Arai, Shoji (1982): (Table 5) Chemical composition of chromian spinel and titanomagnetite at DSDP Hole 66-487 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.817807, In supplement to: Arai, S (1982): Petrology of basalts from Site 487, Deep Sea Drilling Project Leg 66, Middle America Trench area off Mexico. In: Watkins, JS; Casey Moore, J; et al. (eds.), Initial Reports of the Deep Sea Drilling Project (U.S. Govt. Printing Office), 66, 711-722, https://doi.org/10.2973/dsdp.proc.66.134.1982
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Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Latitude: 15.853500 * Longitude: -99.175300
Date/Time Start: 1979-03-24T00:00:00 * Date/Time End: 1979-03-24T00:00:00
Minimum Elevation: -4764.0 m * Maximum Elevation: -4764.0 m
Event(s):
66-487 * Latitude: 15.853500 * Longitude: -99.175300 * Date/Time: 1979-03-24T00:00:00 * Elevation: -4764.0 m * Penetration: 190.5 m * Recovery: 119.6 m * Location: North Pacific/TRENCH * Campaign: Leg66 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 20 cores; 180.5 m cored; 9.5 m drilled; 66.3 % recovery
Comment:
Empty cells mean no data. Fe2+ and Fe3+ are determined, assuming the spinel stoichiometry.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Sample code/label | Sample label | Arai, Shoji | DSDP/ODP/IODP sample designation | ||
| 2 | Sample ID | Sample ID | Arai, Shoji | |||
| 3 | Description | Description | Arai, Shoji | |||
| 4 | Silicon dioxide | SiO2 | % | Arai, Shoji | Electron microprobe (EMP) | |
| 5 | Titanium dioxide | TiO2 | % | Arai, Shoji | Electron microprobe (EMP) | |
| 6 | Aluminium oxide | Al2O3 | % | Arai, Shoji | Electron microprobe (EMP) | |
| 7 | Chromium(III) oxide | Cr2O3 | % | Arai, Shoji | Electron microprobe (EMP) | |
| 8 | Iron oxide, FeO | FeO | % | Arai, Shoji | Electron microprobe (EMP) | Total iron |
| 9 | Manganese oxide | MnO | % | Arai, Shoji | Electron microprobe (EMP) | |
| 10 | Magnesium oxide | MgO | % | Arai, Shoji | Electron microprobe (EMP) | |
| 11 | Calcium oxide | CaO | % | Arai, Shoji | Electron microprobe (EMP) | |
| 12 | Sodium oxide | Na2O | % | Arai, Shoji | Electron microprobe (EMP) | |
| 13 | Total | Total | % | Arai, Shoji | Electron microprobe (EMP) | |
| 14 | Magnesium number | Mg# | Arai, Shoji | Mg = Mg/Mg + Fe2+ atomic ratio | ||
| 15 | Chromium | Cr | % | Arai, Shoji | ||
| 16 | Aluminium | Al | % | Arai, Shoji | ||
| 17 | Iron 3+ | Fe3+ | % | Arai, Shoji | Spinel stoichiometry | |
| 18 | Chromium number | Cr# | Arai, Shoji | Cr = Cr/Cr + Al atomic ratio | ||
| 19 | Ulvöspinel | Usp | % | Arai, Shoji | CIPW Norm | Ulvospinel molecule (Mg, Fe2+) TiO4 |
| 20 | Spinel | Spl | % | Arai, Shoji | CIPW Norm | Spinel molecule (Mg, Fe2+) (Al, Cr)2O4 |
| 21 | Magnetite | Fe3O4 | % | Arai, Shoji | CIPW Norm | Magnetite molecule (Mg, Fe2+) Fe3+2 + O4 |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
118 data points
Data
| 1 Sample label | 2 Sample ID | 3 Description | 4 SiO2 [%] | 5 TiO2 [%] | 6 Al2O3 [%] | 7 Cr2O3 [%] | 8 FeO [%] | 9 MnO [%] | 10 MgO [%] | 11 CaO [%] | 12 Na2O [%] | 13 Total [%] | 14 Mg# | 15 Cr [%] | 16 Al [%] | 17 Fe3+ [%] | 18 Cr# | 19 Usp [%] | 20 Spl [%] | 21 Fe3O4 [%] |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 66-487-9-11 | 1 | Chromian spinel in plagioclase | 0.11 | 0.4 | 32.10 | 33.90 | 16.9 | 0.25 | 16.50 | 0.10 | 0.01 | 100.3 | 0.715 | 38.9 | 54.9 | 6.3 | 0.415 | |||
| 66-487-93-9 | 2 | Chromian spinel in plagioclase | 0.11 | 0.4 | 32.00 | 34.00 | 16.0 | 0.46 | 16.80 | 0.08 | 0.00 | 99.9 | 0.729 | 39.2 | 54.9 | 5.9 | 0.416 | |||
| 66-487-118-120 | 3 | Chromian spinel in groundmass | 0.07 | 0.4 | 32.50 | 34.60 | 16.3 | 0.48 | 16.80 | 0.06 | 0.00 | 101.2 | 0.719 | 39.3 | 55.1 | 5.5 | 0.416 | |||
| 66-487-93-95 | 4 | Titanomagnetite in groundmass | 0.21 | 13.2 | 3.20 | 0.04 | 75.2 | 0.31 | 1.92 | 0.14 | 0.00 | 94.2 | 39.0 | 7.3 | 53.7 | |||||
| 66-487-93-95 | 5 | Titanomagnetite in groundmass | 0.32 | 11.8 | 1.80 | 0.14 | 75.7 | 0.31 | 1.21 | 0.41 | 0.02 | 91.7 | 35.8 | 4.3 | 59.9 | |||||
| 66-487-118-120 | 6 | Titanomagnetite in groundmass | 0.19 | 11.8 | 1.26 | 0.05 | 79.1 | 0.31 | 1.12 | 0.13 | 0.02 | 94.0 | 34.4 | 2.9 | 62.7 | |||||
| 66-487-118-120 | 7 | Titanomagnetite in groundmass | 0.14 | 10.7 | 2.64 | 0.02 | 75.4 | 0.21 | 3.14 | 0.08 | 0.04 | 92.4 | 30.9 | 5.9 | 63.2 |