[HTML][HTML] From mantle to critical zone: A review of large and giant sized deposits of the rare earth elements

MP Smith, K Moore, D Kavecsánszki, AA Finch… - Geoscience …, 2016‏ - Elsevier
The rare earth elements are unusual when defining giant-sized ore deposits, as resources
are often quoted as total rare earth oxide, but the importance of a deposit may be related to …

Miocene tearing of Himalayan lithospheric mantle: Evidence from mantle-derived silicocarbonatites from the Cona rift

G Hu, L Zeng, LE Gao, H Chen - Chemical Geology, 2022‏ - Elsevier
The extensive production of Miocene high-to ultrahigh-K basaltic rocks and high-Sr/Y
granites across southern Tibet might be related to mantle geodynamics, but there is a lack of …

A model for the activity of silica along the carbonatite–kimberlite–mellilitite–basanite melt compositional joint

M Massuyeau, E Gardés, Y Morizet, F Gaillard - Chemical Geology, 2015‏ - Elsevier
Carbon dioxide and water, being present in the Earth's mantle at concentration levels of tens
to hundreds of ppm, greatly lower the peridotite solidus temperature and drastically modify …

Geology of the Kamthai rare earth deposit

SK Bhushan - Journal of the Geological Society of India, 2015‏ - Springer
A wide spectrum of calciocarbonatites and associated alkaline rocks are exposed around
Kamthai, Rajasthan. The mineralogical studies exhibit a bimodal distribution of REE …

The system Na2CO3–CaCO3 at 3 GPa

IV Podborodnikov, A Shatskiy, AV Arefiev… - Physics and Chemistry …, 2018‏ - Springer
It was suggested that alkali–alkaline earth carbonates may have a substantial role in
petrological processes relevant to metasomatism and melting of the Earth's mantle. Because …

Different types of liquid immiscibility in carbonatite magmas: A case study of the Oldoinyo Lengai 1993 lava and melt inclusions

NJ Potter, VS Kamenetsky, A Simonetti, K Goemann - Chemical Geology, 2017‏ - Elsevier
Oldoinyo Lengai is situated within the Gregory Rift Valley (northern Tanzania) and is the
only active volcano erupting natrocarbonatite lava. This study investigates the texture and …

Crystal-liquid segregation in silicocarbonatite magma leads to the formation of calcite carbonatite

KR Moore, AE Brady, A Costanzo - Journal of Petrology, 2022‏ - academic.oup.com
A suite of silicocarbonatite and lamprophyre rocks from SW Ireland, with mantle affinity and
primitive composition, are used as a proxy for parental carbonated silicate magmas to model …

Phase diagrams of carbonate materials at high pressures, with implications for melting and carbon cycling in the deep earth

K Litasov, A Shatskiy, I Podborodnikov… - Carbon in Earth's …, 2020‏ - Wiley Online Library
In this chapter, we review phase diagrams of alkali and alkaline earth carbonates at high
pressures, particularly simple, binary, and ternary systems, which were recently constrained …

The system Na2CO3–MgCO3 at 3 GPa

IV Podborodnikov, A Shatskiy, AV Arefiev… - High Pressure …, 2018‏ - Taylor & Francis
It was suggested that Na–Mg carbonates might play a substantial role in mantle
metasomatic processes through lowering melting temperatures of mantle peridotites. Taking …

Extreme radium deficit in the 1957 AD Mugogo lava (Virunga volcanic field, Africa): Its bearing on olivine-melilitite genesis

M Condomines, M Carpentier… - … to Mineralogy and …, 2015‏ - Springer
We report here U-series and trace element data for an olivine-melilitite lava flow, erupted in
1957 in the Virunga volcanic field and known as the Mugogo eruption. Petrological and …