Joron, Jean Louis; Bougault, Henri; Maury, R C; Bohn, Marcel; Desprairies, Alain (1984): (Table 5) Geochemistry of feldspar at DSDP Hole 81-555 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.807086, In supplement to: Joron, JL et al. (1984): Strongly depleted tholeiites from the Rockall Plateau Margin, North Atlantic: geochemistry and mineralogy. In: Roberts, DG; Schnittker, D; et al. (eds.), Initial Reports of the Deep Sea Drilling Project, Washington (U.S. Govt. Printing Office), 81, 783-794, https://doi.org/10.2973/dsdp.proc.81.131.1984
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Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Latitude: 56.561700 * Longitude: -20.782200
Date/Time Start: 1981-08-31T00:00:00 * Date/Time End: 1981-08-31T00:00:00
Minimum Elevation: -1659.0 m * Maximum Elevation: -1659.0 m
Event(s):
81-555 * Latitude: 56.561700 * Longitude: -20.782200 * Date/Time: 1981-08-31T00:00:00 * Elevation: -1659.0 m * Penetration: 964 m * Recovery: 505.5 m * Location: North Atlantic/PLATEAU * Campaign: Leg81 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 96 cores; 907 m cored; 9.5 m drilled; 55.7 % recovery
Comment:
Concentrations lower than 0.3% are not considered representative. Analyses 51-56 show core-to-rim compositional variations of a plagiolase phenocryst 250 ?m in diameter.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Sample code/label | Sample label | Joron, Jean Louis | DSDP/ODP/IODP sample designation | ||
| 2 | Position | Position | Joron, Jean Louis | |||
| 3 | Identification | ID | Joron, Jean Louis | |||
| 4 | Silicon dioxide | SiO2 | % | Joron, Jean Louis | Electron microprobe (EMP) | |
| 5 | Aluminium oxide | Al2O3 | % | Joron, Jean Louis | Electron microprobe (EMP) | |
| 6 | Iron oxide, Fe2O3 | Fe2O3 | % | Joron, Jean Louis | Electron microprobe (EMP) | Total iron |
| 7 | Magnesium oxide | MgO | % | Joron, Jean Louis | Electron microprobe (EMP) | |
| 8 | Calcium oxide | CaO | % | Joron, Jean Louis | Electron microprobe (EMP) | |
| 9 | Sodium oxide | Na2O | % | Joron, Jean Louis | Electron microprobe (EMP) | |
| 10 | Potassium oxide | K2O | % | Joron, Jean Louis | Electron microprobe (EMP) | |
| 11 | Total | Total | % | Joron, Jean Louis | Electron microprobe (EMP) | |
| 12 | Sodium | Na | % | Joron, Jean Louis | ||
| 13 | Potassium | K | % | Joron, Jean Louis | ||
| 14 | Calcium | Ca | % | Joron, Jean Louis |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
136 data points
Data
| 1 Sample label | 2 Position | 3 ID | 4 SiO2 [%] | 5 Al2O3 [%] | 6 Fe2O3 [%] | 7 MgO [%] | 8 CaO [%] | 9 Na2O [%] | 10 K2O [%] | 11 Total [%] | 12 Na [%] | 13 K [%] | 14 Ca [%] |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 81-555-90-3,54-57 | Core of a phenocryst | 51 | 50.95 | 30.90 | 0.78 | 0.12 | 13.94 | 3.72 | 0.06 | 100.47 | 32.5 | 0.3 | 67.2 |
| 81-555-90-3,54-57 | 52 | 54.58 | 28.39 | 0.77 | 0.10 | 11.41 | 5.03 | 0.06 | 100.34 | 44.2 | 0.3 | 55.6 | |
| 81-555-90-3,54-57 | 53 | 54.73 | 28.10 | 0.88 | 0.11 | 10.92 | 5.29 | 0.02 | 100.05 | 46.7 | 0.1 | 53.2 | |
| 81-555-90-3,54-57 | 54 | 56.03 | 27.26 | 0.97 | 0.05 | 9.86 | 5.67 | 0.01 | 99.85 | 51.0 | 0.0 | 49.0 | |
| 81-555-90-3,54-57 | 55 | 58.41 | 26.10 | 0.76 | 0.07 | 8.72 | 6.43 | 0.07 | 100.56 | 56.9 | 0.4 | 42.7 | |
| 81-555-90-3,54-57 | Rim of a phenocryst | 56 | 59.72 | 25.49 | 0.82 | 0.03 | 7.21 | 7.26 | 0.09 | 100.62 | 64.2 | 0.5 | 35.3 |
| 81-555-90-3,54-57 | Groundmass crystal | 57 | 51.17 | 30.12 | 1.38 | 0.10 | 13.31 | 3.88 | 0.03 | 99.99 | 34.5 | 0.2 | 65.3 |
| 81-555-90-3,54-57 | Groundmass crystal | 58 | 54.36 | 28.10 | 1.10 | 0.06 | 11.03 | 5.06 | 0.02 | 99.73 | 45.3 | 0.1 | 54.6 |
| 81-555-90-3,54-57 | Groundmass crystal | 59 | 56.11 | 27.09 | 1.17 | 0.18 | 9.69 | 5.58 | 0.09 | 99.91 | 50.7 | 0.6 | 48.7 |
| 81-555-90-3,54-57 | Groundmass crystal | 60 | 65.92 | 20.50 | 0.55 | 0.00 | 1.55 | 9.43 | 1.97 | 99.92 | 81.4 | 11.2 | 7.4 |