Group IVA irons: New constraints on the crystallization and cooling history of an asteroidal core with a complex history
Mccoy, T. J., Walker, R. J., Goldstein, J. I., , Kotula, P. G.(2011). Group IVA irons: New constraints on the crystallization and cooling history of an asteroidal core with a complex history. Geochimica et Cosmochimica Acta, 75(22), 6821-6843. https://doi.org/10.1016/j.gca.2011.09.006
Datasets
| number | title | Methods | variables analyzed | ||
|---|---|---|---|---|---|
| 1 | Oxygen isotope analyses of phosphate in EET 83230 by ultraviolet laser fluorination | UV-LF | DELTA_O18, DELTA_O17, CAP_DELTA_O17 | ||
| 2 | Osmium isotopic and HSE + Ni composition data for IVA irons. Samples are listed in order of descending Re concentration. Nickel concentrations are in wt.%, HSE are in ng/g. Δ187Os – per mil deviation from isochrons | MC-ICP-MS, NTIMS, LA-ICPMS | Ir, CAP_DELTA_Os, Ru, Re, Os, Pt, Ni, Re187_Os188, Os187_Os188, Pd | ||
| 4 | Mean compositions of IVA irons determined by laser ablation ICP-MS analysis | LA-ICPMS | Ga, Ge, Pd, W, As, Mn, Rh, Ir, Os, Cu, V, Ni, Au, Co, Mo, Fe, Ru, Re, Pt | ||
| EA 3 | Laser ablation ICP-MS data for taenite and kamacite. Concentrations are in μg/g. | LA-ICPMS | Ni, Pd, As, Mo, Ga, Os, Au, Rh, W, Cu, Pt, Ir, Ru, Re, Ge | ||
| MB-C | MetBase 2911 Compilation | Unknown, ICPMS | Os, Re, Pt, Pd, Ni, Ir, Ru, Mn, Ga, W, Rh, Ge, Cu, Fe, V, As, Au, Mo, Co | ||
Methods
| method name | laboratory | method comment | More details are available for the following variables | |
|---|---|---|---|---|
| INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY | UNKNOWN | N/A | ||
| LASER ABLATION INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY | UNKNOWN | Thermo-Finnigan Element 2 coupled to a laser ablation system with a photon wavelength of 213 nm (UP213, New Wave Research). | ||
| MULTICOLLECTOR INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY | UNKNOWN | Nu Plasma with Cetac Aridus™ desolvating nebulizer, All analyses were accomplished using static, multiple Faraday bucket collection | ||
| NEGATIVE THERMAL IONIZATION MASS SPECTROMETRY | UNKNOWN | N/A | ||
| in situ ultraviolet laser fluorination | UNKNOWN | N/A | ||
| UNKNOWN | UNKNOWN | TIMS (Os), MC-ICP-MS |
