Natland, James H; Adamson, Andrew C; Laverne, Christine; Melson, William G; O'Hearn, Timothy (1983): (Table 9) Geochemistry of Cr-spinels at DSDP Holes 70-504B and 68-501 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.817008, In supplement to: Natland, JH et al. (1983): A compositionally nearly steady-state magma chamber at the Costa Rica Rift: Evidence from basalt glass and mineral data, Deep Sea Drilling Project Sites 501, 504, and 505. In: Cann, JR; Langseth, MG; Honnorez, J; Von Herzen, RP; White, SM; et al. (eds.), Initial Reports of the Deep Sea Drilling Project (U.S. Govt. Printing Office), 69, 811-858, https://doi.org/10.2973/dsdp.proc.69.154.1983
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Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Median Latitude: 1.227100 * Median Longitude: -83.732150 * South-bound Latitude: 1.227000 * West-bound Longitude: -83.734300 * North-bound Latitude: 1.227200 * East-bound Longitude: -83.730000
Date/Time Start: 1979-07-08T00:00:00 * Date/Time End: 1979-12-04T00:00:00
Minimum Elevation: -3460.0 m * Maximum Elevation: -3457.0 m
Event(s):
68-501 * Latitude: 1.227200 * Longitude: -83.734300 * Date/Time: 1979-07-08T00:00:00 * Elevation: -3457.0 m * Penetration: 337.1 m * Recovery: 70.5 m * Location: North Pacific/FLANK * Campaign: Leg68 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 19 cores; 137.7 m cored; 0.5 m drilled; 51.2 % recovery
70-504B * Latitude: 1.227000 * Longitude: -83.730000 * Date/Time: 1979-12-04T00:00:00 * Elevation: -3460.0 m * Penetration: 836.1 m * Recovery: 91.6 m * Campaign: Leg70 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 40 cores; 328.6 m cored; 18.5 m drilled; 27.9 % recovery
Comment:
Structural formulae computed from stoichiometry on the basis of 32 oxygens.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | Sample code/label | Sample label | Natland, James H | DSDP/ODP/IODP sample designation | ||
| 3 | Group | Group | Natland, James H | see reference(s) | Glass group | |
| 4 | Identification | ID | Natland, James H | |||
| 5 | Silicon dioxide | SiO2 | % | Natland, James H | Electron microprobe (EMP) | |
| 6 | Titanium dioxide | TiO2 | % | Natland, James H | Electron microprobe (EMP) | |
| 7 | Aluminium oxide | Al2O3 | % | Natland, James H | Electron microprobe (EMP) | |
| 8 | Iron oxide, Fe2O3 | Fe2O3 | % | Natland, James H | Calculated | Computed from stoichiometry |
| 9 | Iron oxide, FeO | FeO | % | Natland, James H | Electron microprobe (EMP) | Total iron |
| 10 | Manganese oxide | MnO | % | Natland, James H | Electron microprobe (EMP) | |
| 11 | Magnesium oxide | MgO | % | Natland, James H | Electron microprobe (EMP) | |
| 12 | Nickel oxide | NiO | % | Natland, James H | Electron microprobe (EMP) | |
| 13 | Chromium(III) oxide | Cr2O3 | % | Natland, James H | Electron microprobe (EMP) | |
| 14 | Total | Total | % | Natland, James H | Electron microprobe (EMP) | |
| 15 | Silicon | Si | # of ions | Natland, James H | Calculated based on oxygen number | |
| 16 | Aluminium | Al | # of ions | Natland, James H | Calculated based on oxygen number | |
| 17 | Chromium | Cr | # of ions | Natland, James H | Calculated based on oxygen number | |
| 18 | Iron 3+ | Fe3+ | # of ions | Natland, James H | Calculated based on oxygen number | |
| 19 | Titanium | Ti | # of ions | Natland, James H | Calculated based on oxygen number | |
| 20 | Magnesium | Mg | # of ions | Natland, James H | Calculated based on oxygen number | |
| 21 | Iron 2+ | Fe2+ | # of ions | Natland, James H | Calculated based on oxygen number | |
| 22 | Manganese | Mn | # of ions | Natland, James H | Calculated based on oxygen number | |
| 23 | Nickel | Ni | # of ions | Natland, James H | Calculated based on oxygen number | |
| 24 | Chromium number | Cr# | Natland, James H | |||
| 25 | Magnesium number | Mg# | Natland, James H | Mg/Mg + Fe2+ | ||
| 26 | Type | Type | Natland, James H | Crystal Type - Numbers identify individual mineral grains |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
425 data points