Bottom-up versus top-down solidification of the cores of small solar system bodies: Constraints on paradoxical cores

Earth and Planetary Science Letters

Volumn 284, Issue 3-4, 2009, Pages 564-569

  Williams, Quentin ^a  

^a UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

adiabats; Galilean satellites; planetary dynamos; thermal expansion

Indexed keywords

ADIABATS; CALLISTO; COMPOSITIONAL RANGE; GALILEAN SATELLITES; GAMMA-RAY ATTENUATION; GANYMEDE; HIGH-PRESSURE CONDITION; LIQUID IRON; PLANETARY DYNAMOS; PRESSURE CONDITIONS; SMALL BODIES; SULFUR CONTENTS; TOPDOWN;

ASTRONOMY; CRYSTALLIZATION; DC GENERATORS; ELECTROMAGNETIC WAVE ATTENUATION; GAMMA RAYS; IRON; LIQUID METALS; MERCURY (METAL); METALLIC GLASS; SOLAR EQUIPMENT; SOLAR SYSTEM; STEELMAKING; SULFUR; THERMAL STRESS;

THERMAL EXPANSION;

ADIABATIC PROCESS; BOTTOM-UP APPROACH; CALLISTO; CORE (PLANETARY); CRYSTALLIZATION; GANYMEDE; IRON; LIQUID; MERCURY (PLANET); PRESSURE EFFECT; STRATIFICATION; TOP-DOWN APPROACH;

EID: 67650550762     PISSN: 0012821X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.epsl.2009.05.019     Document Type: Article

References (49)

1. Anderson W.W., and Ahrens T.J. An equation of state for liquid iron and implications for the Earth's core. J. Geophys. Res. 99 (1994) 4273-4284
2. Arkani-Hamed J., Seyed-Mahmoud B., Aldridge K.D., and Baker R.E. Tidal excitation of elliptical instability in the Martian core: possible mechanism for generating the core dynamo. J. Geophys. Res. 113 (2008) E06003 10.1029/2007JE002982
3. Assael M.J., Kakosimos K., Banish R.M., Brillo J., Egry I., Brooks R., Questad P.N., Mills K.C., Nagashima A., Sato Y., and Wakeham W.A. Reference data for the density and viscosity of liquid aluminum and iron. J. Phys. Chem. Ref. Data 35 (2006) 285-300
4. Balog P.S., Secco R.A., Rubie D.C., and Frost D.J. Equation of state of liquid Fe-10 wt% S: implications for the metallic cores of planetary bodies. J. Geophys. Res. 108 (2003) 2124 10.1029/2001JB001646
5. Beutl M., Pottlacher G., and Jager H. Thermophysical properties of liquid iron. Int. J. Thermophys. 15 (1994) 1323-1331
6. Birch F. Thermal expansion at high pressures. J. Geophys. Res. 73 (1968) 817-819
7. Birch F. Finite strain isotherm and velocities for single-crystal and polycrystalline NaCl at high pressures and 300 K. J. Geophys. Res. 83 (1978) 1257-1268
8. Bland M.T., Showman A.P., and Tobie G. The production of Ganymede's magnetic field. Icarus 198 (2008) 384-399
9. Brett R., and Bell P.M. Melting relations in the Fe-rich portion of the system Fe-FeS at 30 kb pressure. Earth Planet. Sci. Lett. 6 (1969) 479-482
10. Breuer D., Hauck S.A., Buske M., Pauer M., and Spohn T. Interior evolution of Mercury. Space Sci. Rev. 132 (2007) 229-260
11. Brillo J., Egry I., and Matsushita T. Density and excess volumes of liquid copper, cobalt, iron and their binary and ternary alloys. Int. J. Mater. Res. 97 (2006) 1526-1532
12. Cammarano F., Lekic V., Manga M., Panning M., and Romanowicz B. Long-period seismology on Europa: 1. Physically consistent interior models. J. Geophys. Res. 111 (2006) E12009 10.1029/2006JE002710
13. Chabot N.L., and Haack H. Evolution of asteroidal cores. In: Lauretta D.S., and McSween H.Y. (Eds). Meteorites and the Early Solar System II (2006), U. of Arizona Press, Tucson 747-771
14. Chen B., Li J., and Hauck II S.A. Non-ideal liquidus curve in the Fe-S system and Mercury's snowing core. Geophys. Res. Lett. 35 (2008) L07201 10.1029/2008GL033311
15. Desai P.D. Thermodynamic properties of iron and silicon. J. Phys. Chem. Ref. Data 15 (1986) 967-983
16. Drotning W.D. Thermal expansion of iron, cobalt, nickel, and copper at temperatures up to 600 K above melting. High Temp. High Press. 13 (1981) 441-458
17. Duffy T.S., and Ahrens T.J. Thermal expansion of mantle and core materials at very high pressures. Geophys. Res. Lett. 20 (1993) 1103-1106
18. Haack H., and Scott E.R.D. Asteroid core crystallization by inward dendritic growth. J. Geophys. Res. 97 (1992) 14727-14734
19. Haack H., Rasmussen K.L., and Warren P.H. Effects of regolith/megaregolith insulation on the cooling history of differentiated asteroids. J. Geophys. Res. 95 (1990) 5111-5124
20. Hauck II S.A., Aurnou J.M., and Dombard A.J. Sulfur's impact on core evolution and magnetic field generation on Ganymede. J. Geophys. Res. 111 (2006) E09008 10.1029/2005JE002557
21. Higgins G.H., and Kennedy G.C. The adiabatic gradient and the melting point gradient in the core of the Earth. J. Geophys. Res. 76 (1971) 1870-1878
22. Hixson R.S., Winkler M.A., and Hodgdon M.L. Sound speed and thermophysical properties of liquid iron and nickel. Phys. Rev. B 42 (1990) 6485-6491
23. 2S and Fe-S-O systems-utilizing a bottom-balance Archimedean technique. Can. Metall. Quart. 18 (1979) 155-164
24. Kanda M., Hasegawa N., Itagaki K., and Yazawa A. Thermodynamic study of the liquid Fe-S system by use of a drop calorimeter. Thermochim. Acta 109 (1986) 275-284
25. Kennedy G.C., and Higgins G.H. A lunar core and the Moon's magnetic field. Moon 12 (1975) 401-406
26. Kirshenbaum A.D., and Cahill J.A. Density of liquid iron from melting point to 2500 K. Trans. Metall., Soc. AIME 224 (1962) 816-819
27. Kress V., Greene L.E., Ortiz M.D., and Mioduszewski L. Thermochemistry of sulfide liquids IV: density measurements and the thermodynamics of O-S-Fe-Ni-Cu liquids at low to moderate pressures. Contrib. Mineral. Petrol. 156 (2008) 785-797
28. Kurz W., and Lux B. Die schallgeschwindigkeit von eisen und eisenlegierungen im festen und flussiggen zustand. High Temp. High Press. 1 (1969) 387-399
29. Lucas L.D. Densite du fer, du nickel et du cobalt a l'etat liquid. C.R. Acad. Sci. 250 (1960) 1850-1852
30. Lucas L.D. Densite de metaux a haute temperature (dans les etats solide et liquide). Mem. Sci. Rev. Metall. 69 (1972) 479-492
31. Malkus W.V.R. Convection at the melting point: a thermal history of the Earth's core. Geophys. Fluid Dyn. 4 (1973) 267-278
32. Nagamori M. Density of molten Ag-S, Cu-S, Fe-S, and Ni-S systems. Trans. Metall. Soc. AIME 245 (1969) 1897-1902
33. Nasch P.M., and Manghnani M.H. Molar volume, thermal expansion, and bulk modulus in liquid Fe-Ni alloys at 1 bar: evidence for magnetic anomalies. In: Manghnani M.H., and Yagi T. (Eds). Properties of Earth and Planetary Materials at High Pressure and Temperature (1998), American Geophysical Union, Washington, D.C. 307-317
34. Nasch P.M., and Steinemann S.G. Density and thermal expansion of molten manganese, iron, nickel, copper, aluminum and tin by means of the gamma-ray attenuation technique. Phys. Chem. Liq. 29 (1995) 43-58
35. Nasch P.M., Manghnani M.H., and Secco R.A. Anomalous behavior of sound velocity and attenuation in liquid Fe-Ni-S. Science 277 (1997) 219-221
36. Riner M.A., Bina C.R., Robinson M.S., and Desch S.J. Internal structure of Mercury: implications of a molten core. J. Geophys. Res. 113 (2008) E08013 10.1029/2007JE002993
37. Saito T., Shiraishi Y., and Sakuma Y. Density measurements of molten metals by levitation technique at temperatures between 1800 °C and 2200 °C. Trans. Iron Steel Inst. Jpn. 9 (1969) 118-126
38. Sanloup C., Guyot F., Gillet P., Fiquet G., Mezouar M., and Martinez I. Density measurements of liquid Fe-S alloys at high-pressure. Geophys. Res. Lett. 27 (2000) 811-814
39. Scott H.P., Williams Q., and Ryerson F.J. Experimental constraints on the chemical evolution of large icy satellites. Earth Planet. Sci. Lett. 203 (2002) 399-412
40. Seifter A., Pottlacher G., Jager H., Groboth G., and Kaschnitz E. Measurements of thermophysical properties of solid and liquid Fe-Ni alloys. Ber. Bunsenges. Phys. Chem. 102 (1998) 1266-1271 1998
41. Singer H.A., and Olson P.L. Dynamo action in a stably stratified core. Geophys. J. 78 (1984) 371-387
42. Sohl F., Spohn T., Breuer D., and Nagel K. Implications from Galileo observations on the interior structure and chemistry of the Galilean satellites. Icarus 157 (2002) 104-119
43. Stegman D.R., Jellinek A.M., Zatman S.A., Baumgardner J.R., and Richards M.A. An early lunar core dynamo driven by thermochemical mantle convection. Nature 421 (2003) 143-146 2003
44. Stewart A.J., Schmidt M.W., van Westrenen W., and Liebske C. Mars: a new core-crystallization regime. Science 316 (2007) 1323-1325
45. Strong H.M., Tuft R.E., and Hanneman R.E. The iron fusion curve and γ-δ-l triple point. Metall. Trans. 4 (1973) 2657-2661
46. Vinet P., Ferrante J., Rose J.H., and Smith J.R. Compressibility of solids. J. Geophys. Res. 92 (1987) 9319-9325
47. von Frohberg M.G., and Weber R. Dichtemessungen an Eisen-Kobalt und Eisen-Kupfer Legierunge. Arch. Eisenhuttenw. 35 (1964) 877
48. Weiss B.P., Berdahl J.S., Elkins-Tanton L., Stanley S., Lima E.A., and Carporzen L. Magnetism on the angrite parent body and the early differentiation of planetesimals. Science 322 (2008) 713-716
49. Williams J.P., Aharonson O., and Nimmo F. Powering Mercury's dynamo. Geophys. Res. Lett. 34 (2007) L21202 10.1029/2007GL031164