Geochemistry of silicate and oxide inclusions in sublithospheric diamonds
Minerals included in diamonds provide direct information about the petrologic and chemical
environment of diamond crystallization. They record information relating to local and …
environment of diamond crystallization. They record information relating to local and …
Sublithospheric Diamonds: Plate Tectonics from Earth's Deepest Mantle Samples
Sublithospheric diamonds and the inclusions they may carry crystallize in the
asthenosphere, transition zone, or uppermost lower mantle (from 300 to∼ 800 km), and are …
asthenosphere, transition zone, or uppermost lower mantle (from 300 to∼ 800 km), and are …
[BOOK][B] Raman spectra of minerals
NV Chukanov, MF Vigasina, NV Chukanov… - 2020 - Springer
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Revision of the CaCO3–MgCO3 phase diagram at 3 and 6 GPa
Subsolidus and melting relationships for the system CaCO3–MgCO3 have been
reexamined using a Kawai-type multi-anvil apparatus at 3 and 6 GPa in graphite capsules …
reexamined using a Kawai-type multi-anvil apparatus at 3 and 6 GPa in graphite capsules …
New High-Pressure and High-Temperature CaCO3 Polymorph
In this work, we report an experimental observation of a new CaCO3 calcite-Vb phase,
which occurs as the intermediate between aragonite and calcite-V at pressures> 3.5 GPa …
which occurs as the intermediate between aragonite and calcite-V at pressures> 3.5 GPa …
Carbonatite metasomatism of peridotite lithospheric mantle: implications for diamond formation and carbonatite-kimberlite magmatism
NP Pokhilenko, AM Agashev, KD Litasov… - Russian Geology and …, 2015 - Elsevier
Mineral inclusions in diamond record its origin at different depths, down to the lower mantle.
However, most diamonds entrained with erupting kimberlite magma originate in lithospheric …
However, most diamonds entrained with erupting kimberlite magma originate in lithospheric …
Melting phase relations of the Udachnaya-East Group-I kimberlite at 3.0–6.5 GPa: Experimental evidence for alkali-carbonatite composition of primary kimberlite melts …
Experiments on the origin of the Udachnaya-East kimberlite (UEK) have been performed
using a Kawai-type multianvil apparatus at 3–6.5 GPa and 900–1500° C. The studied …
using a Kawai-type multianvil apparatus at 3–6.5 GPa and 900–1500° C. The studied …
High-pressure transformations of CaC 2 O 5–a full structural trend from double [CO 3] triangles through the isolated group of [CO 4] tetrahedra to framework and …
Over the past few years, the concept of carbonates, as the salts of MCO3 or composition with
[CO3] triangles in the crystal structures, was sufficiently extended. In addition to carbonates …
[CO3] triangles in the crystal structures, was sufficiently extended. In addition to carbonates …
Calcium orthocarbonate, Ca2CO4-Pnma: A potential host for subducting carbon in the transition zone and lower mantle
A novel structure of calcium orthocarbonate Ca 2 CO 4-Pnma has been discovered using ab-
initio crystal structure prediction methods (AIRSS and USPEX) based on the density …
initio crystal structure prediction methods (AIRSS and USPEX) based on the density …
PVT equation of state of CaCO3 aragonite to 29 GPa and 1673 K: In situ X-ray diffraction study
Pressure–volume–temperature relations have been measured to 29 GPa and 1673 K for
CaCO 3 aragonite using synchrotron X-ray diffraction with a multianvil apparatus at the …
CaCO 3 aragonite using synchrotron X-ray diffraction with a multianvil apparatus at the …