Results 41 to 50 of about 296 (107)

Perturbation of the deep-Earth carbon cycle in response to the Cambrian Explosion. [PDF]

open access: yesSci Adv, 2022
Giuliani A   +9 more
europepmc   +1 more source

Remnants of early Earth differentiation in the deepest mantle-derived lavas. [PDF]

open access: yesProc Natl Acad Sci U S A, 2021
Giuliani A   +3 more
europepmc   +1 more source

Аlkaline magmatism of the Chuktukon massif, Chadobets upland (Russia): sources, evolution of the magmas and their relation to the triassic Siberian lip

open access: yes, 2020
The petrogenesis of temporal and spatially associated carbonatitic and deeply derived carbonated alkaline silicate magmas provides an opportunity to gain insights into the nature of the deepest lithospheric mantle.
Чеботарев, Дмитрий Александрович   +4 more
core  

Caractérisation de deux intrusions kimberlitiques au Témiscamingue, Notre-Dame-du-Nord 1 et Belleterre (BT 44) et de deux dykes ultramafiques des monts Torngat. Études pétrographique, minéralogique, géochimique et potentiel diamantifère

open access: yes, 2018
Quatre intrusions, deux cheminées (NDN1 et BT44) situées au Témiscamingue et deux dykes (Torngat 1 et Torngat 2) provenant des Monts Torngat, ont été caractérisées par des études minéralogiques et géochimiques.
Marchand, Pascal
core  

Petrology of potassic alkaline ultramafic and carbonatitic rocks from Planalto da Serra (Mato Grosso State), Brazil

open access: yesOpen Geosciences, 2014
Comin-Chiaramonti Piero   +7 more
doaj   +1 more source

Millennia of magmatism recorded in crustal xenoliths from Southwest Greenland

open access: yes, 2016
Eruption of aillikite and kimberlite magmas involves rapid ascent of mantle-derived magmas loaded with mantle xenoliths and xenocrysts (>30 vol%).
Nielsen, Troels   +2 more
core   +1 more source

Melt compositions and processes in the kimberlite provience of southern West Greenland

open access: yes, 2011
The kimberlite province of southern West Greenland (600- 560Ma) comprises kimberlite sensu stricto on the Archean craton and aillikites on the paleoproterzoic sheild to the North.
Nielsen, Troels   +2 more
core   +1 more source

Millennia of magmatism recorded in garnet and rutile in crustal xenoliths, West-Greenland Alkaline Province.

open access: yes, 2016
Mantle-derived CO2-rich magmas ascend rapidly to the Earth’s (sub-)surface, supporting upward transport of large loads of xenoliths and xenocrysts.
Nielsen, Troels F. D.   +2 more
core   +1 more source

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