 | Yang, Jijin, Goldstein, Joseph I., Michael, Joseph R., Kotula, Paul G., Scott, Edward R.D. (2010) Thermal history and origin of the IVB iron meteorites and their parent body. Geochimica et Cosmochimica Acta, 74 (15) 4493-4506 doi:10.1016/j.gca.2010.04.011 | Journal (article/letter/editorial) | | com/locate/gca Thermal history and origin of the IVB iron meteorites and their parent body Jijin Yang a...have determined metallographic cooling rates of 9 IVB irons by measuring Ni gradients 3 lm or less in length...°C vary from 475 K/Myr at the low-Ni end of group IVB to 5000 K/Myr at the high-Ni end. Sizes of high-Ni...correlated with the bulk Ni concentrations of the IVB irons confirming the correlation between cooling rate...silicate mantle should have uniform cooling rates, the IVB core must have cooled through 500 °C without a silicate |
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