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