plan
Coverage:
Latitude: 18.464663 * Longitude: 116.230682
Date/Time Start: 2017-04-29T19:30:00 * Date/Time End: 2017-05-13T20:50:00
Minimum DEPTH, sediment/rock: 733.75 m * Maximum DEPTH, sediment/rock: 917.41 m
Event(s):
368-U1502B * Latitude: 18.464663 * Longitude: 116.230682 * Date/Time Start: 2017-04-29T19:30:00 * Date/Time End: 2017-05-13T20:50:00 * Elevation: -3763.6 m * Campaign: Exp368 * Basis: Joides Resolution * Method/Device: Core drilling (CDRILL) * Comment: Drill in casing to 723.7 mbsf
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Sample code/label | Sample label | Wu, Jiawang | |||
| 2 | DEPTH, sediment/rock | Depth sed | m | Wu, Jiawang | Geocode – mbsf | |
| 3 | Sample type | Samp type | Wu, Jiawang | |||
| 4 | Alteration | Alteration | Wu, Jiawang | |||
| 5 | Lithology/composition/facies | Lithology | Wu, Jiawang | |||
| 6 | Phenocrysts | PhX | Wu, Jiawang | |||
| 7 | Morphology | Morphology | Wu, Jiawang | |||
| 8 | Groundmass | Groundmass | Wu, Jiawang | |||
| 9 | Veining | Veining | Wu, Jiawang |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
368 data points
Data
| 1 Sample label | 2 Depth sed [m] | 3 Samp type | 4 Alteration | 5 Lithology | 6 PhX | 7 Morphology | 8 Groundmass | 9 Veining |
|---|---|---|---|---|---|---|---|---|
| 03R1W4-10 | 733.75 | breccia | breccia | lithified, overlain by dolomite | ||||
| 04R2W47-51 | 740.70 | basaltic breccia | moderate-strong | basaltic breccia | common (10%) plagioclase | brecciated basalt flow | plagioclase, alteration minerals, sulfides, Fe-hydroxides, | 10% veins filled with dark green to gray minerals |
| 05R1W106-110 | 749.38 | brecciated basalt | moderate-strong | brecciated basalt | rare (3%) plagioclase | brecciated basalt flow | plagioclase, alteration minerals, sulfides, Fe-hydroxides | 1% veins filled with dark green, gray, reddish brown, and colorless minerals |
| 06R1W5-10 | 757.98 | basaltic breccia | moderate-strong | basaltic breccia | altered | tectonic breccia? | altered, sulfides | |
| 06R1W23-29 | 758.16 | basaltic breccia | strong | basaltic breccia | altered | tectonic breccia? | altered, sulfides | |
| 06R2W0-3 | 759.44 | basaltic breccia | strong | basaltic breccia | altered | tectonic breccia? | altered, sulfides | |
| 08R3W12-16 | 779.95 | brecciated basalt | moderate-strong | moderately phyric basalt | common (10%) plagioclase | brecciated lava flow | plagioclase, alteration minerals, sulfides, Fe-hydroxides | 5% veins filled with dark green, gray, white and colorless minerals with sulfides |
| 09R1W46-50 | 787.18 | basaltic breccia | moderate-strong | basaltic breccia | rare (2%) plagioclase | brecciated lava flow | plagioclase, alteration minerals, sulfides, Fe-hydroxides | dark green, gray, white and colorless minerals |
| 09R2W49-52 | 788.52 | brecciated basalt | strong | brecciated basalt | rare (3%) plagioclase | brecciated lava flow | plagioclase, alteration minerals, sulfides, Fe-hydroxides | dark green, gray, white and colorless minerals |
| 11R1W24-28 | 796.57 | brecciated basalt | strong | sparsely plagioclase phyric basalt | rare (3%) plagioclase | brecciated pillow lava flow | plagioclase, alteration minerals, sulfides, Fe-hydroxides | |
| 11R1W43-48 | 796.76 | brecciated basalt | strong | sparsely plagioclase phyric basalt | rare (3%) plagioclase | brecciated pillow lava flow | plagioclase, alteration minerals, sulfides, Fe-hydroxides | |
| 11R1W114-119 | 797.46 | brecciated basalt | strong | sparsely plagioclase phyric basalt | rare (3%) plagioclase | brecciated pillow lava flow | plagioclase, alteration minerals, sulfides, Fe-hydroxides | |
| 13R1W44-48 | 806.35 | brecciated basalt | strong | brecciated basalt | lobate lava flow | fine-grained, highly altered | ||
| 13R1W53-57 | 806.45 | brecciated basalt | strong | brecciated basalt | lobate lava flow | fine-grained, highly altered | epidote, chlorite, Fe-oxides, sulfides, and other secondary minerals | |
| 13R4W32-36 | 810.46 | basalt, highly altered | strong | sparsely plagioclase phyric basalt | rare (3%) plagioclase | lava flow | fine-grained, highly altered | epidote, chlorite, Fe-oxides, sulfides, and other secondary minerals |
| 15R2W68-72 | 817.70 | basalt, relatively fresh | weak-moderate | highly plagioclase phyric basalt | abundant (30%) plagioclase | fractured lava flow | plagioclase, alteration minerals, sulfides | chlorite, epidote, gray sheet silicates, calcite, silica, sulfides, oxides |
| 15R3W38-42 | 818.82 | basalt, highly altered | moderate-strong | sparsely plagioclase phyric pillow basalt | rare (3%) plagioclase | fractured pillow lava flow | plagioclase, alteration minerals, sulfides | chlorite, epidote, gray sheet silicates, calcite, silica, sulfides, oxides |
| 15R3W85-92 | 819.30 | basalt, fully altered | extremely strong | brecciated basalt pillows | rare (1%) plagioclase | fractured pillow lava flow | plagioclase, alteration minerals, sulfides | chlorite, epidote, gray sheet silicates, calcite, silica, sulfides |
| 16R2W76-80 | 822.15 | basaltic breccia | strong | basaltic breccia | fractured lava flow | plagioclase, alteration minerals, sulfides | ||
| 16R2W96-101 | 822.35 | basaltic breccia | strong | basaltic breccia | fractured lava flow | plagioclase, alteration minerals, sulfides | chlorite, epidote, gray sheet silicates, calcite, silica, sulfides | |
| 16R3W4-7 | 822.90 | basalt, highly altered | strong | moderately phyric pillow basalt | rare (7%) plagioclase | fractured pillow lava flow | plagioclase, alteration minerals, sulfides | |
| 16R3W36-40 | 823.21 | basalt, highly altered | strong | moderately plagioclase phyric pillow basalt | rare (7%) plagioclase | lava flow | plagioclase, alteration minerals, sulfides | chlorite, epidote, gray sheet silicates, calcite, silica, sulfides |
| 17R1W13-20 | 825.25 | basalt, relatively fresh | weak-moderate | sparsely plagioclase phyric basalt | plagioclase, with pyroxene | pillow lava flow | pervasively altered | chlorite, quartz, sulfide, calcite |
| 18R3W35-40 | 832.64 | basalt, highly altered | moderate-strong | sparsely plagioclase phyric basalt | rare (3%) plagioclase | fractured, altered pillow lava flow | pervasively altered, plagioclase, alteration minerals, sulfides | chlorite, epidote, gray sheet silicates, calcite, silica, sulfides |
| 19R3W80-85 | 838.02 | basalt, highly altered | strong | sparsely plagioclase phyric basalt | common (10%) plagioclase | fractured, altered pillow lava flow | hydrothermally altered by green and white alteration sheet-silicates and sulfides | silica, secondary green and gray sheet silicates, epidote, chlorite, sulfides |
| 21R1W94-101 | 845.18 | basalt, highly altered | moderate-strong | sparsely plagioclase phyric basalt | pillow lava flow | pervasively altered | epidote, chlorite, traces of carbonate, silica, sulfides, serpentine? | |
| 21R2W100-106 | 846.43 | basalt, highly altered | moderate-strong | sparsely plagioclase phyric basalt | rare (5%) plagioclase | pillow lava flow | pervasively altered | epidote, chlorite, traces of carbonate, silica, sulfides, serpentine |
| 23R1W4-9 | 850.42 | basalt, highly altered | moderate-strong | sparsely plagioclase phyric basalt | rare (5%) plagioclase | fractured, altered lava flow | pervasively altered, plagioclase, alteration minerals | |
| 23R1W95-100 | 851.33 | basalt, relatively fresh | weak-moderate | sparsely plagioclase phyric basalt | rare (3%) plagioclase | fractured, altered lava flow | pervasively altered, plagioclase, alteration minerals | epidote, secondary green and gray sheet silicates, chlorite/serpentine, dolomite, silica, sulfides |
| 24R3W46-52 | 856.98 | basalt, highly altered | strong | moderately plagioclase phyric basalt | common (15%) plagioclase | lava flow | pervasively altered, plagioclase, alteration minerals | epidote, sulfides (pyrite, chalcopyrite), silica, dolomite, secondary green and gray sheet silicates, chlorite/serpentine? |
| 25R1W12-16 | 858.54 | basalt, relatively fresh | weak-moderate | moderately plagioclase phyric basalt | common (15%) plagioclase | lava flow | pervasively altered, plagioclase, alteration minerals | epidote, sulfides, silica, dolomite, calcite, secondary green and gray sheet silicates, chlorite/serpentine |
| 25R2W93-98 | 860.75 | basalt, relatively fresh | weak-moderate | sparsely plagioclase phyric basalt | rare (7%) plagioclase | lava flow | pervasively altered | epidote, sulfides, silica, dolomite, calcite, secondary green and gray sheet silicates, chlorite/serpentine |
| 25R3W46-49 | 861.63 | basalt, relatively fresh | weak-moderate | highly plagioclase phyric basalt | abundant (20%) plagioclase | fractured, altered lava flow | pervasively altered | epidote, sulfides, silica, calcite, dolomite, secondary green and gray sheet silicates, chlorite/serpentine |
| 26R2W0-4 | 864.68 | basalt, highly altered | moderate-strong | moderately plagioclase phyric basalt | abundant (10%) plagioclase | fractured, altered lava flow | pervasively altered | epidote, sulfides, silica, carbonate, chlorite, clay minerals, zeolite |
| 27R2W130-134 | 870.73 | basalt, highly altered | moderate-strong | sparsely plagioclase phyric basalt | pillow lava | pervasively altered | epidote, carbonate, sulfides, silica, chlorite, clay minerals, zeolite | |
| 27R3W48-53 | 871.31 | basalt, fully altered | extremely strong | sparsely plagioclase phyric basalt | brecciated | pervasively altered | epidote, carbonate, sulfides, silica, chlorite, clay minerals, zeolite | |
| 27R4W71-76 | 872.06 | basalt, relatively fresh | weak-moderate | sparsely plagioclase phyric basalt | lava | pervasively altered | epidote, carbonate, sulfides, silica, chlorite, clay minerals, zeolite | |
| 28R1W74-78 | 873.76 | basalt, relatively fresh | weak-moderate | sparsely plagioclase phyric basalt | lava | pervasively altered | epidote, carbonate, sulfides, silica, chlorite, clay minerals, zeolite | |
| 29R2W2-5 | 878.97 | basalt, fully altered | extremely strong | sparsely plagioclase phyric basalt | brecciated pillow lava | pervasively altered | ||
| 29R2W47-50 | 879.42 | basalt, highly altered | moderate-strong | sparsely plagioclase phyric basalt | lava | pervasively altered | epidote, carbonate, sulfides, silica, chlorite, clay minerals, zeolite | |
| 31R2W97-100 | 888.91 | basalt, highly altered | strong | sparsely plagioclase phyric basalt | rare (8%) plagioclase | fractured, altered pillow lava flow | pervasively altered, plagioclase, alteration minerals | |
| 31R3W59-63 | 889.96 | basalt, highly altered | strong | sparsely plagioclase phyric basalt | rare (7%) plagioclase | fractured, altered pillow lava flow | pervasively altered, plagioclase, alteration minerals | silica, epidote, sulfides, dolomite, calcite, secondary green and gray sheet silicates, chlorite/serpentine |
| 33R1W47-53 | 896.60 | basalt, highly altered | moderate-strong | moderately plagioclase phyric basalt | abundant (20%) plagioclase | pillow lava | pervasively altered | epidote, sulfides, silica, carbonate, chlorite, clay minerals |
| 33R2W22-27 | 897.73 | basalt, highly altered | moderate-strong | highly plagioclase phyric basalt | abundant (25%) plagioclase | lava | pervasively altered | veins with epidote, sulfides, silica, carbonate, chlorite, clay minerals |
| 35R2W59-63 | 907.68 | basalt, highly altered | moderate-strong | sparsely plagioclase phyric basalt | pillow lava | pervasively altered | epidote, sulfides, silica, carbonate, chlorite, clay minerals | |
| 35R3W51-57 | 909.13 | basalt, relatively fresh | weak-moderate | sparsely plagioclase phyric basalt | lava | pervasively altered | veins with silica, carbonate and minor epidote, sulfides, chlorite, clay minerals | |
| 36R2W14-18 | 912.77 | brecciated basalt | moderate-strong | sparsely plagioclase phyric basalt | brecciated | pervasively altered | ||
| 36R3W45-48 | 914.50 | basalt, relatively fresh | weak-moderate | aphyric basalt | lava | pervasively altered | silica, carbonate with minor epidote, clay minerals | |
| 37R1W25-30 | 916.08 | basalt, relatively fresh | weak-moderate | sparsely plagioclase phyric basalt | rare (3%) plagioclase | fractured, altered lava flow | moderately altered, plagioclase, alteration minerals | calcite, epidote, sulfides, secondary green and gray sheet silicates |
| 37R2W30-35 | 917.41 | basalt, relatively fresh | weak-moderate | aphyric basalt | fractured, altered lava flow | moderately altered, plagioclase, alteration minerals | calcite, epidote, sulfides, secondary green and gray sheet silicates | |
| a Compiled from the visual assessment and microscopic inspection in this study and the IODP Proceedings of Site U1502 (Larsen et al., 2018b). |