Search Results - "Farnetani, Cinzia G."

Dynamics and internal structure of the Hawaiian plume by Farnetani, Cinzia G., Hofmann, Albrecht W.

“…A thorough understanding of the internal structure of the Hawaiian plume conduit requires to link geochemical observations of surface lavas to fluid dynamic…”
Get full text

Spin state transition and partitioning of iron: Effects on mantle dynamics by Vilella, Kenny, Shim, Sang-Heon, Farnetani, Cinzia G., Badro, James

“…Experimental studies at pressure and temperature conditions of the Earth's lower mantle have shown that iron in ferropericlase (Fp) and in Mg-silicate…”
Get full text

Displaced helium and carbon in the Hawaiian plume by Hofmann, Albrecht W., Farnetani, Cinzia G., Spiegelman, Marc, Class, Cornelia

“…High relative abundances of primordial 3He are commonly found in ocean island basalts (OIB) thought to be derived from mantle plumes, and high 3He/ 4He ratios…”
Get full text

How double volcanic chains sample geochemical anomalies from the lowermost mantle by Farnetani, Cinzia G., Hofmann, Albrecht W., Class, Cornelia

“…The distinct isotopic compositions of basalts from the two parallel tracks of Hawaiian volcanoes suggest a bilateral zonation of the underlying mantle plume,…”
Get full text

Dynamics and internal structure of a lower mantle plume conduit by Farnetani, Cinzia G., Hofmann, Albrecht W.

“…Geochemical studies, including those made possible by the Hawaiian Scientific Drilling Project, have revealed the chemically and isotopically heterogeneous…”
Get full text

The Earth’s mantle in a microwave oven: thermal convection driven by a heterogeneous distribution of heat sources by Fourel, Loïc, Limare, Angela, Jaupart, Claude, Surducan, Emanoil, Farnetani, Cinzia G., Kaminski, Edouard C., Neamtu, Camelia, Surducan, Vasile

“…Convective motions in silicate planets are largely driven by internal heat sources and secular cooling. The exact amount and distribution of heat sources in…”
Get full text

Thermochemical convection and helium concentrations in mantle plumes by Samuel, Henri, Farnetani, Cinzia G.

“…Compositionally heterogeneous material may exist in the lowermost mantle [van der Hilst and Kárason, Science 283 (1999) 1885–1888]. Here we use a numerical…”
Get full text

Dynamics of rheological heterogeneities in mantle plumes by Farnetani, Cinzia G., Hofmann, Albrecht W., Duvernay, Thomas, Limare, Angela

“…•We model the flow of a rheological, more viscous, heterogeneity in a mantle plume.•Stretching of the heterogeneity depends on the viscosity ratio and on the…”
Get full text

Beyond the thermal plume paradigm by Farnetani, C. G., Samuel, H.

“…Geodynamic models of thermo‐chemical plumes rising in a mantle wind suggest that we should abandon some paradigms based on the dynamics of purely thermal…”
Get full text

Earth’s mantle composition revealed by mantle plumes by Weis, Dominique, Harpp, Karen S., Harrison, Lauren N., Boyet, Maud, Chauvel, Catherine, Farnetani, Cinzia G., Finlayson, Valerie A., Lee, Kanani K. M., Parai, Rita, Shahar, Anat, Williamson, Nicole M. B.

“…Earth's mantle is integral to many processes that shape our planet, including convection, crustal formation, crustal recycling, and global heat and volatile…”
Get full text

Mixing and deformations in mantle plumes by Farnetani, Cinzia G., Legras, Bernard, Tackley, Paul J.

“…The long standing idea that the source of oceanic island basalts includes ancient subducted material is strengthened by recent geochemical observations for…”
Get full text

Lagrangian structures and stirring in the Earth’s mantle by Farnetani, Cinzia G., Samuel, Henri

“…In this paper we investigate three Lagrangian methods that have been recently proposed to quantify mixing in chaotic and time-aperiodic geophysical flows. The…”
Get full text

Petrological models of magma evolution and deep crustal structure beneath hotspots and flood basalt provinces by Farnetani, Cinzia G., Richards, Mark A., Ghiorso, Mark S.

“…Seismic experiments imaging the deep crustal structure beneath hotspot tracks and oceanic plateaus indicate unusually high seismic velocities ( V P = 7.3–7.8…”
Get full text

Thermal entrainment and melting in mantle plumes by Farnetani, Dinzia G., Richards, Mark A.

“…Thermal plumes from the core-mantle boundary (CMB) are thought to cause volcanic hotspots, and starting plumes, or plume ‘heds’, are thought to cause…”
Get full text

Erratum to “Thermal entrainment and melting in mantle plumes” [Earth Planet. Sci. Lett. 136 (1995) 251–267] by Farnetani, Cinzia G., Richards, Mark A.

Get full text