Melting in the mantle in the presence of carbon: Review of experiments and discussion on the origin of carbonatites

T Hammouda, S Keshav - Chemical Geology, 2015 - Elsevier
Carbon emission at volcanic centers requires a constant balance between output (mostly by
volcanism, either at plate boundaries or intraplate) and input (mostly at trench settings) of …

Structure, genesis and resources efficiency of dolomite: New insights and remaining enigmas

WK Cai, JH Liu, CH Zhou, J Keeling, UA Glasmacher - Chemical Geology, 2021 - Elsevier
Dolomite can form as a major mineral component of marlstones and limestones and is an
important sink for magnesium in the marine environment. Dolomite is widely distributed in …

The deep carbon cycle and melting in Earth's interior

R Dasgupta, MM Hirschmann - Earth and Planetary Science Letters, 2010 - Elsevier
Carbon geochemistry of mantle-derived samples suggests that the fluxes and reservoir sizes
associated with deep cycle are in the order of 1012–13gC/yr and 1022–23g C, respectively …

Devolatilization during subduction

M Schmidt, S Poli - Treatise on geochemistry: vol. 4: the crust, 2013 - air.unimi.it
Subducted crust refertilizes the subarc mantle wedge as well as the deep convecting mantle.
In the subarc region, mass transfer occurs mainly through fluids, melts, or supercritical …

The melting of carbonated pelites from 70 to 700 km depth

D Grassi, MW Schmidt - Journal of Petrology, 2011 - academic.oup.com
Phase assemblages, melting relations and melt compositions of a dry carbonated pelite
(DG2) and a carbonated pelite with 1· 1 wt% H2O (AM) have been experimentally …

Melting of carbonated pelites at 2.5–5.0 GPa, silicate–carbonatite liquid immiscibility, and potassium–carbon metasomatism of the mantle

TB Thomsen, MW Schmidt - Earth and Planetary Science Letters, 2008 - Elsevier
Melting experiments on a Fe-rich carbonate-saturated pelite were performed at 850–1300°
C and 2.5–5.0 GPa to define melting relations, melt compositions, and the conditions under …

Nanometre-sized mineral and fluid inclusions in cloudy Siberian diamonds: new insights on diamond formation

AM Logvinova, R Wirth… - European Journal …, 2008 - pubs.geoscienceworld.org
Nanometre-sized isolated inclusions have been studied in four cloudy octahedral diamonds
from the Internatsionalnaya and one from the Yubileynaya mines (Yakutia). Transmission …

The transport of carbon and hydrogen in subducted oceanic crust: An experimental study to 5 GPa

S Poli, E Franzolin, P Fumagalli, A Crottini - Earth and Planetary Science …, 2009 - Elsevier
Carbon and hydrogen residence time in the Earth's interior is controlled by complex phase
equilibria attained in the subduction zone environment. Carbonic fluid/melts are highly …

Melting and phase relations of carbonated eclogite at 9–21 GPa and the petrogenesis of alkali-rich melts in the deep mantle

ES Kiseeva, KD Litasov, GM Yaxley, E Ohtani… - Journal of …, 2013 - academic.oup.com
The melting and phase relations of carbonated MORB eclogite have been investigated
using the multi-anvil technique at 9–21 GPa and 1100–1900° C. The starting compositions …

Effect of variable carbonate concentration on the solidus of mantle peridotite

R Dasgupta, MM Hirschmann - American Mineralogist, 2007 - pubs.geoscienceworld.org
To explore the effect of variable CO2 concentrations on the solidus of natural carbonated
peridotite, we determined near-solidus phase relations of three different nominally …